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Pipeline run

569c1636-90a6-4de5-b4b9-2253c0e4e242

Pipeline LLM cost (USD)
API 1: $0.0115 API 2: $0.0002 API 3: $0.0000 Total: $0.0117

Client output enrichment

v2 Skill cluster · Nature of work · AI index · Tech stack maturity · Evidence · KRA description
role baseline loaded sources · ai_index: jd · nature_of_work: jd · tech_stack_maturity: jd
Nature of work · Data access and persistence
Build and maintain Ruby on Rails web apps end to end, including UI work, integrating components, writing testable code, and optimizing MySQL queries while contributing fixes/features to Rails/jQuery and the cloud platform.
"Dealt with database performance issues and query optimization in MySQL."
Tech stack maturity
Mainstream Legacy
The stack centers on Ruby on Rails, MySQL, SQL, and jQuery, which are mature and widely used but generally indicate established rather than cloud-native or bleeding-edge technology.
AI index (0 = no AI use, 5 = totally AI-dependent · v2.1)
0.00 / 5
· Title match
· Has AI skill
· AI skill (primary)
· AI skill (secondary)
· On AI team
· Builds AI products
vocab breakdown (legacy)
Assistants (×1):
Frameworks (×2):
Models / concepts (×3):
Evidence — skills matched in JD (15)
Ruby on Rails Ruby MySQL Rails jQuery JavaScript SQL ORM Test-Driven Development AngularJS Ember.js React Backbone.js Knockout.js Sinatra
Skill cluster (7 dimension groups, role-scoped)
Angular Component Model and Templates
AngularJS
Programming Languages
JavaScript
React Component Architecture
React
Relational Database Design
MySQL
Web Application Frameworks
Ruby on Rails
Web UI & Integration Frameworks
jQuery
Cross-cutting / unaligned
Ruby Rails SQL ORM Test-Driven Development Ember.js Backbone.js Knockout.js Sinatra
Show KRA description ↓
Hands on experience in programming language ROR(ruby on rails) Contribute to the architecture and evolution of the Cloud platform. Find creative and elegant solutions to complex problems. Dealt with database performance issues and query optimization in MySQL. Contributed fixes/features to Rails, jQuery. Written and/or maintain a Rails plugin. Execute full life-cycle software/website development Write well designed, testable, efficient code Produce specifications and determine operational feasibility Integrate software components into a fully functional software system Quick Learner and street-smart person who can grasp things faster Proven 1-2 yr work experience in as a computer software engineer or software developer or web developer Ability to develop website in Ruby on Rails, JavaScript, JS Frameworks Excellent knowledge of Relational Databases, SQL and ORM technologies Experience in developing web applications using at least one popular web framework (Rails, Sinatra) Experience with test-driven development Ability to document requirements and specifications Familiarity with website development methodology and release processes UI experience needed. Experience on any of the front end technology Angularjs/ Emberjs/ React/ Backbonejs / knockoutjs

Signals

Skill full-stack-engineer
0.33
Alias frontend-engineer
1.00
KRA full-stack-engineer
0.54

Post-classification

Centroidupdated · n=1286
Alias collision log
New-role queue
New skills captured5
New KRA captured

Captured for admin review

Rails primary Backend Developer pending
Ember.js Backend Developer pending
Backbone.js Backend Developer pending
ORM primary Backend Developer pending
Test-Driven Development primary Backend Developer pending
Status: completed Created: 2026-05-27T16:06:51.924912Z Updated: 2026-05-27T16:08:59.533884Z API 3 duration: 76437 ms
Flow Current 3-step pipeline

1 POST /skills/extract-from-jd

2 POST /skills/extract-details

3 POST /skills/final-role-output

Role Chosen role & resolution

Backend Developer

Ruby Backend Developer

sub-role · 0.99 domain · Software Engineering CASE DOMAIN

slug: backend-engineer · id: 1 · source: db · sub-role slug: ruby-backend-developer

Domain=Software Engineering → sub-role ruby-backend-developer; The JD centers on Ruby on Rails, backend web application development, database/SQL optimization, and full software lifecycle work, which best matches a backend Ruby on Rails developer.

Matched skills

Ruby on RailsRORMySQLRailsjQueryJavaScriptSQLORM technologiesRails pluginSinatratest-driven developmentAngularjsEmberjsReactBackbonejs

Matched dimensions

Cloud platform architectureBackend web application developmentDatabase performance tuningFull lifecycle software developmentTest-driven developmentRequirements and specifications documentationSoftware system integrationUI-facing web development

Matched KRAs

Contribute to the architecture and evolution of the Cloud platformDealt with database performance issues and query optimizationExecute full life-cycle software/website developmentWrite well designed, testable, efficient codeProduce specifications and determine operational feasibilityIntegrate software components into a fully functional software systemWritten and/or maintain a Rails plugin

Resolution: in_db — role exists in library; skill↔dim and role↔dim links saved when applicable.

0
New skills
0
Skill↔dim saved
0
Role↔dim saved
1
Skipped

Job description

Be part of a dynamic start-up environment to deliver best solutions. The position is with fast growing team of engineers, designers, and product analysts in an agile development environment. We are looking for enthusiastic, experienced software engineers that can work on delivering high quality platform solutions. Job Description  Hands on experience in programming language ROR(ruby on rails)  Contribute to the architecture and evolution of the Cloud platform.  Find creative and elegant solutions to complex problems.  Dealt with database performance issues and query optimization in MySQL.  Contributed fixes/features to Rails, jQuery.  Written and/or maintain a Rails plugin.  Execute full life-cycle software/website development  Write well designed, testable, efficient code  Produce specifications and determine operational feasibility  Integrate software components into a fully functional software system Requirements -  Quick Learner and street-smart person who can grasp things faster  Proven 1-2 yr work experience in as a computer software engineer or software developer or web developer  Ability to develop website in Ruby on Rails, JavaScript, JS Frameworks  Excellent knowledge of Relational Databases, SQL and ORM technologies  Experience in developing web applications using at least one popular web framework (Rails, Sinatra)  Experience with test-driven development  Ability to document requirements and specifications  Familiarity with website development methodology and release processes  UI experience needed.  Experience on any of the front end technology  Angularjs/ Emberjs/ React/ Backbonejs / knockoutjs Qualifications B.tech / M.tech / MS in Computer Science or equivalent (ref:hirist.com)

Skills from this JD

Each row merges API 1 extraction, API 2 library match / v3 orchestration (dimensions + locked dims), and API 3 persistence tags.

Ruby on Rails Primary Library skill API 3: existing canonical (in_db) Existing skill (matched library)
Canonical: Ruby on Rails id=10 · ruby-on-rails

Aliases — catalog

  • Ruby on Rails (CANONICAL) primary
  • Rails 5 (VERSION)
  • Rails 5.x (VERSION)
  • Rails 6 (VERSION)
  • Rails 6.x (VERSION)
  • Rails 7 (VERSION)
  • Rails 7.x (VERSION)
  • Ruby on Rails 5 (VERSION)
  • Ruby on Rails 5.x (VERSION)
  • Ruby on Rails 6 (VERSION)
  • Ruby on Rails 6.x (VERSION)
  • Ruby on Rails 7 (VERSION)
  • Ruby on Rails 7.x (VERSION)

Context tags (catalog)

ActionCable ActionController ActionView ActiveRecord Bundler Capistrano Capybara Devise Gemfile Heroku Hotwire MVC Migrations PostgreSQL Puma Pundit RESTful RESTful routes RSpec Rails API Sidekiq Stimulus Turbo Webpacker

Stored enrichment (catalog DB)

Category
Framework
Sub-category
Web Framework
Vendor
David Heinemeier Hansson
License
mit
Year introduced
2005
Confidence
0.99
Version strategy
NOT_APPLICABLE

Maturity reasoning: Ruby on Rails remains widely listed in job descriptions and powers many production web apps; GitHub activity and hiring demand are steady, though below newer stacks like React/Node.

Skill profile (library / DB)

Skill nature
FRAMEWORK
Volatility
STABLE
Typical lifespan
EVERGREEN
Category id
5
Sub-category id
35
Extractable
True
Also category
False

Dimensions (API 2 worklist)

  • Ruby Web Frameworks Catalog dimension db id 416

    Library dimension (catalog)

    Roles linked in library: Ruby Backend Developer

  • Web Application Frameworks Catalog dimension db id 2

    Library dimension (catalog)

    Roles linked in library: Backend Developer, Fullstack Developer, Fullstack Developer, Java Backend Developer, Node.js Backend Developer, PHP Backend Developer, Python Backend Developer

API 3 link attempts (this skill)

Dimension Skill↔dim Role↔dim Outcome
Ruby Web Frameworks
ruby-web-frameworks
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
Web Application Frameworks
web-application-frameworks
Existing dimension (library) · Role↔dimension saved
Ruby Primary Library skill API 3: existing canonical (in_db) Existing skill (matched library)
Canonical: Ruby id=300 · ruby

Aliases — catalog

  • Ruby (CANONICAL) primary
  • CRuby (VERSION)
  • MRI (VERSION)
  • Ruby 2 (VERSION)
  • Ruby 2.6 (VERSION)
  • Ruby 2.7 (VERSION)
  • Ruby 2.x (VERSION)
  • Ruby 3 (VERSION)
  • Ruby 3.2 (VERSION)
  • Ruby 3.3 (VERSION)
  • Ruby 3.x (VERSION)
  • ruby 3 (VERSION)
  • ruby 3.3 (VERSION)
  • ruby 3.x (VERSION)
  • ruby3 (VERSION)
  • ruby3.3 (VERSION)
  • ruby3.x (VERSION)

Context tags (catalog)

API ActiveJob ActiveRecord Bundler Capistrano Capybara ERB Gem Gemfile JRuby MVC Minitest Puma RSpec Rails Rake Rubocop Sidekiq Sinatra YAML

Stored enrichment (catalog DB)

Category
Language
Sub-category
Programming Language
Vendor
Ruby Association
License
mit
Year introduced
1995
Confidence
0.99
Version strategy
SEPARATE_ENTITY
Version tag
3.3

Maturity reasoning: Ruby remains common in job postings, especially for Rails backends and legacy web stacks; it’s still a standard hiring-pipeline language rather than a niche or sunset tech.

Skill profile (library / DB)

Skill nature
LANGUAGE
Volatility
STABLE
Typical lifespan
EVERGREEN
Category id
6
Sub-category id
96
Extractable
True
Also category
False

Dimensions (API 2 worklist)

  • Programming Languages and Scripting Catalog dimension db id 59

    Library dimension (catalog)

    Roles linked in library: Cyber Security Engineer

  • Ruby Language and Syntax Catalog dimension db id 415

    Library dimension (catalog)

    Roles linked in library: Ruby Backend Developer

API 3 link attempts (this skill)

Dimension Skill↔dim Role↔dim Outcome
Programming Languages and Scripting
programming-languages-and-scripting
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
Ruby Language and Syntax
ruby-language-and-syntax
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
MySQL Primary Library skill API 3: existing canonical (in_db) Existing skill (matched library)
Canonical: MySQL id=17 · mysql

Aliases — catalog

  • MySQL (CANONICAL) primary

Context tags (catalog)

ACID ACID compliance Backup Data Warehousing Database Design ER Diagrams EXPLAIN Indexes InnoDB JOIN Joins MyISAM Normalization PHPMyAdmin Query Optimization Replication SQL SQL queries Stored Procedures Transactions Triggers backup backup and restore backup strategies data modeling data normalization database design database normalization database schema foreign keys indexes indexing joins master-slave normalization performance tuning query optimization read replicas replication schema design schema management sharding stored procedures transaction isolation transaction management transactions triggers

Stored enrichment (catalog DB)

Category
Datastore
Sub-category
Relational Database
Vendor
Oracle Corporation
License
gpl_v2
Year introduced
1995
Confidence
0.99
Version strategy
NOT_APPLICABLE

Maturity reasoning: MySQL appears in a large share of backend/DB job descriptions and remains a standard managed offering across AWS RDS, Cloud SQL, and Azure Database, indicating broad hiring-pipeline demand.

Skill profile (library / DB)

Skill nature
TOOL
Volatility
STABLE
Typical lifespan
EVERGREEN
Category id
3
Sub-category id
29
Extractable
True
Also category
False

Dimensions (API 2 worklist)

  • Relational Data Modeling Catalog dimension db id 216

    Library dimension (catalog)

    Roles linked in library: Fullstack Developer, Fullstack Developer, PHP Backend Developer

  • Relational Database Design Catalog dimension db id 4

    Library dimension (catalog)

    Roles linked in library: .NET Backend Developer, Backend Developer, Kotlin Backend Developer, Node.js Backend Developer, Python Backend Developer, Ruby Backend Developer, Scala Backend Developer

  • Relational Database Usage Catalog dimension db id 371

    Library dimension (catalog)

    Roles linked in library: Go Backend Developer

API 3 link attempts (this skill)

Dimension Skill↔dim Role↔dim Outcome
Relational Data Modeling
relational-data-modeling
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
Relational Database Design
relational-database-design
Existing dimension (library) · Role↔dimension saved
Relational Database Usage
relational-database-usage
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
Rails Primary New / orchestrated API 3: new canonical path (new) New / unmatched skill (orchestrated in API 2)

Skill enrichment (orchestrator / LLM)

No Stage 7 enrichment blob on this skill (orchestrator skipped enrichment).

Derived legacy fields
Category
Web Frameworks
Sub-category
general
Skill nature
TOOL
Volatility
MEDIUM
Typical lifespan
MULTI_YEAR
Version strategy
UNVERSIONED
jQuery Primary Library skill API 3: existing canonical (in_db) Existing skill (matched library)
Canonical: jQuery id=1968 · jquery

Aliases — catalog

  • jQuery (CANONICAL) primary

Context tags (catalog)

$.ajax() $.getJSON() AJAX DOM manipulation JSON JSON parsing UI components animations callback functions chaining cross-browser deferred deferred objects deferreds event handling jQuery Mobile jQuery UI lightweight minification mobile support mobile-first plugins responsive design selecting elements selectors

Stored enrichment (catalog DB)

Category
Library
Sub-category
Javascript Library
Vendor
jQuery Foundation
License
mit
Year introduced
2006
Confidence
0.97
Version strategy
NOT_APPLICABLE

Maturity reasoning: jQuery still appears in legacy JDs, but modern frontend stacks have largely replaced it with React/Vue/Angular and native DOM APIs; greenfield demand is low and declining.

Skill profile (library / DB)

Skill nature
LIBRARY
Volatility
DEPRECATED
Typical lifespan
EVERGREEN
Category id
7
Sub-category id
1470
Extractable
True
Also category
False

Dimensions (API 2 worklist)

  • Application Frameworks & Libraries Catalog dimension db id 451

    Library dimension (catalog)

    Roles linked in library: Sitecore Dev

  • Frameworks & Libraries Catalog dimension db id 360

    Library dimension (catalog)

    Roles linked in library: Drupal Dev, Engineering Manager

  • JavaScript Checkout Behavior Catalog dimension db id 393

    Library dimension (catalog)

    Roles linked in library: Magento Dev

  • Storefront JavaScript and DOM Behavior Catalog dimension db id 422

    Library dimension (catalog)

    Roles linked in library: Shopify Dev

  • Web UI & Integration Frameworks Catalog dimension db id 268

    Library dimension (catalog)

    Roles linked in library: Pega Developer

API 3 link attempts (this skill)

Dimension Skill↔dim Role↔dim Outcome
Application Frameworks & Libraries
application-frameworks-libraries
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
Frameworks & Libraries
frameworks-libraries
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
JavaScript Checkout Behavior
javascript-checkout-behavior
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
Storefront JavaScript and DOM Behavior
storefront-javascript-and-dom-behavior
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
Web UI & Integration Frameworks
web-ui-integration-frameworks
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
JavaScript Primary Library skill API 3: existing canonical (in_db) Existing skill (matched library)
Canonical: JavaScript id=607 · javascript

Aliases — catalog

  • JavaScript (CANONICAL) primary
  • ES2015 (VERSION)
  • ES2016 (VERSION)
  • ES2017 (VERSION)
  • ES2018 (VERSION)
  • ES2019 (VERSION)
  • ES2020 (VERSION)
  • ES2021 (VERSION)
  • ES2022 (VERSION)
  • ES2023 (VERSION)
  • ES2024 (VERSION)
  • ES5 (VERSION)
  • ES6 (VERSION)
  • JavaScript ES2015 (VERSION)
  • JavaScript ES2020 (VERSION)
  • JavaScript ES6 (VERSION)
  • modern JavaScript (VERSION)

Context tags (catalog)

AJAX Angular Babel DOM DOM manipulation ES6 Express JSON Node.js REST RESTful React TypeScript Vue Vue.js Webpack async/await asynchronous callback callback functions closure event-driven jQuery npm promises

Stored enrichment (catalog DB)

Category
Language
Sub-category
Programming Language
Vendor
Mozilla
License
mpl
Year introduced
1995
Confidence
0.99
Version strategy
NOT_APPLICABLE

Maturity reasoning: JavaScript appears in a very high volume of job postings across frontend, backend, and full-stack roles, and remains a core language in major ecosystems like Node.js and React.

Skill profile (library / DB)

Skill nature
LANGUAGE
Volatility
STABLE
Typical lifespan
EVERGREEN
Category id
6
Sub-category id
96
Extractable
True
Also category
False

Dimensions (API 2 worklist)

  • Cross-Platform App Languages Catalog dimension db id 167

    Library dimension (catalog)

    Roles linked in library: Hybrid Mobile Developer

  • JavaScript and TypeScript Catalog dimension db id 114

    Library dimension (catalog)

    Roles linked in library: Angular Frontend Developer, Frontend Developer, Ionic Developer, Node.js Backend Developer, React Frontend Developer, React Native Developer, Svelte Frontend Developer, Vue Frontend Developer, Web Developer

  • JavaScript for WordPress Catalog dimension db id 329

    Library dimension (catalog)

    Roles linked in library: WordPress Dev

  • Pega Programming Languages & DSLs Catalog dimension db id 267

    Library dimension (catalog)

    Roles linked in library: Pega Developer

  • Programming Languages Catalog dimension db id 1

    Library dimension (catalog)

    Roles linked in library: Backend Developer, Fullstack Developer, Fullstack Developer

  • Programming Languages & DSLs Catalog dimension db id 475

    Library dimension (catalog)

    Roles linked in library: Engineering Manager

  • Programming Languages & Template Languages Catalog dimension db id 359

    Library dimension (catalog)

    Roles linked in library: Drupal Dev

  • Sitecore Development Languages Catalog dimension db id 438

    Library dimension (catalog)

    Roles linked in library: Sitecore Dev

  • Storefront JavaScript and DOM Behavior Catalog dimension db id 422

    Library dimension (catalog)

    Roles linked in library: Shopify Dev

API 3 link attempts (this skill)

Dimension Skill↔dim Role↔dim Outcome
Cross-Platform App Languages
cross-platform-app-languages
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
JavaScript and TypeScript
javascript-and-typescript
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
JavaScript for WordPress
javascript-for-wordpress
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
Pega Programming Languages & DSLs
pega-programming-languages-dsls
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
Programming Languages
programming-languages
Existing dimension (library) · Role↔dimension saved
Programming Languages & DSLs
programming-languages-dsls
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
Programming Languages & Template Languages
programming-languages-template-languages
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
Sitecore Development Languages
sitecore-development-languages
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
Storefront JavaScript and DOM Behavior
storefront-javascript-and-dom-behavior
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
AngularJS Secondary Library skill API 3: existing canonical (in_db) Existing skill (matched library)
Canonical: Angular id=612 · angular

Aliases — catalog

  • Angular (CANONICAL) primary
  • Angular 1 (VERSION)
  • Angular 1.x (VERSION)
  • Angular 10 (VERSION)
  • Angular 11 (VERSION)
  • Angular 12 (VERSION)
  • Angular 13 (VERSION)
  • Angular 14 (VERSION)
  • Angular 15 (VERSION)
  • Angular 16 (VERSION)
  • Angular 17 (VERSION)
  • Angular 2 (VERSION)
  • Angular 2+ (VERSION)
  • Angular 4 (VERSION)
  • Angular 5 (VERSION)
  • Angular 6 (VERSION)
  • Angular 7 (VERSION)
  • Angular 8 (VERSION)
  • Angular 9 (VERSION)
  • AngularJS (VERSION)
  • angular 1 (VERSION)
  • angular 1.x (VERSION)
  • angular 10 (VERSION)
  • angular 11 (VERSION)
  • angular 12 (VERSION)
  • angular 13 (VERSION)
  • angular 14 (VERSION)
  • angular 15 (VERSION)
  • angular 16 (VERSION)
  • angular 17 (VERSION)
  • angular 18 (VERSION)
  • angular 19 (VERSION)
  • angular 2 (VERSION)
  • angular 2+ (VERSION)
  • angular 2.x (VERSION)
  • angular 3 (VERSION)
  • angular 4 (VERSION)
  • angular 5 (VERSION)
  • angular 6 (VERSION)
  • angular 7 (VERSION)
  • angular 8 (VERSION)
  • angular 9 (VERSION)
  • angular17 (VERSION)
  • angular2 (VERSION)
  • angularjs (VERSION)
  • angularjs 1.x (VERSION)
  • ng (VERSION)
  • ng1 (VERSION)
  • ng2 (VERSION)

Context tags (catalog)

AOT Angular CLI Angular Material Component Dependency Injection Directive NgRx Observable Observables PWA RESTful services Reactive Forms Routing RxJS Service Single Page Application TypeScript Unit Testing component-based components dependency injection directives lazy loading modules observables pipes responsive design routing services single-page application single-page applications templates two-way data binding unit testing

Stored enrichment (catalog DB)

Category
Framework
Sub-category
Frontend Framework
Vendor
Google
License
mit
Year introduced
2010
Confidence
0.98
Version strategy
SEPARATE_ENTITY
Version tag
2+

Maturity reasoning: Angular remains widely listed in frontend job descriptions and enterprise stacks; Google continues maintaining Angular, and it is a common hiring-pipeline skill alongside React/Vue rather than a sunset technology.

Skill profile (library / DB)

Skill nature
FRAMEWORK
Volatility
STABLE
Typical lifespan
EVERGREEN
Category id
5
Sub-category id
1072
Extractable
True
Also category
False

Dimensions (API 2 worklist)

  • Angular Component Model and Templates Catalog dimension db id 303

    Library dimension (catalog)

    Roles linked in library: Angular Frontend Developer

  • Application Frameworks & Libraries Catalog dimension db id 451

    Library dimension (catalog)

    Roles linked in library: Sitecore Dev

  • Frameworks & Libraries Catalog dimension db id 360

    Library dimension (catalog)

    Roles linked in library: Drupal Dev, Engineering Manager

  • UI Frameworks and Rendering Catalog dimension db id 115

    Library dimension (catalog)

    Roles linked in library: Frontend Developer, Fullstack Developer, Fullstack Developer, Hybrid Mobile Developer, Ionic Developer, Web Developer

API 3 link attempts (this skill)

Dimension Skill↔dim Role↔dim Outcome
Angular Component Model and Templates
angular-component-model-and-templates
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
Application Frameworks & Libraries
application-frameworks-libraries
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
Frameworks & Libraries
frameworks-libraries
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
UI Frameworks and Rendering
ui-frameworks-and-rendering
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
Ember.js Secondary New / orchestrated API 3: new canonical path (new) New / unmatched skill (orchestrated in API 2)

Skill enrichment (orchestrator / LLM)

No Stage 7 enrichment blob on this skill (orchestrator skipped enrichment).

Derived legacy fields
Category
Web Frameworks
Sub-category
general
Skill nature
TOOL
Volatility
MEDIUM
Typical lifespan
MULTI_YEAR
Version strategy
UNVERSIONED
React Secondary Library skill API 3: existing canonical (in_db) Existing skill (matched library)
Canonical: React id=610 · react

Aliases — catalog

  • React (CANONICAL) primary
  • React 0.13 (VERSION)
  • React 0.14 (VERSION)
  • React 15 (VERSION)
  • React 15.x (VERSION)
  • React 16 (VERSION)
  • React 16.x (VERSION)
  • React 17 (VERSION)
  • React 17.x (VERSION)
  • React 18 (VERSION)
  • React 18.x (VERSION)
  • React 19 (VERSION)
  • React v15 (VERSION)
  • React v16 (VERSION)
  • React v17 (VERSION)
  • React v18 (VERSION)
  • React v19 (VERSION)
  • ReactJS 18 (VERSION)
  • react 15 (VERSION)
  • react 16 (VERSION)
  • react 17 (VERSION)
  • react 18 (VERSION)
  • react 19 (VERSION)
  • react15 (VERSION)
  • react16 (VERSION)
  • react17 (VERSION)
  • react18 (VERSION)
  • react19 (VERSION)
  • reactjs 18 (VERSION)

Context tags (catalog)

Babel Class Components Component Lifecycle Context API Functional Components Higher-Order Components Hooks JSX Next.js PropTypes Props React Native React Router Redux SSR State Management Styled Components Testing Library TypeScript Virtual DOM Webpack component lifecycle context API frontend hooks props state management useEffect useState virtual DOM

Stored enrichment (catalog DB)

Category
Framework
Sub-category
Frontend Framework
Vendor
Meta
License
mit
Year introduced
2013
Confidence
0.98
Version strategy
SEPARATE_ENTITY
Version tag
18

Maturity reasoning: React appears in high-volume frontend job postings across startups and enterprises and remains a default hiring-pipeline skill, with strong GitHub/npm usage and ecosystem activity.

Skill profile (library / DB)

Skill nature
FRAMEWORK
Volatility
STABLE
Typical lifespan
EVERGREEN
Category id
5
Sub-category id
1072
Extractable
True
Also category
False

Dimensions (API 2 worklist)

  • Application Frameworks & Libraries Catalog dimension db id 451

    Library dimension (catalog)

    Roles linked in library: Sitecore Dev

  • Frameworks & Libraries Catalog dimension db id 360

    Library dimension (catalog)

    Roles linked in library: Drupal Dev, Engineering Manager

  • Frontend Frameworks and Libraries Catalog dimension db id 434

    Library dimension (catalog)

    Roles linked in library: Shopify Dev

  • JavaScript for WordPress Catalog dimension db id 329

    Library dimension (catalog)

    Roles linked in library: WordPress Dev

  • React Component Architecture Catalog dimension db id 302

    Library dimension (catalog)

    Roles linked in library: React Frontend Developer

  • UI Frameworks and Rendering Catalog dimension db id 115

    Library dimension (catalog)

    Roles linked in library: Frontend Developer, Fullstack Developer, Fullstack Developer, Hybrid Mobile Developer, Ionic Developer, Web Developer

API 3 link attempts (this skill)

Dimension Skill↔dim Role↔dim Outcome
Application Frameworks & Libraries
application-frameworks-libraries
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
Frameworks & Libraries
frameworks-libraries
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
Frontend Frameworks and Libraries
frontend-frameworks-and-libraries
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
JavaScript for WordPress
javascript-for-wordpress
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
React Component Architecture
react-component-architecture
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
UI Frameworks and Rendering
ui-frameworks-and-rendering
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
Backbone.js Secondary New / orchestrated API 3: new canonical path (new) New / unmatched skill (orchestrated in API 2)

Skill enrichment (orchestrator / LLM)

No Stage 7 enrichment blob on this skill (orchestrator skipped enrichment).

Derived legacy fields
Category
Web Frameworks
Sub-category
general
Skill nature
TOOL
Volatility
FAST
Typical lifespan
SHORT_LIVED
Version strategy
VERSIONED
Knockout.js Secondary Library skill API 3: existing canonical (in_db) Existing skill (matched library)
Canonical: Knockout.js id=3673 · knockout-js

Aliases — catalog

  • Knockout.js (CANONICAL) primary

Context tags (catalog)

HTML5 JavaScript Knockout bindings MVVM SPA UI components computed observables custom bindings data-binding dependency tracking dynamic updates event handling observable templating view models

Stored enrichment (catalog DB)

Category
Library
Sub-category
Javascript Mvvm Library
Vendor
KnockoutJS
License
mit
Year introduced
2010
Confidence
0.98
Version strategy
NOT_APPLICABLE

Maturity reasoning: Knockout.js has been largely superseded in new front-end JDs by React, Vue, and Angular; current job postings rarely list it except for legacy maintenance work.

Skill profile (library / DB)

Skill nature
LIBRARY
Volatility
DEPRECATED
Typical lifespan
EVERGREEN
Category id
7
Sub-category id
2936
Extractable
True
Also category
False

Dimensions (API 2 worklist)

  • JavaScript Checkout Behavior Catalog dimension db id 393

    Library dimension (catalog)

    Roles linked in library: Magento Dev

API 3 link attempts (this skill)

Dimension Skill↔dim Role↔dim Outcome
JavaScript Checkout Behavior
javascript-checkout-behavior
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
Sinatra Secondary Library skill API 3: existing canonical (in_db) Existing skill (matched library)
Canonical: Sinatra id=3968 · sinatra

Aliases — catalog

  • Sinatra (CANONICAL) primary

Context tags (catalog)

API Gemfile HTTP JSON MVC RESTful Rack Ruby Sinatra::Application Sinatra::Base lightweight middleware route session management template engine web server

Stored enrichment (catalog DB)

Category
Framework
Sub-category
Web Framework
Vendor
Sinatra Core Team
License
mit
Year introduced
2010
Confidence
0.97
Version strategy
NOT_APPLICABLE

Maturity reasoning: Sinatra appears in far fewer job postings than Rails or Express and is mainly used for small Ruby services; GitHub activity is steady but niche, with no broad enterprise hiring signal.

Skill profile (library / DB)

Skill nature
FRAMEWORK
Volatility
STABLE
Typical lifespan
EVERGREEN
Category id
5
Sub-category id
35
Extractable
True
Also category
False

Dimensions (API 2 worklist)

  • Ruby Web Frameworks Catalog dimension db id 416

    Library dimension (catalog)

    Roles linked in library: Ruby Backend Developer

API 3 link attempts (this skill)

Dimension Skill↔dim Role↔dim Outcome
Ruby Web Frameworks
ruby-web-frameworks
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
SQL Primary Library skill API 3: existing canonical (in_db) Existing skill (matched library)
Canonical: SQL id=101 · sql

Aliases — catalog

  • SQL (CANONICAL) primary

Context tags (catalog)

ACID CTE DDL DML ETL JOIN MySQL NoSQL OLAP ORM PostgreSQL SQL injection SQLite T-SQL data modeling data warehousing database normalization execution plan indexing joins normalization query optimization stored procedures subquery transaction isolation transaction management window functions

Stored enrichment (catalog DB)

Category
Language
Sub-category
Query Language
Vendor
ANSI
License
unknown
Year introduced
1974
Confidence
0.99
Version strategy
NOT_APPLICABLE

Maturity reasoning: SQL appears in a large share of data, backend, and analytics job descriptions and remains the default query language for PostgreSQL, MySQL, and cloud warehouses like Snowflake/BigQuery.

Skill profile (library / DB)

Skill nature
LANGUAGE
Volatility
STABLE
Typical lifespan
EVERGREEN
Category id
6
Sub-category id
97
Extractable
True
Also category
False

Dimensions (API 2 worklist)

  • Pega Programming Languages & DSLs Catalog dimension db id 267

    Library dimension (catalog)

    Roles linked in library: Pega Developer

  • Programming Languages & DSLs Catalog dimension db id 475

    Library dimension (catalog)

    Roles linked in library: Engineering Manager

  • Programming Languages for Data Work Catalog dimension db id 21

    Library dimension (catalog)

    Roles linked in library: Data Engineer

API 3 link attempts (this skill)

Dimension Skill↔dim Role↔dim Outcome
Pega Programming Languages & DSLs
pega-programming-languages-dsls
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
Programming Languages & DSLs
programming-languages-dsls
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
Programming Languages for Data Work
programming-languages-for-data-work
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
ORM Primary New / orchestrated API 3: new canonical path (new) New / unmatched skill (orchestrated in API 2)

Skill enrichment (orchestrator / LLM)

No Stage 7 enrichment blob on this skill (orchestrator skipped enrichment).

Derived legacy fields
Category
Databases
Sub-category
general
Skill nature
CONCEPT
Volatility
MEDIUM
Typical lifespan
MULTI_YEAR
Version strategy
UNVERSIONED
Test-Driven Development Primary Library skill API 3: existing canonical (in_db) Existing skill (matched library)
Canonical: Test‐Driven Development id=4636 · test-driven-development

Aliases — catalog

  • Test‐Driven Development (CANONICAL) primary

Context tags (catalog)

Agile BDD CI/CD TDD cycle assertions code coverage continuous integration developer testing mocking red-green-refactor refactoring test automation test cases test suites test-first unit tests

Stored enrichment (catalog DB)

Category
Methodology
Sub-category
Test Driven Development
Confidence
0.99
Version strategy
NOT_APPLICABLE

Maturity reasoning: Common hiring-pipeline expectation in software JDs; many roles explicitly ask for TDD or unit/integration testing practices, and it remains a standard Agile/XP methodology rather than a sunset technology.

Skill profile (library / DB)

Skill nature
METHODOLOGY
Volatility
STABLE
Typical lifespan
EVERGREEN
Category id
8
Sub-category id
3631
Extractable
True
Also category
False

Dimensions (API 2 worklist)

  • Software Concepts, Patterns & Practices Catalog dimension db id 478

    Library dimension (catalog)

    Roles linked in library: Engineering Manager

API 3 link attempts (this skill)

Dimension Skill↔dim Role↔dim Outcome
Software Concepts, Patterns & Practices
software-concepts-patterns-practices
Skipped — no persistable v3 meta for new skill
skill_not_in_db_v3_proposed

All API 3 persistence rows

Same grid as the skill-extractor “Persistence items” table: one row per (skill × dimension) work item.

Skill Tag Dimension Skill↔dim Role↔dim Outcome Notes
Ruby on Rails in_db
Ruby Web Frameworks
ruby-web-frameworks
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
Ruby on Rails in_db
Web Application Frameworks
web-application-frameworks
Existing dimension (library) · Role↔dimension saved
Ruby in_db
Programming Languages and Scripting
programming-languages-and-scripting
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
Ruby in_db
Ruby Language and Syntax
ruby-language-and-syntax
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
MySQL in_db
Relational Data Modeling
relational-data-modeling
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
MySQL in_db
Relational Database Design
relational-database-design
Existing dimension (library) · Role↔dimension saved
MySQL in_db
Relational Database Usage
relational-database-usage
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
jQuery in_db
Application Frameworks & Libraries
application-frameworks-libraries
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
jQuery in_db
Frameworks & Libraries
frameworks-libraries
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
jQuery in_db
JavaScript Checkout Behavior
javascript-checkout-behavior
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
jQuery in_db
Storefront JavaScript and DOM Behavior
storefront-javascript-and-dom-behavior
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
jQuery in_db
Web UI & Integration Frameworks
web-ui-integration-frameworks
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
JavaScript in_db
Cross-Platform App Languages
cross-platform-app-languages
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
JavaScript in_db
JavaScript and TypeScript
javascript-and-typescript
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
JavaScript in_db
JavaScript for WordPress
javascript-for-wordpress
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
JavaScript in_db
Pega Programming Languages & DSLs
pega-programming-languages-dsls
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
JavaScript in_db
Programming Languages
programming-languages
Existing dimension (library) · Role↔dimension saved
JavaScript in_db
Programming Languages & DSLs
programming-languages-dsls
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
JavaScript in_db
Programming Languages & Template Languages
programming-languages-template-languages
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
JavaScript in_db
Sitecore Development Languages
sitecore-development-languages
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
JavaScript in_db
Storefront JavaScript and DOM Behavior
storefront-javascript-and-dom-behavior
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
AngularJS in_db
Angular Component Model and Templates
angular-component-model-and-templates
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
AngularJS in_db
Application Frameworks & Libraries
application-frameworks-libraries
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
AngularJS in_db
Frameworks & Libraries
frameworks-libraries
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
AngularJS in_db
UI Frameworks and Rendering
ui-frameworks-and-rendering
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
React in_db
Application Frameworks & Libraries
application-frameworks-libraries
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
React in_db
Frameworks & Libraries
frameworks-libraries
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
React in_db
Frontend Frameworks and Libraries
frontend-frameworks-and-libraries
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
React in_db
JavaScript for WordPress
javascript-for-wordpress
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
React in_db
React Component Architecture
react-component-architecture
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
React in_db
UI Frameworks and Rendering
ui-frameworks-and-rendering
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
Knockout.js in_db
JavaScript Checkout Behavior
javascript-checkout-behavior
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
Sinatra in_db
Ruby Web Frameworks
ruby-web-frameworks
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
SQL in_db
Pega Programming Languages & DSLs
pega-programming-languages-dsls
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
SQL in_db
Programming Languages & DSLs
programming-languages-dsls
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
SQL in_db
Programming Languages for Data Work
programming-languages-for-data-work
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
Test-Driven Development new
Software Concepts, Patterns & Practices
software-concepts-patterns-practices
Skipped — no persistable v3 meta for new skill skill_not_in_db_v3_proposed

Library artifacts (this run)

Kind Detail DB id
canonical_skill_proposed Rails | type=Web Frameworks subtype=general nature=TOOL lifespan=MULTI_YEAR
canonical_skill_proposed Ember.js | type=Web Frameworks subtype=general nature=TOOL lifespan=MULTI_YEAR
canonical_skill_proposed Backbone.js | type=Web Frameworks subtype=general nature=TOOL lifespan=SHORT_LIVED
canonical_skill_proposed ORM | type=Databases subtype=general nature=CONCEPT lifespan=MULTI_YEAR
dimension_skill_link_proposed Test-Driven Development ↔ Software Concepts, Patterns & Practices
nano JD Parser — gpt-4.1-nano click to toggle
RoleSoftware Engineer
ExperienceProven 1-2 yr work experience in as a computer software engineer or software developer or web developer
DomainSoftware & SaaS Products
JD type pass
Show raw JSON
{
  "JD_type": "pass",
  "about_company": null,
  "certifications": [],
  "company_name": null,
  "ctc": null,
  "domain": {
    "primary": {
      "aliases": [
        "SaaS",
        "Software Products"
      ],
      "domain": "Software \u0026 SaaS Products"
    },
    "secondary": null
  },
  "education": [
    {
      "level": "Bachelor\u0027s",
      "qualification": "BTECH/BE/MTECH/ME/MS - Computer Science or equivalent",
      "raw": "B.tech / M.tech / MS in Computer Science or equivalent",
      "requirement": "required"
    }
  ],
  "experience": {
    "max": 2,
    "min": 1,
    "raw": "Proven 1-2 yr work experience in as a computer software engineer or software developer or web developer"
  },
  "job_locations": [],
  "role": "Software Engineer",
  "role_aliases": [
    "Software Developer",
    "Web Developer",
    "ROR Developer"
  ],
  "role_archetype": "Engineering",
  "roles_and_responsibilities": [
    {
      "bullet_count": 0,
      "heading": "Job Description",
      "heading_was_present": true,
      "source_marker": {
        "first_5_words": "Hands on experience in programming",
        "last_5_words": "fully functional software system"
      },
      "text": "Hands on experience in programming language ROR(ruby on rails)\nContribute to the architecture and evolution of the Cloud platform.\nFind creative and elegant solutions to complex problems.\nDealt with database performance issues and query optimization in MySQL.\nContributed fixes/features to Rails, jQuery.\nWritten and/or maintain a Rails plugin.\nExecute full life-cycle software/website development\nWrite well designed, testable, efficient code\nProduce specifications and determine operational feasibility\nIntegrate software components into a fully functional software system",
      "word_count": 99
    },
    {
      "bullet_count": 10,
      "heading": "Requirements",
      "heading_was_present": true,
      "source_marker": {
        "first_5_words": "Quick Learner and street-smart person",
        "last_5_words": "and any of the front end technology"
      },
      "text": "Quick Learner and street-smart person who can grasp things faster\nProven 1-2 yr work experience in as a computer software engineer or software developer or web developer\nAbility to develop website in Ruby on Rails, JavaScript, JS Frameworks\nExcellent knowledge of Relational Databases, SQL and ORM technologies\nExperience in developing web applications using at least one popular web framework (Rails, Sinatra)\nExperience with test-driven development\nAbility to document requirements and specifications\nFamiliarity with website development methodology and release processes\nUI experience needed.\nExperience on any of the front end technology Angularjs/ Emberjs/ React/ Backbonejs / knockoutjs",
      "word_count": 108
    }
  ],
  "urls": []
}
API 1 — extract-from-jd click to toggle
{
  "final_skills": [
    {
      "is_primary": true,
      "skill_name": "Ruby on Rails"
    },
    {
      "is_primary": true,
      "skill_name": "Ruby"
    },
    {
      "is_primary": true,
      "skill_name": "MySQL"
    },
    {
      "is_primary": true,
      "skill_name": "Rails"
    },
    {
      "is_primary": true,
      "skill_name": "jQuery"
    },
    {
      "is_primary": true,
      "skill_name": "JavaScript"
    },
    {
      "is_primary": false,
      "skill_name": "AngularJS"
    },
    {
      "is_primary": false,
      "skill_name": "Ember.js"
    },
    {
      "is_primary": false,
      "skill_name": "React"
    },
    {
      "is_primary": false,
      "skill_name": "Backbone.js"
    },
    {
      "is_primary": false,
      "skill_name": "Knockout.js"
    },
    {
      "is_primary": false,
      "skill_name": "Sinatra"
    },
    {
      "is_primary": true,
      "skill_name": "SQL"
    },
    {
      "is_primary": true,
      "skill_name": "ORM"
    },
    {
      "is_primary": true,
      "skill_name": "Test-Driven Development"
    }
  ],
  "jd_role": {
    "display_name": "Software Engineer",
    "rationale": null,
    "role_aliases": [
      "Software Developer",
      "Web Developer",
      "ROR Developer"
    ],
    "role_archetype": "Engineering",
    "slug": ""
  },
  "nano_parsed": {
    "JD_type": "pass",
    "about_company": null,
    "certifications": [],
    "company_name": null,
    "ctc": null,
    "domain": {
      "primary": {
        "aliases": [
          "SaaS",
          "Software Products"
        ],
        "domain": "Software \u0026 SaaS Products"
      },
      "secondary": null
    },
    "education": [
      {
        "level": "Bachelor\u0027s",
        "qualification": "BTECH/BE/MTECH/ME/MS - Computer Science or equivalent",
        "raw": "B.tech / M.tech / MS in Computer Science or equivalent",
        "requirement": "required"
      }
    ],
    "experience": {
      "max": 2,
      "min": 1,
      "raw": "Proven 1-2 yr work experience in as a computer software engineer or software developer or web developer"
    },
    "job_locations": [],
    "role": "Software Engineer",
    "role_aliases": [
      "Software Developer",
      "Web Developer",
      "ROR Developer"
    ],
    "role_archetype": "Engineering",
    "roles_and_responsibilities": [
      {
        "bullet_count": 0,
        "heading": "Job Description",
        "heading_was_present": true,
        "source_marker": {
          "first_5_words": "Hands on experience in programming",
          "last_5_words": "fully functional software system"
        },
        "text": "Hands on experience in programming language ROR(ruby on rails)\nContribute to the architecture and evolution of the Cloud platform.\nFind creative and elegant solutions to complex problems.\nDealt with database performance issues and query optimization in MySQL.\nContributed fixes/features to Rails, jQuery.\nWritten and/or maintain a Rails plugin.\nExecute full life-cycle software/website development\nWrite well designed, testable, efficient code\nProduce specifications and determine operational feasibility\nIntegrate software components into a fully functional software system",
        "word_count": 99
      },
      {
        "bullet_count": 10,
        "heading": "Requirements",
        "heading_was_present": true,
        "source_marker": {
          "first_5_words": "Quick Learner and street-smart person",
          "last_5_words": "and any of the front end technology"
        },
        "text": "Quick Learner and street-smart person who can grasp things faster\nProven 1-2 yr work experience in as a computer software engineer or software developer or web developer\nAbility to develop website in Ruby on Rails, JavaScript, JS Frameworks\nExcellent knowledge of Relational Databases, SQL and ORM technologies\nExperience in developing web applications using at least one popular web framework (Rails, Sinatra)\nExperience with test-driven development\nAbility to document requirements and specifications\nFamiliarity with website development methodology and release processes\nUI experience needed.\nExperience on any of the front end technology Angularjs/ Emberjs/ React/ Backbonejs / knockoutjs",
        "word_count": 108
      }
    ],
    "urls": []
  },
  "rejected": false,
  "rejection_reason": null,
  "run_id": "569c1636-90a6-4de5-b4b9-2253c0e4e242",
  "stage3_signals": {
    "alias_found": true,
    "alias_match_roles": [
      {
        "display_name": "Frontend Developer",
        "kra_matches": null,
        "matched_count": null,
        "matched_skills": null,
        "role_id": 7,
        "score": 1.0,
        "slug": "frontend-engineer",
        "total_count": null
      },
      {
        "display_name": "Web Developer",
        "kra_matches": null,
        "matched_count": null,
        "matched_skills": null,
        "role_id": 25,
        "score": 1.0,
        "slug": "web-developer",
        "total_count": null
      }
    ],
    "kra_match_roles": [
      {
        "display_name": "Fullstack Developer",
        "kra_matches": [
          {
            "kra_text": "Designs and queries relational databases like PostgreSQL and document stores like MongoDB, writing migrations, indexes, and optimized queries.",
            "sentence": "Excellent knowledge of Relational Databases, SQL and ORM technologies",
            "similarity": 0.5605
          },
          {
            "kra_text": "Implements complete product features end-to-end from database schema design through backend API to frontend UI using JavaScript, TypeScript, Python, or Ruby on Rails.",
            "sentence": "Ability to develop website in Ruby on Rails, JavaScript, JS Frameworks",
            "similarity": 0.5442
          },
          {
            "kra_text": "Builds and integrates client-side React or Vue components with server-side Node.js or Django APIs, managing bidirectional data flow across frontend and backend layers.",
            "sentence": "Experience on any of the front end technology Angularjs/ Emberjs/ React/ Backbonejs / knockoutjs",
            "similarity": 0.5185
          }
        ],
        "matched_count": null,
        "matched_skills": null,
        "role_id": 15,
        "score": 0.5411,
        "slug": "full-stack-engineer",
        "total_count": null
      },
      {
        "display_name": "Node.js Backend Developer",
        "kra_matches": [
          {
            "kra_text": "external system integration",
            "sentence": "Integrate software components into a fully functional software system",
            "similarity": 0.5926
          },
          {
            "kra_text": "code review and refactoring",
            "sentence": "Write well designed, testable, efficient code",
            "similarity": 0.5469
          },
          {
            "kra_text": "defect diagnosis and performance tuning",
            "sentence": "Dealt with database performance issues and query optimization in MySQL.",
            "similarity": 0.4775
          }
        ],
        "matched_count": null,
        "matched_skills": null,
        "role_id": 82,
        "score": 0.539,
        "slug": "node-backend-developer",
        "total_count": null
      },
      {
        "display_name": "Java Backend Developer",
        "kra_matches": [
          {
            "kra_text": "external system integration",
            "sentence": "Integrate software components into a fully functional software system",
            "similarity": 0.5926
          },
          {
            "kra_text": "backend performance tuning",
            "sentence": "Dealt with database performance issues and query optimization in MySQL.",
            "similarity": 0.5661
          },
          {
            "kra_text": "service endpoint development",
            "sentence": "Execute full life-cycle software/website development",
            "similarity": 0.4551
          }
        ],
        "matched_count": null,
        "matched_skills": null,
        "role_id": 79,
        "score": 0.5379,
        "slug": "java-backend-developer",
        "total_count": null
      },
      {
        "display_name": "Backend Developer",
        "kra_matches": [
          {
            "kra_text": "Identifies and resolves backend performance bottlenecks through query optimization, indexing strategies, connection pooling, and distributed caching with Redis.",
            "sentence": "Dealt with database performance issues and query optimization in MySQL.",
            "similarity": 0.592
          },
          {
            "kra_text": "Writes database access logic including SQL queries, ORM mappings, stored procedures, and migration scripts for relational databases like PostgreSQL and MySQL.",
            "sentence": "Excellent knowledge of Relational Databases, SQL and ORM technologies",
            "similarity": 0.5536
          },
          {
            "kra_text": "Integrates with third-party services, payment gateways, messaging queues like Kafka or RabbitMQ, and internal microservices via HTTP and event-driven patterns.",
            "sentence": "Integrate software components into a fully functional software system",
            "similarity": 0.4504
          }
        ],
        "matched_count": null,
        "matched_skills": null,
        "role_id": 1,
        "score": 0.532,
        "slug": "backend-engineer",
        "total_count": null
      },
      {
        "display_name": "React Native Developer",
        "kra_matches": [
          {
            "kra_text": "maintain code quality",
            "sentence": "Write well designed, testable, efficient code",
            "similarity": 0.6328
          },
          {
            "kra_text": "integrate backend APIs",
            "sentence": "Integrate software components into a fully functional software system",
            "similarity": 0.567
          },
          {
            "kra_text": "prepare mobile releases",
            "sentence": "Execute full life-cycle software/website development",
            "similarity": 0.3811
          }
        ],
        "matched_count": null,
        "matched_skills": null,
        "role_id": 73,
        "score": 0.527,
        "slug": "react-native-developer",
        "total_count": null
      }
    ],
    "skill_match_roles": [
      {
        "display_name": "Fullstack Developer",
        "kra_matches": null,
        "matched_count": 3,
        "matched_skills": [
          "JavaScript",
          "MySQL",
          "Ruby on Rails"
        ],
        "role_id": 15,
        "score": 0.3333,
        "slug": "full-stack-engineer",
        "total_count": 9
      },
      {
        "display_name": "Pega Developer",
        "kra_matches": null,
        "matched_count": 3,
        "matched_skills": [
          "JavaScript",
          "SQL",
          "jQuery"
        ],
        "role_id": 24,
        "score": 0.3333,
        "slug": "pega-developer",
        "total_count": 9
      },
      {
        "display_name": "Node.js Backend Developer",
        "kra_matches": null,
        "matched_count": 3,
        "matched_skills": [
          "JavaScript",
          "MySQL",
          "Ruby on Rails"
        ],
        "role_id": 82,
        "score": 0.3333,
        "slug": "node-backend-developer",
        "total_count": 9
      },
      {
        "display_name": "Backend Developer",
        "kra_matches": null,
        "matched_count": 3,
        "matched_skills": [
          "JavaScript",
          "MySQL",
          "Ruby on Rails"
        ],
        "role_id": 1,
        "score": 0.3333,
        "slug": "backend-engineer",
        "total_count": 9
      },
      {
        "display_name": "Ruby Backend Developer",
        "kra_matches": null,
        "matched_count": 3,
        "matched_skills": [
          "MySQL",
          "Ruby",
          "Ruby on Rails"
        ],
        "role_id": 85,
        "score": 0.3333,
        "slug": "ruby-backend-developer",
        "total_count": 9
      }
    ]
  },
  "stage4_decision": {
    "alias_collision_detected": false,
    "case": "DOMAIN",
    "chosen_role": {
      "display_name": "Backend Developer",
      "kra_matches": null,
      "matched_count": null,
      "matched_skills": null,
      "role_id": 1,
      "score": 0.95,
      "slug": "backend-engineer",
      "total_count": null
    },
    "confidence": 0.95,
    "is_new_role": false,
    "llm2_fired": false,
    "llm2_reasoning": null,
    "matched_dimensions": [
      "Cloud platform architecture",
      "Backend web application development",
      "Database performance tuning",
      "Full lifecycle software development",
      "Test-driven development",
      "Requirements and specifications documentation",
      "Software system integration",
      "UI-facing web development"
    ],
    "matched_kras": [
      "Contribute to the architecture and evolution of the Cloud platform",
      "Dealt with database performance issues and query optimization",
      "Execute full life-cycle software/website development",
      "Write well designed, testable, efficient code",
      "Produce specifications and determine operational feasibility",
      "Integrate software components into a fully functional software system",
      "Written and/or maintain a Rails plugin"
    ],
    "matched_skills": [
      "Ruby on Rails",
      "ROR",
      "MySQL",
      "Rails",
      "jQuery",
      "JavaScript",
      "SQL",
      "ORM technologies",
      "Rails plugin",
      "Sinatra",
      "test-driven development",
      "Angularjs",
      "Emberjs",
      "React",
      "Backbonejs"
    ],
    "new_role_display_name": null,
    "new_role_slug": null,
    "queued": false,
    "reasoning": "Domain=Software Engineering \u2192 sub-role ruby-backend-developer; The JD centers on Ruby on Rails, backend web application development, database/SQL optimization, and full software lifecycle work, which best matches a backend Ruby on Rails developer.",
    "sub_role": {
      "confidence": 0.99,
      "display_name": "Ruby Backend Developer",
      "reasoning": "The JD explicitly centers on Ruby on Rails, Rails plugins, Rails/Sinatra web development, and Ruby-based backend work, which clearly maps to Ruby backend development.",
      "role_id": 85,
      "slug": "ruby-backend-developer"
    }
  },
  "stage5_updates": {
    "centroid_n_after": 1286,
    "centroid_updated": true,
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    "new_kra_attached": null,
    "new_skills_attached": [
      {
        "is_primary": true,
        "queue_id": 18370,
        "role_display_name": "Backend Developer",
        "role_slug": "backend-engineer",
        "skill_name": "Rails",
        "status": "pending"
      },
      {
        "is_primary": false,
        "queue_id": 18371,
        "role_display_name": "Backend Developer",
        "role_slug": "backend-engineer",
        "skill_name": "Ember.js",
        "status": "pending"
      },
      {
        "is_primary": false,
        "queue_id": 18372,
        "role_display_name": "Backend Developer",
        "role_slug": "backend-engineer",
        "skill_name": "Backbone.js",
        "status": "pending"
      },
      {
        "is_primary": true,
        "queue_id": 18373,
        "role_display_name": "Backend Developer",
        "role_slug": "backend-engineer",
        "skill_name": "ORM",
        "status": "pending"
      },
      {
        "is_primary": true,
        "queue_id": 18374,
        "role_display_name": "Backend Developer",
        "role_slug": "backend-engineer",
        "skill_name": "Test-Driven Development",
        "status": "pending"
      }
    ],
    "queue_entry_id": null,
    "v3_pipeline_triggered": false,
    "v3_role_slug": null,
    "v3_run_id": null
  }
}
API 2 — extract-details
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      "alias_persisted": false,
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      "input_term": "Ruby on Rails",
      "matched_canonical": {
        "category_id": 5,
        "display_name": "Ruby on Rails",
        "id": 10,
        "is_also_category": false,
        "is_extractable": true,
        "skill_nature": "FRAMEWORK",
        "slug": "ruby-on-rails",
        "sub_category_id": 35,
        "typical_lifespan": "EVERGREEN",
        "volatility": "STABLE"
      },
      "matched_via": "alias"
    },
    {
      "alias_persist_skipped_reason": "alias_text already exists for this canonical skill",
      "alias_persisted": false,
      "existing_alias_id": 606,
      "existing_alias_text": "Ruby",
      "input_term": "Ruby",
      "matched_canonical": {
        "category_id": 6,
        "display_name": "Ruby",
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        "is_also_category": false,
        "is_extractable": true,
        "skill_nature": "LANGUAGE",
        "slug": "ruby",
        "sub_category_id": 96,
        "typical_lifespan": "EVERGREEN",
        "volatility": "STABLE"
      },
      "matched_via": "alias"
    },
    {
      "alias_persist_skipped_reason": "alias_text already exists for this canonical skill",
      "alias_persisted": false,
      "existing_alias_id": 134,
      "existing_alias_text": "MySQL",
      "input_term": "MySQL",
      "matched_canonical": {
        "category_id": 3,
        "display_name": "MySQL",
        "id": 17,
        "is_also_category": false,
        "is_extractable": true,
        "skill_nature": "TOOL",
        "slug": "mysql",
        "sub_category_id": 29,
        "typical_lifespan": "EVERGREEN",
        "volatility": "STABLE"
      },
      "matched_via": "alias"
    },
    {
      "alias_persist_skipped_reason": "alias_text already exists for this canonical skill",
      "alias_persisted": false,
      "existing_alias_id": 2986,
      "existing_alias_text": "jQuery",
      "input_term": "jQuery",
      "matched_canonical": {
        "category_id": 7,
        "display_name": "jQuery",
        "id": 1968,
        "is_also_category": false,
        "is_extractable": true,
        "skill_nature": "LIBRARY",
        "slug": "jquery",
        "sub_category_id": 1470,
        "typical_lifespan": "EVERGREEN",
        "volatility": "DEPRECATED"
      },
      "matched_via": "alias"
    },
    {
      "alias_persist_skipped_reason": "alias_text already exists for this canonical skill",
      "alias_persisted": false,
      "existing_alias_id": 1028,
      "existing_alias_text": "JavaScript",
      "input_term": "JavaScript",
      "matched_canonical": {
        "category_id": 6,
        "display_name": "JavaScript",
        "id": 607,
        "is_also_category": false,
        "is_extractable": true,
        "skill_nature": "LANGUAGE",
        "slug": "javascript",
        "sub_category_id": 96,
        "typical_lifespan": "EVERGREEN",
        "volatility": "STABLE"
      },
      "matched_via": "alias"
    },
    {
      "alias_persist_skipped_reason": "alias_text already exists for this canonical skill",
      "alias_persisted": false,
      "existing_alias_id": 1076,
      "existing_alias_text": "AngularJS",
      "input_term": "AngularJS",
      "matched_canonical": {
        "category_id": 5,
        "display_name": "Angular",
        "id": 612,
        "is_also_category": false,
        "is_extractable": true,
        "skill_nature": "FRAMEWORK",
        "slug": "angular",
        "sub_category_id": 1072,
        "typical_lifespan": "EVERGREEN",
        "volatility": "STABLE"
      },
      "matched_via": "alias"
    },
    {
      "alias_persist_skipped_reason": "alias_text already exists for this canonical skill",
      "alias_persisted": false,
      "existing_alias_id": 1047,
      "existing_alias_text": "React",
      "input_term": "React",
      "matched_canonical": {
        "category_id": 5,
        "display_name": "React",
        "id": 610,
        "is_also_category": false,
        "is_extractable": true,
        "skill_nature": "FRAMEWORK",
        "slug": "react",
        "sub_category_id": 1072,
        "typical_lifespan": "EVERGREEN",
        "volatility": "STABLE"
      },
      "matched_via": "alias"
    },
    {
      "alias_persist_skipped_reason": "alias_text already exists for this canonical skill",
      "alias_persisted": false,
      "existing_alias_id": 5290,
      "existing_alias_text": "Knockout.js",
      "input_term": "Knockout.js",
      "matched_canonical": {
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        "display_name": "Knockout.js",
        "id": 3673,
        "is_also_category": false,
        "is_extractable": true,
        "skill_nature": "LIBRARY",
        "slug": "knockout-js",
        "sub_category_id": 2936,
        "typical_lifespan": "EVERGREEN",
        "volatility": "DEPRECATED"
      },
      "matched_via": "alias"
    },
    {
      "alias_persist_skipped_reason": "alias_text already exists for this canonical skill",
      "alias_persisted": false,
      "existing_alias_id": 5667,
      "existing_alias_text": "Sinatra",
      "input_term": "Sinatra",
      "matched_canonical": {
        "category_id": 5,
        "display_name": "Sinatra",
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        "is_also_category": false,
        "is_extractable": true,
        "skill_nature": "FRAMEWORK",
        "slug": "sinatra",
        "sub_category_id": 35,
        "typical_lifespan": "EVERGREEN",
        "volatility": "STABLE"
      },
      "matched_via": "alias"
    },
    {
      "alias_persist_skipped_reason": "alias_text already exists for this canonical skill",
      "alias_persisted": false,
      "existing_alias_id": 271,
      "existing_alias_text": "SQL",
      "input_term": "SQL",
      "matched_canonical": {
        "category_id": 6,
        "display_name": "SQL",
        "id": 101,
        "is_also_category": false,
        "is_extractable": true,
        "skill_nature": "LANGUAGE",
        "slug": "sql",
        "sub_category_id": 97,
        "typical_lifespan": "EVERGREEN",
        "volatility": "STABLE"
      },
      "matched_via": "alias"
    },
    {
      "alias_persist_skipped_reason": "TODO: REMOVE AFTER TESTING \u2014 alias DB write disabled",
      "alias_persisted": false,
      "existing_alias_id": 6571,
      "existing_alias_text": "Test\u2010Driven Development",
      "input_term": "Test-Driven Development",
      "matched_canonical": {
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        "display_name": "Test\u2010Driven Development",
        "id": 4636,
        "is_also_category": false,
        "is_extractable": true,
        "skill_nature": "METHODOLOGY",
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        "sub_category_id": 3631,
        "typical_lifespan": "EVERGREEN",
        "volatility": "STABLE"
      },
      "matched_via": "embedding_alias"
    }
  ],
  "candidate_roles": [
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      "display_name": "Ruby Backend Developer",
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      "rationale": null,
      "role_archetype": "Engineering",
      "slug": "ruby-backend-developer",
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      "slug": "full-stack-engineer",
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      "role_archetype": "Engineering",
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      "rationale": null,
      "role_archetype": "Engineering",
      "slug": "node-backend-developer",
      "source": "db"
    },
    {
      "display_name": "PHP Backend Developer",
      "id": 86,
      "rationale": null,
      "role_archetype": "Engineering",
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    },
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      "display_name": "Cyber Security Engineer",
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      "slug": "cybersecurity-engineer",
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      "id": 83,
      "rationale": null,
      "role_archetype": "Engineering",
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      "display_name": "Kotlin Backend Developer",
      "id": 84,
      "rationale": null,
      "role_archetype": "Engineering",
      "slug": "kotlin-server-backend-developer",
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    },
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      "display_name": "Scala Backend Developer",
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      "rationale": null,
      "role_archetype": "Engineering",
      "slug": "scala-backend-developer",
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      "display_name": "Go Backend Developer",
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      "role_archetype": "Engineering",
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    {
      "display_name": "Sitecore Dev",
      "id": 233,
      "rationale": null,
      "role_archetype": "Engineering",
      "slug": "sitecore-dev",
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    },
    {
      "display_name": "Drupal Dev",
      "id": 228,
      "rationale": null,
      "role_archetype": "Engineering",
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    },
    {
      "display_name": "Engineering Manager",
      "id": 121,
      "rationale": null,
      "role_archetype": null,
      "slug": "engineering-manager",
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      "rationale": null,
      "role_archetype": "Engineering",
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    },
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      "display_name": "Shopify Dev",
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      "rationale": null,
      "role_archetype": "Engineering",
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      "display_name": "Pega Developer",
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      "role_archetype": null,
      "slug": "pega-developer",
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    {
      "display_name": "Hybrid Mobile Developer",
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      "slug": "hybrid-mobile-developer",
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      "display_name": "Angular Frontend Developer",
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      "slug": "ionic-developer",
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      "display_name": "WordPress Dev",
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      "role_archetype": "Engineering",
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      "display_name": "Data Engineer",
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  ],
  "chosen_role": {
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      ]
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    {
      "dimension": {
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      ]
    },
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        "rationale": "Languages used to write security automation, analysis scripts, detection logic, and remediation helpers. This is the primary implementation surface for a cybersecurity engineer across tooling and response workflows.",
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        "source": "db"
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      "input_skill": "Ruby",
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      "roles_from_db": [
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          "display_name": "Cyber Security Engineer",
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    },
    {
      "dimension": {
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        "rationale": "Core Ruby implementation skills used to build backend business logic, helpers, and service internals. This is the primary coding surface for the role and includes idiomatic Ruby used in production codebases.",
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        "source": "db"
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      "input_skill": "Ruby",
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      ]
    },
    {
      "dimension": {
        "difficulty_hint": "well_known",
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        "rationale": "Modeling and tuning relational persistence for backend features. PHP backend developers need this to shape schemas, indexes, transactions, and query-aware data structures that support application behavior.",
        "slug": "relational-data-modeling",
        "source": "db"
      },
      "input_skill": "MySQL",
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      "roles_from_db": [
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          "display_name": "Fullstack Developer",
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          "rationale": null,
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      "source_tag": "db",
      "was_in_llm_skills": true
    },
    {
      "aliases_in_db": [
        {
          "alias_text": "SQL",
          "alias_type": "CANONICAL",
          "id": 271,
          "is_primary": true,
          "match_strategy": "CASE_INSENSITIVE"
        }
      ],
      "canonical": {
        "category_id": 6,
        "display_name": "SQL",
        "id": 101,
        "is_also_category": false,
        "is_extractable": true,
        "skill_nature": "LANGUAGE",
        "slug": "sql",
        "sub_category_id": 97,
        "typical_lifespan": "EVERGREEN",
        "volatility": "STABLE"
      },
      "dimensions": [
        {
          "dimension": {
            "difficulty_hint": "well_known",
            "display_name": "Pega Programming Languages \u0026 DSLs",
            "id": 267,
            "rationale": "Programming languages and domain-specific languages used in Pega development.",
            "slug": "pega-programming-languages-dsls",
            "source": "db"
          },
          "input_skill": "SQL",
          "llm_role": null,
          "roles_from_db": [
            {
              "display_name": "Pega Developer",
              "id": 24,
              "rationale": null,
              "role_archetype": null,
              "slug": "pega-developer",
              "source": "db"
            }
          ]
        },
        {
          "dimension": {
            "difficulty_hint": "well_known",
            "display_name": "Programming Languages \u0026 DSLs",
            "id": 475,
            "rationale": "Oversee and guide the selection and effective use of programming and domain\u2010specific languages in software projects.",
            "slug": "programming-languages-dsls",
            "source": "db"
          },
          "input_skill": "SQL",
          "llm_role": null,
          "roles_from_db": [
            {
              "display_name": "Engineering Manager",
              "id": 121,
              "rationale": null,
              "role_archetype": null,
              "slug": "engineering-manager",
              "source": "db"
            }
          ]
        },
        {
          "dimension": {
            "difficulty_hint": "well_known",
            "display_name": "Programming Languages for Data Work",
            "id": 21,
            "rationale": "Languages used to implement data pipelines, transformations, and operational glue. This is the primary coding surface for building ingestion, enrichment, and automation logic in data engineering.",
            "slug": "programming-languages-for-data-work",
            "source": "db"
          },
          "input_skill": "SQL",
          "llm_role": null,
          "roles_from_db": [
            {
              "display_name": "Data Engineer",
              "id": 2,
              "rationale": null,
              "role_archetype": null,
              "slug": "data-engineer",
              "source": "db"
            }
          ]
        }
      ],
      "input_skill": "SQL",
      "matched_via": "alias",
      "new_alias_persisted": false,
      "new_alias_text": null,
      "new_skill_meta": null,
      "source_tag": "db",
      "was_in_llm_skills": true
    },
    {
      "aliases_in_db": [],
      "canonical": null,
      "dimensions": [],
      "input_skill": "ORM",
      "matched_via": null,
      "new_alias_persisted": false,
      "new_alias_text": null,
      "new_skill_meta": {
        "derived": {
          "category": "Databases",
          "skill_nature": "CONCEPT",
          "sub_category": "general",
          "typical_lifespan": "MULTI_YEAR",
          "version_strategy": "UNVERSIONED",
          "volatility": "MEDIUM"
        },
        "enrichment": null,
        "keep_log": [],
        "locked_dimensions": [],
        "merge_log": [],
        "placed": null,
        "relationships": null,
        "skill_id": "orm",
        "split_log": [],
        "typed": null,
        "warnings": []
      },
      "source_tag": "llm",
      "was_in_llm_skills": true
    },
    {
      "aliases_in_db": [
        {
          "alias_text": "Test\u2010Driven Development",
          "alias_type": "CANONICAL",
          "id": 6571,
          "is_primary": true,
          "match_strategy": "CASE_INSENSITIVE"
        }
      ],
      "canonical": {
        "category_id": 8,
        "display_name": "Test\u2010Driven Development",
        "id": 4636,
        "is_also_category": false,
        "is_extractable": true,
        "skill_nature": "METHODOLOGY",
        "slug": "test-driven-development",
        "sub_category_id": 3631,
        "typical_lifespan": "EVERGREEN",
        "volatility": "STABLE"
      },
      "dimensions": [
        {
          "dimension": {
            "difficulty_hint": "well_known",
            "display_name": "Software Concepts, Patterns \u0026 Practices",
            "id": 478,
            "rationale": "Champion foundational software design patterns, development methodologies, and engineering best practices.",
            "slug": "software-concepts-patterns-practices",
            "source": "db"
          },
          "input_skill": "Test-Driven Development",
          "llm_role": null,
          "roles_from_db": [
            {
              "display_name": "Engineering Manager",
              "id": 121,
              "rationale": null,
              "role_archetype": null,
              "slug": "engineering-manager",
              "source": "db"
            }
          ]
        }
      ],
      "input_skill": "Test-Driven Development",
      "matched_via": "embedding_alias",
      "new_alias_persisted": false,
      "new_alias_text": null,
      "new_skill_meta": null,
      "source_tag": "db",
      "was_in_llm_skills": true
    }
  ],
  "unmatched_skills": [
    "Rails",
    "Ember.js",
    "Backbone.js",
    "ORM"
  ]
}
API 3 — final-role-output
{
  "chosen_role": {
    "display_name": "Backend Developer",
    "id": 1,
    "rationale": "Domain=Software Engineering \u2192 sub-role ruby-backend-developer; The JD centers on Ruby on Rails, backend web application development, database/SQL optimization, and full software lifecycle work, which best matches a backend Ruby on Rails developer.",
    "role_archetype": "A Backend Engineer designs, builds, and maintains the server-side logic and data handling that power applications and services. They focus on implementing reliable business functionality, integrating with other systems, and ensuring the backend is scalable, maintainable, and observable.",
    "slug": "backend-engineer",
    "source": "db"
  },
  "chosen_role_resolution": "in_db",
  "final_input_skills": [
    {
      "skill": "Ruby on Rails",
      "tag": "in_db"
    },
    {
      "skill": "Ruby",
      "tag": "in_db"
    },
    {
      "skill": "MySQL",
      "tag": "in_db"
    },
    {
      "skill": "Rails",
      "tag": "new"
    },
    {
      "skill": "jQuery",
      "tag": "in_db"
    },
    {
      "skill": "JavaScript",
      "tag": "in_db"
    },
    {
      "skill": "AngularJS",
      "tag": "in_db"
    },
    {
      "skill": "Ember.js",
      "tag": "new"
    },
    {
      "skill": "React",
      "tag": "in_db"
    },
    {
      "skill": "Backbone.js",
      "tag": "new"
    },
    {
      "skill": "Knockout.js",
      "tag": "in_db"
    },
    {
      "skill": "Sinatra",
      "tag": "in_db"
    },
    {
      "skill": "SQL",
      "tag": "in_db"
    },
    {
      "skill": "ORM",
      "tag": "new"
    },
    {
      "skill": "Test-Driven Development",
      "tag": "in_db"
    }
  ],
  "llm_cost_api1_usd": null,
  "llm_cost_api2_usd": null,
  "llm_cost_api3_usd": null,
  "llm_cost_total_usd": null,
  "persistence": {
    "items": [
      {
        "chosen_role_id": 1,
        "dimension": {
          "difficulty_hint": "well_known",
          "display_name": "Ruby Web Frameworks",
          "id": 416,
          "rationale": "Server-side Ruby frameworks and runtimes used to handle requests, controllers, middleware, and service composition. This cluster is coherent because it defines how backend endpoints are structured and executed.",
          "slug": "ruby-web-frameworks",
          "source": "db"
        },
        "dimension_id": 416,
        "input_skill": "Ruby on Rails",
        "llm_role": null,
        "matched_chosen_role": false,
        "outcome_line": "Existing dimension (library) \u00b7 Role\u2194dimension skipped (dimension not under chosen role)",
        "role_dimension_saved": false,
        "roles_from_db": [
          {
            "display_name": "Ruby Backend Developer",
            "id": 85,
            "rationale": null,
            "role_archetype": "Engineering",
            "slug": "ruby-backend-developer",
            "source": "db"
          }
        ],
        "skill_dimension_saved": true,
        "skill_id": 10,
        "skill_tag": "in_db",
        "skipped_reason": null
      },
      {
        "chosen_role_id": 1,
        "dimension": {
          "difficulty_hint": "well_known",
          "display_name": "Web Application Frameworks",
          "id": 2,
          "rationale": "Server frameworks and runtimes used to build HTTP services, controllers, middleware, and request pipelines. These frameworks shape how backend endpoints are structured and delivered.",
          "slug": "web-application-frameworks",
          "source": "db"
        },
        "dimension_id": 2,
        "input_skill": "Ruby on Rails",
        "llm_role": null,
        "matched_chosen_role": true,
        "outcome_line": "Existing dimension (library) \u00b7 Role\u2194dimension saved",
        "role_dimension_saved": true,
        "roles_from_db": [
          {
            "display_name": "Backend Developer",
            "id": 1,
            "rationale": null,
            "role_archetype": "A Backend Engineer designs, builds, and maintains the server-side logic and data handling that power applications and services. They focus on implementing reliable business functionality, integrating with other systems, and ensuring the backend is scalable, maintainable, and observable.",
            "slug": "backend-engineer",
            "source": "db"
          },
          {
            "display_name": "Fullstack Developer",
            "id": 435,
            "rationale": null,
            "role_archetype": "Engineering",
            "slug": "fullstack-developer",
            "source": "db"
          },
          {
            "display_name": "Fullstack Developer",
            "id": 15,
            "rationale": null,
            "role_archetype": null,
            "slug": "full-stack-engineer",
            "source": "db"
          },
          {
            "display_name": "Java Backend Developer",
            "id": 79,
            "rationale": null,
            "role_archetype": "Engineering",
            "slug": "java-backend-developer",
            "source": "db"
          },
          {
            "display_name": "Node.js Backend Developer",
            "id": 82,
            "rationale": null,
            "role_archetype": "Engineering",
            "slug": "node-backend-developer",
            "source": "db"
          },
          {
            "display_name": "PHP Backend Developer",
            "id": 86,
            "rationale": null,
            "role_archetype": "Engineering",
            "slug": "php-backend-developer",
            "source": "db"
          },
          {
            "display_name": "Python Backend Developer",
            "id": 80,
            "rationale": null,
            "role_archetype": "Engineering",
            "slug": "python-backend-developer",
            "source": "db"
          }
        ],
        "skill_dimension_saved": true,
        "skill_id": 10,
        "skill_tag": "in_db",
        "skipped_reason": null
      },
      {
        "chosen_role_id": 1,
        "dimension": {
          "difficulty_hint": "well_known",
          "display_name": "Programming Languages and Scripting",
          "id": 59,
          "rationale": "Languages used to write security automation, analysis scripts, detection logic, and remediation helpers. This is the primary implementation surface for a cybersecurity engineer across tooling and response workflows.",
          "slug": "programming-languages-and-scripting",
          "source": "db"
        },
        "dimension_id": 59,
        "input_skill": "Ruby",
        "llm_role": null,
        "matched_chosen_role": false,
        "outcome_line": "Existing dimension (library) \u00b7 Role\u2194dimension skipped (dimension not under chosen role)",
        "role_dimension_saved": false,
        "roles_from_db": [
          {
            "display_name": "Cyber Security Engineer",
            "id": 5,
            "rationale": null,
            "role_archetype": null,
            "slug": "cybersecurity-engineer",
            "source": "db"
          }
        ],
        "skill_dimension_saved": true,
        "skill_id": 300,
        "skill_tag": "in_db",
        "skipped_reason": null
      },
      {
        "chosen_role_id": 1,
        "dimension": {
          "difficulty_hint": "well_known",
          "display_name": "Ruby Language and Syntax",
          "id": 415,
          "rationale": "Core Ruby implementation skills used to build backend business logic, helpers, and service internals. This is the primary coding surface for the role and includes idiomatic Ruby used in production codebases.",
          "slug": "ruby-language-and-syntax",
          "source": "db"
        },
        "dimension_id": 415,
        "input_skill": "Ruby",
        "llm_role": null,
        "matched_chosen_role": false,
        "outcome_line": "Existing dimension (library) \u00b7 Role\u2194dimension skipped (dimension not under chosen role)",
        "role_dimension_saved": false,
        "roles_from_db": [
          {
            "display_name": "Ruby Backend Developer",
            "id": 85,
            "rationale": null,
            "role_archetype": "Engineering",
            "slug": "ruby-backend-developer",
            "source": "db"
          }
        ],
        "skill_dimension_saved": true,
        "skill_id": 300,
        "skill_tag": "in_db",
        "skipped_reason": null
      },
      {
        "chosen_role_id": 1,
        "dimension": {
          "difficulty_hint": "well_known",
          "display_name": "Relational Data Modeling",
          "id": 216,
          "rationale": "Modeling and tuning relational persistence for backend features. PHP backend developers need this to shape schemas, indexes, transactions, and query-aware data structures that support application behavior.",
          "slug": "relational-data-modeling",
          "source": "db"
        },
        "dimension_id": 216,
        "input_skill": "MySQL",
        "llm_role": null,
        "matched_chosen_role": false,
        "outcome_line": "Existing dimension (library) \u00b7 Role\u2194dimension skipped (dimension not under chosen role)",
        "role_dimension_saved": false,
        "roles_from_db": [
          {
            "display_name": "Fullstack Developer",
            "id": 435,
            "rationale": null,
            "role_archetype": "Engineering",
            "slug": "fullstack-developer",
            "source": "db"
          },
          {
            "display_name": "Fullstack Developer",
            "id": 15,
            "rationale": null,
            "role_archetype": null,
            "slug": "full-stack-engineer",
            "source": "db"
          },
          {
            "display_name": "PHP Backend Developer",
            "id": 86,
            "rationale": null,
            "role_archetype": "Engineering",
            "slug": "php-backend-developer",
            "source": "db"
          }
        ],
        "skill_dimension_saved": true,
        "skill_id": 17,
        "skill_tag": "in_db",
        "skipped_reason": null
      },
      {
        "chosen_role_id": 1,
        "dimension": {
          "difficulty_hint": "well_known",
          "display_name": "Relational Database Design",
          "id": 4,
          "rationale": "Modeling and operating relational persistence for backend services. Includes schema design, normalization, indexing, transactions, and query tuning for operational data stores.",
          "slug": "relational-database-design",
          "source": "db"
        },
        "dimension_id": 4,
        "input_skill": "MySQL",
        "llm_role": null,
        "matched_chosen_role": true,
        "outcome_line": "Existing dimension (library) \u00b7 Role\u2194dimension saved",
        "role_dimension_saved": true,
        "roles_from_db": [
          {
            "display_name": ".NET Backend Developer",
            "id": 83,
            "rationale": null,
            "role_archetype": "Engineering",
            "slug": "dotnet-backend-developer",
            "source": "db"
          },
          {
            "display_name": "Backend Developer",
            "id": 1,
            "rationale": null,
            "role_archetype": "A Backend Engineer designs, builds, and maintains the server-side logic and data handling that power applications and services. They focus on implementing reliable business functionality, integrating with other systems, and ensuring the backend is scalable, maintainable, and observable.",
            "slug": "backend-engineer",
            "source": "db"
          },
          {
            "display_name": "Kotlin Backend Developer",
            "id": 84,
            "rationale": null,
            "role_archetype": "Engineering",
            "slug": "kotlin-server-backend-developer",
            "source": "db"
          },
          {
            "display_name": "Node.js Backend Developer",
            "id": 82,
            "rationale": null,
            "role_archetype": "Engineering",
            "slug": "node-backend-developer",
            "source": "db"
          },
          {
            "display_name": "Python Backend Developer",
            "id": 80,
            "rationale": null,
            "role_archetype": "Engineering",
            "slug": "python-backend-developer",
            "source": "db"
          },
          {
            "display_name": "Ruby Backend Developer",
            "id": 85,
            "rationale": null,
            "role_archetype": "Engineering",
            "slug": "ruby-backend-developer",
            "source": "db"
          },
          {
            "display_name": "Scala Backend Developer",
            "id": 87,
            "rationale": null,
            "role_archetype": "Engineering",
            "slug": "scala-backend-developer",
            "source": "db"
          }
        ],
        "skill_dimension_saved": true,
        "skill_id": 17,
        "skill_tag": "in_db",
        "skipped_reason": null
      },
      {
        "chosen_role_id": 1,
        "dimension": {
          "difficulty_hint": "well_known",
          "display_name": "Relational Database Usage",
          "id": 371,
          "rationale": "Working effectively with operational relational databases from Go backend services. This includes schema-aware querying, indexing awareness, transactions, and understanding how service code interacts with PostgreSQL or similar systems.",
          "slug": "relational-database-usage",
          "source": "db"
        },
        "dimension_id": 371,
        "input_skill": "MySQL",
        "llm_role": null,
        "matched_chosen_role": false,
        "outcome_line": "Existing dimension (library) \u00b7 Role\u2194dimension skipped (dimension not under chosen role)",
        "role_dimension_saved": false,
        "roles_from_db": [
          {
            "display_name": "Go Backend Developer",
            "id": 81,
            "rationale": null,
            "role_archetype": "Engineering",
            "slug": "go-backend-developer",
            "source": "db"
          }
        ],
        "skill_dimension_saved": true,
        "skill_id": 17,
        "skill_tag": "in_db",
        "skipped_reason": null
      },
      {
        "chosen_role_id": 1,
        "dimension": {
          "difficulty_hint": "well_known",
          "display_name": "Application Frameworks \u0026 Libraries",
          "id": 451,
          "rationale": "Covers the primary software frameworks and libraries often used alongside Sitecore for building and enhancing site experiences.",
          "slug": "application-frameworks-libraries",
          "source": "db"
        },
        "dimension_id": 451,
        "input_skill": "jQuery",
        "llm_role": null,
        "matched_chosen_role": false,
        "outcome_line": "Existing dimension (library) \u00b7 Role\u2194dimension skipped (dimension not under chosen role)",
        "role_dimension_saved": false,
        "roles_from_db": [
          {
            "display_name": "Sitecore Dev",
            "id": 233,
            "rationale": null,
            "role_archetype": "Engineering",
            "slug": "sitecore-dev",
            "source": "db"
          }
        ],
        "skill_dimension_saved": true,
        "skill_id": 1968,
        "skill_tag": "in_db",
        "skipped_reason": null
      },
      {
        "chosen_role_id": 1,
        "dimension": {
          "difficulty_hint": "well_known",
          "display_name": "Frameworks \u0026 Libraries",
          "id": 360,
          "rationale": "Manage adoption, integration, and best practices around key software frameworks and libraries.",
          "slug": "frameworks-libraries",
          "source": "db"
        },
        "dimension_id": 360,
        "input_skill": "jQuery",
        "llm_role": null,
        "matched_chosen_role": false,
        "outcome_line": "Existing dimension (library) \u00b7 Role\u2194dimension skipped (dimension not under chosen role)",
        "role_dimension_saved": false,
        "roles_from_db": [
          {
            "display_name": "Drupal Dev",
            "id": 228,
            "rationale": null,
            "role_archetype": "Engineering",
            "slug": "drupal-dev",
            "source": "db"
          },
          {
            "display_name": "Engineering Manager",
            "id": 121,
            "rationale": null,
            "role_archetype": null,
            "slug": "engineering-manager",
            "source": "db"
          }
        ],
        "skill_dimension_saved": true,
        "skill_id": 1968,
        "skill_tag": "in_db",
        "skipped_reason": null
      },
      {
        "chosen_role_id": 1,
        "dimension": {
          "difficulty_hint": "well_known",
          "display_name": "JavaScript Checkout Behavior",
          "id": 393,
          "rationale": "Client-side behavior used to customize Magento storefront interactions, especially checkout and account flows. This includes Magento\u0027s browser-side component model and form behavior where commerce logic is implemented in the UI.",
          "slug": "javascript-checkout-behavior",
          "source": "db"
        },
        "dimension_id": 393,
        "input_skill": "jQuery",
        "llm_role": null,
        "matched_chosen_role": false,
        "outcome_line": "Existing dimension (library) \u00b7 Role\u2194dimension skipped (dimension not under chosen role)",
        "role_dimension_saved": false,
        "roles_from_db": [
          {
            "display_name": "Magento Dev",
            "id": 231,
            "rationale": null,
            "role_archetype": "Engineering",
            "slug": "magento-dev",
            "source": "db"
          }
        ],
        "skill_dimension_saved": true,
        "skill_id": 1968,
        "skill_tag": "in_db",
        "skipped_reason": null
      },
      {
        "chosen_role_id": 1,
        "dimension": {
          "difficulty_hint": "well_known",
          "display_name": "Storefront JavaScript and DOM Behavior",
          "id": 422,
          "rationale": "Client-side behavior used to enhance Shopify storefront interactions beyond static theme rendering. This includes interactive UI logic, event handling, and progressive enhancement within theme constraints.",
          "slug": "storefront-javascript-and-dom-behavior",
          "source": "db"
        },
        "dimension_id": 422,
        "input_skill": "jQuery",
        "llm_role": null,
        "matched_chosen_role": false,
        "outcome_line": "Existing dimension (library) \u00b7 Role\u2194dimension skipped (dimension not under chosen role)",
        "role_dimension_saved": false,
        "roles_from_db": [
          {
            "display_name": "Shopify Dev",
            "id": 230,
            "rationale": null,
            "role_archetype": "Engineering",
            "slug": "shopify-dev",
            "source": "db"
          }
        ],
        "skill_dimension_saved": true,
        "skill_id": 1968,
        "skill_tag": "in_db",
        "skipped_reason": null
      },
      {
        "chosen_role_id": 1,
        "dimension": {
          "difficulty_hint": "well_known",
          "display_name": "Web UI \u0026 Integration Frameworks",
          "id": 268,
          "rationale": "Client-side and integration frameworks and libraries used to extend Pega solutions.",
          "slug": "web-ui-integration-frameworks",
          "source": "db"
        },
        "dimension_id": 268,
        "input_skill": "jQuery",
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