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Pipeline run

4e6584a8-58d2-4a11-a2bd-a0e5b9735ec8

Pipeline LLM cost (USD)
API 1: $0.0122 API 2: $0.0004 API 3: $0.0000 Total: $0.0125

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 · Backend reliability and observability
Build and maintain Java/Spring/Hibernate applications across design, coding, testing, release, and support, with a focus on fixing failures, improving performance/availability, and troubleshooting customer issues.
"Analyze, validate and propose improvements to existing failures"
Tech stack maturity
Mainstream Modern
The skill set centers on established Java backend technologies such as Spring, Hibernate, Maven, and JVM concurrency, which are typical of a mainstream modern enterprise stack rather than cloud-native or bleeding-edge.
AI index (0 = no AI use, 5 = totally AI-dependent · v2.1)
0.20 / 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): AI
Evidence — skills matched in JD (21)
Java Spring Hibernate OOP Ant Maven Git Design Patterns Spring Core JSP Servlets Collections Generics Multithreading Synchronization Serialization JVM File I/O Spring ORM Spring DAO Spring AOP
Skill cluster (8 dimension groups, role-scoped)
Concurrency and Parallel Processing
Multithreading Synchronization
Build and Dependency Management
Maven
C# and .NET Languages
Generics
Java Language and JVM
JVM
ORMs and Data Access Layers
Hibernate
Programming Languages
Java
Web Application Frameworks
Spring
Cross-cutting / unaligned
OOP Ant Git Design Patterns Spring Core JSP Servlets Collections Serialization File I/O Spring ORM Spring DAO Spring AOP
Show KRA description ↓
As a Software Developer you'll participate in many aspects of the software development lifecycle, such as design, code implementation, testing, and support. You will create software that enables your clients' hybrid-cloud and AI journeys. You'll have the opportunity to work with the latest technologies, ensuring the applications delivered are high performing, highly available, responsive, and maintainable. • Analytical Problem-Solving and Solution Enhancement: Analyze, validate and propose improvements to existing failures, with the support of the architect and technical leader. • Comprehensive Engagement Across Process Phases: Involvement in every step of the process, from design, development, testing release changes and troubleshoot where necessary, providing a great customer service. • Strategic Stakeholder Engagement and Innovative Coding Solutions: Drive key discussions with your stakeholders and analyze the current landscape for opportunities to operate and code creative solutions. • BE / B Tech in any stream, M.Sc. (Computer Science/IT) / M.C.A, with Minimum 3-5 years of experience with software development. • Experience in have working knowledge on Java 8 or higher. • Proven working experience on both Spring and Hibernate (Spring 4 or above). • Experience in knowing OOP concepts well. • Should be proficient in Exception Handling, Collections, Abstract Classes and Interfaces, Constructors, File IO (Input/Output) and Serialization, Collections (List, Map, Set), Access Specifiers, Exceptions (Checked, Unchecked), Generics, Java Keywords (Static, Final, Volatile, Synchronized, Transient), JVM (Java Virtual Machine) and Memory Management, Multithreading and Synchronization, JSP (Java Server Page)/ Servlets • Should be conversant with Build tools like Ant, Maven and Git • Must have experience on Design patterns and Optimize usage. • Proven work experience on Spring Core, Spring ORM, Spring DAO, Spring AOP, Hibernate would be an added advantage

Signals

Skill java-backend-developer
0.44
Alias
KRA devops-engineer
0.48

Post-classification

Centroidupdated · n=600
Alias collision log
New-role queue
New skills captured9
New KRA captured

Captured for admin review

OOP primary Backend Developer pending
Ant primary Backend Developer pending
Spring Core primary Backend Developer pending
Spring ORM Backend Developer pending
Spring DAO Backend Developer pending
Spring AOP Backend Developer pending
JSP primary Backend Developer pending
Servlets primary Backend Developer pending
File I/O primary Backend Developer pending
Status: completed Created: 2026-05-27T14:38:11.192269Z Updated: 2026-06-12T17:26:22.043388Z API 3 duration: 51234 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

Java Backend Developer

sub-role · 0.99 domain · Software Engineering CASE DOMAIN

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

Domain=Software Engineering → sub-role java-backend-developer; The JD is centered on Java/Spring/Hibernate server-side software development, testing, support, and troubleshooting, which best matches a backend developer role.

Matched skills

Java 8SpringHibernateOOP conceptsException HandlingCollectionsAbstract Classes and InterfacesConstructorsFile IOSerializationGenericsJVMMemory ManagementMultithreading and SynchronizationJSP/ Servlets

Matched dimensions

Backend Software DevelopmentSoftware Development LifecycleSolution EnhancementTesting and Release SupportStakeholder CollaborationMaintainable High-Performance ApplicationsJava Enterprise Development

Matched KRAs

participate in many aspects of the software development lifecyclecreate software that enables your clients' hybrid-cloud and AI journeysdesign, code implementation, testing, and supportanalyze, validate and propose improvements to existing failuresinvolvement in every step of the processtroubleshoot where necessarydrive key discussions with your stakeholders

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
0
Skipped

Job description

Introduction

A career in IBM Consulting is rooted by long-term relationships and close collaboration with clients across the globe.

You'll work with visionaries across multiple industries to improve the hybrid cloud and AI journey for the most innovative and valuable companies in the world. Your ability to accelerate impact and make meaningful change for your clients is enabled by our strategic partner ecosystem and our robust technology platforms across the IBM portfolio; including Software and Red Hat.

Curiosity and a constant quest for knowledge serve as the foundation to success in IBM Consulting. In your role, you'll be encouraged to challenge the norm, investigate ideas outside of your role, and come up with creative solutions resulting in ground breaking impact for a wide network of clients. Our culture of evolution and empathy centers on long-term career growth and development opportunities in an environment that embraces your unique skills and experience.

Your Role And Responsibilities

As a Software Developer you'll participate in many aspects of the software development lifecycle, such as design, code implementation, testing, and support. You will create software that enables your clients' hybrid-cloud and AI journeys.

You'll have the opportunity to work with the latest technologies, ensuring the applications delivered are high performing, highly available, responsive, and maintainable.

Your Primary Responsibilities Include

• Analytical Problem-Solving and Solution Enhancement: Analyze, validate and propose improvements to existing failures, with the support of the architect and technical leader.
• Comprehensive Engagement Across Process Phases: Involvement in every step of the process, from design, development, testing release changes and troubleshoot where necessary, providing a great customer service.
• Strategic Stakeholder Engagement and Innovative Coding Solutions: Drive key discussions with your stakeholders and analyze the current landscape for opportunities to operate and code creative solutions.


Preferred Education

Master's Degree

Required Technical And Professional Expertise

• BE / B Tech in any stream, M.Sc. (Computer Science/IT) / M.C.A, with Minimum 3-5 years of experience with software development.
• Experience in have working knowledge on Java 8 or higher.
• Proven working experience on both Spring and Hibernate (Spring 4 or above).
• Experience in knowing OOP concepts well.
• Should be proficient in Exception Handling, Collections, Abstract Classes and Interfaces, Constructors, File IO (Input/Output) and Serialization, Collections (List, Map, Set), Access Specifiers, Exceptions (Checked, Unchecked), Generics, Java Keywords (Static, Final, Volatile, Synchronized, Transient), JVM (Java Virtual Machine) and Memory Management, Multithreading and Synchronization, JSP (Java Server Page)/ Servlets


Preferred Technical And Professional Experience

• Should be conversant with Build tools like Ant, Maven and Git
• Must have experience on Design patterns and Optimize usage.
• Proven work experience on Spring Core, Spring ORM, Spring DAO, Spring AOP, Hibernate would be an added advantage

Skills from this JD

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

Java Primary Library skill API 3: existing canonical (in_db) Existing skill (matched library)
Canonical: Java id=1 · java

Aliases — catalog

  • Java (CANONICAL) primary
  • JDK (VERSION)
  • JDK 10 (VERSION)
  • JDK 11 (VERSION)
  • JDK 12 (VERSION)
  • JDK 13 (VERSION)
  • JDK 14 (VERSION)
  • JDK 15 (VERSION)
  • JDK 16 (VERSION)
  • JDK 17 (VERSION)
  • JDK 18 (VERSION)
  • JDK 19 (VERSION)
  • JDK 20 (VERSION)
  • JDK 21 (VERSION)
  • JDK 5 (VERSION)
  • JDK 6 (VERSION)
  • JDK 7 (VERSION)
  • JDK 8 (VERSION)
  • JDK 9 (VERSION)
  • Java 1.0 (VERSION)
  • Java 1.1 (VERSION)
  • Java 1.2 (VERSION)
  • Java 1.3 (VERSION)
  • Java 1.4 (VERSION)
  • Java 1.5 (VERSION)
  • Java 1.6 (VERSION)
  • Java 1.7 (VERSION)
  • Java 1.8 (VERSION)
  • Java 10 (VERSION)
  • Java 11 (VERSION)
  • Java 12 (VERSION)
  • Java 13 (VERSION)
  • Java 14 (VERSION)
  • Java 15 (VERSION)
  • Java 16 (VERSION)
  • Java 17 (VERSION)
  • Java 18 (VERSION)
  • Java 19 (VERSION)
  • Java 20 (VERSION)
  • Java 21 (VERSION)
  • Java 5 (VERSION)
  • Java 6 (VERSION)
  • Java 7 (VERSION)
  • Java 8 (VERSION)
  • Java 9 (VERSION)
  • Java11 (VERSION)
  • Java17 (VERSION)
  • Java21 (VERSION)
  • Java8 (VERSION)
  • OpenJDK 11 (VERSION)
  • OpenJDK 17 (VERSION)
  • OpenJDK 21 (VERSION)
  • OpenJDK 8 (VERSION)
  • java 11 (VERSION)
  • java 17 (VERSION)
  • java 21 (VERSION)
  • java 4 (VERSION)
  • java 5 (VERSION)
  • java 6 (VERSION)
  • java 7 (VERSION)
  • java 8 (VERSION)
  • java lts (VERSION)
  • java-11 (VERSION)
  • java-17 (VERSION)
  • java-21 (VERSION)
  • java-4 (VERSION)
  • java-5 (VERSION)
  • java-6 (VERSION)
  • java-7 (VERSION)
  • java-8 (VERSION)
  • java11 (VERSION)
  • java17 (VERSION)
  • java21 (VERSION)
  • java4 (VERSION)
  • java5 (VERSION)
  • java6 (VERSION)
  • java7 (VERSION)
  • java8 (VERSION)
  • jdk 11 (VERSION)
  • jdk 17 (VERSION)
  • jdk 21 (VERSION)
  • jdk 4 (VERSION)
  • jdk 5 (VERSION)
  • jdk 6 (VERSION)
  • jdk 7 (VERSION)
  • jdk 8 (VERSION)
  • jdk11 (VERSION)
  • jdk17 (VERSION)
  • jdk21 (VERSION)
  • jdk4 (VERSION)
  • jdk5 (VERSION)
  • jdk6 (VERSION)
  • jdk7 (VERSION)
  • jdk8 (VERSION)
  • jvm21 (VERSION)

Context tags (catalog)

APIs Apache Tomcat Concurrency Design patterns Garbage collection GraalVM Gradle Hibernate JDBC JDK JPA JUnit JVM Java 8 Java EE JavaFX Kafka Lambda expressions Maven Microservices Mockito Object-oriented REST RESTful SOAP Servlets Spring Spring Boot Tomcat microservices

Stored enrichment (catalog DB)

Category
Language
Sub-category
Programming Language
Vendor
Oracle
License
other_open
Year introduced
1995
Confidence
0.99
Version strategy
SEPARATE_ENTITY
Version tag
21

Maturity reasoning: Java is a hiring-pipeline staple with very high JD volume across enterprise backend, Android, and cloud roles; it remains widely supported by major vendors and frameworks like Spring.

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)

  • Java Language and JVM Catalog dimension db id 279

    Library dimension (catalog)

    Roles linked in library: Java Backend Developer, Kotlin Backend Developer, Scala Backend Developer

  • Kotlin and Java Catalog dimension db id 161

    Library dimension (catalog)

    Roles linked in library: Android Developer

  • Native Mobile Languages Catalog dimension db id 274

    Library dimension (catalog)

    Roles linked in library: Native Mobile Developer

  • 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 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
Java Language and JVM
java-language-and-jvm
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
Kotlin and Java
kotlin-and-java
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
Native Mobile Languages
native-mobile-languages
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 for Data Work
programming-languages-for-data-work
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
Spring Primary Library skill API 3: existing canonical (in_db) Existing skill (matched library)
Canonical: Spring id=1630 · spring

Aliases — catalog

  • Spring (CANONICAL)
  • Spring 4 (VERSION)
  • Spring 4.x (VERSION)
  • Spring 5 (VERSION)
  • Spring 5.x (VERSION)
  • Spring 6 (VERSION)
  • Spring 6.x (VERSION)
  • Spring Framework 4 (VERSION)
  • Spring Framework 5 (VERSION)
  • Spring Framework 6 (VERSION)

Context tags (catalog)

Application Context Aspect-Oriented Programming Bean Lifecycle Dependency Injection Hibernate JPA Microservices RESTful Services Spring Batch Spring Boot Spring Cloud Spring Data Spring MVC Spring Security Thymeleaf

Stored enrichment (catalog DB)

Category
Framework
Sub-category
Java Application Framework
Vendor
Pivotal Software
License
apache_2
Year introduced
2003
Confidence
0.98
Version strategy
SEPARATE_ENTITY
Version tag
6

Maturity reasoning: Spring is a hiring-pipeline staple in Java backend JDs across major job boards, and Spring Boot is the default framework in many enterprise and cloud-native stacks.

Skill profile (library / DB)

Skill nature
FRAMEWORK
Volatility
STABLE
Typical lifespan
EVERGREEN
Category id
5
Sub-category id
1228
Extractable
True
Also category
False

Dimensions (API 2 worklist)

  • 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
Web Application Frameworks
web-application-frameworks
Existing dimension (library) · Role↔dimension saved
Hibernate Primary Library skill API 3: existing canonical (in_db) Existing skill (matched library)
Canonical: Hibernate id=21 · hibernate

Aliases — catalog

  • Hibernate (CANONICAL) primary

Context tags (catalog)

C3P0 Criteria API EntityManager HQL Hibernate Validator JPA JPQL ORM SQL Spring Spring Data Spring Data JPA annotations caching cascade criteria criteria API database dialect entity fetching first-level cache flush lazy loading mapping mapping files mappings merge persistence persistence context second-level cache session session factory transaction transaction management transactions

Stored enrichment (catalog DB)

Category
Library
Sub-category
Orm Library
Vendor
Red Hat
License
gpl_v2
Year introduced
2001
Confidence
0.98
Version strategy
NOT_APPLICABLE

Maturity reasoning: Hibernate remains a common Java ORM in enterprise job postings and is still widely used in Spring/JPA stacks; no vendor sunset or clear replacement has displaced it.

Skill profile (library / DB)

Skill nature
LIBRARY
Volatility
STABLE
Typical lifespan
EVERGREEN
Category id
7
Sub-category id
39
Extractable
True
Also category
False

Dimensions (API 2 worklist)

  • Application ORM and Repository-Based Data Access Catalog dimension db id 459

    Library dimension (catalog)

    Roles linked in library: Scala Backend Developer

  • ORMs and Data Access Layers Catalog dimension db id 5

    Library dimension (catalog)

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

API 3 link attempts (this skill)

Dimension Skill↔dim Role↔dim Outcome
Application ORM and Repository-Based Data Access
application-orm-and-repository-based-data-access
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
ORMs and Data Access Layers
orms-and-data-access-layers
Existing dimension (library) · Role↔dimension saved
OOP 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
Concepts
Sub-category
general
Skill nature
CONCEPT
Volatility
STABLE
Typical lifespan
EVERGREEN
Version strategy
UNVERSIONED
Ant 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
Build Tools
Sub-category
general
Skill nature
TOOL
Volatility
MEDIUM
Typical lifespan
MULTI_YEAR
Version strategy
UNVERSIONED
Maven Primary Library skill API 3: existing canonical (in_db) Existing skill (matched library)
Canonical: Maven id=815 · maven

Aliases — catalog

  • Maven (CANONICAL) primary

Context tags (catalog)

CI/CD JAR Java Maven Central artifact build automation build lifecycle dependency management integration testing multi-module plugins pom.xml project object model release management repository site generation versioning

Stored enrichment (catalog DB)

Category
Tool
Sub-category
Build Tool
Vendor
Apache Software Foundation
License
apache_2
Year introduced
2004
Confidence
0.95
Version strategy
NOT_APPLICABLE

Maturity reasoning: Maven remains a standard Java build tool, appearing in many Java/JVM job descriptions and widely used in enterprise CI/CD pipelines alongside Gradle.

Skill profile (library / DB)

Skill nature
TOOL
Volatility
STABLE
Typical lifespan
EVERGREEN
Category id
13
Sub-category id
358
Extractable
True
Also category
False

Dimensions (API 2 worklist)

  • Build and Dependency Management Catalog dimension db id 286

    Library dimension (catalog)

    Roles linked in library: Java Backend Developer

  • Build and Packaging Tooling Catalog dimension db id 149

    Library dimension (catalog)

    Roles linked in library: DevOps Engineer, Ionic Developer

API 3 link attempts (this skill)

Dimension Skill↔dim Role↔dim Outcome
Build and Dependency Management
build-and-dependency-management
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
Build and Packaging Tooling
build-and-packaging-tooling
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
Git Primary Library skill API 3: existing canonical (in_db) Existing skill (matched library)
Canonical: Git id=1002 · git

Aliases — catalog

  • Git (CANONICAL)

Context tags (catalog)

CI/CD GitHub GitLab branching checkout clone commit fork merging pull request rebase remote repository stash versioning

Stored enrichment (catalog DB)

Category
Tool
Sub-category
Version Control Tool
Vendor
Linus Torvalds
License
gpl_v2
Year introduced
2005
Confidence
0.99
Version strategy
NOT_APPLICABLE

Maturity reasoning: Git is a hiring-pipeline staple: it appears in the vast majority of software engineering job descriptions and is the default VCS on GitHub/GitLab/Bitbucket.

Skill profile (library / DB)

Skill nature
TOOL
Volatility
STABLE
Typical lifespan
EVERGREEN
Category id
13
Sub-category id
730
Extractable
True
Also category
False

Dimensions (API 2 worklist)

  • React Frontend Development Catalog dimension db id 96

    Library dimension (catalog)

API 3 link attempts (this skill)

Dimension Skill↔dim Role↔dim Outcome
React Frontend Development
d_init_01
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
Design Patterns Primary Library skill API 3: existing canonical (in_db) Existing skill (matched library)
Canonical: design patterns id=1654 · design-patterns

Aliases — catalog

  • design patterns (CANONICAL)

Context tags (catalog)

Adapter Builder Command Composite Decorator Dependency Injection Facade Factory MVC Observer Prototype SOLID Singleton Strategy Visitor

Stored enrichment (catalog DB)

Category
Concept
Sub-category
Software Design Patterns
Confidence
0.94
Version strategy
NOT_APPLICABLE

Maturity reasoning: Design patterns are a standard interview/JD topic across backend and frontend roles; job postings commonly mention them alongside OOP and system design, and they remain core in books, courses, and code reviews.

Skill profile (library / DB)

Skill nature
CONCEPT
Volatility
STABLE
Typical lifespan
EVERGREEN
Category id
2
Sub-category id
1247
Extractable
True
Also category
False

Dimensions (API 2 worklist)

  • React Frontend Development Catalog dimension db id 96

    Library dimension (catalog)

API 3 link attempts (this skill)

Dimension Skill↔dim Role↔dim Outcome
React Frontend Development
d_init_01
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
Spring Core 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
Spring ORM 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
Spring DAO 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
Spring AOP 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
JSP 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 Technologies
Sub-category
general
Skill nature
LANGUAGE
Volatility
MEDIUM
Typical lifespan
MULTI_YEAR
Version strategy
UNVERSIONED
Servlets 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 Technologies
Sub-category
general
Skill nature
CONCEPT
Volatility
MEDIUM
Typical lifespan
MULTI_YEAR
Version strategy
UNVERSIONED
Collections Primary Library skill API 3: existing canonical (in_db) Existing skill (matched library)
Canonical: Collections id=3723 · collections

Aliases — catalog

  • Collections (CANONICAL) primary

Context tags (catalog)

array comprehension dictionary filtering hashmap immutable iterable list map mutable nested queue reduce set sorting stack

Stored enrichment (catalog DB)

Category
Concept
Sub-category
Data Structure Concept
Confidence
0.70
Version strategy
NOT_APPLICABLE

Maturity reasoning: Core data-structure concept appears in most software engineering JDs and interview loops; widely used across languages and frameworks, with no sunset or replacement signal.

Skill profile (library / DB)

Skill nature
CONCEPT
Volatility
STABLE
Typical lifespan
EVERGREEN
Category id
2
Sub-category id
2874
Extractable
True
Also category
False

Dimensions (API 2 worklist)

  • Magento Data Models and Repositories Catalog dimension db id 400

    Library dimension (catalog)

    Roles linked in library: Magento Dev

API 3 link attempts (this skill)

Dimension Skill↔dim Role↔dim Outcome
Magento Data Models and Repositories
magento-data-models-and-repositories
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
Generics Primary Library skill API 3: existing canonical (in_db) Existing skill (matched library)
Canonical: generics id=2211 · generics

Aliases — catalog

  • generics (CANONICAL) primary
  • Generics (CANONICAL)

Context tags (catalog)

C++ templates Go interfaces Java generics Rust traits bounded types collections contravariance covariance generic algorithms generic programming interfaces parametric polymorphism polymorphism template templates type classes type constraints type erasure type inference type parameters type safety variance

Stored enrichment (catalog DB)

Category
Concept
Sub-category
Type Parameterization Concept
Confidence
0.96
Version strategy
NOT_APPLICABLE

Maturity reasoning: Generics are a standard language feature in Java, C#, TypeScript, Go and Rust, and appear routinely in job descriptions for backend and frontend roles; no vendor sunset or replacement trend exists.

Skill profile (library / DB)

Skill nature
CONCEPT
Volatility
STABLE
Typical lifespan
EVERGREEN
Category id
2
Sub-category id
2523
Extractable
True
Also category
False

Dimensions (API 2 worklist)

  • C# and .NET Languages Catalog dimension db id 362

    Library dimension (catalog)

    Roles linked in library: .NET Backend Developer

  • Java Language and JVM Catalog dimension db id 279

    Library dimension (catalog)

    Roles linked in library: Java Backend Developer, Kotlin Backend Developer, Scala Backend 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

API 3 link attempts (this skill)

Dimension Skill↔dim Role↔dim Outcome
C# and .NET Languages
c-and-net-languages
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
Java Language and JVM
java-language-and-jvm
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)
Multithreading Primary Library skill API 3: existing canonical (in_db) Existing skill (matched library)
Canonical: multithreading id=82 · multithreading

Aliases — catalog

  • multithreading (CANONICAL) primary

Context tags (catalog)

atomic operations concurrent execution condition variable deadlock lock contention mutex non-blocking parallelism producer-consumer race condition semaphore synchronization thread pool thread-safe work stealing

Stored enrichment (catalog DB)

Category
Concept
Sub-category
Concurrency Concept
Confidence
0.94
Version strategy
NOT_APPLICABLE

Maturity reasoning: Common requirement in JDs for backend, systems, and mobile roles; widely taught and used across Java, C++, Go, and Python concurrency stacks.

Skill profile (library / DB)

Skill nature
CONCEPT
Volatility
STABLE
Typical lifespan
EVERGREEN
Category id
2
Sub-category id
7
Extractable
True
Also category
False

Dimensions (API 2 worklist)

  • Concurrency and Parallel Processing Catalog dimension db id 17

    Library dimension (catalog)

    Roles linked in library: Backend Developer, Java Backend Developer, Node.js Backend Developer, Ruby Backend Developer, Scala Backend Developer

API 3 link attempts (this skill)

Dimension Skill↔dim Role↔dim Outcome
Concurrency and Parallel Processing
concurrency-and-parallel-processing
Existing dimension (library) · Role↔dimension saved
Synchronization Primary Library skill API 3: existing canonical (in_db) Existing skill (matched library)
Canonical: synchronization id=4540 · synchronization

Aliases — catalog

  • synchronization (CANONICAL) primary

Context tags (catalog)

asynchronous programming atomic operations barrier condition variable critical section deadlock event-driven lock-free mutex parallel processing race condition semaphore synchronization primitives task scheduling thread safety

Stored enrichment (catalog DB)

Category
Concept
Sub-category
Concurrency Concept
Confidence
0.96
Version strategy
NOT_APPLICABLE

Maturity reasoning: Core concurrency concept in CS and widely expected in backend/systems JDs; appears across Java, Go, C++, and distributed systems roles rather than as a niche tool.

Skill profile (library / DB)

Skill nature
CONCEPT
Volatility
STABLE
Typical lifespan
EVERGREEN
Category id
2
Sub-category id
7
Extractable
True
Also category
False

Dimensions (API 2 worklist)

  • Concurrency and Parallel Processing Catalog dimension db id 17

    Library dimension (catalog)

    Roles linked in library: Backend Developer, Java Backend Developer, Node.js Backend Developer, Ruby Backend Developer, Scala Backend Developer

API 3 link attempts (this skill)

Dimension Skill↔dim Role↔dim Outcome
Concurrency and Parallel Processing
concurrency-and-parallel-processing
Existing dimension (library) · Role↔dimension saved
Serialization Primary Library skill API 3: existing canonical (in_db) Existing skill (matched library)
Canonical: serialization id=4161 · serialization

Aliases — catalog

  • serialization (CANONICAL) primary

Context tags (catalog)

API communication JSON XML YAML binary serialization data encoding data interchange data persistence deserialization message passing object mapping protobuf schema serialization format serialization library

Stored enrichment (catalog DB)

Category
Concept
Sub-category
Serialization
Confidence
0.90
Version strategy
NOT_APPLICABLE

Maturity reasoning: Serialization is a core concept in many JDs for APIs, microservices, and data interchange; common implementations like JSON/Protobuf/Avro are widely used across backend stacks.

Skill profile (library / DB)

Skill nature
CONCEPT
Volatility
STABLE
Typical lifespan
EVERGREEN
Category id
2
Sub-category id
3276
Extractable
True
Also category
False

Dimensions (API 2 worklist)

  • Sitecore Integration Patterns Catalog dimension db id 444

    Library dimension (catalog)

    Roles linked in library: Sitecore Dev

API 3 link attempts (this skill)

Dimension Skill↔dim Role↔dim Outcome
Sitecore Integration Patterns
sitecore-integration-patterns
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
JVM Primary Library skill API 3: existing canonical (in_db) Existing skill (matched library)
Canonical: JVM id=1000 · jvm

Aliases — catalog

  • JVM (CANONICAL) primary

Context tags (catalog)

Bytecode Class Loader Cross-Platform Execution Engine Execution Environment Garbage Collection HotSpot JIT Compilation JIT Compiler JVM Options Java Development Kit Java Native Interface Java Runtime Java Runtime Environment Java Virtual Machine Specification Memory Management Performance Tuning Profiling Stack Memory Thread Management

Stored enrichment (catalog DB)

Category
Runtime
Sub-category
Virtual Machine Runtime
Vendor
Oracle
License
other_open
Year introduced
1995
Confidence
0.99
Version strategy
NOT_APPLICABLE

Maturity reasoning: JVM is a core runtime in many Java/Kotlin/Scala job descriptions and remains the default execution platform for enterprise backend stacks; major vendors like Oracle and OpenJDK continue active releases, not sunset.

Skill profile (library / DB)

Skill nature
RUNTIME
Volatility
STABLE
Typical lifespan
EVERGREEN
Category id
67
Sub-category id
1701
Extractable
True
Also category
False

Dimensions (API 2 worklist)

  • Java Language and JVM Catalog dimension db id 279

    Library dimension (catalog)

    Roles linked in library: Java Backend Developer, Kotlin Backend Developer, Scala Backend Developer

  • React Frontend Development Catalog dimension db id 96

    Library dimension (catalog)

API 3 link attempts (this skill)

Dimension Skill↔dim Role↔dim Outcome
Java Language and JVM
java-language-and-jvm
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
React Frontend Development
d_init_01
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
File I/O 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
Programming Concepts
Sub-category
general
Skill nature
CONCEPT
Volatility
STABLE
Typical lifespan
EVERGREEN
Version strategy
UNVERSIONED

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
Java in_db
Java Language and JVM
java-language-and-jvm
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
Java in_db
Kotlin and Java
kotlin-and-java
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
Java in_db
Native Mobile Languages
native-mobile-languages
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
Java in_db
Pega Programming Languages & DSLs
pega-programming-languages-dsls
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
Java in_db
Programming Languages
programming-languages
Existing dimension (library) · Role↔dimension saved
Java in_db
Programming Languages for Data Work
programming-languages-for-data-work
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
Spring in_db
Web Application Frameworks
web-application-frameworks
Existing dimension (library) · Role↔dimension saved
Hibernate in_db
Application ORM and Repository-Based Data Access
application-orm-and-repository-based-data-access
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
Hibernate in_db
ORMs and Data Access Layers
orms-and-data-access-layers
Existing dimension (library) · Role↔dimension saved
Maven in_db
Build and Dependency Management
build-and-dependency-management
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
Maven in_db
Build and Packaging Tooling
build-and-packaging-tooling
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
Git in_db
React Frontend Development
d_init_01
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
Design Patterns in_db
React Frontend Development
d_init_01
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
Collections in_db
Magento Data Models and Repositories
magento-data-models-and-repositories
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
Generics in_db
C# and .NET Languages
c-and-net-languages
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
Generics in_db
Java Language and JVM
java-language-and-jvm
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
Generics in_db
JavaScript and TypeScript
javascript-and-typescript
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
Multithreading in_db
Concurrency and Parallel Processing
concurrency-and-parallel-processing
Existing dimension (library) · Role↔dimension saved
Synchronization in_db
Concurrency and Parallel Processing
concurrency-and-parallel-processing
Existing dimension (library) · Role↔dimension saved
Serialization in_db
Sitecore Integration Patterns
sitecore-integration-patterns
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
JVM in_db
Java Language and JVM
java-language-and-jvm
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
JVM in_db
React Frontend Development
d_init_01
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)

Library artifacts (this run)

Kind Detail DB id
canonical_skill_proposed OOP | type=Concepts subtype=general nature=CONCEPT lifespan=EVERGREEN
canonical_skill_proposed Ant | type=Build Tools subtype=general nature=TOOL lifespan=MULTI_YEAR
canonical_skill_proposed Spring Core | type=Web Frameworks subtype=general nature=TOOL lifespan=MULTI_YEAR
canonical_skill_proposed Spring ORM | type=Web Frameworks subtype=general nature=TOOL lifespan=MULTI_YEAR
canonical_skill_proposed Spring DAO | type=Web Frameworks subtype=general nature=TOOL lifespan=MULTI_YEAR
canonical_skill_proposed Spring AOP | type=Web Frameworks subtype=general nature=TOOL lifespan=MULTI_YEAR
canonical_skill_proposed JSP | type=Web Technologies subtype=general nature=LANGUAGE lifespan=MULTI_YEAR
canonical_skill_proposed Servlets | type=Web Technologies subtype=general nature=CONCEPT lifespan=MULTI_YEAR
canonical_skill_proposed File I/O | type=Programming Concepts subtype=general nature=CONCEPT lifespan=EVERGREEN
nano JD Parser — gpt-4.1-nano click to toggle
RoleSoftware Developer
CompanyIBM
ExperienceMinimum 3-5 years of experience with software development.
DomainIT Services & Consulting
JD type pass
Show raw JSON
{
  "JD_type": "pass",
  "about_company": null,
  "certifications": [],
  "company_name": "IBM",
  "ctc": null,
  "domain": {
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        "Tech Consulting"
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      "domain": "IT Services \u0026 Consulting"
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    "secondary": null
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  "education": [
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      "qualification": "MTECH/ME - Computer Science/IT",
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    {
      "level": "Bachelor\u0027s",
      "qualification": "BTECH/BE - Any Stream",
      "raw": "BE / B Tech in any stream",
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  ],
  "experience": {
    "max": 5,
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  "job_locations": [],
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  "role_aliases": [
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  "roles_and_responsibilities": [
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      "bullet_count": 0,
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      "source_marker": {
        "first_5_words": "As a Software Developer you\u0027ll",
        "last_5_words": "high performing, highly available, responsive,"
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      "text": "As a Software Developer you\u0027ll participate in many aspects of the software development lifecycle, such as design, code implementation, testing, and support. You will create software that enables your clients\u0027 hybrid-cloud and AI journeys.\n\nYou\u0027ll have the opportunity to work with the latest technologies, ensuring the applications delivered are high performing, highly available, responsive, and maintainable.",
      "word_count": 56
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    {
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      "source_marker": {
        "first_5_words": "\u2022 Analytical Problem-Solving and Solution",
        "last_5_words": "operate and code creative solutions."
      },
      "text": "\u2022 Analytical Problem-Solving and Solution Enhancement: Analyze, validate and propose improvements to existing failures, with the support of the architect and technical leader.\n\u2022 Comprehensive Engagement Across Process Phases: Involvement in every step of the process, from design, development, testing release changes and troubleshoot where necessary, providing a great customer service.\n\u2022 Strategic Stakeholder Engagement and Innovative Coding Solutions: Drive key discussions with your stakeholders and analyze the current landscape for opportunities to operate and code creative solutions.",
      "word_count": 66
    },
    {
      "bullet_count": 5,
      "heading": "Required Technical And Professional Expertise",
      "heading_was_present": true,
      "source_marker": {
        "first_5_words": "\u2022 BE / B Tech in",
        "last_5_words": "and Synchronization, JSP (Java Server"
      },
      "text": "\u2022 BE / B Tech in any stream, M.Sc. (Computer Science/IT) / M.C.A, with Minimum 3-5 years of experience with software development.\n\u2022 Experience in have working knowledge on Java 8 or higher.\n\u2022 Proven working experience on both Spring and Hibernate (Spring 4 or above).\n\u2022 Experience in knowing OOP concepts well.\n\u2022 Should be proficient in Exception Handling, Collections, Abstract Classes and Interfaces, Constructors, File IO (Input/Output) and Serialization, Collections (List, Map, Set), Access Specifiers, Exceptions (Checked, Unchecked), Generics, Java Keywords (Static, Final, Volatile, Synchronized, Transient), JVM (Java Virtual Machine) and Memory Management, Multithreading and Synchronization, JSP (Java Server Page)/ Servlets",
      "word_count": 103
    },
    {
      "bullet_count": 3,
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      "source_marker": {
        "first_5_words": "\u2022 Should be conversant with",
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      },
      "text": "\u2022 Should be conversant with Build tools like Ant, Maven and Git\n\u2022 Must have experience on Design patterns and Optimize usage.\n\u2022 Proven work experience on Spring Core, Spring ORM, Spring DAO, Spring AOP, Hibernate would be an added advantage",
      "word_count": 42
    }
  ],
  "urls": []
}
API 1 — extract-from-jd click to toggle
{
  "final_skills": [
    {
      "is_primary": true,
      "skill_name": "Java"
    },
    {
      "is_primary": true,
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    "experience": {
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        "word_count": 56
      },
      {
        "bullet_count": 3,
        "heading": "Your Primary Responsibilities Include",
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        "source_marker": {
          "first_5_words": "\u2022 Analytical Problem-Solving and Solution",
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        "source_marker": {
          "first_5_words": "\u2022 BE / B Tech in",
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        },
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        "word_count": 103
      },
      {
        "bullet_count": 3,
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        "source_marker": {
          "first_5_words": "\u2022 Should be conversant with",
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        },
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        "word_count": 42
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  "rejected": false,
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  "stage3_signals": {
    "alias_found": false,
    "alias_match_roles": [],
    "kra_match_roles": [
      {
        "display_name": "DevOps Engineer",
        "kra_matches": [
          {
            "kra_text": "Collaborates with development teams to improve build processes, reduce deployment friction, containerize applications, and adopt DevOps best practices.",
            "sentence": "You\u0027ll have the opportunity to work with the latest technologies, ensuring the applications delivered are high performing, highly available, responsive, and maintainable.",
            "similarity": 0.4837
          },
          {
            "kra_text": "Builds and maintains CI/CD pipelines using Jenkins, GitHub Actions, GitLab CI, or CircleCI to automate build, test, security scanning, and deployment workflows.",
            "sentence": "Should be conversant with Build tools like Ant, Maven and Git",
            "similarity": 0.4832
          },
          {
            "kra_text": "Collaborates with development teams to improve build processes, reduce deployment friction, containerize applications, and adopt DevOps best practices.",
            "sentence": "Comprehensive Engagement Across Process Phases: Involvement in every step of the process, from design, development, testing release changes and troubleshoot where necessary, providing a great customer service.",
            "similarity": 0.4624
          }
        ],
        "matched_count": null,
        "matched_skills": null,
        "role_id": 10,
        "score": 0.4764,
        "slug": "devops-engineer",
        "total_count": null
      },
      {
        "display_name": "Cloud Architect",
        "kra_matches": [
          {
            "kra_text": "Conducts architecture reviews, approves technical design documents, and guides engineering teams through cloud migration and modernization projects.",
            "sentence": "Analytical Problem-Solving and Solution Enhancement: Analyze, validate and propose improvements to existing failures, with the support of the architect and technical leader.",
            "similarity": 0.5033
          },
          {
            "kra_text": "Defines cloud adoption roadmaps, lift-and-shift vs. refactor migration strategies, and landing zone architectures for workloads moving to AWS, Azure, or GCP.",
            "sentence": "You will create software that enables your clients\u0027 hybrid-cloud and AI journeys.",
            "similarity": 0.4764
          },
          {
            "kra_text": "Conducts architecture reviews, approves technical design documents, and guides engineering teams through cloud migration and modernization projects.",
            "sentence": "You\u0027ll have the opportunity to work with the latest technologies, ensuring the applications delivered are high performing, highly available, responsive, and maintainable.",
            "similarity": 0.4443
          }
        ],
        "matched_count": null,
        "matched_skills": null,
        "role_id": 9,
        "score": 0.4747,
        "slug": "cloud-architect",
        "total_count": null
      },
      {
        "display_name": "Fullstack Developer",
        "kra_matches": [
          {
            "kra_text": "Works closely with product managers and UX designers to translate requirements and wireframes into working software features through iterative development.",
            "sentence": "Comprehensive Engagement Across Process Phases: Involvement in every step of the process, from design, development, testing release changes and troubleshoot where necessary, providing a great customer service.",
            "similarity": 0.4952
          },
          {
            "kra_text": "Works closely with product managers and UX designers to translate requirements and wireframes into working software features through iterative development.",
            "sentence": "As a Software Developer you\u0027ll participate in many aspects of the software development lifecycle, such as design, code implementation, testing, and support.",
            "similarity": 0.4825
          },
          {
            "kra_text": "Designs and queries relational databases like PostgreSQL and document stores like MongoDB, writing migrations, indexes, and optimized queries.",
            "sentence": "Must have experience on Design patterns and Optimize usage.",
            "similarity": 0.4257
          }
        ],
        "matched_count": null,
        "matched_skills": null,
        "role_id": 15,
        "score": 0.4678,
        "slug": "full-stack-engineer",
        "total_count": null
      },
      {
        "display_name": "Flutter Developer",
        "kra_matches": [
          {
            "kra_text": "optimize responsiveness and performance",
            "sentence": "Must have experience on Design patterns and Optimize usage.",
            "similarity": 0.4729
          },
          {
            "kra_text": "collaborate with design, product, and backend teams",
            "sentence": "Comprehensive Engagement Across Process Phases: Involvement in every step of the process, from design, development, testing release changes and troubleshoot where necessary, providing a great customer service.",
            "similarity": 0.4665
          },
          {
            "kra_text": "optimize responsiveness and performance",
            "sentence": "You\u0027ll have the opportunity to work with the latest technologies, ensuring the applications delivered are high performing, highly available, responsive, and maintainable.",
            "similarity": 0.4392
          }
        ],
        "matched_count": null,
        "matched_skills": null,
        "role_id": 74,
        "score": 0.4595,
        "slug": "flutter-developer",
        "total_count": null
      },
      {
        "display_name": "Backend Developer",
        "kra_matches": [
          {
            "kra_text": "Investigates and resolves production incidents, API bugs, and service degradation through root cause analysis, hotfixes, and post-mortems.",
            "sentence": "Analytical Problem-Solving and Solution Enhancement: Analyze, validate and propose improvements to existing failures, with the support of the architect and technical leader.",
            "similarity": 0.4894
          },
          {
            "kra_text": "Investigates and resolves production incidents, API bugs, and service degradation through root cause analysis, hotfixes, and post-mortems.",
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          },
          {
            "kra_text": "Identifies and resolves backend performance bottlenecks through query optimization, indexing strategies, connection pooling, and distributed caching with Redis.",
            "sentence": "Must have experience on Design patterns and Optimize usage.",
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          }
        ],
        "matched_count": null,
        "matched_skills": null,
        "role_id": 1,
        "score": 0.4514,
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    ],
    "skill_match_roles": [
      {
        "display_name": "Java Backend Developer",
        "kra_matches": null,
        "matched_count": 8,
        "matched_skills": [
          "Hibernate",
          "JVM",
          "Java",
          "Maven",
          "Spring",
          "generics",
          "multithreading",
          "synchronization"
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        "role_id": 79,
        "score": 0.4444,
        "slug": "java-backend-developer",
        "total_count": 18
      },
      {
        "display_name": "Scala Backend Developer",
        "kra_matches": null,
        "matched_count": 6,
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          "Hibernate",
          "JVM",
          "Java",
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          "multithreading",
          "synchronization"
        ],
        "role_id": 87,
        "score": 0.3333,
        "slug": "scala-backend-developer",
        "total_count": 18
      },
      {
        "display_name": "Node.js Backend Developer",
        "kra_matches": null,
        "matched_count": 5,
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          "Hibernate",
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          "generics",
          "multithreading",
          "synchronization"
        ],
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        "total_count": 18
      },
      {
        "display_name": "Backend Developer",
        "kra_matches": null,
        "matched_count": 5,
        "matched_skills": [
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          "synchronization"
        ],
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      },
      {
        "display_name": "Kotlin Backend Developer",
        "kra_matches": null,
        "matched_count": 4,
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          "Java",
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        ],
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    ]
  },
  "stage4_decision": {
    "alias_collision_detected": false,
    "case": "DOMAIN",
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      "display_name": "Backend Developer",
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      "matched_count": null,
      "matched_skills": null,
      "role_id": 1,
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      "slug": "backend-engineer",
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    },
    "confidence": 0.98,
    "is_new_role": false,
    "llm2_fired": false,
    "llm2_reasoning": null,
    "matched_dimensions": [
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      "Software Development Lifecycle",
      "Solution Enhancement",
      "Testing and Release Support",
      "Stakeholder Collaboration",
      "Maintainable High-Performance Applications",
      "Java Enterprise Development"
    ],
    "matched_kras": [
      "participate in many aspects of the software development lifecycle",
      "create software that enables your clients\u0027 hybrid-cloud and AI journeys",
      "design, code implementation, testing, and support",
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      "involvement in every step of the process",
      "troubleshoot where necessary",
      "drive key discussions with your stakeholders"
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    "matched_skills": [
      "Java 8",
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      "Hibernate",
      "OOP concepts",
      "Exception Handling",
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      "Abstract Classes and Interfaces",
      "Constructors",
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      "Generics",
      "JVM",
      "Memory Management",
      "Multithreading and Synchronization",
      "JSP/ Servlets"
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    "new_role_display_name": null,
    "new_role_slug": null,
    "queued": false,
    "reasoning": "Domain=Software Engineering \u2192 sub-role java-backend-developer; The JD is centered on Java/Spring/Hibernate server-side software development, testing, support, and troubleshooting, which best matches a backend developer role.",
    "sub_role": {
      "confidence": 0.99,
      "display_name": "Java Backend Developer",
      "reasoning": "The JD explicitly centers on Java 8+, Spring, Hibernate, JSP/Servlets, and JVM concepts, which strongly indicates a Java backend role.",
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  },
  "stage5_updates": {
    "centroid_n_after": 600,
    "centroid_updated": true,
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    "new_kra_attached": null,
    "new_skills_attached": [
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        "skill_name": "OOP",
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      },
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        "is_primary": true,
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        "role_display_name": "Backend Developer",
        "role_slug": "backend-engineer",
        "skill_name": "Ant",
        "status": "pending"
      },
      {
        "is_primary": true,
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        "role_display_name": "Backend Developer",
        "role_slug": "backend-engineer",
        "skill_name": "Spring Core",
        "status": "pending"
      },
      {
        "is_primary": false,
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        "role_display_name": "Backend Developer",
        "role_slug": "backend-engineer",
        "skill_name": "Spring ORM",
        "status": "pending"
      },
      {
        "is_primary": false,
        "queue_id": 10154,
        "role_display_name": "Backend Developer",
        "role_slug": "backend-engineer",
        "skill_name": "Spring DAO",
        "status": "pending"
      },
      {
        "is_primary": false,
        "queue_id": 10155,
        "role_display_name": "Backend Developer",
        "role_slug": "backend-engineer",
        "skill_name": "Spring AOP",
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      },
      {
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        "role_slug": "backend-engineer",
        "skill_name": "JSP",
        "status": "pending"
      },
      {
        "is_primary": true,
        "queue_id": 10157,
        "role_display_name": "Backend Developer",
        "role_slug": "backend-engineer",
        "skill_name": "Servlets",
        "status": "pending"
      },
      {
        "is_primary": true,
        "queue_id": 10158,
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        "role_slug": "backend-engineer",
        "skill_name": "File I/O",
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    ],
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    "v3_pipeline_triggered": false,
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    "v3_run_id": null
  }
}
API 2 — extract-details
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        "is_also_category": false,
        "is_extractable": true,
        "skill_nature": "LANGUAGE",
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        "sub_category_id": 96,
        "typical_lifespan": "EVERGREEN",
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      "matched_via": "alias"
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      "alias_persisted": false,
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      "existing_alias_text": "Spring",
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        "is_extractable": true,
        "skill_nature": "FRAMEWORK",
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        "volatility": "STABLE"
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      "matched_via": "alias"
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      "alias_persist_skipped_reason": "alias_text already exists for this canonical skill",
      "alias_persisted": false,
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      "existing_alias_text": "Hibernate",
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      "matched_canonical": {
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        "is_also_category": false,
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        "skill_nature": "LIBRARY",
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        "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": 1360,
      "existing_alias_text": "Maven",
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      "matched_via": "alias"
    },
    {
      "alias_persist_skipped_reason": "alias_text already exists for this canonical skill",
      "alias_persisted": false,
      "existing_alias_id": 1613,
      "existing_alias_text": "Git",
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      "matched_canonical": {
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        "is_also_category": false,
        "is_extractable": true,
        "skill_nature": "TOOL",
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      },
      "matched_via": "alias"
    },
    {
      "alias_persist_skipped_reason": "alias_text already exists for this canonical skill",
      "alias_persisted": false,
      "existing_alias_id": 2624,
      "existing_alias_text": "design patterns",
      "input_term": "Design Patterns",
      "matched_canonical": {
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        "is_also_category": false,
        "is_extractable": true,
        "skill_nature": "CONCEPT",
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      "matched_via": "alias"
    },
    {
      "alias_persist_skipped_reason": "alias_text already exists for this canonical skill",
      "alias_persisted": false,
      "existing_alias_id": 5340,
      "existing_alias_text": "Collections",
      "input_term": "Collections",
      "matched_canonical": {
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        "is_also_category": false,
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      "matched_via": "alias"
    },
    {
      "alias_persist_skipped_reason": "alias_text already exists for this canonical skill",
      "alias_persisted": false,
      "existing_alias_id": 3463,
      "existing_alias_text": "Generics",
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      "matched_canonical": {
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        "is_also_category": false,
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      "matched_via": "alias"
    },
    {
      "alias_persist_skipped_reason": "alias_text already exists for this canonical skill",
      "alias_persisted": false,
      "existing_alias_id": 223,
      "existing_alias_text": "multithreading",
      "input_term": "Multithreading",
      "matched_canonical": {
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        "is_also_category": false,
        "is_extractable": true,
        "skill_nature": "CONCEPT",
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      "matched_via": "alias"
    },
    {
      "alias_persist_skipped_reason": "alias_text already exists for this canonical skill",
      "alias_persisted": false,
      "existing_alias_id": 6389,
      "existing_alias_text": "synchronization",
      "input_term": "Synchronization",
      "matched_canonical": {
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        "is_also_category": false,
        "is_extractable": true,
        "skill_nature": "CONCEPT",
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      "matched_via": "alias"
    },
    {
      "alias_persist_skipped_reason": "alias_text already exists for this canonical skill",
      "alias_persisted": false,
      "existing_alias_id": 5884,
      "existing_alias_text": "serialization",
      "input_term": "Serialization",
      "matched_canonical": {
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      "matched_via": "alias"
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      "alias_persisted": false,
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      "existing_alias_text": "JVM",
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      "slug": "ionic-developer",
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      ]
    },
    {
      "dimension": {
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        {
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        "source": "db"
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      "llm_role": null,
      "roles_from_db": [
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          "rationale": null,
          "role_archetype": null,
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          "rationale": null,
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      "input_skill": "Hibernate",
      "llm_role": null,
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        "source": "db"
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      "input_skill": "Hibernate",
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          "rationale": null,
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          "rationale": null,
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          "rationale": null,
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          "display_name": "PHP Backend Developer",
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          "rationale": null,
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          "display_name": "Python Backend Developer",
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          "rationale": null,
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        "display_name": "Build and Dependency Management",
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        "rationale": "Project build, packaging, and dependency resolution skills used to compile and assemble Java services. This cluster matters because backend delivery depends on reproducible builds and controlled library versions.",
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      "input_skill": "Maven",
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          "rationale": null,
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          "rationale": null,
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        "rationale": "Primary implementation languages for browser client code, UI logic, and shared frontend utilities. These languages are the main coding surface for building interactive web experiences in this role.",
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      "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": [
        {
          "alias_text": "generics",
          "alias_type": "CANONICAL",
          "id": 3987,
          "is_primary": true,
          "match_strategy": "CASE_INSENSITIVE"
        },
        {
          "alias_text": "Generics",
          "alias_type": "CANONICAL",
          "id": 3463,
          "is_primary": false,
          "match_strategy": "CASE_INSENSITIVE"
        }
      ],
      "canonical": {
        "category_id": 2,
        "display_name": "generics",
        "id": 2211,
        "is_also_category": false,
        "is_extractable": true,
        "skill_nature": "CONCEPT",
        "slug": "generics",
        "sub_category_id": 2523,
        "typical_lifespan": "EVERGREEN",
        "volatility": "STABLE"
      },
      "dimensions": [
        {
          "dimension": {
            "difficulty_hint": "well_known",
            "display_name": "C# and .NET Languages",
            "id": 362,
            "rationale": "Primary implementation languages and runtime features used to build backend service logic in the .NET ecosystem. This is the core coding surface for request handling, domain logic, and service internals.",
            "slug": "c-and-net-languages",
            "source": "db"
          },
          "input_skill": "Generics",
          "llm_role": null,
          "roles_from_db": [
            {
              "display_name": ".NET Backend Developer",
              "id": 83,
              "rationale": null,
              "role_archetype": "Engineering",
              "slug": "dotnet-backend-developer",
              "source": "db"
            }
          ]
        },
        {
          "dimension": {
            "difficulty_hint": "well_known",
            "display_name": "Java Language and JVM",
            "id": 279,
            "rationale": "Core Java implementation skills used to build backend service logic, utilities, and internal abstractions. This is the primary coding surface for the role and includes language features plus JVM behavior that affect correctness and maintainability.",
            "slug": "java-language-and-jvm",
            "source": "db"
          },
          "input_skill": "Generics",
          "llm_role": null,
          "roles_from_db": [
            {
              "display_name": "Java Backend Developer",
              "id": 79,
              "rationale": null,
              "role_archetype": "Engineering",
              "slug": "java-backend-developer",
              "source": "db"
            },
            {
              "display_name": "Kotlin Backend Developer",
              "id": 84,
              "rationale": null,
              "role_archetype": "Engineering",
              "slug": "kotlin-server-backend-developer",
              "source": "db"
            },
            {
              "display_name": "Scala Backend Developer",
              "id": 87,
              "rationale": null,
              "role_archetype": "Engineering",
              "slug": "scala-backend-developer",
              "source": "db"
            }
          ]
        },
        {
          "dimension": {
            "difficulty_hint": "well_known",
            "display_name": "JavaScript and TypeScript",
            "id": 114,
            "rationale": "Primary implementation languages for browser client code, UI logic, and shared frontend utilities. These languages are the main coding surface for building interactive web experiences in this role.",
            "slug": "javascript-and-typescript",
            "source": "db"
          },
          "input_skill": "Generics",
          "llm_role": null,
          "roles_from_db": [
            {
              "display_name": "Angular Frontend Developer",
              "id": 90,
              "rationale": null,
              "role_archetype": "Engineering",
              "slug": "angular-frontend-developer",
              "source": "db"
            },
            {
              "display_name": "Frontend Developer",
              "id": 7,
              "rationale": null,
              "role_archetype": null,
              "slug": "frontend-engineer",
              "source": "db"
            },
            {
              "display_name": "Ionic Developer",
              "id": 434,
              "rationale": null,
              "role_archetype": null,
              "slug": "ionic-developer",
              "source": "db"
            },
            {
              "display_name": "Node.js Backend Developer",
              "id": 82,
              "rationale": null,
              "role_archetype": "Engineering",
              "slug": "node-backend-developer",
              "source": "db"
            },
            {
              "display_name": "React Frontend Developer",
              "id": 89,
              "rationale": null,
              "role_archetype": "Engineering",
              "slug": "react-frontend-developer",
              "source": "db"
            },
            {
              "display_name": "React Native Developer",
              "id": 73,
              "rationale": null,
              "role_archetype": "Engineering",
              "slug": "react-native-developer",
              "source": "db"
            },
            {
              "display_name": "Svelte Frontend Developer",
              "id": 92,
              "rationale": null,
              "role_archetype": "Engineering",
              "slug": "svelte-frontend-developer",
              "source": "db"
            },
            {
              "display_name": "Vue Frontend Developer",
              "id": 91,
              "rationale": null,
              "role_archetype": "Engineering",
              "slug": "vue-frontend-developer",
              "source": "db"
            },
            {
              "display_name": "Web Developer",
              "id": 25,
              "rationale": null,
              "role_archetype": null,
              "slug": "web-developer",
              "source": "db"
            }
          ]
        }
      ],
      "input_skill": "Generics",
      "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": [
        {
          "alias_text": "multithreading",
          "alias_type": "CANONICAL",
          "id": 223,
          "is_primary": true,
          "match_strategy": "CASE_INSENSITIVE"
        }
      ],
      "canonical": {
        "category_id": 2,
        "display_name": "multithreading",
        "id": 82,
        "is_also_category": false,
        "is_extractable": true,
        "skill_nature": "CONCEPT",
        "slug": "multithreading",
        "sub_category_id": 7,
        "typical_lifespan": "EVERGREEN",
        "volatility": "STABLE"
      },
      "dimensions": [
        {
          "dimension": {
            "difficulty_hint": "well_known",
            "display_name": "Concurrency and Parallel Processing",
            "id": 17,
            "rationale": "Programming techniques for handling multiple requests and background work safely and efficiently. Includes synchronization, async execution, and coordination of concurrent tasks.",
            "slug": "concurrency-and-parallel-processing",
            "source": "db"
          },
          "input_skill": "Multithreading",
          "llm_role": null,
          "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": "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": "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"
            }
          ]
        }
      ],
      "input_skill": "Multithreading",
      "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": [
        {
          "alias_text": "synchronization",
          "alias_type": "CANONICAL",
          "id": 6389,
          "is_primary": true,
          "match_strategy": "CASE_INSENSITIVE"
        }
      ],
      "canonical": {
        "category_id": 2,
        "display_name": "synchronization",
        "id": 4540,
        "is_also_category": false,
        "is_extractable": true,
        "skill_nature": "CONCEPT",
        "slug": "synchronization",
        "sub_category_id": 7,
        "typical_lifespan": "EVERGREEN",
        "volatility": "STABLE"
      },
      "dimensions": [
        {
          "dimension": {
            "difficulty_hint": "well_known",
            "display_name": "Concurrency and Parallel Processing",
            "id": 17,
            "rationale": "Programming techniques for handling multiple requests and background work safely and efficiently. Includes synchronization, async execution, and coordination of concurrent tasks.",
            "slug": "concurrency-and-parallel-processing",
            "source": "db"
          },
          "input_skill": "Synchronization",
          "llm_role": null,
          "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": "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": "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"
            }
          ]
        }
      ],
      "input_skill": "Synchronization",
      "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": [
        {
          "alias_text": "serialization",
          "alias_type": "CANONICAL",
          "id": 5884,
          "is_primary": true,
          "match_strategy": "CASE_INSENSITIVE"
        }
      ],
      "canonical": {
        "category_id": 2,
        "display_name": "serialization",
        "id": 4161,
        "is_also_category": false,
        "is_extractable": true,
        "skill_nature": "CONCEPT",
        "slug": "serialization",
        "sub_category_id": 3276,
        "typical_lifespan": "EVERGREEN",
        "volatility": "STABLE"
      },
      "dimensions": [
        {
          "dimension": {
            "difficulty_hint": "well_known",
            "display_name": "Sitecore Integration Patterns",
            "id": 444,
            "rationale": "Connecting Sitecore to adjacent systems such as commerce, search, identity, analytics, and data services. This cluster covers the integration code and patterns needed to keep the site experience connected to enterprise systems.",
            "slug": "sitecore-integration-patterns",
            "source": "db"
          },
          "input_skill": "Serialization",
          "llm_role": null,
          "roles_from_db": [
            {
              "display_name": "Sitecore Dev",
              "id": 233,
              "rationale": null,
              "role_archetype": "Engineering",
              "slug": "sitecore-dev",
              "source": "db"
            }
          ]
        }
      ],
      "input_skill": "Serialization",
      "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": [
        {
          "alias_text": "JVM",
          "alias_type": "CANONICAL",
          "id": 1611,
          "is_primary": true,
          "match_strategy": "CASE_INSENSITIVE"
        }
      ],
      "canonical": {
        "category_id": 67,
        "display_name": "JVM",
        "id": 1000,
        "is_also_category": false,
        "is_extractable": true,
        "skill_nature": "RUNTIME",
        "slug": "jvm",
        "sub_category_id": 1701,
        "typical_lifespan": "EVERGREEN",
        "volatility": "STABLE"
      },
      "dimensions": [
        {
          "dimension": {
            "difficulty_hint": "well_known",
            "display_name": "Java Language and JVM",
            "id": 279,
            "rationale": "Core Java implementation skills used to build backend service logic, utilities, and internal abstractions. This is the primary coding surface for the role and includes language features plus JVM behavior that affect correctness and maintainability.",
            "slug": "java-language-and-jvm",
            "source": "db"
          },
          "input_skill": "JVM",
          "llm_role": null,
          "roles_from_db": [
            {
              "display_name": "Java Backend Developer",
              "id": 79,
              "rationale": null,
              "role_archetype": "Engineering",
              "slug": "java-backend-developer",
              "source": "db"
            },
            {
              "display_name": "Kotlin Backend Developer",
              "id": 84,
              "rationale": null,
              "role_archetype": "Engineering",
              "slug": "kotlin-server-backend-developer",
              "source": "db"
            },
            {
              "display_name": "Scala Backend Developer",
              "id": 87,
              "rationale": null,
              "role_archetype": "Engineering",
              "slug": "scala-backend-developer",
              "source": "db"
            }
          ]
        },
        {
          "dimension": {
            "difficulty_hint": "well_known",
            "display_name": "React Frontend Development",
            "id": 96,
            "rationale": "Building interactive web user interfaces with React.js, including component composition, state management, hooks, and rendering patterns. React.js belongs here because it is a core library for client-side UI development in modern web applications.",
            "slug": "d_init_01",
            "source": "db"
          },
          "input_skill": "JVM",
          "llm_role": null,
          "roles_from_db": []
        }
      ],
      "input_skill": "JVM",
      "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": "File I/O",
      "matched_via": null,
      "new_alias_persisted": false,
      "new_alias_text": null,
      "new_skill_meta": {
        "derived": {
          "category": "Programming Concepts",
          "skill_nature": "CONCEPT",
          "sub_category": "general",
          "typical_lifespan": "EVERGREEN",
          "version_strategy": "UNVERSIONED",
          "volatility": "STABLE"
        },
        "enrichment": null,
        "keep_log": [],
        "locked_dimensions": [],
        "merge_log": [],
        "placed": null,
        "relationships": null,
        "skill_id": "file-i-o",
        "split_log": [],
        "typed": null,
        "warnings": []
      },
      "source_tag": "llm",
      "was_in_llm_skills": true
    }
  ],
  "unmatched_skills": [
    "OOP",
    "Ant",
    "Spring Core",
    "Spring ORM",
    "Spring DAO",
    "Spring AOP",
    "JSP",
    "Servlets",
    "File I/O"
  ]
}
API 3 — final-role-output
{
  "chosen_role": {
    "display_name": "Backend Developer",
    "id": 1,
    "rationale": "Domain=Software Engineering \u2192 sub-role java-backend-developer; The JD is centered on Java/Spring/Hibernate server-side software development, testing, support, and troubleshooting, which best matches a backend developer role.",
    "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": "Java",
      "tag": "in_db"
    },
    {
      "skill": "Spring",
      "tag": "in_db"
    },
    {
      "skill": "Hibernate",
      "tag": "in_db"
    },
    {
      "skill": "OOP",
      "tag": "new"
    },
    {
      "skill": "Ant",
      "tag": "new"
    },
    {
      "skill": "Maven",
      "tag": "in_db"
    },
    {
      "skill": "Git",
      "tag": "in_db"
    },
    {
      "skill": "Design Patterns",
      "tag": "in_db"
    },
    {
      "skill": "Spring Core",
      "tag": "new"
    },
    {
      "skill": "Spring ORM",
      "tag": "new"
    },
    {
      "skill": "Spring DAO",
      "tag": "new"
    },
    {
      "skill": "Spring AOP",
      "tag": "new"
    },
    {
      "skill": "JSP",
      "tag": "new"
    },
    {
      "skill": "Servlets",
      "tag": "new"
    },
    {
      "skill": "Collections",
      "tag": "in_db"
    },
    {
      "skill": "Generics",
      "tag": "in_db"
    },
    {
      "skill": "Multithreading",
      "tag": "in_db"
    },
    {
      "skill": "Synchronization",
      "tag": "in_db"
    },
    {
      "skill": "Serialization",
      "tag": "in_db"
    },
    {
      "skill": "JVM",
      "tag": "in_db"
    },
    {
      "skill": "File I/O",
      "tag": "new"
    }
  ],
  "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": "Java Language and JVM",
          "id": 279,
          "rationale": "Core Java implementation skills used to build backend service logic, utilities, and internal abstractions. This is the primary coding surface for the role and includes language features plus JVM behavior that affect correctness and maintainability.",
          "slug": "java-language-and-jvm",
          "source": "db"
        },
        "dimension_id": 279,
        "input_skill": "Java",
        "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": "Java Backend Developer",
            "id": 79,
            "rationale": null,
            "role_archetype": "Engineering",
            "slug": "java-backend-developer",
            "source": "db"
          },
          {
            "display_name": "Kotlin Backend Developer",
            "id": 84,
            "rationale": null,
            "role_archetype": "Engineering",
            "slug": "kotlin-server-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": 1,
        "skill_tag": "in_db",
        "skipped_reason": null
      },
      {
        "chosen_role_id": 1,
        "dimension": {
          "difficulty_hint": "well_known",
          "display_name": "Kotlin and Java",
          "id": 161,
          "rationale": "Primary implementation languages for Android app features, platform integration, and client-side business logic. Android engineers use these languages to build screens, state flows, service adapters, and device-aware behavior.",
          "slug": "kotlin-and-java",
          "source": "db"
        },
        "dimension_id": 161,
        "input_skill": "Java",
        "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": "Android Developer",
            "id": 4,
            "rationale": null,
            "role_archetype": null,
            "slug": "android-engineer",
            "source": "db"
          }
        ],
        "skill_dimension_saved": true,
        "skill_id": 1,
        "skill_tag": "in_db",
        "skipped_reason": null
      },
      {
        "chosen_role_id": 1,
        "dimension": {
          "difficulty_hint": "well_known",
          "display_name": "Native Mobile Languages",
          "id": 274,
          "rationale": "Primary implementation languages used to build platform-specific app features, UI logic, and device integrations. This is the core coding surface for native mobile work on one platform.",
          "slug": "native-mobile-languages",
          "source": "db"
        },
        "dimension_id": 274,
        "input_skill": "Java",
        "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": "Native Mobile Developer",
            "id": 75,
            "rationale": null,
            "role_archetype": "Engineering",
            "slug": "native-mobile-developer",
            "source": "db"
          }
        ],
        "skill_dimension_saved": true,
        "skill_id": 1,
        "skill_tag": "in_db",
        "skipped_reason": null
      },
      {
        "chosen_role_id": 1,
        "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"
        },
        "dimension_id": 267,
        "input_skill": "Java",
        "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": "Pega Developer",
            "id": 24,
            "rationale": null,
            "role_archetype": null,
            "slug": "pega-developer",
            "source": "db"
          }
        ],
        "skill_dimension_saved": true,
        "skill_id": 1,
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          "rationale": "Tooling used to compile, package, and prepare Ionic apps for development and release. This cluster is coherent because Ionic developers often manage web assets, native wrappers, and environment-specific build outputs.",
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        "dimension_id": 96,
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          "rationale": "Primary implementation languages and runtime features used to build backend service logic in the .NET ecosystem. This is the core coding surface for request handling, domain logic, and service internals.",
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          "slug": "concurrency-and-parallel-processing",
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        "matched_chosen_role": true,
        "outcome_line": "Existing dimension (library) \u00b7 Role\u2194dimension saved",
        "role_dimension_saved": true,
        "roles_from_db": [
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}

LLM Calls

Every model call made for this run, in pipeline order. Click a card to see the model's response.

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