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Pipeline run

dc0db627-b102-42e1-a135-f7080629fd59

Pipeline LLM cost (USD)
API 1: $0.0111 API 2: $0.0002 API 3: $0.0000 Total: $0.0114

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 · API and service implementation
Build and ship Java backend and web app components end-to-end, with heavy work on Spring/Java EE code, SQL/ORM persistence, unit tests, and release preparation. Also reviews alternatives for architecture and may coordinate a small team.
"• Contribute in all phases of the software development lifecycle."
Tech stack maturity
Mainstream Legacy
Java, Spring MVC, and SQL are established, widely used backend technologies that fit a conventional enterprise stack rather than a cloud-native or bleeding-edge one.
AI index (0 = no AI use, 5 = totally AI-dependent · v2.1)
0.00 / 5
· Title match
· Has AI skill
· AI skill (primary)
· AI skill (secondary)
· On AI team
· Builds AI products
vocab breakdown (legacy)
Assistants (×1):
Frameworks (×2):
Models / concepts (×3):
Evidence — skills matched in JD (13)
Java Java EE ORM Spring Framework SQL Spring MVC JSF GWT Wicket Data Structures and Algorithms JPA2 Hibernate Unit Testing
Skill cluster (4 dimension groups, role-scoped)
ORMs and Data Access Layers
Hibernate
Programming Languages
Java
Web Application Frameworks
Spring MVC
Cross-cutting / unaligned
Java EE ORM Spring Framework SQL JSF GWT Wicket Data Structures and Algorithms JPA2 Unit Testing
Show KRA description ↓
• Contribute in all phases of the software development lifecycle. • Write well designed, testable, efficient code. • Prepare and produce releases of software components. • Support continuous improvement by investigating alternatives and technologies and presenting these for architectural review. • B.Tech in Computer Science Engineering with min 4+ years experience in Backend development. • Should have handled 4 team members at least. • Should have a good hold on Data structures and algorithms. • Hands-on experience in designing and developing applications using Java EE platforms. • Object Oriented analysis and design using common design patterns. • Excellent knowledge of Relational Databases, SQL and ORM technologies (JPA2, Hibernate). • Experience in the Spring Framework. • Experience in developing web applications using at least one popular web framework (JSF, Wicket, GWT, Spring MVC). • Experience in writing Unit tests. • Excellent communication, analytical, problem solving skills with a strong sense of ownership, urgency and drive. Java (All Versions) - 2 Years - Advanced Java EE Object Relational Mapping - (ORM) Spring Framework SQL Spring MVC Java Server Faces - (JSF) Google Web Toolkit - GWT Data Structures And Algorithms - 2 Years - Advanced UI And UX Design apache wicket

Signals

Skill full-stack-engineer
0.20
Alias backend-engineer
1.00
KRA react-native-developer
0.52

Post-classification

Centroidupdated · n=213
Alias collision log
New-role queue
New skills captured8
New KRA capturedyes

Captured for admin review

Java EE primary Backend Developer pending
ORM primary Backend Developer pending
Spring Framework primary Backend Developer pending
JSF primary Backend Developer pending
GWT primary Backend Developer pending
Wicket primary Backend Developer pending
Data Structures and Algorithms primary Backend Developer pending
JPA2 Backend Developer pending
R&R fragment (sim 0.00) Backend Developer pending

• Contribute in all phases of the software development lifecycle. • Write well designed, testable, efficient code. • Prepare and produce releases of software components. • Support continuous improveme…

Status: completed Created: 2026-05-27T13:52:07.303586Z Updated: 2026-05-27T13:53:22.993489Z API 3 duration: 23938 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 centers on Java backend development with Java EE, Spring, SQL/ORM, unit testing, and software lifecycle responsibilities, which matches Backend Developer best.

Matched skills

JavaJava EEData structures and algorithmsObject Oriented analysis and designdesign patternsRelational DatabasesSQLORM technologiesJPA2HibernateSpring FrameworkSpring MVCJSFGWTapache wicketUnit tests

Matched dimensions

Backend DevelopmentSoftware Lifecycle ExecutionApplication Design and DevelopmentDatabase and ORM IntegrationUnit TestingArchitectural Review and Technology EvaluationTeam Leadership

Matched KRAs

Contribute in all phases of the software development lifecycleWrite well designed, testable, efficient codePrepare and produce releases of software componentsSupport continuous improvement by investigating alternatives and technologiesPresent alternatives for architectural reviewHandled 4 team members at least

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
4
Skipped

Job description

JD -


• We are looking for an awesome  Backend Developer to join our team where you will be getting an amazing learning experience and exposure to all latest technologies. Responsibilities
• Contribute in all phases of the software development lifecycle.
• Write well designed, testable, efficient code.
• Prepare and produce releases of software components.
• Support continuous improvement by investigating alternatives and technologies and presenting these for architectural review.


Requirements
• B.Tech in Computer Science Engineering with min 4+ years experience in Backend development.
• Should have handled 4 team members at least.
• Should have a good hold on Data structures and algorithms.
• Hands-on experience in designing and developing applications using Java EE platforms.
• Object Oriented analysis and design using common design patterns.
• Excellent knowledge of Relational Databases, SQL and ORM technologies (JPA2, Hibernate).
• Experience in the Spring Framework.
• Experience in developing web applications using at least one popular web framework (JSF, Wicket, GWT, Spring MVC).
• Experience in writing Unit tests.
• Excellent communication, analytical, problem solving skills with a strong sense of ownership, urgency and drive
Category
Backend Developers (Web, Mobile & Software Dev)


Expertise
Java (All Versions) - 2 Years - Advanced Java EE Object Relational Mapping - (ORM) Spring Framework SQL Spring MVC Java Server Faces - (JSF) Google Web Toolkit - GWT Data Structures And Algorithms - 2 Years - Advanced UI And UX Design apache wicket 


Screening Questions
Q1. How good are you in Algorithm should have good logical abilities Should have good grasp on Data structure , Database *
Q2. Must Have : Btech Joining should be within 30 days *
Q3. How would rate yourself from 0 to 10 in Algorithm Data structure and Databases ? *
Q4. Which all databases you have worked on ? *

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

  • 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)
Java EE 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
CONCEPT
Volatility
MEDIUM
Typical lifespan
MULTI_YEAR
Version strategy
UNVERSIONED
ORM Primary New / orchestrated API 3: new canonical path (new) New / unmatched skill (orchestrated in API 2)

Skill enrichment (orchestrator / LLM)

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

Derived legacy fields
Category
Web Frameworks
Sub-category
general
Skill nature
CONCEPT
Volatility
MEDIUM
Typical lifespan
MULTI_YEAR
Version strategy
UNVERSIONED
Spring Framework 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, 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
Skipped — no persistable v3 meta for new skill
skill_not_in_db_v3_proposed
SQL Primary Library skill API 3: existing canonical (in_db) Existing skill (matched library)
Canonical: SQL id=101 · sql

Aliases — catalog

  • SQL (CANONICAL) primary

Context tags (catalog)

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

Stored enrichment (catalog DB)

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

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

Skill profile (library / DB)

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

Dimensions (API 2 worklist)

  • Pega Programming Languages & DSLs Catalog dimension db id 267

    Library dimension (catalog)

    Roles linked in library: Pega Developer

  • Programming Languages for Data Work Catalog dimension db id 21

    Library dimension (catalog)

    Roles linked in library: Data Engineer

API 3 link attempts (this skill)

Dimension Skill↔dim Role↔dim Outcome
Pega Programming Languages & DSLs
pega-programming-languages-dsls
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
Programming Languages for Data Work
programming-languages-for-data-work
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
Spring MVC Primary Library skill API 3: existing canonical (in_db) Existing skill (matched library)
Canonical: Spring MVC id=2191 · spring-mvc

Aliases — catalog

  • Spring MVC (CANONICAL) primary

Context tags (catalog)

API integration Aspect-Oriented Programming Dependency Injection Hibernate JSP Java EE MVC architecture Microservices Model-View-Controller RESTful Spring Boot Spring Data Spring Security Thymeleaf WebSocket

Stored enrichment (catalog DB)

Category
Framework
Sub-category
Web Mvc Framework
Vendor
Pivotal Software
License
apache_2
Year introduced
2004
Confidence
0.99
Version strategy
NOT_APPLICABLE

Maturity reasoning: Spring MVC appears in many Java backend job descriptions and remains a standard part of the Spring ecosystem for web apps, with strong GitHub usage and ongoing Spring Framework support.

Skill profile (library / DB)

Skill nature
FRAMEWORK
Volatility
STABLE
Typical lifespan
EVERGREEN
Category id
5
Sub-category id
1680
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, 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
JSF 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
GWT 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
FAST
Typical lifespan
SHORT_LIVED
Version strategy
VERSIONED
Wicket 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
Data Structures and Algorithms Primary Library skill API 3: existing canonical (in_db) Existing skill (matched library)
Canonical: Data Structures id=1003 · data-structures

Aliases — catalog

  • Data Structures (CANONICAL)

Context tags (catalog)

Big O notation arrays binary search complexity analysis dynamic programming graphs hash tables linked lists memory management queues recursion searching algorithms sorting algorithms stacks trees

Stored enrichment (catalog DB)

Category
Concept
Sub-category
Data Structures
Confidence
0.98
Version strategy
NOT_APPLICABLE

Maturity reasoning: Core CS concept in nearly all software engineering JDs and interview loops; widely taught and expected across roles, with no sunset or replacement signal.

Skill profile (library / DB)

Skill nature
CONCEPT
Volatility
STABLE
Typical lifespan
EVERGREEN
Category id
2
Sub-category id
731
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
Skipped — no persistable v3 meta for new skill
skill_not_in_db_v3_proposed
JPA2 Secondary Library skill API 3: existing canonical (in_db) Existing skill (matched library)
Canonical: JPA id=2196 · jpa

Aliases — catalog

  • JPA (CANONICAL) primary

Context tags (catalog)

Criteria API EntityManager Hibernate JPA provider JPQL ORM Spring Data JPA annotations caching cascading database migrations database schema fetch strategies lazy loading mapping persistence.xml repositories transactions

Stored enrichment (catalog DB)

Category
Standard
Sub-category
Persistence Specification
Vendor
Eclipse Foundation
License
other_open
Year introduced
2006
Confidence
0.90
Version strategy
NOT_APPLICABLE

Maturity reasoning: JPA appears frequently in Java backend job descriptions and remains the standard ORM/persistence spec in the Spring/Hibernate ecosystem, with no vendor sunset or replacement announced.

Skill profile (library / DB)

Skill nature
STANDARD
Volatility
STABLE
Typical lifespan
EVERGREEN
Category id
12
Sub-category id
3566
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
Skipped — no persistable v3 meta for new skill
skill_not_in_db_v3_proposed
ORMs and Data Access Layers
orms-and-data-access-layers
Skipped — no persistable v3 meta for new skill
skill_not_in_db_v3_proposed
Hibernate Secondary 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
Unit Testing Secondary Library skill API 3: existing canonical (in_db) Existing skill (matched library)
Canonical: Unit Testing id=517 · unit-testing

Aliases — catalog

  • Unit Testing (CANONICAL)

Context tags (catalog)

JUnit NUnit TDD arrange-act-assert assertions code coverage fixtures mocking pytest regression stubs test cases test doubles test runner xUnit

Stored enrichment (catalog DB)

Category
Methodology
Sub-category
Testing Methodology
Confidence
0.98
Version strategy
NOT_APPLICABLE

Maturity reasoning: Unit testing is a standard hiring requirement across software JDs and appears in mainstream frameworks/docs; GitHub and Stack Overflow usage remain consistently high, with no successor replacing it.

Skill profile (library / DB)

Skill nature
METHODOLOGY
Volatility
STABLE
Typical lifespan
EVERGREEN
Category id
8
Sub-category id
44
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)

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 Framework new
Web Application Frameworks
web-application-frameworks
Skipped — no persistable v3 meta for new skill skill_not_in_db_v3_proposed
SQL in_db
Pega Programming Languages & DSLs
pega-programming-languages-dsls
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
SQL in_db
Programming Languages for Data Work
programming-languages-for-data-work
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
Spring MVC in_db
Web Application Frameworks
web-application-frameworks
Existing dimension (library) · Role↔dimension saved
Data Structures and Algorithms new
React Frontend Development
d_init_01
Skipped — no persistable v3 meta for new skill skill_not_in_db_v3_proposed
JPA2 new
Application ORM and Repository-Based Data Access
application-orm-and-repository-based-data-access
Skipped — no persistable v3 meta for new skill skill_not_in_db_v3_proposed
JPA2 new
ORMs and Data Access Layers
orms-and-data-access-layers
Skipped — no persistable v3 meta for new skill skill_not_in_db_v3_proposed
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
Unit Testing 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 Java EE | type=Web Frameworks subtype=general nature=CONCEPT lifespan=MULTI_YEAR
canonical_skill_proposed ORM | type=Web Frameworks subtype=general nature=CONCEPT lifespan=MULTI_YEAR
canonical_skill_proposed JSF | type=Web Frameworks subtype=general nature=TOOL lifespan=MULTI_YEAR
canonical_skill_proposed GWT | type=Web Frameworks subtype=general nature=TOOL lifespan=SHORT_LIVED
canonical_skill_proposed Wicket | type=Web Frameworks subtype=general nature=TOOL lifespan=MULTI_YEAR
dimension_skill_link_proposed Spring Framework ↔ Web Application Frameworks
role_dimension_link_proposed Backend Developer ↔ Web Application Frameworks
dimension_skill_link_proposed Data Structures and Algorithms ↔ React Frontend Development
dimension_skill_link_proposed JPA2 ↔ Application ORM and Repository-Based Data Access
dimension_skill_link_proposed JPA2 ↔ ORMs and Data Access Layers
role_dimension_link_proposed Backend Developer ↔ ORMs and Data Access Layers
nano JD Parser — gpt-4.1-nano click to toggle
RoleBackend Developer
Experiencemin 4+ years experience in Backend development
DomainSoftware & SaaS Products
JD type pass
Show raw JSON
{
  "JD_type": "pass",
  "about_company": null,
  "certifications": [],
  "company_name": null,
  "ctc": null,
  "domain": {
    "primary": {
      "aliases": [
        "Software Development",
        "Web Development"
      ],
      "domain": "Software \u0026 SaaS Products"
    },
    "secondary": null
  },
  "education": [
    {
      "level": "Bachelor\u0027s",
      "qualification": "BTECH/BE - Computer Science Engineering",
      "raw": "B.Tech in Computer Science Engineering",
      "requirement": "required"
    }
  ],
  "experience": {
    "max": null,
    "min": 4,
    "raw": "min 4+ years experience in Backend development"
  },
  "job_locations": [],
  "role": "Backend Developer",
  "role_aliases": [
    "Backend Engineer",
    "Software Developer",
    "Java Developer"
  ],
  "role_archetype": "Engineering",
  "roles_and_responsibilities": [
    {
      "bullet_count": 4,
      "heading": "Responsibilities",
      "heading_was_present": true,
      "source_marker": {
        "first_5_words": "\u2022 Contribute in all phases",
        "last_5_words": "for architectural review."
      },
      "text": "\u2022 Contribute in all phases of the software development lifecycle.\n\u2022 Write well designed, testable, efficient code.\n\u2022 Prepare and produce releases of software components.\n\u2022 Support continuous improvement by investigating alternatives and technologies and presenting these for architectural review.",
      "word_count": 44
    },
    {
      "bullet_count": 10,
      "heading": "Requirements",
      "heading_was_present": true,
      "source_marker": {
        "first_5_words": "\u2022 B.Tech in Computer Science",
        "last_5_words": "sense of ownership, urgency and drive."
      },
      "text": "\u2022 B.Tech in Computer Science Engineering with min 4+ years experience in Backend development.\n\u2022 Should have handled 4 team members at least.\n\u2022 Should have a good hold on Data structures and algorithms.\n\u2022 Hands-on experience in designing and developing applications using Java EE platforms.\n\u2022 Object Oriented analysis and design using common design patterns.\n\u2022 Excellent knowledge of Relational Databases, SQL and ORM technologies (JPA2, Hibernate).\n\u2022 Experience in the Spring Framework.\n\u2022 Experience in developing web applications using at least one popular web framework (JSF, Wicket, GWT, Spring MVC).\n\u2022 Experience in writing Unit tests.\n\u2022 Excellent communication, analytical, problem solving skills with a strong sense of ownership, urgency and drive.",
      "word_count": 104
    },
    {
      "bullet_count": 11,
      "heading": "Expertise",
      "heading_was_present": true,
      "source_marker": {
        "first_5_words": "Java (All Versions) - 2",
        "last_5_words": "And Algorithms - 2 Years - Advanced"
      },
      "text": "Java (All Versions) - 2 Years - Advanced\nJava EE\nObject Relational Mapping - (ORM)\nSpring Framework\nSQL\nSpring MVC\nJava Server Faces - (JSF)\nGoogle Web Toolkit - GWT\nData Structures And Algorithms - 2 Years - Advanced\nUI And UX Design\napache wicket",
      "word_count": 38
    }
  ],
  "urls": []
}
API 1 — extract-from-jd click to toggle
{
  "final_skills": [
    {
      "is_primary": true,
      "skill_name": "Java"
    },
    {
      "is_primary": true,
      "skill_name": "Java EE"
    },
    {
      "is_primary": true,
      "skill_name": "ORM"
    },
    {
      "is_primary": true,
      "skill_name": "Spring Framework"
    },
    {
      "is_primary": true,
      "skill_name": "SQL"
    },
    {
      "is_primary": true,
      "skill_name": "Spring MVC"
    },
    {
      "is_primary": true,
      "skill_name": "JSF"
    },
    {
      "is_primary": true,
      "skill_name": "GWT"
    },
    {
      "is_primary": true,
      "skill_name": "Wicket"
    },
    {
      "is_primary": true,
      "skill_name": "Data Structures and Algorithms"
    },
    {
      "is_primary": false,
      "skill_name": "JPA2"
    },
    {
      "is_primary": false,
      "skill_name": "Hibernate"
    },
    {
      "is_primary": false,
      "skill_name": "Unit Testing"
    }
  ],
  "jd_role": {
    "display_name": "Backend Developer",
    "rationale": null,
    "role_aliases": [
      "Backend Engineer",
      "Software Developer",
      "Java Developer"
    ],
    "role_archetype": "Engineering",
    "slug": ""
  },
  "nano_parsed": {
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    "certifications": [],
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    "ctc": null,
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          "Web Development"
        ],
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      },
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    },
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        "level": "Bachelor\u0027s",
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        "raw": "B.Tech in Computer Science Engineering",
        "requirement": "required"
      }
    ],
    "experience": {
      "max": null,
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      "raw": "min 4+ years experience in Backend development"
    },
    "job_locations": [],
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    "role_aliases": [
      "Backend Engineer",
      "Software Developer",
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    "role_archetype": "Engineering",
    "roles_and_responsibilities": [
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        "bullet_count": 4,
        "heading": "Responsibilities",
        "heading_was_present": true,
        "source_marker": {
          "first_5_words": "\u2022 Contribute in all phases",
          "last_5_words": "for architectural review."
        },
        "text": "\u2022 Contribute in all phases of the software development lifecycle.\n\u2022 Write well designed, testable, efficient code.\n\u2022 Prepare and produce releases of software components.\n\u2022 Support continuous improvement by investigating alternatives and technologies and presenting these for architectural review.",
        "word_count": 44
      },
      {
        "bullet_count": 10,
        "heading": "Requirements",
        "heading_was_present": true,
        "source_marker": {
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          "last_5_words": "sense of ownership, urgency and drive."
        },
        "text": "\u2022 B.Tech in Computer Science Engineering with min 4+ years experience in Backend development.\n\u2022 Should have handled 4 team members at least.\n\u2022 Should have a good hold on Data structures and algorithms.\n\u2022 Hands-on experience in designing and developing applications using Java EE platforms.\n\u2022 Object Oriented analysis and design using common design patterns.\n\u2022 Excellent knowledge of Relational Databases, SQL and ORM technologies (JPA2, Hibernate).\n\u2022 Experience in the Spring Framework.\n\u2022 Experience in developing web applications using at least one popular web framework (JSF, Wicket, GWT, Spring MVC).\n\u2022 Experience in writing Unit tests.\n\u2022 Excellent communication, analytical, problem solving skills with a strong sense of ownership, urgency and drive.",
        "word_count": 104
      },
      {
        "bullet_count": 11,
        "heading": "Expertise",
        "heading_was_present": true,
        "source_marker": {
          "first_5_words": "Java (All Versions) - 2",
          "last_5_words": "And Algorithms - 2 Years - Advanced"
        },
        "text": "Java (All Versions) - 2 Years - Advanced\nJava EE\nObject Relational Mapping - (ORM)\nSpring Framework\nSQL\nSpring MVC\nJava Server Faces - (JSF)\nGoogle Web Toolkit - GWT\nData Structures And Algorithms - 2 Years - Advanced\nUI And UX Design\napache wicket",
        "word_count": 38
      }
    ],
    "urls": []
  },
  "rejected": false,
  "rejection_reason": null,
  "run_id": "dc0db627-b102-42e1-a135-f7080629fd59",
  "stage3_signals": {
    "alias_found": true,
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        "score": 1.0,
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      }
    ],
    "kra_match_roles": [
      {
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        "display_name": "Fullstack Developer",
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            "sentence": "Excellent knowledge of Relational Databases, SQL and ORM technologies (JPA2, Hibernate).",
            "similarity": 0.522
          },
          {
            "kra_text": "Works closely with product managers and UX designers to translate requirements and wireframes into working software features through iterative development.",
            "sentence": "Contribute in all phases of the software development lifecycle.",
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            "sentence": "Contribute in all phases of the software development lifecycle.",
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            "kra_text": "optimize responsiveness and performance",
            "sentence": "Write well designed, testable, efficient code.",
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        ],
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        "matched_skills": null,
        "role_id": 74,
        "score": 0.4831,
        "slug": "flutter-developer",
        "total_count": null
      },
      {
        "display_name": "Angular Frontend Developer",
        "kra_matches": [
          {
            "kra_text": "code review and refactoring",
            "sentence": "Write well designed, testable, efficient code.",
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          },
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            "sentence": "Contribute in all phases of the software development lifecycle.",
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          },
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            "kra_text": "collaboration with design and QA",
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        "role_id": 90,
        "score": 0.4683,
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      }
    ],
    "skill_match_roles": [
      {
        "display_name": "Fullstack Developer",
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        "matched_skills": [
          "Java",
          "Spring MVC"
        ],
        "role_id": 15,
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        "slug": "full-stack-engineer",
        "total_count": 10
      },
      {
        "display_name": "Data Engineer",
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        "matched_skills": [
          "Java",
          "SQL"
        ],
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        "score": 0.2,
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        "total_count": 10
      },
      {
        "display_name": "Backend Developer",
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        "matched_count": 2,
        "matched_skills": [
          "Java",
          "Spring MVC"
        ],
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        "score": 0.2,
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        "total_count": 10
      },
      {
        "display_name": "Pega Developer",
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        "matched_count": 2,
        "matched_skills": [
          "Java",
          "SQL"
        ],
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        "score": 0.2,
        "slug": "pega-developer",
        "total_count": 10
      },
      {
        "display_name": "Java Backend Developer",
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          "Java",
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    ]
  },
  "stage4_decision": {
    "alias_collision_detected": false,
    "case": "DOMAIN",
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      "matched_count": null,
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    },
    "confidence": 0.99,
    "is_new_role": false,
    "llm2_fired": false,
    "llm2_reasoning": null,
    "matched_dimensions": [
      "Backend Development",
      "Software Lifecycle Execution",
      "Application Design and Development",
      "Database and ORM Integration",
      "Unit Testing",
      "Architectural Review and Technology Evaluation",
      "Team Leadership"
    ],
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      "Contribute in all phases of the software development lifecycle",
      "Write well designed, testable, efficient code",
      "Prepare and produce releases of software components",
      "Support continuous improvement by investigating alternatives and technologies",
      "Present alternatives for architectural review",
      "Handled 4 team members at least"
    ],
    "matched_skills": [
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      "Java EE",
      "Data structures and algorithms",
      "Object Oriented analysis and design",
      "design patterns",
      "Relational Databases",
      "SQL",
      "ORM technologies",
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      "Spring Framework",
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      "JSF",
      "GWT",
      "apache wicket",
      "Unit tests"
    ],
    "new_role_display_name": null,
    "new_role_slug": null,
    "queued": false,
    "reasoning": "Domain=Software Engineering \u2192 sub-role java-backend-developer; The JD centers on Java backend development with Java EE, Spring, SQL/ORM, unit testing, and software lifecycle responsibilities, which matches Backend Developer best.",
    "sub_role": {
      "confidence": 0.99,
      "display_name": "Java Backend Developer",
      "reasoning": "The JD explicitly centers on Java, Java EE, Spring, Hibernate/JPA, and Java web frameworks, which clearly matches Java Backend Developer.",
      "role_id": 79,
      "slug": "java-backend-developer"
    }
  },
  "stage5_updates": {
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    "centroid_updated": true,
    "collision_log_id": null,
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      "queue_id": 255,
      "r_and_r_preview": "\u2022 Contribute in all phases of the software development lifecycle.\n\u2022 Write well designed, testable, efficient code.\n\u2022 Prepare and produce releases of software components.\n\u2022 Support continuous improveme",
      "role_display_name": "Backend Developer",
      "role_slug": "backend-engineer",
      "status": "pending"
    },
    "new_skills_attached": [
      {
        "is_primary": true,
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        "role_display_name": "Backend Developer",
        "role_slug": "backend-engineer",
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        "status": "pending"
      },
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        "is_primary": true,
        "queue_id": 5321,
        "role_display_name": "Backend Developer",
        "role_slug": "backend-engineer",
        "skill_name": "ORM",
        "status": "pending"
      },
      {
        "is_primary": true,
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        "role_display_name": "Backend Developer",
        "role_slug": "backend-engineer",
        "skill_name": "Spring Framework",
        "status": "pending"
      },
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        "is_primary": true,
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        "role_display_name": "Backend Developer",
        "role_slug": "backend-engineer",
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        "status": "pending"
      },
      {
        "is_primary": true,
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        "role_display_name": "Backend Developer",
        "role_slug": "backend-engineer",
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        "status": "pending"
      },
      {
        "is_primary": true,
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        "role_display_name": "Backend Developer",
        "role_slug": "backend-engineer",
        "skill_name": "Wicket",
        "status": "pending"
      },
      {
        "is_primary": true,
        "queue_id": 5327,
        "role_display_name": "Backend Developer",
        "role_slug": "backend-engineer",
        "skill_name": "Data Structures and Algorithms",
        "status": "pending"
      },
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        "is_primary": false,
        "queue_id": 5328,
        "role_display_name": "Backend Developer",
        "role_slug": "backend-engineer",
        "skill_name": "JPA2",
        "status": "pending"
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    "v3_run_id": null
  }
}
API 2 — extract-details
{
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      "alias_persisted": false,
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        "id": 1,
        "is_also_category": false,
        "is_extractable": true,
        "skill_nature": "LANGUAGE",
        "slug": "java",
        "sub_category_id": 96,
        "typical_lifespan": "EVERGREEN",
        "volatility": "STABLE"
      },
      "matched_via": "alias"
    },
    {
      "alias_persist_skipped_reason": "TODO: REMOVE AFTER TESTING \u2014 alias DB write disabled",
      "alias_persisted": false,
      "existing_alias_id": 2592,
      "existing_alias_text": "Spring Framework 4",
      "input_term": "Spring Framework",
      "matched_canonical": {
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        "is_also_category": false,
        "is_extractable": true,
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      "matched_via": "embedding_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": "SQL",
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      "matched_canonical": {
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        "is_also_category": false,
        "is_extractable": true,
        "skill_nature": "LANGUAGE",
        "slug": "sql",
        "sub_category_id": 97,
        "typical_lifespan": "EVERGREEN",
        "volatility": "STABLE"
      },
      "matched_via": "alias"
    },
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      "alias_persist_skipped_reason": "alias_text already exists for this canonical skill",
      "alias_persisted": false,
      "existing_alias_id": 3400,
      "existing_alias_text": "Spring MVC",
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        "is_also_category": false,
        "is_extractable": true,
        "skill_nature": "FRAMEWORK",
        "slug": "spring-mvc",
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        "typical_lifespan": "EVERGREEN",
        "volatility": "STABLE"
      },
      "matched_via": "alias"
    },
    {
      "alias_persist_skipped_reason": "TODO: REMOVE AFTER TESTING \u2014 alias DB write disabled",
      "alias_persisted": false,
      "existing_alias_id": 1614,
      "existing_alias_text": "Data Structures",
      "input_term": "Data Structures and Algorithms",
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        "id": 1003,
        "is_also_category": false,
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        "skill_nature": "CONCEPT",
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        "typical_lifespan": "EVERGREEN",
        "volatility": "STABLE"
      },
      "matched_via": "embedding_alias"
    },
    {
      "alias_persist_skipped_reason": "TODO: REMOVE AFTER TESTING \u2014 alias DB write disabled",
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      "existing_alias_text": "JPA",
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        "is_also_category": false,
        "is_extractable": true,
        "skill_nature": "STANDARD",
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              "display_name": "Fullstack Developer",
              "id": 15,
              "rationale": null,
              "role_archetype": null,
              "slug": "full-stack-engineer",
              "source": "db"
            },
            {
              "display_name": "Java Backend Developer",
              "id": 79,
              "rationale": null,
              "role_archetype": "Engineering",
              "slug": "java-backend-developer",
              "source": "db"
            },
            {
              "display_name": "Kotlin Backend Developer",
              "id": 84,
              "rationale": null,
              "role_archetype": "Engineering",
              "slug": "kotlin-server-backend-developer",
              "source": "db"
            },
            {
              "display_name": "Node.js Backend Developer",
              "id": 82,
              "rationale": null,
              "role_archetype": "Engineering",
              "slug": "node-backend-developer",
              "source": "db"
            },
            {
              "display_name": "PHP Backend Developer",
              "id": 86,
              "rationale": null,
              "role_archetype": "Engineering",
              "slug": "php-backend-developer",
              "source": "db"
            },
            {
              "display_name": "Python Backend Developer",
              "id": 80,
              "rationale": null,
              "role_archetype": "Engineering",
              "slug": "python-backend-developer",
              "source": "db"
            },
            {
              "display_name": "Ruby Backend Developer",
              "id": 85,
              "rationale": null,
              "role_archetype": "Engineering",
              "slug": "ruby-backend-developer",
              "source": "db"
            }
          ]
        }
      ],
      "input_skill": "Hibernate",
      "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": "Unit Testing",
          "alias_type": "CANONICAL",
          "id": 865,
          "is_primary": false,
          "match_strategy": "CASE_INSENSITIVE"
        }
      ],
      "canonical": {
        "category_id": 8,
        "display_name": "Unit Testing",
        "id": 517,
        "is_also_category": false,
        "is_extractable": true,
        "skill_nature": "METHODOLOGY",
        "slug": "unit-testing",
        "sub_category_id": 44,
        "typical_lifespan": "EVERGREEN",
        "volatility": "STABLE"
      },
      "dimensions": [
        {
          "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": "Unit Testing",
          "llm_role": null,
          "roles_from_db": []
        }
      ],
      "input_skill": "Unit Testing",
      "matched_via": "alias",
      "new_alias_persisted": false,
      "new_alias_text": null,
      "new_skill_meta": null,
      "source_tag": "db",
      "was_in_llm_skills": true
    }
  ],
  "unmatched_skills": [
    "Java EE",
    "ORM",
    "JSF",
    "GWT",
    "Wicket"
  ]
}
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 centers on Java backend development with Java EE, Spring, SQL/ORM, unit testing, and software lifecycle responsibilities, which matches Backend Developer best.",
    "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": "Java EE",
      "tag": "new"
    },
    {
      "skill": "ORM",
      "tag": "new"
    },
    {
      "skill": "Spring Framework",
      "tag": "in_db"
    },
    {
      "skill": "SQL",
      "tag": "in_db"
    },
    {
      "skill": "Spring MVC",
      "tag": "in_db"
    },
    {
      "skill": "JSF",
      "tag": "new"
    },
    {
      "skill": "GWT",
      "tag": "new"
    },
    {
      "skill": "Wicket",
      "tag": "new"
    },
    {
      "skill": "Data Structures and Algorithms",
      "tag": "in_db"
    },
    {
      "skill": "JPA2",
      "tag": "in_db"
    },
    {
      "skill": "Hibernate",
      "tag": "in_db"
    },
    {
      "skill": "Unit Testing",
      "tag": "in_db"
    }
  ],
  "llm_cost_api1_usd": null,
  "llm_cost_api2_usd": null,
  "llm_cost_api3_usd": null,
  "llm_cost_total_usd": null,
  "persistence": {
    "items": [
      {
        "chosen_role_id": 1,
        "dimension": {
          "difficulty_hint": "well_known",
          "display_name": "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,
        "skill_tag": "in_db",
        "skipped_reason": null
      },
      {
        "chosen_role_id": 1,
        "dimension": {
          "difficulty_hint": "well_known",
          "display_name": "Programming Languages",
          "id": 1,
          "rationale": "Primary implementation languages used to build client and server feature code. Full stack engineers need enough fluency to move across layers and implement product behavior end to end.",
          "slug": "programming-languages",
          "source": "db"
        },
        "dimension_id": 1,
        "input_skill": "Java",
        "llm_role": null,
        "matched_chosen_role": true,
        "outcome_line": "Existing dimension (library) \u00b7 Role\u2194dimension saved",
        "role_dimension_saved": true,
        "roles_from_db": [
          {
            "display_name": "Backend Developer",
            "id": 1,
            "rationale": null,
            "role_archetype": "A Backend Engineer designs, builds, and maintains the server-side logic and data handling that power applications and services. They focus on implementing reliable business functionality, integrating with other systems, and ensuring the backend is scalable, maintainable, and observable.",
            "slug": "backend-engineer",
            "source": "db"
          },
          {
            "display_name": "Fullstack Developer",
            "id": 15,
            "rationale": null,
            "role_archetype": null,
            "slug": "full-stack-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": "Programming Languages for Data Work",
          "id": 21,
          "rationale": "Languages used to implement data pipelines, transformations, and operational glue. This is the primary coding surface for building ingestion, enrichment, and automation logic in data engineering.",
          "slug": "programming-languages-for-data-work",
          "source": "db"
        },
        "dimension_id": 21,
        "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": "Data Engineer",
            "id": 2,
            "rationale": null,
            "role_archetype": null,
            "slug": "data-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": "Web Application Frameworks",
          "id": 2,
          "rationale": "Server frameworks and runtimes used to build HTTP services, controllers, middleware, and request pipelines. These frameworks shape how backend endpoints are structured and delivered.",
          "slug": "web-application-frameworks",
          "source": "db"
        },
        "dimension_id": 2,
        "input_skill": "Spring Framework",
        "llm_role": null,
        "matched_chosen_role": true,
        "outcome_line": "Skipped \u2014 no persistable v3 meta for new skill",
        "role_dimension_saved": false,
        "roles_from_db": [
          {
            "display_name": "Backend Developer",
            "id": 1,
            "rationale": null,
            "role_archetype": "A Backend Engineer designs, builds, and maintains the server-side logic and data handling that power applications and services. They focus on implementing reliable business functionality, integrating with other systems, and ensuring the backend is scalable, maintainable, and observable.",
            "slug": "backend-engineer",
            "source": "db"
          },
          {
            "display_name": "Fullstack Developer",
            "id": 15,
            "rationale": null,
            "role_archetype": null,
            "slug": "full-stack-engineer",
            "source": "db"
          },
          {
            "display_name": "Java Backend Developer",
            "id": 79,
            "rationale": null,
            "role_archetype": "Engineering",
            "slug": "java-backend-developer",
            "source": "db"
          },
          {
            "display_name": "Node.js Backend Developer",
            "id": 82,
            "rationale": null,
            "role_archetype": "Engineering",
            "slug": "node-backend-developer",
            "source": "db"
          },
          {
            "display_name": "PHP Backend Developer",
            "id": 86,
            "rationale": null,
            "role_archetype": "Engineering",
            "slug": "php-backend-developer",
            "source": "db"
          },
          {
            "display_name": "Python Backend Developer",
            "id": 80,
            "rationale": null,
            "role_archetype": "Engineering",
            "slug": "python-backend-developer",
            "source": "db"
          }
        ],
        "skill_dimension_saved": false,
        "skill_id": null,
        "skill_tag": "new",
        "skipped_reason": "skill_not_in_db_v3_proposed"
      },
      {
        "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": "SQL",
        "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": 101,
        "skill_tag": "in_db",
        "skipped_reason": null
      },
      {
        "chosen_role_id": 1,
        "dimension": {
          "difficulty_hint": "well_known",
          "display_name": "Programming Languages for Data Work",
          "id": 21,
          "rationale": "Languages used to implement data pipelines, transformations, and operational glue. This is the primary coding surface for building ingestion, enrichment, and automation logic in data engineering.",
          "slug": "programming-languages-for-data-work",
          "source": "db"
        },
        "dimension_id": 21,
        "input_skill": "SQL",
        "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": "Data Engineer",
            "id": 2,
            "rationale": null,
            "role_archetype": null,
            "slug": "data-engineer",
            "source": "db"
          }
        ],
        "skill_dimension_saved": true,
        "skill_id": 101,
        "skill_tag": "in_db",
        "skipped_reason": null
      },
      {
        "chosen_role_id": 1,
        "dimension": {
          "difficulty_hint": "well_known",
          "display_name": "Web Application Frameworks",
          "id": 2,
          "rationale": "Server frameworks and runtimes used to build HTTP services, controllers, middleware, and request pipelines. These frameworks shape how backend endpoints are structured and delivered.",
          "slug": "web-application-frameworks",
          "source": "db"
        },
        "dimension_id": 2,
        "input_skill": "Spring MVC",
        "llm_role": null,
        "matched_chosen_role": true,
        "outcome_line": "Existing dimension (library) \u00b7 Role\u2194dimension saved",
        "role_dimension_saved": true,
        "roles_from_db": [
          {
            "display_name": "Backend Developer",
            "id": 1,
            "rationale": null,
            "role_archetype": "A Backend Engineer designs, builds, and maintains the server-side logic and data handling that power applications and services. They focus on implementing reliable business functionality, integrating with other systems, and ensuring the backend is scalable, maintainable, and observable.",
            "slug": "backend-engineer",
            "source": "db"
          },
          {
            "display_name": "Fullstack Developer",
            "id": 15,
            "rationale": null,
            "role_archetype": null,
            "slug": "full-stack-engineer",
            "source": "db"
          },
          {
            "display_name": "Java Backend Developer",
            "id": 79,
            "rationale": null,
            "role_archetype": "Engineering",
            "slug": "java-backend-developer",
            "source": "db"
          },
          {
            "display_name": "Node.js Backend Developer",
            "id": 82,
            "rationale": null,
            "role_archetype": "Engineering",
            "slug": "node-backend-developer",
            "source": "db"
          },
          {
            "display_name": "PHP Backend Developer",
            "id": 86,
            "rationale": null,
            "role_archetype": "Engineering",
            "slug": "php-backend-developer",
            "source": "db"
          },
          {
            "display_name": "Python Backend Developer",
            "id": 80,
            "rationale": null,
            "role_archetype": "Engineering",
            "slug": "python-backend-developer",
            "source": "db"
          }
        ],
        "skill_dimension_saved": true,
        "skill_id": 2191,
        "skill_tag": "in_db",
        "skipped_reason": null
      },
      {
        "chosen_role_id": 1,
        "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"
        },
        "dimension_id": 96,
        "input_skill": "Data Structures and Algorithms",
        "llm_role": null,
        "matched_chosen_role": false,
        "outcome_line": "Skipped \u2014 no persistable v3 meta for new skill",
        "role_dimension_saved": false,
        "roles_from_db": [],
        "skill_dimension_saved": false,
        "skill_id": null,
        "skill_tag": "new",
        "skipped_reason": "skill_not_in_db_v3_proposed"
      },
      {
        "chosen_role_id": 1,
        "dimension": {
          "difficulty_hint": "well_known",
          "display_name": "Application ORM and Repository-Based Data Access",
          "id": 459,
          "rationale": "Libraries, patterns, and abstractions used in application service code to map objects/entities to relational databases and encapsulate persistence access. This includes ORM frameworks, repository/DAO patterns, entity/object mapping, query composition/execution, transactions, and connection handling across Scala and Java ecosystems (for example Slick, Doobie, Quill, Hibernate, JPA, Spring Data JPA, JPQL, and Criteria-style query APIs).",
          "slug": "application-orm-and-repository-based-data-access",
          "source": "db"
        },
        "dimension_id": 459,
        "input_skill": "JPA2",
        "llm_role": null,
        "matched_chosen_role": false,
        "outcome_line": "Skipped \u2014 no persistable v3 meta for new skill",
        "role_dimension_saved": false,
        "roles_from_db": [
          {
            "display_name": "Scala Backend Developer",
            "id": 87,
            "rationale": null,
            "role_archetype": "Engineering",
            "slug": "scala-backend-developer",
            "source": "db"
          }
        ],
        "skill_dimension_saved": false,
        "skill_id": null,
        "skill_tag": "new",
        "skipped_reason": "skill_not_in_db_v3_proposed"
      },
      {
        "chosen_role_id": 1,
        "dimension": {
          "difficulty_hint": "well_known",
          "display_name": "ORMs and Data Access Layers",
          "id": 5,
          "rationale": "Libraries and patterns used to map application objects to persistent storage and encapsulate database access. This cluster covers repository patterns, query builders, and persistence abstractions.",
          "slug": "orms-and-data-access-layers",
          "source": "db"
        },
        "dimension_id": 5,
        "input_skill": "JPA2",
        "llm_role": null,
        "matched_chosen_role": true,
        "outcome_line": "Skipped \u2014 no persistable v3 meta for new skill",
        "role_dimension_saved": false,
        "roles_from_db": [
          {
            "display_name": ".NET Backend Developer",
            "id": 83,
            "rationale": null,
            "role_archetype": "Engineering",
            "slug": "dotnet-backend-developer",
            "source": "db"
          },
          {
            "display_name": "Backend Developer",
            "id": 1,
            "rationale": null,
            "role_archetype": "A Backend Engineer designs, builds, and maintains the server-side logic and data handling that power applications and services. They focus on implementing reliable business functionality, integrating with other systems, and ensuring the backend is scalable, maintainable, and observable.",
            "slug": "backend-engineer",
            "source": "db"
          },
          {
            "display_name": "Fullstack Developer",
            "id": 15,
            "rationale": null,
            "role_archetype": null,
            "slug": "full-stack-engineer",
            "source": "db"
          },
          {
            "display_name": "Java Backend Developer",
            "id": 79,
            "rationale": null,
            "role_archetype": "Engineering",
            "slug": "java-backend-developer",
            "source": "db"
          },
          {
            "display_name": "Kotlin Backend Developer",
            "id": 84,
            "rationale": null,
            "role_archetype": "Engineering",
            "slug": "kotlin-server-backend-developer",
            "source": "db"
          },
          {
            "display_name": "Node.js Backend Developer",
            "id": 82,
            "rationale": null,
            "role_archetype": "Engineering",
            "slug": "node-backend-developer",
            "source": "db"
          },
          {
            "display_name": "PHP Backend Developer",
            "id": 86,
            "rationale": null,
            "role_archetype": "Engineering",
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        ],
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        "roles_from_db": [
          {
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          {
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          {
            "display_name": "Kotlin Backend Developer",
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            "display_name": "PHP Backend Developer",
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            "role_archetype": "Engineering",
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          },
          {
            "display_name": "Python Backend Developer",
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            "slug": "python-backend-developer",
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          },
          {
            "display_name": "Ruby Backend Developer",
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      },
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          "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",
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        },
        "dimension_id": 96,
        "input_skill": "Unit Testing",
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        "role_dimension_saved": false,
        "roles_from_db": [],
        "skill_dimension_saved": true,
        "skill_id": 517,
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      }
    ],
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  },
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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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