Pipeline run

4cc86749-5a33-4949-a241-cf585371b22c

Pipeline LLM cost (USD)

API 1: $0.0037 API 2: $0.0002 API 3: $0.0000 Total: $0.0039

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 · Performance and production support

Build and ship moderately complex Java backend features and bug fixes, with a heavy focus on debugging issues across dev/test/prod, keeping code reusable and secure, and supporting on-call/production stability plus junior mentoring. Also work on API integration, SQL/data concepts, and CI/CD automation.

"Debug and resolve issues across development, testing, and production environments."

Tech stack maturity

Mainstream Modern

The skill set centers on widely used enterprise backend technologies and practices such as Java, APIs, CI/CD, SQL, secure coding, and distributed systems, which aligns with mainstream modern software stacks.

AI index (0 = no AI use, 5 = totally AI-dependent · v2.1)

0.00 / 5

· Title match

· Has AI skill

· AI skill (primary)

· AI skill (secondary)

· On AI team

· Builds AI products

vocab breakdown (legacy)

Assistants (×1): —

Frameworks (×2): —

Models / concepts (×3): —

Evidence — skills matched in JD (15)

Java SQL Swagger Agile CI/CD Version Control Automation APIs Distributed Systems Object-Oriented Programming Design Patterns Algorithms Data Structures Secure Coding Scripting

Skill cluster (4 dimension groups, role-scoped)

Backend Security Hardening

Secure Coding

Performance and Scalability Tuning

Distributed Systems

Programming Languages

Java

Cross-cutting / unaligned

SQL Swagger Agile CI/CD Version Control Automation APIs Object-Oriented Programming Design Patterns Algorithms Data Structures Scripting

Show KRA description ↓

• Develop and deliver well-defined, moderately complex features as per specifications. • Debug and resolve issues across development, testing, and production environments. • Design and implement new features and bug fixes. • Write clean, scalable, and reusable code, adhering to best practices. • Participate in team meetings, contribute to feature delivery, and support onboarding of junior team members. • Act as the initial on-call responder and maintain awareness of the entire story lifecycle. • Mentor Level 1 team members and engage in the RFC process. • Expertise in Java, with knowledge of modern language features and frameworks. • Advanced problem-solving skills in distributed architectures. • Proficiency in object-oriented design, design patterns, and software development principles. • Experience with high-performance, low-latency, scalable applications. • Strong skills in algorithms, data structures, and database concepts (SQL). • Ability to integrate APIs and use tools like Swagger for documentation. • Familiarity with Agile Development principles and continuous improvement practices. • Competence in debugging, version control, and software testing. • Knowledge of secure coding practices and CI/CD automation. • Intermediate experience in CI/CD automation and orchestration. • Skills in scripting and process automation.

Signals

Skill scala-backend-developer

0.27

Alias backend-engineer

1.00

KRA full-stack-engineer

0.60

Status: completed Created: 2026-05-27T17:34:57.513485Z Updated: 2026-05-27T17:35:58.502464Z API 3 duration: 9500 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

CASE A

slug: backend-engineer · id: 1 · source: db

Multi-alias tie (5 roles at 1.0) resolved by TIER_C_SKILL: Backend Developer

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

New skills

Skill↔dim saved

Role↔dim saved

Skipped

Job description

Company Description

Ivy is a global, cutting-edge software and support services provider, partnering with one of the world’s biggest online gaming and entertainment groups. Founded in 2001, we’ve grown from a small tech company in Hyderabad to one creating innovative software solutions used by millions of consumers around the world, with billions of transactions taking place to head even some of the biggest technology giants. Focused on quality at scale, we deliver excellence to our customers day in and day out, with everyone working together to make what sometimes feels impossible, possible.

This means that not only do you get to work for a dynamic organization delivering pioneering technology, gaming and business solutions, you can also have an exciting and entertaining career. At Ivy, Bright Minds Shine Brighter.

Job Description

As a Software Development Engineer, you will design, develop, deploy, and maintain software features for both Backend and Frontend domains.

Reporting to the Engineering Manager, you'll be part of the Product & Tech Team, handling the full Software Development Lifecycle (SDLC) with a focus on middle-complexity software components. To succeed in this role you will need to be a skilled developer with a strong foundation in Java and software design principles, capable of handling complex tasks, contributing to a collaborative team environment, and continuously seeking to improve processes and code quality.

Are you ready to be a part of our journey delivering excellence and collaborating with one of the world's biggest online gaming and entertainment groups?

What You Will Do

Qualifications

• Expertise in Java, with knowledge of modern language features and frameworks.
• Advanced problem-solving skills in distributed architectures.
• Proficiency in object-oriented design, design patterns, and software development principles.
• Experience with high-performance, low-latency, scalable applications.
• Strong skills in algorithms, data structures, and database concepts (SQL).
• Ability to integrate APIs and use tools like Swagger for documentation.
• Familiarity with Agile Development principles and continuous improvement practices.
• Competence in debugging, version control, and software testing.
• Knowledge of secure coding practices and CI/CD automation.
• Intermediate experience in CI/CD automation and orchestration.
• Skills in scripting and process automation.

Additional Information

At Ivy, we know that signing top players requires a great starting package, and plenty of support to inspire peak performance. Join us, and a competitive salary is just the beginning.

Depending on your role and location, you can expect to receive benefits like:

• Safe home pickup and home drop (Hyderabad Office Only)
• Group Mediclaim policy
• Group Critical Illness policy
• Communication & Relocation allowance
• Annual Health check

And outside of this, you’ll have the chance to turn recognition from leaders and colleagues into amazing prizes. Join a winning team of talented people and be a part of an inclusive and supporting community where everyone is celebrated for being themselves.

Should you need any adjustments or accommodations to the recruitment process, at either application or interview, please contact us.

At Ivy, we do what’s right. It’s one of our core values and that’s why we're taking the lead when it comes to creating a diverse, equitable and inclusive future - for our people, and the wider global sports betting and gaming sector. However you identify, across any protected characteristic, our ambition is to ensure our people across the globe feel valued, respected and their individuality celebrated.

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 & DSLs Catalog dimension db id 475

Library dimension (catalog)

Roles linked in library: Engineering Manager
Programming Languages for Data Work Catalog dimension db id 21

Library dimension (catalog)

Roles linked in library: Data Engineer

API 3 link attempts (this skill)

Dimension	Skill↔dim	Role↔dim	Outcome
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 & DSLs programming-languages-dsls	✓	—	Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
Programming Languages for Data Work programming-languages-for-data-work	✓	—	Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)

SQL Primary Library skill API 3: existing canonical (in_db) Existing skill (matched library)

Canonical: SQL id=101 · sql

Aliases — catalog

SQL (CANONICAL) primary

Context tags (catalog)

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

Stored enrichment (catalog DB)

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

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

Skill profile (library / DB)

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

Dimensions (API 2 worklist)

Pega Programming Languages & DSLs Catalog dimension db id 267

Library dimension (catalog)

Roles linked in library: Pega Developer
Programming Languages & DSLs Catalog dimension db id 475

Library dimension (catalog)

Roles linked in library: Engineering Manager
Programming Languages for Data Work Catalog dimension db id 21

Library dimension (catalog)

Roles linked in library: Data Engineer

API 3 link attempts (this skill)

Dimension	Skill↔dim	Role↔dim	Outcome
Pega Programming Languages & DSLs pega-programming-languages-dsls	✓	—	Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
Programming Languages & DSLs programming-languages-dsls	✓	—	Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
Programming Languages for Data Work programming-languages-for-data-work	✓	—	Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)

Swagger Primary Library skill API 3: existing canonical (in_db) Existing skill (matched library)

Canonical: Swagger id=2410 · swagger

Aliases — catalog

Swagger (CANONICAL) primary

Context tags (catalog)

API contracts API design API documentation API governance API specification API testing API versioning JSON Schema OpenAPI RESTful APIs RESTful services Swagger Editor Swagger UI YAML annotations client SDKs code generation endpoint endpoint definitions mock server mock servers

Stored enrichment (catalog DB)

Category: Standard
Sub-category: Api Specification
Vendor: SmartBear
License: apache_2
Year introduced: 2011
Confidence: 0.90
Version strategy: NOT_APPLICABLE

Maturity reasoning: Swagger/OpenAPI is a common API-spec requirement in job postings and vendor docs; Swagger UI/Editor remain widely used for REST API design and documentation.

Skill profile (library / DB)

Skill nature: STANDARD
Volatility: STABLE
Typical lifespan: EVERGREEN
Category id: 12
Sub-category id: 57
Extractable: True
Also category: False

Dimensions (API 2 worklist)

API Interface and Contract Design Catalog dimension db id 289

Library dimension (catalog)

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

API 3 link attempts (this skill)

Dimension	Skill↔dim	Role↔dim	Outcome
API Interface and Contract Design api-interface-and-contract-design	✓	—	Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)

Agile Primary Library skill API 3: existing canonical (in_db) Existing skill (matched library)

Canonical: Agile id=520 · agile

Aliases — catalog

Agile (CANONICAL) primary

Context tags (catalog)

Kanban SAFe Scrum backlog backlog grooming burndown burndown chart continuous delivery continuous improvement cross-functional daily standup epics incremental development iteration iteration planning lean product backlog product owner retrospective sprint sprint planning stand-up story points user stories velocity

Stored enrichment (catalog DB)

Category: Methodology
Sub-category: Agile
Confidence: 0.99
Version strategy: NOT_APPLICABLE

Maturity reasoning: Agile appears in a large share of software job descriptions and is a standard hiring-pipeline requirement; Scrum/Kanban are commonly listed alongside it, showing broad market adoption.

Skill profile (library / DB)

Skill nature: METHODOLOGY
Volatility: STABLE
Typical lifespan: EVERGREEN
Category id: 8
Sub-category id: 3594
Extractable: True
Also category: False

Dimensions (API 2 worklist)

React Frontend Development Catalog dimension db id 96

Library dimension (catalog)
Software Concepts, Patterns & Practices Catalog dimension db id 478

Library dimension (catalog)

Roles linked in library: Engineering Manager

API 3 link attempts (this skill)

Dimension	Skill↔dim	Role↔dim	Outcome
React Frontend Development d_init_01	✓	—	Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
Software Concepts, Patterns & Practices software-concepts-patterns-practices	✓	—	Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)

CI/CD Primary Library skill API 3: existing canonical (in_db) Existing skill (matched library)

Canonical: CI/CD id=1190 · ci-cd

Aliases — catalog

CI/CD (CANONICAL)

Context tags (catalog)

Ansible CircleCI Docker GitLab CI Jenkins Kubernetes Terraform Travis CI automated testing build automation continuous deployment continuous integration deployment pipelines monitoring version control

Stored enrichment (catalog DB)

Category: Methodology
Sub-category: Ci Cd Process
Confidence: 0.93
Version strategy: NOT_APPLICABLE

Maturity reasoning: CI/CD appears in a large share of software engineering JDs and is a standard requirement across DevOps, platform, and backend roles; major vendors like GitHub, GitLab, and AWS all center product roadmaps on CI/CD pipelines.

Skill profile (library / DB)

Skill nature: METHODOLOGY
Volatility: STABLE
Typical lifespan: EVERGREEN
Category id: 8
Sub-category id: 900
Extractable: True
Also category: False

Dimensions (API 2 worklist)

CI/CD Pipeline Platforms Catalog dimension db id 150

Library dimension (catalog)

Roles linked in library: DevOps Engineer
CI/CD for Machine Learning Catalog dimension db id 56

Library dimension (catalog)

Roles linked in library: ML Engineer

API 3 link attempts (this skill)

Dimension	Skill↔dim	Role↔dim	Outcome
CI/CD Pipeline Platforms ci-cd-pipeline-platforms	✓	—	Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
CI/CD for Machine Learning ci-cd-for-machine-learning	✓	—	Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)

Version Control 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: Version Control Systems
Sub-category: general
Skill nature: PRACTICE
Volatility: MEDIUM
Typical lifespan: MULTI_YEAR
Version strategy: UNVERSIONED

Automation 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: DevOps Tools
Sub-category: general
Skill nature: PRACTICE
Volatility: MEDIUM
Typical lifespan: MULTI_YEAR
Version strategy: UNVERSIONED

APIs Primary Library skill API 3: existing canonical (in_db) Existing skill (matched library)

Canonical: APIs id=1192 · apis

Aliases — catalog

APIs (CANONICAL)

Context tags (catalog)

API Gateway Endpoint GraphQL JSON JWT Microservices OAuth Postman REST Rate Limiting SOAP Swagger Throttling Webhooks XML

Stored enrichment (catalog DB)

Category: Protocol
Sub-category: Application Programming Interfaces
Confidence: 0.93
Version strategy: NOT_APPLICABLE

Maturity reasoning: APIs are a hiring-pipeline staple across backend, mobile, and platform JDs; REST/GraphQL/API design appears in large volumes of job postings and vendor docs, indicating broad adoption.

Skill profile (library / DB)

Skill nature: PROTOCOL
Volatility: STABLE
Typical lifespan: EVERGREEN
Category id: 10
Sub-category id: 902
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)

Distributed Systems Primary Library skill API 3: existing canonical (in_db) Existing skill (matched library)

Canonical: Distributed Systems id=1369 · distributed-systems

Aliases — catalog

Distributed Systems (CANONICAL)

Context tags (catalog)

CAP theorem Docker Swarm Kafka MapReduce Zookeeper consensus algorithms distributed databases eventual consistency fault tolerance gRPC load balancing message queues microservices replication sharding

Stored enrichment (catalog DB)

Category: Concept
Sub-category: Distributed Systems
Confidence: 0.98
Version strategy: NOT_APPLICABLE

Maturity reasoning: Common hiring requirement in backend/platform JDs at large tech firms; appears across AWS, Kafka, microservices, and systems roles, with strong GitHub/Stack Overflow activity and no sunset signal.

Skill profile (library / DB)

Skill nature: CONCEPT
Volatility: STABLE
Typical lifespan: EVERGREEN
Category id: 2
Sub-category id: 1035
Extractable: True
Also category: False

Dimensions (API 2 worklist)

Cloud Platforms Catalog dimension db id 20

Library dimension (catalog)

Roles linked in library: .NET Backend Developer, Backend Developer, Cyber Security Engineer, Data Engineer, DevOps Engineer, Fullstack Developer, Go Backend Developer, Java Backend Developer, Kotlin Backend Developer, ML Engineer, MLOps Engineer, Node.js Backend Developer, Python Backend Developer, Scala Backend Developer
Performance and Scalability Tuning Catalog dimension db id 11

Library dimension (catalog)

Roles linked in library: .NET Backend Developer, Backend Developer, Node.js Backend Developer, PHP Backend Developer, Python 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
Cloud Platforms cloud-platforms	✓	✓	Existing dimension (library) · Role↔dimension saved
Performance and Scalability Tuning performance-and-scalability-tuning	✓	✓	Existing dimension (library) · Role↔dimension saved
React Frontend Development d_init_01	✓	—	Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)

Object-Oriented Programming 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

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)

Algorithms Primary Library skill API 3: existing canonical (in_db) Existing skill (matched library)

Canonical: Algorithms id=1004 · algorithms

Aliases — catalog

Algorithms (CANONICAL)

Context tags (catalog)

Big O notation backtracking binary trees breadth-first search complexity analysis data structures depth-first search divide and conquer dynamic programming graph algorithms greedy algorithms hashing recursion search algorithms sorting algorithms

Stored enrichment (catalog DB)

Category: Concept
Sub-category: Algorithms
Confidence: 0.98
Version strategy: NOT_APPLICABLE

Maturity reasoning: Algorithms are a core hiring staple in software JDs and interview loops across FAANG and general SWE roles; they remain a standard CS curriculum topic rather than a niche tool or sunset technology.

Skill profile (library / DB)

Skill nature: CONCEPT
Volatility: STABLE
Typical lifespan: EVERGREEN
Category id: 2
Sub-category id: 732
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)

Data Structures 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	✓	—	Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)

Secure Coding Primary Library skill API 3: existing canonical (in_db) Existing skill (matched library)

Canonical: Secure coding id=2203 · secure-coding

Aliases — catalog

Secure coding (CANONICAL) primary

Context tags (catalog)

OWASP SQL injection XSS authentication authorization best practices code review data protection encryption input validation secure design secure libraries security testing threat modeling vulnerability assessment

Stored enrichment (catalog DB)

Category: Methodology
Sub-category: Development Methodology
Confidence: 0.90
Version strategy: NOT_APPLICABLE

Maturity reasoning: Secure coding is broadly expected in software JDs and security-aware engineering roles; OWASP Top 10, SAST/DAST, and secure SDLC requirements appear across major employers and compliance-driven postings.

Skill profile (library / DB)

Skill nature: METHODOLOGY
Volatility: STABLE
Typical lifespan: EVERGREEN
Category id: 8
Sub-category id: 1693
Extractable: True
Also category: False

Dimensions (API 2 worklist)

Backend Security Hardening Catalog dimension db id 16

Library dimension (catalog)

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

API 3 link attempts (this skill)

Dimension	Skill↔dim	Role↔dim	Outcome
Backend Security Hardening backend-security-hardening	✓	✓	Existing dimension (library) · Role↔dimension saved

Scripting 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 Languages
Sub-category: general
Skill nature: LANGUAGE
Volatility: MEDIUM
Typical lifespan: MULTI_YEAR
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
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 & DSLs programming-languages-dsls	✓	—	Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
Java	in_db	Programming Languages for Data Work programming-languages-for-data-work	✓	—	Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
SQL	in_db	Pega Programming Languages & DSLs pega-programming-languages-dsls	✓	—	Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
SQL	in_db	Programming Languages & DSLs programming-languages-dsls	✓	—	Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
SQL	in_db	Programming Languages for Data Work programming-languages-for-data-work	✓	—	Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
Swagger	in_db	API Interface and Contract Design api-interface-and-contract-design	✓	—	Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
Agile	in_db	React Frontend Development d_init_01	✓	—	Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
Agile	in_db	Software Concepts, Patterns & Practices software-concepts-patterns-practices	✓	—	Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
CI/CD	in_db	CI/CD Pipeline Platforms ci-cd-pipeline-platforms	✓	—	Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
CI/CD	in_db	CI/CD for Machine Learning ci-cd-for-machine-learning	✓	—	Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
APIs	in_db	React Frontend Development d_init_01	✓	—	Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
Distributed Systems	in_db	Cloud Platforms cloud-platforms	✓	✓	Existing dimension (library) · Role↔dimension saved
Distributed Systems	in_db	Performance and Scalability Tuning performance-and-scalability-tuning	✓	✓	Existing dimension (library) · Role↔dimension saved
Distributed Systems	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)
Algorithms	in_db	React Frontend Development d_init_01	✓	—	Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
Data Structures	in_db	React Frontend Development d_init_01	✓	—	Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
Secure Coding	in_db	Backend Security Hardening backend-security-hardening	✓	✓	Existing dimension (library) · Role↔dimension saved

Library artifacts (this run)

Kind	Detail	DB id
canonical_skill_proposed	Version Control \| type=Version Control Systems subtype=general nature=PRACTICE lifespan=MULTI_YEAR
canonical_skill_proposed	Automation \| type=DevOps Tools subtype=general nature=PRACTICE lifespan=MULTI_YEAR
canonical_skill_proposed	Object-Oriented Programming \| type=Programming Concepts subtype=general nature=CONCEPT lifespan=EVERGREEN
canonical_skill_proposed	Scripting \| type=Programming Languages subtype=general nature=LANGUAGE lifespan=MULTI_YEAR

nano JD Parser — gpt-4.1-nano click to toggle

RoleSoftware Development Engineer

CompanyIvy

DomainGaming

Location Hyderabad, India (onsite)

JD type pass

Show raw JSON

{
  "JD_type": "pass",
  "about_company": {
    "source_marker": {
      "first_5_words": "Ivy is a global, cutting-edge",
      "last_5_words": "feels impossible, possible."
    },
    "text": "Ivy is a global, cutting-edge software and support services provider, partnering with one of the world\u2019s biggest online gaming and entertainment groups. Founded in 2001, we\u2019ve grown from a small tech company in Hyderabad to one creating innovative software solutions used by millions of consumers around the world, with billions of transactions taking place to head even some of the biggest technology giants. Focused on quality at scale, we deliver excellence to our customers day in and day out, with everyone working together to make what sometimes feels impossible, possible.",
    "word_count": 84
  },
  "certifications": [],
  "company_name": "Ivy",
  "ctc": null,
  "domain": {
    "primary": {
      "aliases": [
        "Online Gaming",
        "Entertainment"
      ],
      "domain": "Gaming"
    },
    "secondary": null
  },
  "education": [],
  "experience": {
    "max": null,
    "min": null,
    "raw": null
  },
  "job_locations": [
    {
      "aliases": [
        "Hyderabad, AP"
      ],
      "city": "Hyderabad",
      "country": "India",
      "state": "Telangana",
      "work_mode": "onsite"
    }
  ],
  "role": "Software Development Engineer",
  "role_aliases": [
    "Software Engineer",
    "SDE",
    "Backend Developer",
    "Frontend Developer"
  ],
  "role_archetype": "Engineering",
  "roles_and_responsibilities": [
    {
      "bullet_count": 7,
      "heading": "What You Will Do",
      "heading_was_present": true,
      "source_marker": {
        "first_5_words": "\u2022 Develop and deliver well-defined,",
        "last_5_words": "and engage in the RFC process."
      },
      "text": "\u2022 Develop and deliver well-defined, moderately complex features as per specifications.\n\u2022 Debug and resolve issues across development, testing, and production environments.\n\u2022 Design and implement new features and bug fixes.\n\u2022 Write clean, scalable, and reusable code, adhering to best practices.\n\u2022 Participate in team meetings, contribute to feature delivery, and support onboarding of junior team members.\n\u2022 Act as the initial on-call responder and maintain awareness of the entire story lifecycle.\n\u2022 Mentor Level 1 team members and engage in the RFC process.",
      "word_count": 83
    },
    {
      "bullet_count": 11,
      "heading": "Qualifications",
      "heading_was_present": true,
      "source_marker": {
        "first_5_words": "\u2022 Expertise in Java, with knowledge",
        "last_5_words": "scripting and process automation."
      },
      "text": "\u2022 Expertise in Java, with knowledge of modern language features and frameworks.\n\u2022 Advanced problem-solving skills in distributed architectures.\n\u2022 Proficiency in object-oriented design, design patterns, and software development principles.\n\u2022 Experience with high-performance, low-latency, scalable applications.\n\u2022 Strong skills in algorithms, data structures, and database concepts (SQL).\n\u2022 Ability to integrate APIs and use tools like Swagger for documentation.\n\u2022 Familiarity with Agile Development principles and continuous improvement practices.\n\u2022 Competence in debugging, version control, and software testing.\n\u2022 Knowledge of secure coding practices and CI/CD automation.\n\u2022 Intermediate experience in CI/CD automation and orchestration.\n\u2022 Skills in scripting and process automation.",
      "word_count": 134
    }
  ],
  "urls": []
}

API 1 — extract-from-jd click to toggle

{
  "final_skills": [
    {
      "is_primary": true,
      "skill_name": "Java"
    },
    {
      "is_primary": true,
      "skill_name": "SQL"
    },
    {
      "is_primary": true,
      "skill_name": "Swagger"
    },
    {
      "is_primary": true,
      "skill_name": "Agile"
    },
    {
      "is_primary": true,
      "skill_name": "CI/CD"
    },
    {
      "is_primary": true,
      "skill_name": "Version Control"
    },
    {
      "is_primary": true,
      "skill_name": "Automation"
    },
    {
      "is_primary": true,
      "skill_name": "APIs"
    },
    {
      "is_primary": true,
      "skill_name": "Distributed Systems"
    },
    {
      "is_primary": true,
      "skill_name": "Object-Oriented Programming"
    },
    {
      "is_primary": true,
      "skill_name": "Design Patterns"
    },
    {
      "is_primary": true,
      "skill_name": "Algorithms"
    },
    {
      "is_primary": true,
      "skill_name": "Data Structures"
    },
    {
      "is_primary": true,
      "skill_name": "Secure Coding"
    },
    {
      "is_primary": true,
      "skill_name": "Scripting"
    }
  ],
  "jd_role": {
    "display_name": "Software Development Engineer",
    "rationale": null,
    "role_aliases": [
      "Software Engineer",
      "SDE",
      "Backend Developer",
      "Frontend Developer"
    ],
    "role_archetype": "Engineering",
    "slug": ""
  },
  "nano_parsed": {
    "JD_type": "pass",
    "about_company": {
      "source_marker": {
        "first_5_words": "Ivy is a global, cutting-edge",
        "last_5_words": "feels impossible, possible."
      },
      "text": "Ivy is a global, cutting-edge software and support services provider, partnering with one of the world\u2019s biggest online gaming and entertainment groups. Founded in 2001, we\u2019ve grown from a small tech company in Hyderabad to one creating innovative software solutions used by millions of consumers around the world, with billions of transactions taking place to head even some of the biggest technology giants. Focused on quality at scale, we deliver excellence to our customers day in and day out, with everyone working together to make what sometimes feels impossible, possible.",
      "word_count": 84
    },
    "certifications": [],
    "company_name": "Ivy",
    "ctc": null,
    "domain": {
      "primary": {
        "aliases": [
          "Online Gaming",
          "Entertainment"
        ],
        "domain": "Gaming"
      },
      "secondary": null
    },
    "education": [],
    "experience": {
      "max": null,
      "min": null,
      "raw": null
    },
    "job_locations": [
      {
        "aliases": [
          "Hyderabad, AP"
        ],
        "city": "Hyderabad",
        "country": "India",
        "state": "Telangana",
        "work_mode": "onsite"
      }
    ],
    "role": "Software Development Engineer",
    "role_aliases": [
      "Software Engineer",
      "SDE",
      "Backend Developer",
      "Frontend Developer"
    ],
    "role_archetype": "Engineering",
    "roles_and_responsibilities": [
      {
        "bullet_count": 7,
        "heading": "What You Will Do",
        "heading_was_present": true,
        "source_marker": {
          "first_5_words": "\u2022 Develop and deliver well-defined,",
          "last_5_words": "and engage in the RFC process."
        },
        "text": "\u2022 Develop and deliver well-defined, moderately complex features as per specifications.\n\u2022 Debug and resolve issues across development, testing, and production environments.\n\u2022 Design and implement new features and bug fixes.\n\u2022 Write clean, scalable, and reusable code, adhering to best practices.\n\u2022 Participate in team meetings, contribute to feature delivery, and support onboarding of junior team members.\n\u2022 Act as the initial on-call responder and maintain awareness of the entire story lifecycle.\n\u2022 Mentor Level 1 team members and engage in the RFC process.",
        "word_count": 83
      },
      {
        "bullet_count": 11,
        "heading": "Qualifications",
        "heading_was_present": true,
        "source_marker": {
          "first_5_words": "\u2022 Expertise in Java, with knowledge",
          "last_5_words": "scripting and process automation."
        },
        "text": "\u2022 Expertise in Java, with knowledge of modern language features and frameworks.\n\u2022 Advanced problem-solving skills in distributed architectures.\n\u2022 Proficiency in object-oriented design, design patterns, and software development principles.\n\u2022 Experience with high-performance, low-latency, scalable applications.\n\u2022 Strong skills in algorithms, data structures, and database concepts (SQL).\n\u2022 Ability to integrate APIs and use tools like Swagger for documentation.\n\u2022 Familiarity with Agile Development principles and continuous improvement practices.\n\u2022 Competence in debugging, version control, and software testing.\n\u2022 Knowledge of secure coding practices and CI/CD automation.\n\u2022 Intermediate experience in CI/CD automation and orchestration.\n\u2022 Skills in scripting and process automation.",
        "word_count": 134
      }
    ],
    "urls": []
  },
  "rejected": false,
  "rejection_reason": null,
  "run_id": "4cc86749-5a33-4949-a241-cf585371b22c",
  "stage3_signals": {
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      {
        "display_name": "Frontend Developer",
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        "display_name": "Web Developer",
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        "role_id": 25,
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      {
        "display_name": "Frontend Developer",
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        "role_id": 439,
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      {
        "display_name": "Backend Developer",
        "kra_matches": null,
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    "kra_match_roles": [
      {
        "display_name": "Fullstack Developer",
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            "kra_text": "Works closely with product managers and UX designers to translate requirements and wireframes into working software features through iterative development.",
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            "kra_text": "Works closely with product managers and UX designers to translate requirements and wireframes into working software features through iterative development.",
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            "similarity": 0.5502
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        "matched_count": null,
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        "score": 0.5981,
        "slug": "full-stack-engineer",
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      },
      {
        "display_name": "Backend Developer",
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            "kra_text": "Investigates and resolves production incidents, API bugs, and service degradation through root cause analysis, hotfixes, and post-mortems.",
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            "similarity": 0.6108
          },
          {
            "kra_text": "Designs and maintains RESTful and GraphQL API interfaces with proper authentication, versioning, rate limiting, and documentation for frontend and third-party consumers.",
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            "similarity": 0.5341
          },
          {
            "kra_text": "Configures Docker containers, deployment descriptors, environment variables, and CI/CD pipeline stages for backend service releases.",
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            "similarity": 0.5163
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        ],
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        "role_id": 1,
        "score": 0.5537,
        "slug": "backend-engineer",
        "total_count": null
      },
      {
        "display_name": "React Native Developer",
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            "kra_text": "maintain code quality",
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          {
            "kra_text": "integrate backend APIs",
            "sentence": "Ability to integrate APIs and use tools like Swagger for documentation.",
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          },
          {
            "kra_text": "fix cross-device defects",
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        ],
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        "role_id": 73,
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      {
        "display_name": "DevOps Engineer",
        "kra_matches": [
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            "similarity": 0.5819
          },
          {
            "kra_text": "Sets up and maintains development, staging, and production environments with consistent configuration management using Ansible, Puppet, or Chef.",
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          {
            "kra_text": "Responds to deployment failures, infrastructure incidents, and environment misconfiguration issues to restore service availability and prevent recurrence.",
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        "display_name": "Flutter Developer",
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            "kra_text": "integrate external APIs and data sources",
            "sentence": "Ability to integrate APIs and use tools like Swagger for documentation.",
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          },
          {
            "kra_text": "collaborate with design, product, and backend teams",
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        ],
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    ],
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      {
        "display_name": "Scala Backend Developer",
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        "matched_skills": [
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          "Swagger"
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      {
        "display_name": "Kotlin Backend Developer",
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        "matched_count": 4,
        "matched_skills": [
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          "Secure coding",
          "Swagger"
        ],
        "role_id": 84,
        "score": 0.2667,
        "slug": "kotlin-server-backend-developer",
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      {
        "display_name": "Backend Developer",
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        "matched_skills": [
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          "Secure coding"
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        "role_id": 1,
        "score": 0.2,
        "slug": "backend-engineer",
        "total_count": 15
      },
      {
        "display_name": "Java Backend Developer",
        "kra_matches": null,
        "matched_count": 3,
        "matched_skills": [
          "Distributed Systems",
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          "Secure coding"
        ],
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        "score": 0.2,
        "slug": "java-backend-developer",
        "total_count": 15
      },
      {
        "display_name": "Data Engineer",
        "kra_matches": null,
        "matched_count": 3,
        "matched_skills": [
          "Distributed Systems",
          "Java",
          "SQL"
        ],
        "role_id": 2,
        "score": 0.2,
        "slug": "data-engineer",
        "total_count": 15
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  "stage4_decision": {
    "alias_collision_detected": true,
    "case": "A",
    "chosen_role": {
      "display_name": "Backend Developer",
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      "matched_count": null,
      "matched_skills": null,
      "role_id": 1,
      "score": 1.0,
      "slug": "backend-engineer",
      "total_count": null
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    "confidence": 0.95,
    "is_new_role": false,
    "llm2_fired": false,
    "llm2_reasoning": null,
    "matched_dimensions": [],
    "matched_kras": [],
    "matched_skills": [],
    "new_role_display_name": null,
    "new_role_slug": null,
    "queued": false,
    "reasoning": "Multi-alias tie (5 roles at 1.0) resolved by TIER_C_SKILL: Backend Developer",
    "sub_role": null
  },
  "stage5_updates": null
}

API 2 — extract-details

{
  "alias_matches": [
    {
      "alias_persist_skipped_reason": "alias_text already exists for this canonical skill",
      "alias_persisted": false,
      "existing_alias_id": 1,
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      "input_term": "Java",
      "matched_canonical": {
        "category_id": 6,
        "display_name": "Java",
        "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": "alias_text already exists for this canonical skill",
      "alias_persisted": false,
      "existing_alias_id": 271,
      "existing_alias_text": "SQL",
      "input_term": "SQL",
      "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"
    },
    {
      "alias_persist_skipped_reason": "alias_text already exists for this canonical skill",
      "alias_persisted": false,
      "existing_alias_id": 3715,
      "existing_alias_text": "Swagger",
      "input_term": "Swagger",
      "matched_canonical": {
        "category_id": 12,
        "display_name": "Swagger",
        "id": 2410,
        "is_also_category": false,
        "is_extractable": true,
        "skill_nature": "STANDARD",
        "slug": "swagger",
        "sub_category_id": 57,
        "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": 868,
      "existing_alias_text": "Agile",
      "input_term": "Agile",
      "matched_canonical": {
        "category_id": 8,
        "display_name": "Agile",
        "id": 520,
        "is_also_category": false,
        "is_extractable": true,
        "skill_nature": "METHODOLOGY",
        "slug": "agile",
        "sub_category_id": 3594,
        "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": 1826,
      "existing_alias_text": "CI/CD",
      "input_term": "CI/CD",
      "matched_canonical": {
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        "display_name": "CI/CD",
        "id": 1190,
        "is_also_category": false,
        "is_extractable": true,
        "skill_nature": "METHODOLOGY",
        "slug": "ci-cd",
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        "is_extractable": true,
        "skill_nature": "PROTOCOL",
        "slug": "apis",
        "sub_category_id": 902,
        "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": "APIs",
          "llm_role": null,
          "roles_from_db": []
        }
      ],
      "input_skill": "APIs",
      "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": "Distributed Systems",
          "alias_type": "CANONICAL",
          "id": 2028,
          "is_primary": false,
          "match_strategy": "CASE_INSENSITIVE"
        }
      ],
      "canonical": {
        "category_id": 2,
        "display_name": "Distributed Systems",
        "id": 1369,
        "is_also_category": false,
        "is_extractable": true,
        "skill_nature": "CONCEPT",
        "slug": "distributed-systems",
        "sub_category_id": 1035,
        "typical_lifespan": "EVERGREEN",
        "volatility": "STABLE"
      },
      "dimensions": [
        {
          "dimension": {
            "difficulty_hint": "well_known",
            "display_name": "Cloud Platforms",
            "id": 20,
            "rationale": "Underlying cloud providers that host the managed services or infrastructure used by the role, such as AWS, Azure, and GCP.",
            "slug": "cloud-platforms",
            "source": "db"
          },
          "input_skill": "Distributed Systems",
          "llm_role": null,
          "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": "Cyber Security Engineer",
              "id": 5,
              "rationale": null,
              "role_archetype": null,
              "slug": "cybersecurity-engineer",
              "source": "db"
            },
            {
              "display_name": "Data Engineer",
              "id": 2,
              "rationale": null,
              "role_archetype": null,
              "slug": "data-engineer",
              "source": "db"
            },
            {
              "display_name": "DevOps Engineer",
              "id": 10,
              "rationale": null,
              "role_archetype": null,
              "slug": "devops-engineer",
              "source": "db"
            },
            {
              "display_name": "Fullstack Developer",
              "id": 15,
              "rationale": null,
              "role_archetype": null,
              "slug": "full-stack-engineer",
              "source": "db"
            },
            {
              "display_name": "Go Backend Developer",
              "id": 81,
              "rationale": null,
              "role_archetype": "Engineering",
              "slug": "go-backend-developer",
              "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": "ML Engineer",
              "id": 3,
              "rationale": null,
              "role_archetype": null,
              "slug": "ml-engineer",
              "source": "db"
            },
            {
              "display_name": "MLOps Engineer",
              "id": 16,
              "rationale": null,
              "role_archetype": null,
              "slug": "ml-ops-engineer",
              "source": "db"
            },
            {
              "display_name": "Node.js Backend Developer",
              "id": 82,
              "rationale": null,
              "role_archetype": "Engineering",
              "slug": "node-backend-developer",
              "source": "db"
            },
            {
              "display_name": "Python Backend Developer",
              "id": 80,
              "rationale": null,
              "role_archetype": "Engineering",
              "slug": "python-backend-developer",
              "source": "db"
            },
            {
              "display_name": "Scala Backend Developer",
              "id": 87,
              "rationale": null,
              "role_archetype": "Engineering",
              "slug": "scala-backend-developer",
              "source": "db"
            }
          ]
        },
        {
          "dimension": {
            "difficulty_hint": "well_known",
            "display_name": "Performance and Scalability Tuning",
            "id": 11,
            "rationale": "Techniques for improving throughput, latency, and resource efficiency in PHP backend services. This includes profiling, query optimization, concurrency limits, memory use, and bottleneck analysis.",
            "slug": "performance-and-scalability-tuning",
            "source": "db"
          },
          "input_skill": "Distributed Systems",
          "llm_role": null,
          "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": "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"
            }
          ]
        },
        {
          "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": "Distributed Systems",
          "llm_role": null,
          "roles_from_db": []
        }
      ],
      "input_skill": "Distributed Systems",
      "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": "Object-Oriented Programming",
      "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": "object-oriented-programming",
        "split_log": [],
        "typed": null,
        "warnings": []
      },
      "source_tag": "llm",
      "was_in_llm_skills": true
    },
    {
      "aliases_in_db": [
        {
          "alias_text": "design patterns",
          "alias_type": "CANONICAL",
          "id": 2624,
          "is_primary": false,
          "match_strategy": "CASE_INSENSITIVE"
        }
      ],
      "canonical": {
        "category_id": 2,
        "display_name": "design patterns",
        "id": 1654,
        "is_also_category": false,
        "is_extractable": true,
        "skill_nature": "CONCEPT",
        "slug": "design-patterns",
        "sub_category_id": 1247,
        "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": "Design Patterns",
          "llm_role": null,
          "roles_from_db": []
        }
      ],
      "input_skill": "Design Patterns",
      "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": "Algorithms",
          "alias_type": "CANONICAL",
          "id": 1615,
          "is_primary": false,
          "match_strategy": "CASE_INSENSITIVE"
        }
      ],
      "canonical": {
        "category_id": 2,
        "display_name": "Algorithms",
        "id": 1004,
        "is_also_category": false,
        "is_extractable": true,
        "skill_nature": "CONCEPT",
        "slug": "algorithms",
        "sub_category_id": 732,
        "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": "Algorithms",
          "llm_role": null,
          "roles_from_db": []
        }
      ],
      "input_skill": "Algorithms",
      "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": "Data Structures",
          "alias_type": "CANONICAL",
          "id": 1614,
          "is_primary": false,
          "match_strategy": "CASE_INSENSITIVE"
        }
      ],
      "canonical": {
        "category_id": 2,
        "display_name": "Data Structures",
        "id": 1003,
        "is_also_category": false,
        "is_extractable": true,
        "skill_nature": "CONCEPT",
        "slug": "data-structures",
        "sub_category_id": 731,
        "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": "Data Structures",
          "llm_role": null,
          "roles_from_db": []
        }
      ],
      "input_skill": "Data Structures",
      "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": "Secure coding",
          "alias_type": "CANONICAL",
          "id": 3439,
          "is_primary": true,
          "match_strategy": "CASE_INSENSITIVE"
        }
      ],
      "canonical": {
        "category_id": 8,
        "display_name": "Secure coding",
        "id": 2203,
        "is_also_category": false,
        "is_extractable": true,
        "skill_nature": "METHODOLOGY",
        "slug": "secure-coding",
        "sub_category_id": 1693,
        "typical_lifespan": "EVERGREEN",
        "volatility": "STABLE"
      },
      "dimensions": [
        {
          "dimension": {
            "difficulty_hint": "well_known",
            "display_name": "Backend Security Hardening",
            "id": 16,
            "rationale": "Security practices specific to server-side application code and service exposure. Focuses on protecting backend endpoints, secrets, and data handling from common application-layer threats.",
            "slug": "backend-security-hardening",
            "source": "db"
          },
          "input_skill": "Secure Coding",
          "llm_role": null,
          "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": "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"
            },
            {
              "display_name": "Scala Backend Developer",
              "id": 87,
              "rationale": null,
              "role_archetype": "Engineering",
              "slug": "scala-backend-developer",
              "source": "db"
            }
          ]
        }
      ],
      "input_skill": "Secure Coding",
      "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": "Scripting",
      "matched_via": null,
      "new_alias_persisted": false,
      "new_alias_text": null,
      "new_skill_meta": {
        "derived": {
          "category": "Programming Languages",
          "skill_nature": "LANGUAGE",
          "sub_category": "general",
          "typical_lifespan": "MULTI_YEAR",
          "version_strategy": "UNVERSIONED",
          "volatility": "MEDIUM"
        },
        "enrichment": null,
        "keep_log": [],
        "locked_dimensions": [],
        "merge_log": [],
        "placed": null,
        "relationships": null,
        "skill_id": "scripting",
        "split_log": [],
        "typed": null,
        "warnings": []
      },
      "source_tag": "llm",
      "was_in_llm_skills": true
    }
  ],
  "unmatched_skills": [
    "Version Control",
    "Automation",
    "Object-Oriented Programming",
    "Scripting"
  ]
}

API 3 — final-role-output

{
  "chosen_role": {
    "display_name": "Backend Developer",
    "id": 1,
    "rationale": "Multi-alias tie (5 roles at 1.0) resolved by TIER_C_SKILL: Backend Developer",
    "role_archetype": "A Backend Engineer designs, builds, and maintains the server-side logic and data handling that power applications and services. They focus on implementing reliable business functionality, integrating with other systems, and ensuring the backend is scalable, maintainable, and observable.",
    "slug": "backend-engineer",
    "source": "db"
  },
  "chosen_role_resolution": "in_db",
  "final_input_skills": [
    {
      "skill": "Java",
      "tag": "in_db"
    },
    {
      "skill": "SQL",
      "tag": "in_db"
    },
    {
      "skill": "Swagger",
      "tag": "in_db"
    },
    {
      "skill": "Agile",
      "tag": "in_db"
    },
    {
      "skill": "CI/CD",
      "tag": "in_db"
    },
    {
      "skill": "Version Control",
      "tag": "new"
    },
    {
      "skill": "Automation",
      "tag": "new"
    },
    {
      "skill": "APIs",
      "tag": "in_db"
    },
    {
      "skill": "Distributed Systems",
      "tag": "in_db"
    },
    {
      "skill": "Object-Oriented Programming",
      "tag": "new"
    },
    {
      "skill": "Design Patterns",
      "tag": "in_db"
    },
    {
      "skill": "Algorithms",
      "tag": "in_db"
    },
    {
      "skill": "Data Structures",
      "tag": "in_db"
    },
    {
      "skill": "Secure Coding",
      "tag": "in_db"
    },
    {
      "skill": "Scripting",
      "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",
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