Pipeline run
6d0fe69a-efef-4048-a1eb-4ac91697570d
Client output enrichment
v2 Skill cluster · Nature of work · AI index · Tech stack maturity · Evidence · KRA descriptionvocab breakdown (legacy)
Signals
Post-classification
Captured for admin review
The ideal candidate will be responsible for handling a team of android developers, automation, and manual testers. He or she should have worked at the architect Level and launched a few apps on Google…
1 POST /skills/extract-from-jd
2 POST /skills/extract-details
3 POST /skills/final-role-output
Native Mobile Developer
→Android Developer
sub-role · 0.99 domain · Software Engineering CASE DOMAINslug: native-mobile-developer · id: 75 · source: db · sub-role slug: android-engineer
Domain=Software Engineering → sub-role android-engineer; The JD is centered on architecting and developing native Android mobile applications with app-store delivery, testing, and mobile architecture patterns, which best matches Native Mobile Developer.
Matched skills
Matched dimensions
Matched KRAs
Resolution:
in_db
— role exists in library; skill↔dim and role↔dim links saved when applicable.
Job description
The ideal candidate will be responsible for handling a team of android developers, automation, and manual testers. He or she should have worked at the architect Level and launched a few apps on Google Play Store. Development and commercial deployment of native Android applicationsReview and evaluate designs and project activities for compliance with technology and development guidelines and standardsDevelopment expertise of Android apps in Kotlin with coroutinesExpertise on Room Database API with Firestore database synchingDevelopment Experience on MVVM architecture and Dependency Injections(Hilt and Dagger)Knowledge and hands on experience with Exoplayer API, Mediastore API and MediaPlayer APIShould be able to maintain Unit Testing and Espresso Instrumentation for automationKnowledge on Firebase APIs - Event Tracking,Remote Config Implementation,Firestore Database API, Realtime DatabaseKnowledge of programming patterns or architectural patternsWhat to consider when building an app from scratch and doing so (who is using the app - what's the intended outcome, the release date, the budget, the architecture, the 3rd party libraries, the communication between the layers, how testing will be set up, etc.)Collaborate with cross-functional teams to define, design, and ship new featuresHave published one or more Android apps in the app store.Demonstrated experience and an understanding of OOP, Design Patterns,Media Players, and Android memory managementExperience with Unit test frameworksExperience with offline storage, threading, and performance tuning.Asynchronous task - async task, intent services, handlers, loopers, threads, runnable, loaders ● Bachelor's/Master's degree in Computer Science ● 7+ years of experience working in Android, database management Salary offered: upto 40 LPA
Skills from this JD
Each row merges API 1 extraction, API 2 library match / v3 orchestration (dimensions + locked dims), and API 3 persistence tags.
Aliases — catalog
- Android (CANONICAL)
Context tags (catalog)
Stored enrichment (catalog DB)
- Category
- Platform
- Sub-category
- Mobile Platform
- Vendor
- License
- apache_2
- Year introduced
- 2008
- Confidence
- 0.95
- Version strategy
- NOT_APPLICABLE
Maturity reasoning: Android appears in large volumes of mobile job postings and remains a standard platform in hiring pipelines; Google continues active platform releases and OEM ecosystem support, indicating broad adoption.
Skill profile (library / DB)
- Skill nature
- PLATFORM
- Volatility
- STABLE
- Typical lifespan
- EVERGREEN
- Category id
- 9
- Sub-category id
- 1201
- 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) |
Aliases — catalog
- Kotlin (CANONICAL) primary
- kotlin 1.9 (VERSION)
- kotlin 1.9.0 (VERSION)
- kotlin 1.9.1 (VERSION)
- kotlin 1.9.10 (VERSION)
- kotlin 1.9.x (VERSION)
- kotlin-1.9 (VERSION)
Context tags (catalog)
Stored enrichment (catalog DB)
- Category
- Language
- Sub-category
- Programming Language
- Vendor
- JetBrains
- License
- apache_2
- Year introduced
- 2011
- Confidence
- 0.99
- Version strategy
- NOT_APPLICABLE
Maturity reasoning: Kotlin appears in many Android, backend, and multiplatform job postings, and JetBrains reports strong ecosystem growth; it’s a mainstream hiring skill rather than niche.
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
-
Programming Languages Catalog dimension db id 1
Library dimension (catalog)
Roles linked in library: Backend Developer, Fullstack Developer
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 saved |
|
Programming Languages
programming-languages
|
✓ | — | Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role) |
Aliases — catalog
- coroutines (CANONICAL) primary
- Coroutines (CANONICAL)
Context tags (catalog)
Stored enrichment (catalog DB)
- Category
- Concept
- Sub-category
- Concurrency Concept
- Confidence
- 0.88
- Version strategy
- NOT_APPLICABLE
Maturity reasoning: Coroutines are widely used in modern JDs for Kotlin, Python async, and JavaScript async/await; they’re a common concurrency concept rather than a niche tool.
Skill profile (library / DB)
- Skill nature
- CONCEPT
- Volatility
- STABLE
- Typical lifespan
- EVERGREEN
- Category id
- 2
- Sub-category id
- 7
- Extractable
- True
- Also category
- False
Dimensions (API 2 worklist)
-
Backend Concurrency and Async Programming Catalog dimension db id 387
Library dimension (catalog)
Roles linked in library: Kotlin Backend Developer
-
Concurrency and Async Workflows Catalog dimension db id 292
Library dimension (catalog)
Roles linked in library: .NET Backend Developer, Python Backend Developer
-
Kotlin and Java Catalog dimension db id 161
Library dimension (catalog)
Roles linked in library: Android Developer
API 3 link attempts (this skill)
| Dimension | Skill↔dim | Role↔dim | Outcome |
|---|---|---|---|
|
Backend Concurrency and Async Programming
backend-concurrency-and-async-programming
|
✓ | — | Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role) |
|
Concurrency and Async Workflows
concurrency-and-async-workflows
|
✓ | — | 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) |
Aliases — catalog
- Room (CANONICAL) primary
Context tags (catalog)
Stored enrichment (catalog DB)
- Category
- Library
- Sub-category
- Persistence Library
- Vendor
- License
- apache_2
- Year introduced
- 2016
- Confidence
- 0.88
- Version strategy
- NOT_APPLICABLE
Maturity reasoning: Room is Google’s Android persistence library and appears frequently in Android job descriptions and official Android docs as the recommended SQLite abstraction, indicating broad adoption.
Skill profile (library / DB)
- Skill nature
- LIBRARY
- Volatility
- STABLE
- Typical lifespan
- EVERGREEN
- Category id
- 7
- Sub-category id
- 702
- Extractable
- True
- Also category
- False
Dimensions (API 2 worklist)
-
Local Persistence and Offline Behavior Catalog dimension db id 85
Library dimension (catalog)
Roles linked in library: Android Developer, Flutter Developer, Hybrid Mobile Developer, Native Mobile Developer, React Native Developer, iOS Developer
API 3 link attempts (this skill)
| Dimension | Skill↔dim | Role↔dim | Outcome |
|---|---|---|---|
|
Local Persistence and Offline Behavior
local-persistence-and-offline-behavior
|
✓ | ✓ | Existing dimension (library) · Role↔dimension saved |
Skill enrichment (orchestrator / LLM)
No Stage 7 enrichment blob on this skill (orchestrator skipped enrichment).
- Category
- Databases
- Sub-category
- general
- Skill nature
- TOOL
- Volatility
- MEDIUM
- Typical lifespan
- MULTI_YEAR
- Version strategy
- UNVERSIONED
Aliases — catalog
- MVVM (CANONICAL) primary
Context tags (catalog)
Stored enrichment (catalog DB)
- Category
- Architecture
- Sub-category
- Presentation Architecture
- Confidence
- 0.95
- Version strategy
- NOT_APPLICABLE
Maturity reasoning: MVVM is widely used in mobile and desktop JDs, especially Android, WPF, and SwiftUI ecosystems; it remains a common hiring keyword rather than a sunset pattern.
Skill profile (library / DB)
- Skill nature
- PATTERN
- Volatility
- STABLE
- Typical lifespan
- EVERGREEN
- Category id
- 1
- Sub-category id
- 662
- Extractable
- True
- Also category
- False
Dimensions (API 2 worklist)
-
App Architecture and Dependency Injection Catalog dimension db id 94
Library dimension (catalog)
Roles linked in library: Android Developer, iOS Developer
-
Mobile Architecture and Code Organization Catalog dimension db id 170
Library dimension (catalog)
Roles linked in library: Hybrid Mobile Developer, React Native Developer
-
Native Mobile App Architecture and Dependency Injection Catalog dimension db id 273
Library dimension (catalog)
Roles linked in library: Native Mobile Developer
API 3 link attempts (this skill)
| Dimension | Skill↔dim | Role↔dim | Outcome |
|---|---|---|---|
|
App Architecture and Dependency Injection
app-architecture-and-dependency-injection
|
✓ | — | Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role) |
|
Mobile Architecture and Code Organization
mobile-architecture-and-code-organization
|
✓ | — | Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role) |
|
Native Mobile App Architecture and Dependency Injection
native-mobile-app-architecture-and-dependency-injection
|
✓ | ✓ | Existing dimension (library) · Role↔dimension saved |
Aliases — catalog
- Hilt (CANONICAL) primary
Context tags (catalog)
Stored enrichment (catalog DB)
- Category
- Library
- Sub-category
- Dependency Injection Library
- Vendor
- License
- apache_2
- Year introduced
- 2020
- Confidence
- 0.97
- Version strategy
- NOT_APPLICABLE
Maturity reasoning: Hilt is increasingly listed in Android job descriptions and Google positions it as the recommended DI approach for new Android apps, replacing much manual Dagger setup.
Skill profile (library / DB)
- Skill nature
- LIBRARY
- Volatility
- EMERGING
- Typical lifespan
- EVERGREEN
- Category id
- 7
- Sub-category id
- 698
- Extractable
- True
- Also category
- False
Dimensions (API 2 worklist)
-
App Architecture and Dependency Injection Catalog dimension db id 94
Library dimension (catalog)
Roles linked in library: Android Developer, iOS Developer
API 3 link attempts (this skill)
| Dimension | Skill↔dim | Role↔dim | Outcome |
|---|---|---|---|
|
App Architecture and Dependency Injection
app-architecture-and-dependency-injection
|
✓ | — | Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role) |
Aliases — catalog
- Dagger (CANONICAL) primary
Context tags (catalog)
Stored enrichment (catalog DB)
- Category
- Library
- Sub-category
- Dependency Injection Library
- Vendor
- License
- apache_2
- Year introduced
- 2014
- Confidence
- 0.97
- Version strategy
- NOT_APPLICABLE
Maturity reasoning: Dagger is a standard Android/Java DI library and appears frequently in Android job descriptions; its successor Hilt is also promoted by Google, but Dagger remains widely used in existing codebases.
Skill profile (library / DB)
- Skill nature
- LIBRARY
- Volatility
- STABLE
- Typical lifespan
- EVERGREEN
- Category id
- 7
- Sub-category id
- 698
- Extractable
- True
- Also category
- False
Dimensions (API 2 worklist)
-
App Architecture and Dependency Injection Catalog dimension db id 94
Library dimension (catalog)
Roles linked in library: Android Developer, iOS Developer
API 3 link attempts (this skill)
| Dimension | Skill↔dim | Role↔dim | Outcome |
|---|---|---|---|
|
App Architecture and Dependency Injection
app-architecture-and-dependency-injection
|
✓ | — | Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role) |
Skill enrichment (orchestrator / LLM)
No Stage 7 enrichment blob on this skill (orchestrator skipped enrichment).
- Category
- Media Frameworks
- Sub-category
- general
- Skill nature
- TOOL
- Volatility
- MEDIUM
- Typical lifespan
- MULTI_YEAR
- Version strategy
- UNVERSIONED
Skill enrichment (orchestrator / LLM)
No Stage 7 enrichment blob on this skill (orchestrator skipped enrichment).
- Category
- Media Frameworks
- Sub-category
- general
- Skill nature
- TOOL
- Volatility
- MEDIUM
- Typical lifespan
- MULTI_YEAR
- Version strategy
- UNVERSIONED
Skill enrichment (orchestrator / LLM)
No Stage 7 enrichment blob on this skill (orchestrator skipped enrichment).
- Category
- Media Frameworks
- Sub-category
- general
- Skill nature
- TOOL
- Volatility
- MEDIUM
- Typical lifespan
- MULTI_YEAR
- Version strategy
- UNVERSIONED
Aliases — catalog
- Unit Testing (CANONICAL)
Context tags (catalog)
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) |
Aliases — catalog
- Espresso (CANONICAL) primary
Context tags (catalog)
Stored enrichment (catalog DB)
- Category
- Framework
- Sub-category
- Ui Testing Framework
- Vendor
- License
- apache_2
- Year introduced
- 2013
- Confidence
- 0.95
- Version strategy
- NOT_APPLICABLE
Maturity reasoning: Android UI testing staple; Espresso appears in many Android job descriptions and is the standard Google-backed framework for instrumented UI tests.
Skill profile (library / DB)
- Skill nature
- FRAMEWORK
- Volatility
- STABLE
- Typical lifespan
- EVERGREEN
- Category id
- 5
- Sub-category id
- 1542
- Extractable
- True
- Also category
- False
Dimensions (API 2 worklist)
-
Android Testing Frameworks Catalog dimension db id 164
Library dimension (catalog)
Roles linked in library: Android Developer
-
Mobile Testing Frameworks Catalog dimension db id 168
Library dimension (catalog)
Roles linked in library: Hybrid Mobile Developer, Native Mobile Developer, React Native Developer
API 3 link attempts (this skill)
| Dimension | Skill↔dim | Role↔dim | Outcome |
|---|---|---|---|
|
Android Testing Frameworks
android-testing-frameworks
|
✓ | — | Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role) |
|
Mobile Testing Frameworks
mobile-testing-frameworks
|
✓ | ✓ | Existing dimension (library) · Role↔dimension saved |
Aliases — catalog
- Firebase (CANONICAL) primary
Context tags (catalog)
Stored enrichment (catalog DB)
- Category
- Platform
- Sub-category
- Backend Platform
- Vendor
- License
- proprietary
- Year introduced
- 2011
- Confidence
- 0.98
- Version strategy
- NOT_APPLICABLE
Maturity reasoning: Firebase appears frequently in mobile/web job postings and Google continues active product support; it remains a common BaaS choice alongside AWS Amplify and Supabase, not a sunset technology.
Skill profile (library / DB)
- Skill nature
- PLATFORM
- Volatility
- STABLE
- Typical lifespan
- EVERGREEN
- Category id
- 9
- Sub-category id
- 1865
- Extractable
- True
- Also category
- False
Dimensions (API 2 worklist)
-
Cloud Platforms & Managed Services Catalog dimension db id 221
Library dimension (catalog)
Roles linked in library: Fullstack Developer, Go Backend Developer, Node.js Backend Developer
-
Vendor Product Ecosystems Catalog dimension db id 385
Library dimension (catalog)
Roles linked in library: Ionic Developer
API 3 link attempts (this skill)
| Dimension | Skill↔dim | Role↔dim | Outcome |
|---|---|---|---|
|
Cloud Platforms & Managed Services
cloud-platforms-managed-services
|
✓ | — | Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role) |
|
Vendor Product Ecosystems
vendor-product-ecosystems
|
✓ | — | Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role) |
Skill enrichment (orchestrator / LLM)
No Stage 7 enrichment blob on this skill (orchestrator skipped enrichment).
- Category
- Cloud Services
- Sub-category
- general
- Skill nature
- TOOL
- Volatility
- MEDIUM
- Typical lifespan
- MULTI_YEAR
- Version strategy
- UNVERSIONED
Skill enrichment (orchestrator / LLM)
No Stage 7 enrichment blob on this skill (orchestrator skipped enrichment).
- Category
- Databases
- Sub-category
- general
- Skill nature
- TOOL
- Volatility
- MEDIUM
- Typical lifespan
- MULTI_YEAR
- Version strategy
- UNVERSIONED
Skill enrichment (orchestrator / LLM)
No Stage 7 enrichment blob on this skill (orchestrator skipped enrichment).
- Category
- Concepts
- Sub-category
- general
- Skill nature
- CONCEPT
- Volatility
- STABLE
- Typical lifespan
- EVERGREEN
- Version strategy
- UNVERSIONED
Aliases — catalog
- design patterns (CANONICAL)
Context tags (catalog)
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) |
Skill enrichment (orchestrator / LLM)
No Stage 7 enrichment blob on this skill (orchestrator skipped enrichment).
- Category
- Storage Solutions
- Sub-category
- general
- Skill nature
- CONCEPT
- Volatility
- MEDIUM
- Typical lifespan
- MULTI_YEAR
- Version strategy
- UNVERSIONED
Aliases — catalog
- threading (CANONICAL) primary
Context tags (catalog)
Stored enrichment (catalog DB)
- Category
- Concept
- Sub-category
- Concurrency Concept
- Confidence
- 0.93
- Version strategy
- NOT_APPLICABLE
Maturity reasoning: Threading is a core concurrency concept in most mainstream languages and appears routinely in job descriptions for backend, systems, and desktop roles; it’s a standard interview topic rather than a niche tool.
Skill profile (library / DB)
- Skill nature
- CONCEPT
- Volatility
- STABLE
- Typical lifespan
- EVERGREEN
- Category id
- 2
- Sub-category id
- 7
- Extractable
- True
- Also category
- False
Dimensions (API 2 worklist)
-
Concurrency and Async Workflows Catalog dimension db id 292
Library dimension (catalog)
Roles linked in library: .NET Backend Developer, Python Backend Developer
API 3 link attempts (this skill)
| Dimension | Skill↔dim | Role↔dim | Outcome |
|---|---|---|---|
|
Concurrency and Async Workflows
concurrency-and-async-workflows
|
✓ | — | Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role) |
Aliases — catalog
- query tuning (CANONICAL) primary
- Query Tuning (CANONICAL)
Context tags (catalog)
Stored enrichment (catalog DB)
- Category
- Concept
- Sub-category
- Query Optimization
- Confidence
- 0.82
- Version strategy
- NOT_APPLICABLE
Maturity reasoning: Common in DB/analytics job descriptions and vendor docs; PostgreSQL, MySQL, SQL Server, and Oracle all expose EXPLAIN/ANALYZE and tuning guides, showing broad hiring-pipeline demand.
Skill profile (library / DB)
- Skill nature
- CONCEPT
- Volatility
- STABLE
- Typical lifespan
- EVERGREEN
- Category id
- 2
- Sub-category id
- 3067
- Extractable
- True
- Also category
- False
Dimensions (API 2 worklist)
-
Relational Database Design Catalog dimension db id 4
Library dimension (catalog)
Roles linked in library: .NET Backend Developer, Backend Developer, Kotlin Backend Developer, Node.js Backend Developer, Python Backend Developer, Ruby Backend Developer, Scala Backend Developer
API 3 link attempts (this skill)
| Dimension | Skill↔dim | Role↔dim | Outcome |
|---|---|---|---|
|
Relational Database Design
relational-database-design
|
— | — |
Skipped — no persistable v3 meta for new skill
skill_not_in_db_v3_proposed
|
Skill enrichment (orchestrator / LLM)
No Stage 7 enrichment blob on this skill (orchestrator skipped enrichment).
- Category
- Concurrency Tools
- Sub-category
- general
- Skill nature
- TOOL
- Volatility
- FAST
- Typical lifespan
- SHORT_LIVED
- Version strategy
- VERSIONED
Skill enrichment (orchestrator / LLM)
No Stage 7 enrichment blob on this skill (orchestrator skipped enrichment).
- Category
- Concurrency Tools
- Sub-category
- general
- Skill nature
- TOOL
- Volatility
- FAST
- Typical lifespan
- SHORT_LIVED
- Version strategy
- VERSIONED
Skill enrichment (orchestrator / LLM)
No Stage 7 enrichment blob on this skill (orchestrator skipped enrichment).
- Category
- Concurrency Tools
- Sub-category
- general
- Skill nature
- TOOL
- Volatility
- FAST
- Typical lifespan
- SHORT_LIVED
- Version strategy
- VERSIONED
Skill enrichment (orchestrator / LLM)
No Stage 7 enrichment blob on this skill (orchestrator skipped enrichment).
- Category
- Concurrency Tools
- Sub-category
- general
- Skill nature
- TOOL
- Volatility
- FAST
- Typical lifespan
- SHORT_LIVED
- Version strategy
- VERSIONED
Aliases — catalog
- Threads (CANONICAL) primary
Context tags (catalog)
Stored enrichment (catalog DB)
- Category
- Concept
- Sub-category
- Concurrency
- Confidence
- 0.90
- Version strategy
- NOT_APPLICABLE
Maturity reasoning: Threads are a core concurrency concept across Java, C++, Python, and OS-level programming; they appear routinely in job descriptions for backend and systems roles and are foundational in mainstream SDKs and runtimes.
Skill profile (library / DB)
- Skill nature
- CONCEPT
- Volatility
- STABLE
- Typical lifespan
- EVERGREEN
- Category id
- 2
- Sub-category id
- 3037
- Extractable
- True
- Also category
- False
Dimensions (API 2 worklist)
-
Concurrency and Parallel Processing Catalog dimension db id 17
Library dimension (catalog)
Roles linked in library: Backend Developer, Java Backend Developer, Node.js Backend Developer, Ruby Backend Developer, Scala Backend Developer
API 3 link attempts (this skill)
| Dimension | Skill↔dim | Role↔dim | Outcome |
|---|---|---|---|
|
Concurrency and Parallel Processing
concurrency-and-parallel-processing
|
✓ | — | Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role) |
Skill enrichment (orchestrator / LLM)
No Stage 7 enrichment blob on this skill (orchestrator skipped enrichment).
- Category
- Concurrency Tools
- Sub-category
- general
- Skill nature
- CONCEPT
- Volatility
- FAST
- Typical lifespan
- SHORT_LIVED
- Version strategy
- VERSIONED
Skill enrichment (orchestrator / LLM)
No Stage 7 enrichment blob on this skill (orchestrator skipped enrichment).
- Category
- Concurrency Tools
- Sub-category
- general
- Skill nature
- TOOL
- Volatility
- FAST
- Typical lifespan
- SHORT_LIVED
- Version strategy
- VERSIONED
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 |
|---|---|---|---|---|---|---|
| Android | in_db |
React Frontend Development
d_init_01
|
✓ | — | Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role) | |
| Kotlin | in_db |
Java Language and JVM
java-language-and-jvm
|
✓ | — | Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role) | |
| Kotlin | in_db |
Kotlin and Java
kotlin-and-java
|
✓ | — | Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role) | |
| Kotlin | in_db |
Native Mobile Languages
native-mobile-languages
|
✓ | ✓ | Existing dimension (library) · Role↔dimension saved | |
| Kotlin | in_db |
Programming Languages
programming-languages
|
✓ | — | Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role) | |
| Coroutines | in_db |
Backend Concurrency and Async Programming
backend-concurrency-and-async-programming
|
✓ | — | Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role) | |
| Coroutines | in_db |
Concurrency and Async Workflows
concurrency-and-async-workflows
|
✓ | — | Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role) | |
| Coroutines | in_db |
Kotlin and Java
kotlin-and-java
|
✓ | — | Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role) | |
| Room | in_db |
Local Persistence and Offline Behavior
local-persistence-and-offline-behavior
|
✓ | ✓ | Existing dimension (library) · Role↔dimension saved | |
| MVVM | in_db |
App Architecture and Dependency Injection
app-architecture-and-dependency-injection
|
✓ | — | Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role) | |
| MVVM | in_db |
Mobile Architecture and Code Organization
mobile-architecture-and-code-organization
|
✓ | — | Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role) | |
| MVVM | in_db |
Native Mobile App Architecture and Dependency Injection
native-mobile-app-architecture-and-dependency-injection
|
✓ | ✓ | Existing dimension (library) · Role↔dimension saved | |
| Hilt | in_db |
App Architecture and Dependency Injection
app-architecture-and-dependency-injection
|
✓ | — | Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role) | |
| Dagger | in_db |
App Architecture and Dependency Injection
app-architecture-and-dependency-injection
|
✓ | — | Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role) | |
| Unit Testing | in_db |
React Frontend Development
d_init_01
|
✓ | — | Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role) | |
| Espresso | in_db |
Android Testing Frameworks
android-testing-frameworks
|
✓ | — | Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role) | |
| Espresso | in_db |
Mobile Testing Frameworks
mobile-testing-frameworks
|
✓ | ✓ | Existing dimension (library) · Role↔dimension saved | |
| Firebase | in_db |
Cloud Platforms & Managed Services
cloud-platforms-managed-services
|
✓ | — | Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role) | |
| Firebase | in_db |
Vendor Product Ecosystems
vendor-product-ecosystems
|
✓ | — | 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) | |
| Threading | in_db |
Concurrency and Async Workflows
concurrency-and-async-workflows
|
✓ | — | Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role) | |
| Performance Tuning | new |
Relational Database Design
relational-database-design
|
— | — | Skipped — no persistable v3 meta for new skill | skill_not_in_db_v3_proposed |
| Threads | in_db |
Concurrency and Parallel Processing
concurrency-and-parallel-processing
|
✓ | — | Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role) |
Library artifacts (this run)
| Kind | Detail | DB id |
|---|---|---|
| canonical_skill_proposed | Firestore | type=Databases subtype=general nature=TOOL lifespan=MULTI_YEAR | |
| canonical_skill_proposed | ExoPlayer | type=Media Frameworks subtype=general nature=TOOL lifespan=MULTI_YEAR | |
| canonical_skill_proposed | MediaStore | type=Media Frameworks subtype=general nature=TOOL lifespan=MULTI_YEAR | |
| canonical_skill_proposed | MediaPlayer | type=Media Frameworks subtype=general nature=TOOL lifespan=MULTI_YEAR | |
| canonical_skill_proposed | Remote Config | type=Cloud Services subtype=general nature=TOOL lifespan=MULTI_YEAR | |
| canonical_skill_proposed | Realtime Database | type=Databases subtype=general nature=TOOL lifespan=MULTI_YEAR | |
| canonical_skill_proposed | OOP | type=Concepts subtype=general nature=CONCEPT lifespan=EVERGREEN | |
| canonical_skill_proposed | Offline Storage | type=Storage Solutions subtype=general nature=CONCEPT lifespan=MULTI_YEAR | |
| canonical_skill_proposed | AsyncTask | type=Concurrency Tools subtype=general nature=TOOL lifespan=SHORT_LIVED | |
| canonical_skill_proposed | Intent Services | type=Concurrency Tools subtype=general nature=TOOL lifespan=SHORT_LIVED | |
| canonical_skill_proposed | Handlers | type=Concurrency Tools subtype=general nature=TOOL lifespan=SHORT_LIVED | |
| canonical_skill_proposed | Loopers | type=Concurrency Tools subtype=general nature=TOOL lifespan=SHORT_LIVED | |
| canonical_skill_proposed | Runnable | type=Concurrency Tools subtype=general nature=CONCEPT lifespan=SHORT_LIVED | |
| canonical_skill_proposed | Loaders | type=Concurrency Tools subtype=general nature=TOOL lifespan=SHORT_LIVED | |
| dimension_skill_link_proposed | Performance Tuning ↔ Relational Database Design |
nano JD Parser — gpt-4.1-nano click to toggle
Show raw JSON
{
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"word_count": 335
}
],
"urls": []
}
API 1 — extract-from-jd click to toggle
{
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{
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],
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},
{
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{
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{
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{
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{
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{
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{
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{
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{
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],
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},
{
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"matched_skills": [
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"role_id": 6,
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"slug": "ios-engineer",
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},
{
"display_name": "Native Mobile Developer",
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"matched_skills": [
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},
{
"display_name": "Hybrid Mobile Developer",
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],
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"total_count": 28
},
{
"display_name": "React Native Developer",
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"Room"
],
"role_id": 73,
"score": 0.1071,
"slug": "react-native-developer",
"total_count": 28
}
]
},
"stage4_decision": {
"alias_collision_detected": false,
"case": "DOMAIN",
"chosen_role": {
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"matched_count": null,
"matched_skills": null,
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},
"confidence": 0.99,
"is_new_role": false,
"llm2_fired": false,
"llm2_reasoning": null,
"matched_dimensions": [
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"Mobile app development and deployment",
"Android app testing and automation",
"Database synchronization and offline storage",
"Asynchronous programming and threading",
"Cross-functional feature delivery"
],
"matched_kras": [
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"Review and evaluate designs and project activities",
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"Collaborate with cross-functional teams to define, design, and ship new features",
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],
"matched_skills": [
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"coroutines",
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"Hilt",
"Dagger",
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"Espresso",
"Unit Testing",
"Android memory management"
],
"new_role_display_name": null,
"new_role_slug": null,
"queued": false,
"reasoning": "Domain=Software Engineering \u2192 sub-role android-engineer; The JD is centered on architecting and developing native Android mobile applications with app-store delivery, testing, and mobile architecture patterns, which best matches Native Mobile Developer.",
"sub_role": {
"confidence": 0.99,
"display_name": "Android Developer",
"reasoning": "The JD is overwhelmingly Android-specific, naming Kotlin, MVVM, Hilt/Dagger, Room, Firebase, ExoPlayer, Espresso, and Google Play Store launches.",
"role_id": 4,
"slug": "android-engineer"
}
},
"stage5_updates": {
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"centroid_updated": true,
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"new_kra_attached": {
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"r_and_r_preview": "The ideal candidate will be responsible for handling a team of android developers, automation, and manual testers. He or she should have worked at the architect Level and launched a few apps on Google",
"role_display_name": "Native Mobile Developer",
"role_slug": "native-mobile-developer",
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},
"new_skills_attached": [
{
"is_primary": true,
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},
{
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},
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},
{
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},
{
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{
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},
{
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},
{
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},
{
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},
{
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{
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API 2 — extract-details
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"slug": "backend-engineer",
"source": "db"
},
{
"display_name": "Kotlin Backend Developer",
"id": 84,
"rationale": null,
"role_archetype": "Engineering",
"slug": "kotlin-server-backend-developer",
"source": "db"
},
{
"display_name": "Node.js Backend Developer",
"id": 82,
"rationale": null,
"role_archetype": "Engineering",
"slug": "node-backend-developer",
"source": "db"
},
{
"display_name": "Python Backend Developer",
"id": 80,
"rationale": null,
"role_archetype": "Engineering",
"slug": "python-backend-developer",
"source": "db"
},
{
"display_name": "Ruby Backend Developer",
"id": 85,
"rationale": null,
"role_archetype": "Engineering",
"slug": "ruby-backend-developer",
"source": "db"
},
{
"display_name": "Scala Backend Developer",
"id": 87,
"rationale": null,
"role_archetype": "Engineering",
"slug": "scala-backend-developer",
"source": "db"
}
]
}
],
"input_skill": "Performance Tuning",
"matched_via": "embedding_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": "AsyncTask",
"matched_via": null,
"new_alias_persisted": false,
"new_alias_text": null,
"new_skill_meta": {
"derived": {
"category": "Concurrency Tools",
"skill_nature": "TOOL",
"sub_category": "general",
"typical_lifespan": "SHORT_LIVED",
"version_strategy": "VERSIONED",
"volatility": "FAST"
},
"enrichment": null,
"keep_log": [],
"locked_dimensions": [],
"merge_log": [],
"placed": null,
"relationships": null,
"skill_id": "asynctask",
"split_log": [],
"typed": null,
"warnings": []
},
"source_tag": "llm",
"was_in_llm_skills": true
},
{
"aliases_in_db": [],
"canonical": null,
"dimensions": [],
"input_skill": "Intent Services",
"matched_via": null,
"new_alias_persisted": false,
"new_alias_text": null,
"new_skill_meta": {
"derived": {
"category": "Concurrency Tools",
"skill_nature": "TOOL",
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},
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"keep_log": [],
"locked_dimensions": [],
"merge_log": [],
"placed": null,
"relationships": null,
"skill_id": "intent-services",
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"typed": null,
"warnings": []
},
"source_tag": "llm",
"was_in_llm_skills": true
},
{
"aliases_in_db": [],
"canonical": null,
"dimensions": [],
"input_skill": "Handlers",
"matched_via": null,
"new_alias_persisted": false,
"new_alias_text": null,
"new_skill_meta": {
"derived": {
"category": "Concurrency Tools",
"skill_nature": "TOOL",
"sub_category": "general",
"typical_lifespan": "SHORT_LIVED",
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"volatility": "FAST"
},
"enrichment": null,
"keep_log": [],
"locked_dimensions": [],
"merge_log": [],
"placed": null,
"relationships": null,
"skill_id": "handlers",
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"warnings": []
},
"source_tag": "llm",
"was_in_llm_skills": true
},
{
"aliases_in_db": [],
"canonical": null,
"dimensions": [],
"input_skill": "Loopers",
"matched_via": null,
"new_alias_persisted": false,
"new_alias_text": null,
"new_skill_meta": {
"derived": {
"category": "Concurrency Tools",
"skill_nature": "TOOL",
"sub_category": "general",
"typical_lifespan": "SHORT_LIVED",
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},
"enrichment": null,
"keep_log": [],
"locked_dimensions": [],
"merge_log": [],
"placed": null,
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"skill_id": "loopers",
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"warnings": []
},
"source_tag": "llm",
"was_in_llm_skills": true
},
{
"aliases_in_db": [
{
"alias_text": "Threads",
"alias_type": "CANONICAL",
"id": 5672,
"is_primary": true,
"match_strategy": "CASE_INSENSITIVE"
}
],
"canonical": {
"category_id": 2,
"display_name": "Threads",
"id": 3973,
"is_also_category": false,
"is_extractable": true,
"skill_nature": "CONCEPT",
"slug": "threads",
"sub_category_id": 3037,
"typical_lifespan": "EVERGREEN",
"volatility": "STABLE"
},
"dimensions": [
{
"dimension": {
"difficulty_hint": "well_known",
"display_name": "Concurrency and Parallel Processing",
"id": 17,
"rationale": "Programming techniques for handling multiple requests and background work safely and efficiently. Includes synchronization, async execution, and coordination of concurrent tasks.",
"slug": "concurrency-and-parallel-processing",
"source": "db"
},
"input_skill": "Threads",
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{
"display_name": "Backend Developer",
"id": 1,
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"role_archetype": "A Backend Engineer designs, builds, and maintains the server-side logic and data handling that power applications and services. They focus on implementing reliable business functionality, integrating with other systems, and ensuring the backend is scalable, maintainable, and observable.",
"slug": "backend-engineer",
"source": "db"
},
{
"display_name": "Java Backend Developer",
"id": 79,
"rationale": null,
"role_archetype": "Engineering",
"slug": "java-backend-developer",
"source": "db"
},
{
"display_name": "Node.js Backend Developer",
"id": 82,
"rationale": null,
"role_archetype": "Engineering",
"slug": "node-backend-developer",
"source": "db"
},
{
"display_name": "Ruby Backend Developer",
"id": 85,
"rationale": null,
"role_archetype": "Engineering",
"slug": "ruby-backend-developer",
"source": "db"
},
{
"display_name": "Scala Backend Developer",
"id": 87,
"rationale": null,
"role_archetype": "Engineering",
"slug": "scala-backend-developer",
"source": "db"
}
]
}
],
"input_skill": "Threads",
"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": "Runnable",
"matched_via": null,
"new_alias_persisted": false,
"new_alias_text": null,
"new_skill_meta": {
"derived": {
"category": "Concurrency Tools",
"skill_nature": "CONCEPT",
"sub_category": "general",
"typical_lifespan": "SHORT_LIVED",
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"volatility": "FAST"
},
"enrichment": null,
"keep_log": [],
"locked_dimensions": [],
"merge_log": [],
"placed": null,
"relationships": null,
"skill_id": "runnable",
"split_log": [],
"typed": null,
"warnings": []
},
"source_tag": "llm",
"was_in_llm_skills": true
},
{
"aliases_in_db": [],
"canonical": null,
"dimensions": [],
"input_skill": "Loaders",
"matched_via": null,
"new_alias_persisted": false,
"new_alias_text": null,
"new_skill_meta": {
"derived": {
"category": "Concurrency Tools",
"skill_nature": "TOOL",
"sub_category": "general",
"typical_lifespan": "SHORT_LIVED",
"version_strategy": "VERSIONED",
"volatility": "FAST"
},
"enrichment": null,
"keep_log": [],
"locked_dimensions": [],
"merge_log": [],
"placed": null,
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"skill_id": "loaders",
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"warnings": []
},
"source_tag": "llm",
"was_in_llm_skills": true
}
],
"unmatched_skills": [
"Firestore",
"ExoPlayer",
"MediaStore",
"MediaPlayer",
"Remote Config",
"Realtime Database",
"OOP",
"Offline Storage",
"AsyncTask",
"Intent Services",
"Handlers",
"Loopers",
"Runnable",
"Loaders"
]
}
API 3 — final-role-output
{
"chosen_role": {
"display_name": "Native Mobile Developer",
"id": 75,
"rationale": "Domain=Software Engineering \u2192 sub-role android-engineer; The JD is centered on architecting and developing native Android mobile applications with app-store delivery, testing, and mobile architecture patterns, which best matches Native Mobile Developer.",
"role_archetype": "Engineering",
"slug": "native-mobile-developer",
"source": "db"
},
"chosen_role_resolution": "in_db",
"final_input_skills": [
{
"skill": "Android",
"tag": "in_db"
},
{
"skill": "Kotlin",
"tag": "in_db"
},
{
"skill": "Coroutines",
"tag": "in_db"
},
{
"skill": "Room",
"tag": "in_db"
},
{
"skill": "Firestore",
"tag": "new"
},
{
"skill": "MVVM",
"tag": "in_db"
},
{
"skill": "Hilt",
"tag": "in_db"
},
{
"skill": "Dagger",
"tag": "in_db"
},
{
"skill": "ExoPlayer",
"tag": "new"
},
{
"skill": "MediaStore",
"tag": "new"
},
{
"skill": "MediaPlayer",
"tag": "new"
},
{
"skill": "Unit Testing",
"tag": "in_db"
},
{
"skill": "Espresso",
"tag": "in_db"
},
{
"skill": "Firebase",
"tag": "in_db"
},
{
"skill": "Remote Config",
"tag": "new"
},
{
"skill": "Realtime Database",
"tag": "new"
},
{
"skill": "OOP",
"tag": "new"
},
{
"skill": "Design Patterns",
"tag": "in_db"
},
{
"skill": "Offline Storage",
"tag": "new"
},
{
"skill": "Threading",
"tag": "in_db"
},
{
"skill": "Performance Tuning",
"tag": "in_db"
},
{
"skill": "AsyncTask",
"tag": "new"
},
{
"skill": "Intent Services",
"tag": "new"
},
{
"skill": "Handlers",
"tag": "new"
},
{
"skill": "Loopers",
"tag": "new"
},
{
"skill": "Threads",
"tag": "in_db"
},
{
"skill": "Runnable",
"tag": "new"
},
{
"skill": "Loaders",
"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": 75,
"dimension": {
"difficulty_hint": "well_known",
"display_name": "React Frontend Development",
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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.",
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"source": "db"
},
"dimension_id": 96,
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"matched_chosen_role": false,
"outcome_line": "Existing dimension (library) \u00b7 Role\u2194dimension skipped (dimension not under chosen role)",
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"roles_from_db": [],
"skill_dimension_saved": true,
"skill_id": 1595,
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},
{
"chosen_role_id": 75,
"dimension": {
"difficulty_hint": "well_known",
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"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",
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},
"dimension_id": 279,
"input_skill": "Kotlin",
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"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",
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"role_archetype": "Engineering",
"slug": "java-backend-developer",
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},
{
"display_name": "Kotlin Backend Developer",
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"slug": "kotlin-server-backend-developer",
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},
{
"display_name": "Scala Backend Developer",
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"role_archetype": "Engineering",
"slug": "scala-backend-developer",
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}
],
"skill_dimension_saved": true,
"skill_id": 2,
"skill_tag": "in_db",
"skipped_reason": null
},
{
"chosen_role_id": 75,
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"difficulty_hint": "well_known",
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"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": "Kotlin",
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"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": 2,
"skill_tag": "in_db",
"skipped_reason": null
},
{
"chosen_role_id": 75,
"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": "Kotlin",
"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": "Native Mobile Developer",
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}
],
"skill_dimension_saved": true,
"skill_id": 2,
"skill_tag": "in_db",
"skipped_reason": null
},
{
"chosen_role_id": 75,
"dimension": {
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"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": "Kotlin",
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"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": "Backend Developer",
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"rationale": null,
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"slug": "backend-engineer",
"source": "db"
},
{
"display_name": "Fullstack Developer",
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}
],
"skill_dimension_saved": true,
"skill_id": 2,
"skill_tag": "in_db",
"skipped_reason": null
},
{
"chosen_role_id": 75,
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"difficulty_hint": "well_known",
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"rationale": "Programming techniques for handling multiple requests and background work safely and efficiently in backend services, including language-level async models, coroutines/tasks, cancellation, channels/flows, dispatchers/thread pools, locks, mutexes, semaphores, and structured concurrency across platforms such as Kotlin and .NET.",
"slug": "backend-concurrency-and-async-programming",
"source": "db"
},
"dimension_id": 387,
"input_skill": "Coroutines",
"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": "Kotlin Backend Developer",
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"rationale": null,
"role_archetype": "Engineering",
"slug": "kotlin-server-backend-developer",
"source": "db"
}
],
"skill_dimension_saved": true,
"skill_id": 1639,
"skill_tag": "in_db",
"skipped_reason": null
},
{
"chosen_role_id": 75,
"dimension": {
"difficulty_hint": "well_known",
"display_name": "Concurrency and Async Workflows",
"id": 292,
"rationale": "Programming techniques for handling concurrent requests, asynchronous I/O, and coordination of background execution in Python services. This cluster is coherent because backend developers must safely manage throughput and responsiveness.",
"slug": "concurrency-and-async-workflows",
"source": "db"
},
"dimension_id": 292,
"input_skill": "Coroutines",
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"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": ".NET Backend Developer",
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"role_archetype": "Engineering",
"slug": "dotnet-backend-developer",
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},
{
"display_name": "Python Backend Developer",
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"role_archetype": "Engineering",
"slug": "python-backend-developer",
"source": "db"
}
],
"skill_dimension_saved": true,
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"skill_tag": "in_db",
"skipped_reason": null
},
{
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},
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"outcome_line": "Existing dimension (library) \u00b7 Role\u2194dimension skipped (dimension not under chosen role)",
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{
"display_name": "Android Developer",
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}
],
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},
{
"chosen_role_id": 75,
"dimension": {
"difficulty_hint": "well_known",
"display_name": "Local Persistence and Offline Behavior",
"id": 85,
"rationale": "On-device storage used for caching, offline support, and durable client state. This cluster is coherent because iOS apps often need to preserve user progress and data when connectivity is limited.",
"slug": "local-persistence-and-offline-behavior",
"source": "db"
},
"dimension_id": 85,
"input_skill": "Room",
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"matched_chosen_role": true,
"outcome_line": "Existing dimension (library) \u00b7 Role\u2194dimension saved",
"role_dimension_saved": true,
"roles_from_db": [
{
"display_name": "Android Developer",
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"role_archetype": null,
"slug": "android-engineer",
"source": "db"
},
{
"display_name": "Flutter Developer",
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"rationale": null,
"role_archetype": "Engineering",
"slug": "flutter-developer",
"source": "db"
},
{
"display_name": "Hybrid Mobile Developer",
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"rationale": null,
"role_archetype": null,
"slug": "hybrid-mobile-developer",
"source": "db"
},
{
"display_name": "Native Mobile Developer",
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"rationale": null,
"role_archetype": "Engineering",
"slug": "native-mobile-developer",
"source": "db"
},
{
"display_name": "React Native Developer",
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"rationale": null,
"role_archetype": "Engineering",
"slug": "react-native-developer",
"source": "db"
},
{
"display_name": "iOS Developer",
"id": 6,
"rationale": null,
"role_archetype": null,
"slug": "ios-engineer",
"source": "db"
}
],
"skill_dimension_saved": true,
"skill_id": 938,
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},
{
"chosen_role_id": 75,
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"display_name": "App Architecture and Dependency Injection",
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"rationale": "Structural patterns used to organize iOS code into testable, maintainable feature modules and layers. iOS engineers use these patterns to separate UI, state, and service integration concerns.",
"slug": "app-architecture-and-dependency-injection",
"source": "db"
},
"dimension_id": 94,
"input_skill": "MVVM",
"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",
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},
{
"display_name": "iOS Developer",
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}
],
"skill_dimension_saved": true,
"skill_id": 504,
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},
{
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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.