Pipeline run
553ec9d0-e145-4173-9bb9-39840fd3c638
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
1 POST /skills/extract-from-jd
2 POST /skills/extract-details
3 POST /skills/final-role-output
Frontend Engineer
CASE Aslug: frontend-engineer · id: 7 · source: db
The primary skills required for the role are closely aligned with the responsibilities of a Frontend Engineer.
Resolution:
in_db
— role exists in library; skill↔dim and role↔dim links saved when applicable.
Job description
Frontend Engineer — Job Description Job Title: Frontend Engineer Experience: 4+ Years Location: Remote / Hybrid / Onsite About the Role We are seeking a talented Frontend Engineer to build modern, scalable, and high-performing web applications. The ideal candidate should have strong expertise in frontend technologies, responsive design, and performance optimization while collaborating closely with product, design, and backend teams. Key Responsibilities Develop and maintain user-facing features for web applications Collaborate with UI/UX designers to translate designs into responsive interfaces Ensure technical feasibility of UI/UX designs Write reusable, scalable, and maintainable frontend code Optimize applications for maximum speed and scalability Ensure cross-browser compatibility and responsive behavior across devices Work closely with backend engineers for API integrations Improve SEO performance and web analytics implementation Break down business requirements into smaller technical features and tasks Participate in code reviews and frontend architecture discussions Requirements and Qualifications • Bachelor’s or master degree in engineering • 4+ years of work experience. • Proficient understanding of HTML, CSS, and Javascript • Proficient understanding of ReactJs or similar library • Good understanding of responsive web development • Good understanding of SEO and analytics • Ability to break the business problem into smaller features • Ability to access the technical feasibility of UI/UX designs • Build reusable code and libraries for future use • Optimize application for maximum speed and scalability • Proficient understanding of cross-browser compatibility
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
- HTML (CANONICAL) primary
Context tags (catalog)
Stored enrichment (catalog DB)
- Category
- Language
- Sub-category
- Markup Language
- Vendor
- W3C
- License
- unknown
- Year introduced
- 1993
- Confidence
- 0.99
- Version strategy
- NOT_APPLICABLE
Maturity reasoning: HTML appears in the vast majority of web/front-end job descriptions and remains a core browser standard; it is not sunset or replaced by a newer markup language.
Skill profile (library / DB)
- Skill nature
- STANDARD
- Volatility
- STABLE
- Typical lifespan
- EVERGREEN
- Category id
- 4
- Sub-category id
- 1250
- 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
- CSS (CANONICAL) primary
Context tags (catalog)
Stored enrichment (catalog DB)
- Category
- Language
- Sub-category
- Stylesheet Language
- Vendor
- W3C
- License
- unknown
- Year introduced
- 1996
- Confidence
- 0.99
- Version strategy
- NOT_APPLICABLE
Maturity reasoning: CSS is a core front-end skill in most web JDs and remains standard in MDN/browser docs; it’s broadly used alongside HTML/JS rather than being replaced by a successor.
Skill profile (library / DB)
- Skill nature
- STANDARD
- Volatility
- STABLE
- Typical lifespan
- EVERGREEN
- Category id
- 4
- Sub-category id
- 1068
- Extractable
- True
- Also category
- False
Dimensions (API 2 worklist)
-
CSS Architecture and Styling Catalog dimension db id 117
Library dimension (catalog)
Roles linked in library: Frontend Engineer, Full Stack Engineer
API 3 link attempts (this skill)
| Dimension | Skill↔dim | Role↔dim | Outcome |
|---|---|---|---|
|
CSS Architecture and Styling
css-architecture-and-styling
|
✓ | ✓ | Existing dimension (library) · Role↔dimension saved |
Aliases — catalog
- JavaScript (CANONICAL) primary
- ES2015 (VERSION)
- ES2016 (VERSION)
- ES2017 (VERSION)
- ES2018 (VERSION)
- ES2019 (VERSION)
- ES2020 (VERSION)
- ES2021 (VERSION)
- ES2022 (VERSION)
- ES2023 (VERSION)
- ES2024 (VERSION)
- ES5 (VERSION)
- ES6 (VERSION)
- JavaScript ES2015 (VERSION)
- JavaScript ES2020 (VERSION)
- JavaScript ES6 (VERSION)
- modern JavaScript (VERSION)
Context tags (catalog)
Stored enrichment (catalog DB)
- Category
- Language
- Sub-category
- Programming Language
- Vendor
- Mozilla
- License
- mpl
- Year introduced
- 1995
- Confidence
- 0.99
- Version strategy
- NOT_APPLICABLE
Maturity reasoning: JavaScript appears in a very high volume of job postings across frontend, backend, and full-stack roles, and remains a core language in major ecosystems like Node.js and React.
Skill profile (library / DB)
- Skill nature
- LANGUAGE
- Volatility
- STABLE
- Typical lifespan
- EVERGREEN
- Category id
- 6
- Sub-category id
- 96
- Extractable
- True
- Also category
- False
Dimensions (API 2 worklist)
-
Cross-Platform App Languages Catalog dimension db id 167
Library dimension (catalog)
Roles linked in library: Hybrid Mobile Developer
-
JavaScript and TypeScript Catalog dimension db id 114
Library dimension (catalog)
Roles linked in library: Frontend Engineer
-
Programming Languages Catalog dimension db id 1
Library dimension (catalog)
Roles linked in library: Backend Engineer, Full Stack Engineer
API 3 link attempts (this skill)
| Dimension | Skill↔dim | Role↔dim | Outcome |
|---|---|---|---|
|
Cross-Platform App Languages
cross-platform-app-languages
|
✓ | — | Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role) |
|
JavaScript and TypeScript
javascript-and-typescript
|
✓ | ✓ | Existing dimension (library) · Role↔dimension saved |
|
Programming Languages
programming-languages
|
✓ | — | Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role) |
Aliases — catalog
- React (CANONICAL) primary
- React 0.13 (VERSION)
- React 0.14 (VERSION)
- React 15 (VERSION)
- React 15.x (VERSION)
- React 16 (VERSION)
- React 16.x (VERSION)
- React 17 (VERSION)
- React 17.x (VERSION)
- React 18 (VERSION)
- React 18.x (VERSION)
- React 19 (VERSION)
- React v15 (VERSION)
- React v16 (VERSION)
- React v17 (VERSION)
- React v18 (VERSION)
- React v19 (VERSION)
- ReactJS 18 (VERSION)
- react 15 (VERSION)
- react 16 (VERSION)
- react 17 (VERSION)
- react 18 (VERSION)
- react 19 (VERSION)
- react15 (VERSION)
- react16 (VERSION)
- react17 (VERSION)
- react18 (VERSION)
- react19 (VERSION)
- reactjs 18 (VERSION)
Context tags (catalog)
Stored enrichment (catalog DB)
- Category
- Framework
- Sub-category
- Frontend Framework
- Vendor
- Meta
- License
- mit
- Year introduced
- 2013
- Confidence
- 0.98
- Version strategy
- SEPARATE_ENTITY
- Version tag
- 18
Maturity reasoning: React appears in high-volume frontend job postings across startups and enterprises and remains a default hiring-pipeline skill, with strong GitHub/npm usage and ecosystem activity.
Skill profile (library / DB)
- Skill nature
- FRAMEWORK
- Volatility
- STABLE
- Typical lifespan
- EVERGREEN
- Category id
- 5
- Sub-category id
- 1072
- Extractable
- True
- Also category
- False
Dimensions (API 2 worklist)
-
UI Frameworks and Rendering Catalog dimension db id 115
Library dimension (catalog)
Roles linked in library: Frontend Engineer, Full Stack Engineer, Hybrid Mobile Developer
API 3 link attempts (this skill)
| Dimension | Skill↔dim | Role↔dim | Outcome |
|---|---|---|---|
|
UI Frameworks and Rendering
ui-frameworks-and-rendering
|
✓ | ✓ | Existing dimension (library) · Role↔dimension saved |
Aliases — catalog
- SEO (CANONICAL)
Context tags (catalog)
Stored enrichment (catalog DB)
- Category
- Domain
- Sub-category
- Search Engine Optimization
- Confidence
- 0.98
- Version strategy
- NOT_APPLICABLE
Maturity reasoning: SEO appears in large volumes of marketing, content, and growth job descriptions across industries; Google Search Central and major CMS vendors continue to publish active guidance, indicating broad ongoing demand.
Skill profile (library / DB)
- Skill nature
- CONCEPT
- Volatility
- STABLE
- Typical lifespan
- EVERGREEN
- Category id
- 37
- Sub-category id
- 1251
- 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
- Web Analytics (CANONICAL)
Context tags (catalog)
Stored enrichment (catalog DB)
- Category
- Domain
- Sub-category
- Web Analytics
- Confidence
- 0.93
- Version strategy
- NOT_APPLICABLE
Maturity reasoning: Web analytics is a common requirement in marketing, product, and e-commerce JDs, with tools like GA4, Adobe Analytics, and Tag Manager widely listed across roles.
Skill profile (library / DB)
- Skill nature
- CONCEPT
- Volatility
- STABLE
- Typical lifespan
- EVERGREEN
- Category id
- 37
- Sub-category id
- 1252
- 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)
Common requirement in front-end job descriptions and standard in modern web stacks; mobile-first/responsive design is a baseline expectation across CSS frameworks and design systems.
(0.95)
“Responsive Web Development” is a specific UI/front-end concept focused on responsive layouts and styling, not easily confused with other distinct catalog skills.
Not versioned
Concept ·responsive_web_development confidence 0.90
This is best treated as a Concept because it names a knowledge area/pattern for building adaptable web interfaces rather than a specific tool, framework, or methodology.
- Category
- Concept
- Sub-category
- responsive_web_development
- Skill nature
- CONCEPT
- Volatility
- STABLE
- Typical lifespan
- EVERGREEN
- Version strategy
- NOT_APPLICABLE
Dimensions (API 2 worklist)
-
CSS Architecture and Styling Catalog dimension db id 117
Library dimension (catalog)
Roles linked in library: Frontend Engineer, Full Stack Engineer
-
React Frontend Development Catalog dimension db id 96
Library dimension (catalog)
-
CSS Architecture and Styling Catalog dimension db id 117
Library dimension (catalog)
Roles linked in library: Frontend Engineer, Full Stack Engineer
Locked dimensions (v3 placement)
-
Responsive Layout and Styling
Reuses catalog slug
Techniques for building web UIs that adapt cleanly across screen sizes, orientations, and device capabilities. Responsive Web Development belongs here because it centers on fluid layouts, breakpoints, and styling patterns that keep interfaces usable on mobile and desktop.
-
Responsive Interaction Design
Pipeline tentative id
Patterns for making web interfaces usable and coherent across devices through layout adaptation, touch-friendly controls, and content prioritization. This fits Responsive Web Development when the skill is framed as end-user experience adaptation rather than pure CSS implementation.
-
CSS Architecture and Styling
Reuses catalog slug
Styling systems and layout techniques used to create responsive, maintainable visual presentation in the browser. Frontend engineers need this to translate design intent into consistent interfaces.
API 3 link attempts (this skill)
| Dimension | Skill↔dim | Role↔dim | Outcome |
|---|---|---|---|
|
CSS Architecture and Styling
css-architecture-and-styling
|
✓ | ✓ | New skill saved · Existing dimension (library) · Role↔dimension saved |
|
React Frontend Development
d_init_01
|
✓ | — | New skill saved · Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role) |
Skill enrichment (orchestrator / LLM)
Common requirement in front-end JDs and browser support matrices; MDN and Can I Use remain heavily referenced for compatibility checks across Chrome, Safari, Firefox, and Edge.
(0.95)
“Cross-Browser Compatibility” is a specific web-compatibility concept and is unlikely to be confused with other distinct catalog skills.
Not versioned
Concept ·web_compatibility_concept confidence 0.95
This is a named knowledge unit about ensuring web behavior works across browsers, so by the Concept vs Methodology rule it is a Concept rather than a tool or process.
- Category
- Concept
- Sub-category
- web_compatibility_concept
- Skill nature
- CONCEPT
- Volatility
- STABLE
- Typical lifespan
- EVERGREEN
- Version strategy
- NOT_APPLICABLE
Dimensions (API 2 worklist)
-
React Frontend Development Catalog dimension db id 96
Library dimension (catalog)
Locked dimensions (v3 placement)
-
Cross-Browser Compatibility
Pipeline tentative id
Ensuring a web UI behaves consistently across major browsers and browser versions. This includes handling rendering differences, feature support gaps, and graceful fallbacks so the same frontend works reliably for users on different engines.
API 3 link attempts (this skill)
| Dimension | Skill↔dim | Role↔dim | Outcome |
|---|---|---|---|
|
React Frontend Development
d_init_01
|
✓ | — | New skill saved · Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role) |
Aliases — catalog
- Code Review (CANONICAL)
Context tags (catalog)
Stored enrichment (catalog DB)
- Category
- SoftSkill
- Sub-category
- Code Review
- Confidence
- 0.96
- Version strategy
- NOT_APPLICABLE
Maturity reasoning: Code review is a standard hiring-pipeline requirement in engineering JDs and is built into major platforms like GitHub/GitLab pull-request workflows, indicating broad adoption.
Skill profile (library / DB)
- Skill nature
- PRACTICE
- Volatility
- STABLE
- Typical lifespan
- EVERGREEN
- Category id
- 58
- Sub-category id
- 364
- Extractable
- True
- Also category
- False
Dimensions (API 2 worklist)
-
React Frontend Development Catalog dimension db id 96
Library dimension (catalog)
API 3 link attempts (this skill)
| Dimension | Skill↔dim | Role↔dim | Outcome |
|---|---|---|---|
|
React Frontend Development
d_init_01
|
✓ | — | Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role) |
All API 3 persistence rows
Same grid as the skill-extractor “Persistence items” table: one row per (skill × dimension) work item.
| Skill | Tag | Dimension | Skill↔dim | Role↔dim | Outcome | Notes |
|---|---|---|---|---|---|---|
| HTML | in_db |
React Frontend Development
d_init_01
|
✓ | — | Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role) | |
| CSS | in_db |
CSS Architecture and Styling
css-architecture-and-styling
|
✓ | ✓ | Existing dimension (library) · Role↔dimension saved | |
| JavaScript | in_db |
Cross-Platform App Languages
cross-platform-app-languages
|
✓ | — | Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role) | |
| JavaScript | in_db |
JavaScript and TypeScript
javascript-and-typescript
|
✓ | ✓ | Existing dimension (library) · Role↔dimension saved | |
| JavaScript | in_db |
Programming Languages
programming-languages
|
✓ | — | Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role) | |
| React | in_db |
UI Frameworks and Rendering
ui-frameworks-and-rendering
|
✓ | ✓ | Existing dimension (library) · Role↔dimension saved | |
| SEO | in_db |
React Frontend Development
d_init_01
|
✓ | — | Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role) | |
| Web Analytics | in_db |
React Frontend Development
d_init_01
|
✓ | — | Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role) | |
| Code Review | in_db |
React Frontend Development
d_init_01
|
✓ | — | Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role) | |
| Responsive Web Development | in_db |
CSS Architecture and Styling
css-architecture-and-styling
|
✓ | ✓ | New skill saved · Existing dimension (library) · Role↔dimension saved | |
| Responsive Web Development | in_db |
React Frontend Development
d_init_01
|
✓ | — | New skill saved · Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role) | |
| Cross-Browser Compatibility | in_db |
React Frontend Development
d_init_01
|
✓ | — | New skill saved · Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role) |
Library artifacts (this run)
| Kind | Detail | DB id |
|---|---|---|
| canonical_skill_added | Responsive Web Development | 1660 |
| canonical_skill_added | Cross-Browser Compatibility | 1661 |
| dimension_skill_link | Responsive Web Development ↔ CSS Architecture and Styling | 117 |
| dimension_skill_link | Responsive Web Development ↔ React Frontend Development | 96 |
| dimension_skill_link | Cross-Browser Compatibility ↔ React Frontend Development | 96 |
nano JD Parser — gpt-4.1-nano click to toggle
Show raw JSON
{
"JD_type": "pass",
"about_company": null,
"certifications": [],
"company_name": null,
"ctc": null,
"domain": {
"primary": {
"aliases": [],
"domain": "Software \u0026 SaaS Products"
},
"secondary": null
},
"education": [
{
"level": "Bachelor\u0027s",
"qualification": "BTECH/BE - Engineering",
"raw": "Bachelor\u2019s or master degree in engineering",
"requirement": "required"
}
],
"experience": {
"max": null,
"min": 4,
"raw": "4+ Years"
},
"job_locations": [
{
"aliases": [],
"city": null,
"country": null,
"state": null,
"work_mode": "hybrid"
}
],
"role": "Frontend Engineer",
"role_aliases": [
"Frontend Developer",
"UI Engineer",
"Web Developer"
],
"role_archetype": "Engineering",
"roles_and_responsibilities": [
{
"bullet_count": 10,
"heading": "Key Responsibilities",
"heading_was_present": true,
"source_marker": {
"first_5_words": "Develop and maintain user-facing features",
"last_5_words": "frontend architecture discussions"
},
"text": "Develop and maintain user-facing features for web applications\nCollaborate with UI/UX designers to translate designs into responsive interfaces\nEnsure technical feasibility of UI/UX designs\nWrite reusable, scalable, and maintainable frontend code\nOptimize applications for maximum speed and scalability\nEnsure cross-browser compatibility and responsive behavior across devices\nWork closely with backend engineers for API integrations\nImprove SEO performance and web analytics implementation\nBreak down business requirements into smaller technical features and tasks\nParticipate in code reviews and frontend architecture discussions",
"word_count": 90
},
{
"bullet_count": 11,
"heading": "Requirements and Qualifications",
"heading_was_present": true,
"source_marker": {
"first_5_words": "\u2022 Bachelor\u2019s or master degree in",
"last_5_words": "cross-browser compatibility"
},
"text": "\u2022 Bachelor\u2019s or master degree in engineering\n\u2022 4+ years of work experience.\n\u2022 Proficient understanding of HTML, CSS, and Javascript\n\u2022 Proficient understanding of ReactJs or similar library\n\u2022 Good understanding of responsive web development\n\u2022 Good understanding of SEO and analytics\n\u2022 Ability to break the business problem into smaller features\n\u2022 Ability to access the technical feasibility of UI/UX designs\n\u2022 Build reusable code and libraries for future use\n\u2022 Optimize application for maximum speed and scalability\n\u2022 Proficient understanding of cross-browser compatibility",
"word_count": 98
}
],
"urls": []
}
API 1 — extract-from-jd click to toggle
{
"final_skills": [
{
"is_primary": true,
"skill_name": "HTML"
},
{
"is_primary": true,
"skill_name": "CSS"
},
{
"is_primary": true,
"skill_name": "JavaScript"
},
{
"is_primary": true,
"skill_name": "React"
},
{
"is_primary": false,
"skill_name": "SEO"
},
{
"is_primary": false,
"skill_name": "Web Analytics"
},
{
"is_primary": false,
"skill_name": "Responsive Web Development"
},
{
"is_primary": false,
"skill_name": "Cross-Browser Compatibility"
},
{
"is_primary": false,
"skill_name": "Code Review"
}
],
"jd_role": {
"display_name": "Frontend Engineer",
"rationale": null,
"role_aliases": [
"Frontend Developer",
"UI Engineer",
"Web Developer"
],
"role_archetype": "Engineering",
"slug": ""
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"nano_parsed": {
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"experience": {
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"job_locations": [
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"state": null,
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],
"role": "Frontend Engineer",
"role_aliases": [
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"source_marker": {
"first_5_words": "Develop and maintain user-facing features",
"last_5_words": "frontend architecture discussions"
},
"text": "Develop and maintain user-facing features for web applications\nCollaborate with UI/UX designers to translate designs into responsive interfaces\nEnsure technical feasibility of UI/UX designs\nWrite reusable, scalable, and maintainable frontend code\nOptimize applications for maximum speed and scalability\nEnsure cross-browser compatibility and responsive behavior across devices\nWork closely with backend engineers for API integrations\nImprove SEO performance and web analytics implementation\nBreak down business requirements into smaller technical features and tasks\nParticipate in code reviews and frontend architecture discussions",
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"heading": "Requirements and Qualifications",
"heading_was_present": true,
"source_marker": {
"first_5_words": "\u2022 Bachelor\u2019s or master degree in",
"last_5_words": "cross-browser compatibility"
},
"text": "\u2022 Bachelor\u2019s or master degree in engineering\n\u2022 4+ years of work experience.\n\u2022 Proficient understanding of HTML, CSS, and Javascript\n\u2022 Proficient understanding of ReactJs or similar library\n\u2022 Good understanding of responsive web development\n\u2022 Good understanding of SEO and analytics\n\u2022 Ability to break the business problem into smaller features\n\u2022 Ability to access the technical feasibility of UI/UX designs\n\u2022 Build reusable code and libraries for future use\n\u2022 Optimize application for maximum speed and scalability\n\u2022 Proficient understanding of cross-browser compatibility",
"word_count": 98
}
],
"urls": []
},
"rejected": false,
"rejection_reason": null,
"run_id": "553ec9d0-e145-4173-9bb9-39840fd3c638",
"stage3_signals": {
"alias_found": true,
"alias_match_roles": [
{
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"matched_count": null,
"role_id": 7,
"score": 1.0,
"slug": "frontend-engineer",
"total_count": null
}
],
"kra_match_roles": [
{
"display_name": "Frontend Engineer",
"matched_count": null,
"role_id": 7,
"score": 0.4046,
"slug": "frontend-engineer",
"total_count": null
},
{
"display_name": "DevOps Engineer",
"matched_count": null,
"role_id": 10,
"score": 0.3508,
"slug": "devops-engineer",
"total_count": null
},
{
"display_name": "Data Engineer",
"matched_count": null,
"role_id": 2,
"score": 0.3472,
"slug": "data-engineer",
"total_count": null
},
{
"display_name": "Backend Engineer",
"matched_count": null,
"role_id": 1,
"score": 0.329,
"slug": "backend-engineer",
"total_count": null
},
{
"display_name": "AR/VR Engineer",
"matched_count": null,
"role_id": 8,
"score": 0.3173,
"slug": "ar-vr-engineer",
"total_count": null
}
],
"skill_match_roles": [
{
"display_name": "Frontend Engineer",
"matched_count": 3,
"role_id": 7,
"score": 0.3333,
"slug": "frontend-engineer",
"total_count": 9
},
{
"display_name": "Full Stack Engineer",
"matched_count": 3,
"role_id": 15,
"score": 0.3333,
"slug": "full-stack-engineer",
"total_count": 9
},
{
"display_name": "Hybrid Mobile Developer",
"matched_count": 2,
"role_id": 11,
"score": 0.2222,
"slug": "hybrid-mobile-developer",
"total_count": 9
},
{
"display_name": "Backend Engineer",
"matched_count": 1,
"role_id": 1,
"score": 0.1111,
"slug": "backend-engineer",
"total_count": 9
}
]
},
"stage4_decision": {
"alias_collision_detected": false,
"case": "A",
"chosen_role": {
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"confidence": 0.4046,
"llm2_fired": false,
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"queued": false,
"reasoning": "Stage 1 title \u0027Frontend Engineer\u0027 (name match, sim 1.00); KRA agrees (0.40)"
},
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"new_skills_attached": [
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{
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],
"queue_entry_id": null,
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"v3_role_slug": null,
"v3_run_id": null
}
}
API 2 — extract-details
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{
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"alias_persisted": false,
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{
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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": "Full Stack Engineer",
"id": 15,
"rationale": null,
"role_archetype": null,
"slug": "full-stack-engineer",
"source": "db"
}
]
}
],
"input_skill": "JavaScript",
"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": "React",
"alias_type": "CANONICAL",
"id": 1047,
"is_primary": true,
"match_strategy": "CASE_INSENSITIVE"
},
{
"alias_text": "React 0.13",
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{
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{
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"match_strategy": "CASE_INSENSITIVE"
},
{
"alias_text": "React 15.x",
"alias_type": "VERSION",
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"is_primary": false,
"match_strategy": "CASE_INSENSITIVE"
},
{
"alias_text": "React 16",
"alias_type": "VERSION",
"id": 1049,
"is_primary": false,
"match_strategy": "CASE_INSENSITIVE"
},
{
"alias_text": "React 16.x",
"alias_type": "VERSION",
"id": 1055,
"is_primary": false,
"match_strategy": "CASE_INSENSITIVE"
},
{
"alias_text": "React 17",
"alias_type": "VERSION",
"id": 1050,
"is_primary": false,
"match_strategy": "CASE_INSENSITIVE"
},
{
"alias_text": "React 17.x",
"alias_type": "VERSION",
"id": 1056,
"is_primary": false,
"match_strategy": "CASE_INSENSITIVE"
},
{
"alias_text": "React 18",
"alias_type": "VERSION",
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"is_primary": false,
"match_strategy": "CASE_INSENSITIVE"
},
{
"alias_text": "React 18.x",
"alias_type": "VERSION",
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"is_primary": false,
"match_strategy": "CASE_INSENSITIVE"
},
{
"alias_text": "React 19",
"alias_type": "VERSION",
"id": 2068,
"is_primary": false,
"match_strategy": "CASE_INSENSITIVE"
},
{
"alias_text": "ReactJS 18",
"alias_type": "VERSION",
"id": 2074,
"is_primary": false,
"match_strategy": "CASE_INSENSITIVE"
},
{
"alias_text": "react 15",
"alias_type": "VERSION",
"id": 2069,
"is_primary": false,
"match_strategy": "CASE_INSENSITIVE"
},
{
"alias_text": "react 16",
"alias_type": "VERSION",
"id": 2070,
"is_primary": false,
"match_strategy": "CASE_INSENSITIVE"
},
{
"alias_text": "react 17",
"alias_type": "VERSION",
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"is_primary": false,
"match_strategy": "CASE_INSENSITIVE"
},
{
"alias_text": "react 18",
"alias_type": "VERSION",
"id": 2072,
"is_primary": false,
"match_strategy": "CASE_INSENSITIVE"
},
{
"alias_text": "react 19",
"alias_type": "VERSION",
"id": 2073,
"is_primary": false,
"match_strategy": "CASE_INSENSITIVE"
},
{
"alias_text": "reactjs 18",
"alias_type": "VERSION",
"id": 2075,
"is_primary": false,
"match_strategy": "CASE_INSENSITIVE"
}
],
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"is_extractable": true,
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"typical_lifespan": "EVERGREEN",
"volatility": "STABLE"
},
"dimensions": [
{
"dimension": {
"difficulty_hint": "well_known",
"display_name": "UI Frameworks and Rendering",
"id": 115,
"rationale": "Component frameworks and rendering models used to build browser screens, reusable UI, and interactive client flows. This is a core cluster because frontend engineers spend much of their time composing and updating view hierarchies.",
"slug": "ui-frameworks-and-rendering",
"source": "db"
},
"input_skill": "React",
"llm_role": null,
"roles_from_db": [
{
"display_name": "Frontend Engineer",
"id": 7,
"rationale": null,
"role_archetype": null,
"slug": "frontend-engineer",
"source": "db"
},
{
"display_name": "Full Stack Engineer",
"id": 15,
"rationale": null,
"role_archetype": null,
"slug": "full-stack-engineer",
"source": "db"
},
{
"display_name": "Hybrid Mobile Developer",
"id": 11,
"rationale": null,
"role_archetype": null,
"slug": "hybrid-mobile-developer",
"source": "db"
}
]
}
],
"input_skill": "React",
"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": "SEO",
"alias_type": "CANONICAL",
"id": 2628,
"is_primary": false,
"match_strategy": "CASE_INSENSITIVE"
}
],
"canonical": {
"category_id": 37,
"display_name": "SEO",
"id": 1658,
"is_also_category": false,
"is_extractable": true,
"skill_nature": "CONCEPT",
"slug": "seo",
"sub_category_id": 1251,
"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": "SEO",
"llm_role": null,
"roles_from_db": []
}
],
"input_skill": "SEO",
"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": "Web Analytics",
"alias_type": "CANONICAL",
"id": 2629,
"is_primary": false,
"match_strategy": "CASE_INSENSITIVE"
}
],
"canonical": {
"category_id": 37,
"display_name": "Web Analytics",
"id": 1659,
"is_also_category": false,
"is_extractable": true,
"skill_nature": "CONCEPT",
"slug": "web-analytics",
"sub_category_id": 1252,
"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": "Web Analytics",
"llm_role": null,
"roles_from_db": []
}
],
"input_skill": "Web Analytics",
"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": [
{
"dimension": {
"difficulty_hint": "well_known",
"display_name": "CSS Architecture and Styling",
"id": 117,
"rationale": "Styling systems and layout techniques used to create responsive, maintainable visual presentation in the browser. Frontend engineers need this to translate design intent into consistent interfaces.",
"slug": "css-architecture-and-styling",
"source": "db"
},
"input_skill": "Responsive Web Development",
"llm_role": null,
"roles_from_db": [
{
"display_name": "Frontend Engineer",
"id": 7,
"rationale": null,
"role_archetype": null,
"slug": "frontend-engineer",
"source": "db"
},
{
"display_name": "Full Stack Engineer",
"id": 15,
"rationale": null,
"role_archetype": null,
"slug": "full-stack-engineer",
"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": "Responsive Web Development",
"llm_role": null,
"roles_from_db": []
},
{
"dimension": {
"difficulty_hint": "well_known",
"display_name": "CSS Architecture and Styling",
"id": 117,
"rationale": "Styling systems and layout techniques used to create responsive, maintainable visual presentation in the browser. Frontend engineers need this to translate design intent into consistent interfaces.",
"slug": "css-architecture-and-styling",
"source": "db"
},
"input_skill": "Responsive Web Development",
"llm_role": null,
"roles_from_db": [
{
"display_name": "Frontend Engineer",
"id": 7,
"rationale": null,
"role_archetype": null,
"slug": "frontend-engineer",
"source": "db"
},
{
"display_name": "Full Stack Engineer",
"id": 15,
"rationale": null,
"role_archetype": null,
"slug": "full-stack-engineer",
"source": "db"
}
]
}
],
"input_skill": "Responsive Web Development",
"matched_via": null,
"new_alias_persisted": false,
"new_alias_text": null,
"new_skill_meta": {
"derived": {
"category": "Concept",
"skill_nature": "CONCEPT",
"sub_category": "responsive_web_development",
"typical_lifespan": "EVERGREEN",
"version_strategy": "NOT_APPLICABLE",
"volatility": "STABLE"
},
"enrichment": {
"ambiguity": {
"ambiguity_flag": false,
"confused_with": [],
"reasoning": "\u201cResponsive Web Development\u201d is a specific UI/front-end concept focused on responsive layouts and styling, not easily confused with other distinct catalog skills."
},
"context_keywords": {
"context_keywords": [
"media queries",
"flexbox",
"grid layout",
"viewport",
"mobile-first",
"adaptive design",
"breakpoints",
"CSS frameworks",
"Bootstrap",
"Tailwind CSS",
"responsive images",
"fluid typography",
"accessibility",
"performance optimization",
"cross-browser compatibility"
]
},
"maturity": {
"confidence": 0.96,
"maturity": "well_known",
"reasoning": "Common requirement in front-end job descriptions and standard in modern web stacks; mobile-first/responsive design is a baseline expectation across CSS frameworks and design systems."
},
"skill_id": "responsive-web-development",
"vendor_license": {
"confidence": 0.95,
"license": null,
"vendor": null,
"year_introduced": null
},
"versioning": {
"current_version": null,
"version_aliases": {},
"versioned": false
}
},
"keep_log": [],
"locked_dimensions": [
{
"description": "Techniques for building web UIs that adapt cleanly across screen sizes, orientations, and device capabilities. Responsive Web Development belongs here because it centers on fluid layouts, breakpoints, and styling patterns that keep interfaces usable on mobile and desktop.",
"exemplar_skills": [
"Responsive Web Development",
"CSS Grid",
"Flexbox",
"Media Queries",
"Mobile-First Design",
"Fluid Layouts"
],
"in_scope": "Responsive Web Development, media queries, fluid grids, flexbox, CSS Grid, breakpoints, viewport units, responsive typography, mobile-first styling, adaptive images, container queries",
"name": "Responsive Layout and Styling",
"out_of_scope": "Client-side data loading and API calls, route changes and page transitions, form submission logic, browser authentication flows",
"overlap_flags": [
{
"reason": "Responsive layouts often interact with navigation patterns, but route handling itself belongs to navigation rather than styling.",
"with_dim_id": "client-routing-and-navigation",
"with_dim_name": null,
"with_role": "Frontend Engineer"
},
{
"reason": "Responsive form layouts may be styled here, while validation and recovery behavior belong to form handling.",
"with_dim_id": "form-validation-and-error-recovery",
"with_dim_name": null,
"with_role": "Frontend Engineer"
}
],
"tentative_id": "css-architecture-and-styling"
},
{
"description": "Patterns for making web interfaces usable and coherent across devices through layout adaptation, touch-friendly controls, and content prioritization. This fits Responsive Web Development when the skill is framed as end-user experience adaptation rather than pure CSS implementation.",
"exemplar_skills": [
"Responsive Web Development",
"Adaptive UI Design",
"Touch-Friendly Interfaces",
"Breakpoint-Aware Components",
"Mobile Usability",
"Progressive Disclosure"
],
"in_scope": "Responsive Web Development, touch-friendly controls, adaptive component sizing, breakpoint-aware UI behavior, progressive disclosure, mobile usability patterns, responsive navigation patterns",
"name": "Responsive Interaction Design",
"out_of_scope": "CSS syntax and layout primitives, browser routing, API integration, authentication flows, backend rendering concerns",
"overlap_flags": [
{
"reason": "Many responsive interaction patterns are implemented with CSS, so this dimension overlaps with styling-focused layout work.",
"with_dim_id": "css-architecture-and-styling",
"with_dim_name": null,
"with_role": "Frontend Engineer, Full Stack Engineer"
},
{
"reason": "Responsive navigation patterns can include menus and drawers, but URL routing remains a separate concern.",
"with_dim_id": "client-routing-and-navigation",
"with_dim_name": null,
"with_role": "Frontend Engineer"
}
],
"tentative_id": "d_init_01"
},
{
"description": "Styling systems and layout techniques used to create responsive, maintainable visual presentation in the browser. Frontend engineers need this to translate design intent into consistent interfaces.",
"exemplar_skills": [
"CSS Architecture and Styling"
],
"in_scope": "Skills, tools, and practices that belong under CSS Architecture and Styling for the target role, including items implied by the dimension rationale.",
"name": "CSS Architecture and Styling",
"out_of_scope": "Adjacent clusters explicitly not owned by CSS Architecture and Styling, including unrelated platforms, roles, and skill families per library policy.",
"overlap_flags": [],
"tentative_id": "css-architecture-and-styling"
}
],
"merge_log": [],
"placed": {
"name": "Responsive Web Development",
"placement_confidence": 0.92,
"primary_dimension": "css-architecture-and-styling",
"reasoning": "Deterministic JD placement: locked_dimensions has 3 dimension(s) from skill-driven dimension generation after reconciliation; primary_dimension is the first locked dim.",
"secondary_dimensions": [
"d_init_01"
],
"skill_id": "responsive-web-development"
},
"relationships": {
"child_skills": [],
"parent_skills": [
"html",
"flexbox"
],
"related_to": [
"mobile-performance-optimisation",
"offline-first",
"web-analytics",
"websockets",
"async-programming",
"next-js",
"react-router",
"vue-router"
],
"requires": [],
"skill_id": "responsive-web-development",
"suppress_on_match": []
},
"skill_id": "responsive-web-development",
"split_log": [],
"typed": {
"alternatives_considered": [],
"confidence": 0.9,
"name": "Responsive Web Development",
"reasoning": "This is best treated as a Concept because it names a knowledge area/pattern for building adaptable web interfaces rather than a specific tool, framework, or methodology.",
"skill_id": "responsive-web-development",
"subtype": "responsive_web_development",
"type": "Concept"
},
"warnings": [
"stage3_post_filter_dropped_catalog_only_locked_dims:42-\u003e3"
]
},
"source_tag": "llm",
"was_in_llm_skills": true
},
{
"aliases_in_db": [],
"canonical": null,
"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": "Cross-Browser Compatibility",
"llm_role": null,
"roles_from_db": []
}
],
"input_skill": "Cross-Browser Compatibility",
"matched_via": null,
"new_alias_persisted": false,
"new_alias_text": null,
"new_skill_meta": {
"derived": {
"category": "Concept",
"skill_nature": "CONCEPT",
"sub_category": "web_compatibility_concept",
"typical_lifespan": "EVERGREEN",
"version_strategy": "NOT_APPLICABLE",
"volatility": "STABLE"
},
"enrichment": {
"ambiguity": {
"ambiguity_flag": false,
"confused_with": [],
"reasoning": "\u201cCross-Browser Compatibility\u201d is a specific web-compatibility concept and is unlikely to be confused with other distinct catalog skills."
},
"context_keywords": {
"context_keywords": [
"responsive design",
"polyfills",
"CSS prefixes",
"browser testing",
"feature detection",
"viewport",
"HTML5",
"JavaScript",
"user agent",
"debugging tools",
"progressive enhancement",
"cross-platform",
"compatibility issues",
"web standards",
"performance optimization"
]
},
"maturity": {
"confidence": 0.93,
"maturity": "well_known",
"reasoning": "Common requirement in front-end JDs and browser support matrices; MDN and Can I Use remain heavily referenced for compatibility checks across Chrome, Safari, Firefox, and Edge."
},
"skill_id": "cross-browser-compatibility",
"vendor_license": {
"confidence": 0.95,
"license": null,
"vendor": null,
"year_introduced": null
},
"versioning": {
"current_version": null,
"version_aliases": {},
"versioned": false
}
},
"keep_log": [],
"locked_dimensions": [
{
"description": "Ensuring a web UI behaves consistently across major browsers and browser versions. This includes handling rendering differences, feature support gaps, and graceful fallbacks so the same frontend works reliably for users on different engines.",
"exemplar_skills": [
"Cross-Browser Compatibility",
"browser feature detection",
"polyfills",
"vendor prefixes",
"browser testing",
"progressive enhancement"
],
"in_scope": "Cross-Browser Compatibility, browser engine differences, Chromium, Firefox, Safari, Edge, feature detection, polyfills, vendor prefixes, CSS rendering quirks, JavaScript compatibility, responsive behavior across browsers, progressive enhancement",
"name": "Cross-Browser Compatibility",
"out_of_scope": "CSS layout and visual design choices, client routing and URL state, authentication flows, backend API integration, browser performance tuning, which belong to other frontend dimensions",
"overlap_flags": [
{
"reason": "Browser-specific rendering issues often surface in CSS, so compatibility work can overlap with styling and layout concerns.",
"with_dim_id": "css-architecture-and-styling",
"with_dim_name": null,
"with_role": "Frontend Engineer, Full Stack Engineer"
},
{
"reason": "Some browser compatibility issues appear in form behavior and input handling, but the core concern is broader than validation flows.",
"with_dim_id": "form-validation-and-error-recovery",
"with_dim_name": null,
"with_role": "Frontend Engineer"
}
],
"tentative_id": "d_init_01"
}
],
"merge_log": [],
"placed": {
"name": "Cross-Browser Compatibility",
"placement_confidence": 0.92,
"primary_dimension": "d_init_01",
"reasoning": "Deterministic JD placement: locked_dimensions has 1 dimension(s) from skill-driven dimension generation after reconciliation; primary_dimension is the first locked dim.",
"secondary_dimensions": [],
"skill_id": "cross-browser-compatibility"
},
"relationships": {
"child_skills": [],
"parent_skills": [],
"related_to": [
"html",
"flexbox",
"axios",
"websockets",
"a-b-testing",
"widget-testing",
"bandwidth-adaptation",
"mobile-performance-optimisation"
],
"requires": [],
"skill_id": "cross-browser-compatibility",
"suppress_on_match": []
},
"skill_id": "cross-browser-compatibility",
"split_log": [],
"typed": {
"alternatives_considered": [],
"confidence": 0.95,
"name": "Cross-Browser Compatibility",
"reasoning": "This is a named knowledge unit about ensuring web behavior works across browsers, so by the Concept vs Methodology rule it is a Concept rather than a tool or process.",
"skill_id": "cross-browser-compatibility",
"subtype": "web_compatibility_concept",
"type": "Concept"
},
"warnings": []
},
"source_tag": "llm",
"was_in_llm_skills": true
},
{
"aliases_in_db": [
{
"alias_text": "Code Review",
"alias_type": "CANONICAL",
"id": 864,
"is_primary": false,
"match_strategy": "CASE_INSENSITIVE"
}
],
"canonical": {
"category_id": 58,
"display_name": "Code Review",
"id": 516,
"is_also_category": false,
"is_extractable": true,
"skill_nature": "PRACTICE",
"slug": "code-review",
"sub_category_id": 364,
"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": "Code Review",
"llm_role": null,
"roles_from_db": []
}
],
"input_skill": "Code Review",
"matched_via": "alias",
"new_alias_persisted": false,
"new_alias_text": null,
"new_skill_meta": null,
"source_tag": "db",
"was_in_llm_skills": true
}
],
"unmatched_skills": [
"Responsive Web Development",
"Cross-Browser Compatibility"
]
}
API 3 — final-role-output
{
"chosen_role": {
"display_name": "Frontend Engineer",
"id": 7,
"rationale": "The primary skills required for the role are closely aligned with the responsibilities of a Frontend Engineer.",
"role_archetype": null,
"slug": "frontend-engineer",
"source": "db"
},
"chosen_role_resolution": "in_db",
"final_input_skills": [
{
"skill": "HTML",
"tag": "in_db"
},
{
"skill": "CSS",
"tag": "in_db"
},
{
"skill": "JavaScript",
"tag": "in_db"
},
{
"skill": "React",
"tag": "in_db"
},
{
"skill": "SEO",
"tag": "in_db"
},
{
"skill": "Web Analytics",
"tag": "in_db"
},
{
"skill": "Responsive Web Development",
"tag": "new"
},
{
"skill": "Cross-Browser Compatibility",
"tag": "new"
},
{
"skill": "Code Review",
"tag": "in_db"
}
],
"llm_cost_api1_usd": null,
"llm_cost_api2_usd": null,
"llm_cost_api3_usd": null,
"llm_cost_total_usd": null,
"persistence": {
"items": [
{
"chosen_role_id": 7,
"dimension": {
"difficulty_hint": "well_known",
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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.