Pipeline run
6f497e10-f592-4b27-a811-26af85685697
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
Gather and analyze requirements, the design of technical specifications, developing solutions, problem-solving, testing, implementing and supporting systems. Manage projects and communicate project st…
1 POST /skills/extract-from-jd
2 POST /skills/extract-details
3 POST /skills/final-role-output
Backend Developer
→Ruby Backend Developer
sub-role · 0.99 domain · Software Engineering CASE DOMAINslug: backend-engineer · id: 1 · source: db · sub-role slug: ruby-backend-developer
Domain=Software Engineering → sub-role ruby-backend-developer; The JD centers on server-side development, RESTful APIs, Ruby, testing, implementation, documentation, and system support, which best matches Backend 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
Cialfo is a leading platform connecting students, higher education institutions and counselors through technology driven solutions. Launched in 2017 with a mission to make education accessible to 100 million students, Cialfo provides a range of mobile and web solutions to students, K-12 institutions and higher education institutions. We’re one of the fastest-growing edtech startups in the region, consistently charting new heights! Join our hardworking engineering team, who all aspires to enhance their technical skills to innovate real-world solutions in an ever-changing EduTech landscape. We welcome individuals who challenge themselves with crafting our world-class products and engineer next-generation software. Job Description We are currently looking for a Backend Developer who has a (mild) obsession with Ruby. Self-starters who believe that the sky's the limit, please read on. As a Backend developer at Cialfo, you're deeply technical and hands-on. You'll work with our entire Engineering team, working in tandem with the Business Development and Client Experience teams to grow our College Application Platform for scalability and performance. Responsibilities Gather and analyze requirements, the design of technical specifications, developing solutions, problem-solving, testing, implementing and supporting systems.Manage projects and communicate project status, issues, risks and resolutions to team members and management in a timely manner.Keep up to date with industry trends, evaluate technical solutions and make recommendations.Develop and maintain the project, technical and user documentation and ensure version control practices.Other related duties as required. Requirements 4+ years of back-end development experience.Exceptional Ruby programming skills.Experience with RESTful APIs including designing, implementing, testing and supporting them.Good communication and writing skills in English will be an added advantage.Comfortable working in an Agile work environment with an incredibly fast pace and a large degree of independence. Benefits Exact benefits vary depending on your location. That said, all full-time Cialfo employees receive the following benefits: Paid Annual and Medical leavesFlexible working environmentMedical Health Insuranceand more...
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
- Ruby (CANONICAL) primary
- CRuby (VERSION)
- MRI (VERSION)
- Ruby 2 (VERSION)
- Ruby 2.6 (VERSION)
- Ruby 2.7 (VERSION)
- Ruby 2.x (VERSION)
- Ruby 3 (VERSION)
- Ruby 3.2 (VERSION)
- Ruby 3.3 (VERSION)
- Ruby 3.x (VERSION)
- ruby 3 (VERSION)
- ruby 3.3 (VERSION)
- ruby 3.x (VERSION)
- ruby3 (VERSION)
- ruby3.3 (VERSION)
- ruby3.x (VERSION)
Context tags (catalog)
Stored enrichment (catalog DB)
- Category
- Language
- Sub-category
- Programming Language
- Vendor
- Ruby Association
- License
- mit
- Year introduced
- 1995
- Confidence
- 0.99
- Version strategy
- SEPARATE_ENTITY
- Version tag
- 3.3
Maturity reasoning: Ruby remains common in job postings, especially for Rails backends and legacy web stacks; it’s still a standard hiring-pipeline language rather than a niche or sunset tech.
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)
-
Programming Languages and Scripting Catalog dimension db id 59
Library dimension (catalog)
Roles linked in library: Cyber Security Engineer
-
Ruby Language and Syntax Catalog dimension db id 415
Library dimension (catalog)
Roles linked in library: Ruby Backend Developer
API 3 link attempts (this skill)
| Dimension | Skill↔dim | Role↔dim | Outcome |
|---|---|---|---|
|
Programming Languages and Scripting
programming-languages-and-scripting
|
✓ | — | Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role) |
|
Ruby Language and Syntax
ruby-language-and-syntax
|
✓ | — | Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role) |
Aliases — catalog
- REST (CANONICAL) primary
Context tags (catalog)
Stored enrichment (catalog DB)
- Category
- Concept
- Sub-category
- Api Architecture Style
- Year introduced
- 2000
- Confidence
- 0.88
- Version strategy
- NOT_APPLICABLE
Maturity reasoning: REST is a default API architecture in many job descriptions and is widely supported by major vendors/frameworks; OpenAPI and RESTful endpoints remain standard in hiring pipelines.
Skill profile (library / DB)
- Skill nature
- CONCEPT
- Volatility
- STABLE
- Typical lifespan
- EVERGREEN
- Category id
- 2
- Sub-category id
- 2122
- Extractable
- True
- Also category
- False
Dimensions (API 2 worklist)
-
API Design and Contracts Catalog dimension db id 3
Library dimension (catalog)
Roles linked in library: Backend Developer, Fullstack Developer, Fullstack Developer
-
API Interface and Contract Design Catalog dimension db id 289
Library dimension (catalog)
Roles linked in library: .NET Backend Developer, Go Backend Developer, Kotlin Backend Developer, Node.js Backend Developer, PHP Backend Developer, Python Backend Developer, Ruby Backend Developer, Scala Backend Developer
-
Integration Protocols & Standards Catalog dimension db id 271
Library dimension (catalog)
Roles linked in library: Pega Developer
-
Standards, Protocols & Compliance Catalog dimension db id 452
Library dimension (catalog)
Roles linked in library: Engineering Manager, Sitecore Dev
API 3 link attempts (this skill)
| Dimension | Skill↔dim | Role↔dim | Outcome |
|---|---|---|---|
|
API Design and Contracts
api-design-and-contracts
|
✓ | ✓ | Existing dimension (library) · Role↔dimension saved |
|
API Interface and Contract Design
api-interface-and-contract-design
|
✓ | — | Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role) |
|
Integration Protocols & Standards
integration-protocols-standards
|
✓ | — | Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role) |
|
Standards, Protocols & Compliance
standards-protocols-compliance
|
✓ | — | Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role) |
Aliases — catalog
- Agile (CANONICAL) primary
Context tags (catalog)
Stored enrichment (catalog DB)
- Category
- Methodology
- Sub-category
- Agile
- Confidence
- 0.99
- Version strategy
- NOT_APPLICABLE
Maturity reasoning: Agile appears in a large share of software job descriptions and is a standard hiring-pipeline requirement; Scrum/Kanban are commonly listed alongside it, showing broad market adoption.
Skill profile (library / DB)
- Skill nature
- METHODOLOGY
- Volatility
- STABLE
- Typical lifespan
- EVERGREEN
- Category id
- 8
- Sub-category id
- 3594
- Extractable
- True
- Also category
- False
Dimensions (API 2 worklist)
-
React Frontend Development Catalog dimension db id 96
Library dimension (catalog)
-
Software Concepts, Patterns & Practices Catalog dimension db id 478
Library dimension (catalog)
Roles linked in library: Engineering Manager
API 3 link attempts (this skill)
| Dimension | Skill↔dim | Role↔dim | Outcome |
|---|---|---|---|
|
React Frontend Development
d_init_01
|
✓ | — | Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role) |
|
Software Concepts, Patterns & Practices
software-concepts-patterns-practices
|
✓ | — | Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role) |
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 |
|---|---|---|---|---|---|---|
| Ruby | in_db |
Programming Languages and Scripting
programming-languages-and-scripting
|
✓ | — | Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role) | |
| Ruby | in_db |
Ruby Language and Syntax
ruby-language-and-syntax
|
✓ | — | Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role) | |
| REST | in_db |
API Design and Contracts
api-design-and-contracts
|
✓ | ✓ | Existing dimension (library) · Role↔dimension saved | |
| REST | in_db |
API Interface and Contract Design
api-interface-and-contract-design
|
✓ | — | Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role) | |
| REST | in_db |
Integration Protocols & Standards
integration-protocols-standards
|
✓ | — | Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role) | |
| REST | in_db |
Standards, Protocols & Compliance
standards-protocols-compliance
|
✓ | — | Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role) | |
| Agile | in_db |
React Frontend Development
d_init_01
|
✓ | — | Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role) | |
| Agile | in_db |
Software Concepts, Patterns & Practices
software-concepts-patterns-practices
|
✓ | — | Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role) |
Library artifacts (this run)
nano JD Parser — gpt-4.1-nano click to toggle
Show raw JSON
{
"JD_type": "pass",
"about_company": {
"source_marker": {
"first_5_words": "Cialfo is a leading platform",
"last_5_words": "charting new heights!"
},
"text": "Cialfo is a leading platform connecting students, higher education institutions and counselors through technology driven solutions. Launched in 2017 with a mission to make education accessible to 100 million students, Cialfo provides a range of mobile and web solutions to students, K-12 institutions and higher education institutions. We\u2019re one of the fastest-growing edtech startups in the region, consistently charting new heights!",
"word_count": 64
},
"certifications": [],
"company_name": "Cialfo",
"ctc": null,
"domain": {
"primary": {
"aliases": [
"EdTech",
"Educational Technology"
],
"domain": "Education"
},
"secondary": null
},
"education": [],
"experience": {
"max": null,
"min": 4,
"raw": "4+ years of back-end development experience"
},
"job_locations": [],
"role": "Backend Developer",
"role_aliases": [
"Backend Engineer",
"Ruby Developer",
"Software Engineer"
],
"role_archetype": "Engineering",
"roles_and_responsibilities": [
{
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"heading": "Responsibilities",
"heading_was_present": true,
"source_marker": {
"first_5_words": "Gather and analyze requirements, the",
"last_5_words": "and ensure version control practices."
},
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"word_count": 66
},
{
"bullet_count": 5,
"heading": "Requirements",
"heading_was_present": true,
"source_marker": {
"first_5_words": "4+ years of back-end development",
"last_5_words": "degree of independence."
},
"text": "4+ years of back-end development experience.\nExceptional Ruby programming skills.\nExperience with RESTful APIs including designing, implementing, testing and supporting them.\nGood communication and writing skills in English will be an added advantage.\nComfortable working in an Agile work environment with an incredibly fast pace and a large degree of independence.",
"word_count": 56
}
],
"urls": []
}
API 1 — extract-from-jd click to toggle
{
"final_skills": [
{
"is_primary": true,
"skill_name": "Ruby"
},
{
"is_primary": true,
"skill_name": "REST"
},
{
"is_primary": true,
"skill_name": "Agile"
}
],
"jd_role": {
"display_name": "Backend Developer",
"rationale": null,
"role_aliases": [
"Backend Engineer",
"Ruby Developer",
"Software Engineer"
],
"role_archetype": "Engineering",
"slug": ""
},
"nano_parsed": {
"JD_type": "pass",
"about_company": {
"source_marker": {
"first_5_words": "Cialfo is a leading platform",
"last_5_words": "charting new heights!"
},
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"word_count": 64
},
"certifications": [],
"company_name": "Cialfo",
"ctc": null,
"domain": {
"primary": {
"aliases": [
"EdTech",
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],
"domain": "Education"
},
"secondary": null
},
"education": [],
"experience": {
"max": null,
"min": 4,
"raw": "4+ years of back-end development experience"
},
"job_locations": [],
"role": "Backend Developer",
"role_aliases": [
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],
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"roles_and_responsibilities": [
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},
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"word_count": 66
},
{
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"heading_was_present": true,
"source_marker": {
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"last_5_words": "degree of independence."
},
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"word_count": 56
}
],
"urls": []
},
"rejected": false,
"rejection_reason": null,
"run_id": "6f497e10-f592-4b27-a811-26af85685697",
"stage3_signals": {
"alias_found": true,
"alias_match_roles": [
{
"display_name": "Ruby Backend Developer",
"kra_matches": null,
"matched_count": null,
"matched_skills": null,
"role_id": 85,
"score": 1.0,
"slug": "ruby-backend-developer",
"total_count": null
},
{
"display_name": "Backend Developer",
"kra_matches": null,
"matched_count": null,
"matched_skills": null,
"role_id": 1,
"score": 1.0,
"slug": "backend-engineer",
"total_count": null
}
],
"kra_match_roles": [
{
"display_name": "Cloud Architect",
"kra_matches": [
{
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"sentence": "Develop and maintain the project, technical and user documentation and ensure version control practices.",
"similarity": 0.4901
},
{
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"similarity": 0.4828
},
{
"kra_text": "Conducts architecture reviews, approves technical design documents, and guides engineering teams through cloud migration and modernization projects.",
"sentence": "Keep up to date with industry trends, evaluate technical solutions and make recommendations.",
"similarity": 0.4576
}
],
"matched_count": null,
"matched_skills": null,
"role_id": 9,
"score": 0.4768,
"slug": "cloud-architect",
"total_count": null
},
{
"display_name": "Engineering Manager",
"kra_matches": [
{
"kra_text": "Set team goals and delivery plans",
"sentence": "Manage projects and communicate project status, issues, risks and resolutions to team members and management in a timely manner.",
"similarity": 0.5098
},
{
"kra_text": "facilitate technical and delivery decisions",
"sentence": "Keep up to date with industry trends, evaluate technical solutions and make recommendations.",
"similarity": 0.5007
},
{
"kra_text": "Set team goals and delivery plans",
"sentence": "Develop and maintain the project, technical and user documentation and ensure version control practices.",
"similarity": 0.4178
}
],
"matched_count": null,
"matched_skills": null,
"role_id": 121,
"score": 0.4761,
"slug": "engineering-manager",
"total_count": null
},
{
"display_name": "Fullstack Developer",
"kra_matches": [
{
"kra_text": "Works closely with product managers and UX designers to translate requirements and wireframes into working software features through iterative development.",
"sentence": "Gather and analyze requirements, the design of technical specifications, developing solutions, problem-solving, testing, implementing and supporting systems.",
"similarity": 0.4972
},
{
"kra_text": "Works closely with product managers and UX designers to translate requirements and wireframes into working software features through iterative development.",
"sentence": "Develop and maintain the project, technical and user documentation and ensure version control practices.",
"similarity": 0.4609
},
{
"kra_text": "Works closely with product managers and UX designers to translate requirements and wireframes into working software features through iterative development.",
"sentence": "Manage projects and communicate project status, issues, risks and resolutions to team members and management in a timely manner.",
"similarity": 0.3986
}
],
"matched_count": null,
"matched_skills": null,
"role_id": 15,
"score": 0.4522,
"slug": "full-stack-engineer",
"total_count": null
},
{
"display_name": "Cyber Security Engineer",
"kra_matches": [
{
"kra_text": "Defines secure engineering standards, secure coding guidelines, threat intelligence feeds, and compliance requirements for the organization.",
"sentence": "Keep up to date with industry trends, evaluate technical solutions and make recommendations.",
"similarity": 0.4642
},
{
"kra_text": "Conducts security posture assessments, vulnerability scans, and penetration testing to identify weaknesses and evaluate overall system security.",
"sentence": "Gather and analyze requirements, the design of technical specifications, developing solutions, problem-solving, testing, implementing and supporting systems.",
"similarity": 0.4404
},
{
"kra_text": "Defines secure engineering standards, secure coding guidelines, threat intelligence feeds, and compliance requirements for the organization.",
"sentence": "Develop and maintain the project, technical and user documentation and ensure version control practices.",
"similarity": 0.4266
}
],
"matched_count": null,
"matched_skills": null,
"role_id": 5,
"score": 0.4437,
"slug": "cybersecurity-engineer",
"total_count": null
},
{
"display_name": "Flutter Developer",
"kra_matches": [
{
"kra_text": "translate product and design requirements",
"sentence": "Gather and analyze requirements, the design of technical specifications, developing solutions, problem-solving, testing, implementing and supporting systems.",
"similarity": 0.452
},
{
"kra_text": "collaborate with design, product, and backend teams",
"sentence": "Develop and maintain the project, technical and user documentation and ensure version control practices.",
"similarity": 0.4339
},
{
"kra_text": "collaborate with design, product, and backend teams",
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"similarity": 0.4295
}
],
"matched_count": null,
"matched_skills": null,
"role_id": 74,
"score": 0.4385,
"slug": "flutter-developer",
"total_count": null
}
],
"skill_match_roles": [
{
"display_name": "Engineering Manager",
"kra_matches": null,
"matched_count": 2,
"matched_skills": [
"Agile",
"REST"
],
"role_id": 121,
"score": 0.6667,
"slug": "engineering-manager",
"total_count": 3
},
{
"display_name": "Ruby Backend Developer",
"kra_matches": null,
"matched_count": 2,
"matched_skills": [
"REST",
"Ruby"
],
"role_id": 85,
"score": 0.6667,
"slug": "ruby-backend-developer",
"total_count": 3
},
{
"display_name": "Fullstack Developer",
"kra_matches": null,
"matched_count": 1,
"matched_skills": [
"REST"
],
"role_id": 15,
"score": 0.3333,
"slug": "full-stack-engineer",
"total_count": 3
},
{
"display_name": "Python Backend Developer",
"kra_matches": null,
"matched_count": 1,
"matched_skills": [
"REST"
],
"role_id": 80,
"score": 0.3333,
"slug": "python-backend-developer",
"total_count": 3
},
{
"display_name": "Pega Developer",
"kra_matches": null,
"matched_count": 1,
"matched_skills": [
"REST"
],
"role_id": 24,
"score": 0.3333,
"slug": "pega-developer",
"total_count": 3
}
]
},
"stage4_decision": {
"alias_collision_detected": false,
"case": "DOMAIN",
"chosen_role": {
"display_name": "Backend Developer",
"kra_matches": null,
"matched_count": null,
"matched_skills": null,
"role_id": 1,
"score": 0.99,
"slug": "backend-engineer",
"total_count": null
},
"confidence": 0.99,
"is_new_role": false,
"llm2_fired": false,
"llm2_reasoning": null,
"matched_dimensions": [
"Backend Development",
"API Design and Implementation",
"Requirements Analysis and Technical Specification Design",
"Testing and Support",
"Project Communication and Coordination",
"Technical Documentation",
"Agile Delivery"
],
"matched_kras": [
"Gather and analyze requirements",
"Design technical specifications",
"Developing solutions, problem-solving, testing, implementing and supporting systems",
"Manage projects and communicate project status",
"Evaluate technical solutions and make recommendations",
"Develop and maintain project, technical and user documentation",
"Ensure version control practices"
],
"matched_skills": [
"Ruby",
"RESTful APIs",
"back-end development",
"testing",
"Agile",
"technical specifications",
"version control",
"project documentation",
"user documentation"
],
"new_role_display_name": null,
"new_role_slug": null,
"queued": false,
"reasoning": "Domain=Software Engineering \u2192 sub-role ruby-backend-developer; The JD centers on server-side development, RESTful APIs, Ruby, testing, implementation, documentation, and system support, which best matches Backend Developer.",
"sub_role": {
"confidence": 0.99,
"display_name": "Ruby Backend Developer",
"reasoning": "The JD explicitly calls for exceptional Ruby programming skills, which clearly maps to the Ruby backend specialization.",
"role_id": 85,
"slug": "ruby-backend-developer"
}
},
"stage5_updates": {
"centroid_n_after": 939,
"centroid_updated": true,
"collision_log_id": null,
"new_kra_attached": {
"best_kra_similarity": 0.0,
"queue_id": 994,
"r_and_r_preview": "Gather and analyze requirements, the design of technical specifications, developing solutions, problem-solving, testing, implementing and supporting systems.\nManage projects and communicate project st",
"role_display_name": "Backend Developer",
"role_slug": "backend-engineer",
"status": "pending"
},
"new_skills_attached": [],
"queue_entry_id": null,
"v3_pipeline_triggered": false,
"v3_role_slug": null,
"v3_run_id": null
}
}
API 2 — extract-details
{
"alias_matches": [
{
"alias_persist_skipped_reason": "alias_text already exists for this canonical skill",
"alias_persisted": false,
"existing_alias_id": 606,
"existing_alias_text": "Ruby",
"input_term": "Ruby",
"matched_canonical": {
"category_id": 6,
"display_name": "Ruby",
"id": 300,
"is_also_category": false,
"is_extractable": true,
"skill_nature": "LANGUAGE",
"slug": "ruby",
"sub_category_id": 96,
"typical_lifespan": "EVERGREEN",
"volatility": "STABLE"
},
"matched_via": "alias"
},
{
"alias_persist_skipped_reason": "alias_text already exists for this canonical skill",
"alias_persisted": false,
"existing_alias_id": 106,
"existing_alias_text": "REST",
"input_term": "REST",
"matched_canonical": {
"category_id": 2,
"display_name": "REST",
"id": 11,
"is_also_category": false,
"is_extractable": true,
"skill_nature": "CONCEPT",
"slug": "rest",
"sub_category_id": 2122,
"typical_lifespan": "EVERGREEN",
"volatility": "STABLE"
},
"matched_via": "alias"
},
{
"alias_persist_skipped_reason": "alias_text already exists for this canonical skill",
"alias_persisted": false,
"existing_alias_id": 868,
"existing_alias_text": "Agile",
"input_term": "Agile",
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}
],
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},
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],
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}
API 3 — final-role-output
{
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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.