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Pipeline run

e3d0f08b-391a-442f-b47b-6af70570721e

Pipeline LLM cost (USD)
API 1: $0.0029 API 2: $0.0002 API 3: $0.0000 Total: $0.0030

Client output enrichment

v2 Skill cluster · Nature of work · AI index · Tech stack maturity · Evidence · KRA description
SPARSE JD role baseline loaded sources · ai_index: role_baseline · nature_of_work: jd · tech_stack_maturity: role_baseline
Nature of work · API and service implementation
Build and maintain server-side app logic, develop scalable software and APIs, and work with database integrity while coordinating closely with front-end developers and architects.
"building and maintaining server-side web application logic, developing scalable software, implementing APIs"
Tech stack maturity
Modern Cloud Native
Backend development today is typically built around cloud-hosted services, containers, CI/CD, and distributed systems, but AI is usually only an optional integration rather than the core of the role.
AI index (0 = no AI use, 5 = totally AI-dependent · v2.1)
1.80 / 5
· Title match
· Has AI skill
· AI skill (primary)
· AI skill (secondary)
· On AI team
· Builds AI products
vocab breakdown (legacy)
Assistants (×1):
Frameworks (×2):
Models / concepts (×3):
Evidence — skills matched in JD (3)
Object-Oriented Programming API Development Front-End Development
Skill cluster (1 dimension groups, role-scoped)
Cross-cutting / unaligned
Object-Oriented Programming API Development Front-End Development
Show KRA description ↓
This is a full-time, on-site role for a Back End Developer located in the College Street,Kolkata. The Back End Developer will be responsible for building and maintaining server-side web application logic, developing scalable software, implementing APIs, and ensuring data integrity. The role involves collaborating with front-end developers, system architects, and other team members to deliver seamless and efficient software solutions. • Proficiency in Back-End Web Development and Software Development • Strong skills in Object-Oriented Programming (OOP) and Programming • Understanding of Front-End Development for effective collaboration • Experience in database management and API development • Ability to work collaboratively in a team environment • Problem-solving mindset and attention to detail • Bachelor's degree in Computer Science, Software Engineering, or relatable field • Relevant industry certifications are an advantage

Signals

Skill
Alias backend-engineer
1.00
KRA flutter-developer
0.57

Post-classification

Centroidupdated · n=154
Alias collision log
New-role queue
New skills captured3
New KRA capturedyes

Captured for admin review

Object-Oriented Programming primary Backend Developer pending
API Development primary Backend Developer pending
Front-End Development Backend Developer pending
R&R fragment (sim 0.00) Backend Developer pending

This is a full-time, on-site role for a Back End Developer located in the College Street,Kolkata. The Back End Developer will be responsible for building and maintaining server-side web application lo…

Status: completed Created: 2026-05-27T13:44:49.593093Z Updated: 2026-05-27T13:46:02.905908Z API 3 duration: 3578 ms
Flow Current 3-step pipeline

1 POST /skills/extract-from-jd

2 POST /skills/extract-details

3 POST /skills/final-role-output

Role Chosen role & resolution

Backend Developer

CASE A

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

Exact alias hit on backend-engineer (1.0) — no other alias at this confidence; skill_top absent does not contradict

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

0
New skills
0
Skill↔dim saved
0
Role↔dim saved
0
Skipped

Job description

Company Description
Ray And Martin (Book Publishers)
Role Description
This is a full-time, on-site role for a Back End Developer located in the College Street,Kolkata. The Back End Developer will be responsible for building and maintaining server-side web application logic, developing scalable software, implementing APIs, and ensuring data integrity. The role involves collaborating with front-end developers, system architects, and other team members to deliver seamless and efficient software solutions.


Qualifications
• Proficiency in Back-End Web Development and Software Development
• Strong skills in Object-Oriented Programming (OOP) and Programming
• Understanding of Front-End Development for effective collaboration
• Experience in database management and API development
• Ability to work collaboratively in a team environment
• Problem-solving mindset and attention to detail
• Bachelor's degree in Computer Science, Software Engineering, or relatable field
• Relevant industry certifications are an advantage

Skills from this JD

Each row merges API 1 extraction, API 2 library match / v3 orchestration (dimensions + locked dims), and API 3 persistence tags.

Object-Oriented Programming Primary New / orchestrated API 3: new canonical path (new) New / unmatched skill (orchestrated in API 2)

Skill enrichment (orchestrator / LLM)

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

Derived legacy fields
Category
Programming Languages
Sub-category
general
Skill nature
CONCEPT
Volatility
STABLE
Typical lifespan
EVERGREEN
Version strategy
UNVERSIONED
API Development Primary New / orchestrated API 3: new canonical path (new) New / unmatched skill (orchestrated in API 2)

Skill enrichment (orchestrator / LLM)

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

Derived legacy fields
Category
Web Frameworks
Sub-category
general
Skill nature
PRACTICE
Volatility
MEDIUM
Typical lifespan
MULTI_YEAR
Version strategy
UNVERSIONED
Front-End Development Secondary New / orchestrated API 3: new canonical path (new) New / unmatched skill (orchestrated in API 2)

Skill enrichment (orchestrator / LLM)

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

Derived legacy fields
Category
Web Frameworks
Sub-category
general
Skill nature
PRACTICE
Volatility
MEDIUM
Typical lifespan
MULTI_YEAR
Version strategy
UNVERSIONED

Library artifacts (this run)

Kind Detail DB id
canonical_skill_proposed Object-Oriented Programming | type=Programming Languages subtype=general nature=CONCEPT lifespan=EVERGREEN
canonical_skill_proposed API Development | type=Web Frameworks subtype=general nature=PRACTICE lifespan=MULTI_YEAR
canonical_skill_proposed Front-End Development | type=Web Frameworks subtype=general nature=PRACTICE lifespan=MULTI_YEAR
nano JD Parser — gpt-4.1-nano click to toggle
RoleBack End Developer
CompanyRay And Martin (Book Publishers)
DomainOther
Location Kolkata, India (onsite)
JD type pass

Certifications

Relevant industry certifications
Show raw JSON
{
  "JD_type": "pass",
  "about_company": null,
  "certifications": [
    "Relevant industry certifications"
  ],
  "company_name": "Ray And Martin (Book Publishers)",
  "ctc": null,
  "domain": {
    "primary": {
      "aliases": [],
      "domain": "Other"
    },
    "secondary": null
  },
  "education": [
    {
      "level": "Bachelor\u0027s",
      "qualification": "BTECH/BE - Computer Science / Software Engineering (or relatable field)",
      "raw": "Bachelor\u0027s degree in Computer Science, Software Engineering, or relatable field",
      "requirement": "required"
    }
  ],
  "experience": {
    "max": null,
    "min": null,
    "raw": null
  },
  "job_locations": [
    {
      "aliases": [
        "Calcutta"
      ],
      "city": "Kolkata",
      "country": "India",
      "state": "West Bengal",
      "work_mode": "onsite"
    }
  ],
  "role": "Back End Developer",
  "role_aliases": [
    "Backend Developer",
    "Back-End Engineer",
    "Server-Side Developer"
  ],
  "role_archetype": "Engineering",
  "roles_and_responsibilities": [
    {
      "bullet_count": 0,
      "heading": "Role Description",
      "heading_was_present": true,
      "source_marker": {
        "first_5_words": "This is a full-time, on-site",
        "last_5_words": "efficient software solutions."
      },
      "text": "This is a full-time, on-site role for a Back End Developer located in the College Street,Kolkata. The Back End Developer will be responsible for building and maintaining server-side web application logic, developing scalable software, implementing APIs, and ensuring data integrity. The role involves collaborating with front-end developers, system architects, and other team members to deliver seamless and efficient software solutions.",
      "word_count": 54
    },
    {
      "bullet_count": 8,
      "heading": "Qualifications",
      "heading_was_present": true,
      "source_marker": {
        "first_5_words": "\u2022 Proficiency in Back-End Web",
        "last_5_words": "are an advantage"
      },
      "text": "\u2022 Proficiency in Back-End Web Development and Software Development\n\u2022 Strong skills in Object-Oriented Programming (OOP) and Programming\n\u2022 Understanding of Front-End Development for effective collaboration\n\u2022 Experience in database management and API development\n\u2022 Ability to work collaboratively in a team environment\n\u2022 Problem-solving mindset and attention to detail\n\u2022 Bachelor\u0027s degree in Computer Science, Software Engineering, or relatable field\n\u2022 Relevant industry certifications are an advantage",
      "word_count": 66
    }
  ],
  "urls": []
}
API 1 — extract-from-jd click to toggle
{
  "final_skills": [
    {
      "is_primary": true,
      "skill_name": "Object-Oriented Programming"
    },
    {
      "is_primary": true,
      "skill_name": "API Development"
    },
    {
      "is_primary": false,
      "skill_name": "Front-End Development"
    }
  ],
  "jd_role": {
    "display_name": "Back End Developer",
    "rationale": null,
    "role_aliases": [
      "Backend Developer",
      "Back-End Engineer",
      "Server-Side Developer"
    ],
    "role_archetype": "Engineering",
    "slug": ""
  },
  "nano_parsed": {
    "JD_type": "pass",
    "about_company": null,
    "certifications": [
      "Relevant industry certifications"
    ],
    "company_name": "Ray And Martin (Book Publishers)",
    "ctc": null,
    "domain": {
      "primary": {
        "aliases": [],
        "domain": "Other"
      },
      "secondary": null
    },
    "education": [
      {
        "level": "Bachelor\u0027s",
        "qualification": "BTECH/BE - Computer Science / Software Engineering (or relatable field)",
        "raw": "Bachelor\u0027s degree in Computer Science, Software Engineering, or relatable field",
        "requirement": "required"
      }
    ],
    "experience": {
      "max": null,
      "min": null,
      "raw": null
    },
    "job_locations": [
      {
        "aliases": [
          "Calcutta"
        ],
        "city": "Kolkata",
        "country": "India",
        "state": "West Bengal",
        "work_mode": "onsite"
      }
    ],
    "role": "Back End Developer",
    "role_aliases": [
      "Backend Developer",
      "Back-End Engineer",
      "Server-Side Developer"
    ],
    "role_archetype": "Engineering",
    "roles_and_responsibilities": [
      {
        "bullet_count": 0,
        "heading": "Role Description",
        "heading_was_present": true,
        "source_marker": {
          "first_5_words": "This is a full-time, on-site",
          "last_5_words": "efficient software solutions."
        },
        "text": "This is a full-time, on-site role for a Back End Developer located in the College Street,Kolkata. The Back End Developer will be responsible for building and maintaining server-side web application logic, developing scalable software, implementing APIs, and ensuring data integrity. The role involves collaborating with front-end developers, system architects, and other team members to deliver seamless and efficient software solutions.",
        "word_count": 54
      },
      {
        "bullet_count": 8,
        "heading": "Qualifications",
        "heading_was_present": true,
        "source_marker": {
          "first_5_words": "\u2022 Proficiency in Back-End Web",
          "last_5_words": "are an advantage"
        },
        "text": "\u2022 Proficiency in Back-End Web Development and Software Development\n\u2022 Strong skills in Object-Oriented Programming (OOP) and Programming\n\u2022 Understanding of Front-End Development for effective collaboration\n\u2022 Experience in database management and API development\n\u2022 Ability to work collaboratively in a team environment\n\u2022 Problem-solving mindset and attention to detail\n\u2022 Bachelor\u0027s degree in Computer Science, Software Engineering, or relatable field\n\u2022 Relevant industry certifications are an advantage",
        "word_count": 66
      }
    ],
    "urls": []
  },
  "rejected": false,
  "rejection_reason": null,
  "run_id": "e3d0f08b-391a-442f-b47b-6af70570721e",
  "stage3_signals": {
    "alias_found": true,
    "alias_match_roles": [
      {
        "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": "Flutter Developer",
        "kra_matches": [
          {
            "kra_text": "collaborate with design, product, and backend teams",
            "sentence": "The role involves collaborating with front-end developers, system architects, and other team members to deliver seamless and efficient software solutions.",
            "similarity": 0.6318
          },
          {
            "kra_text": "collaborate with design, product, and backend teams",
            "sentence": "Understanding of Front-End Development for effective collaboration",
            "similarity": 0.5738
          },
          {
            "kra_text": "collaborate with design, product, and backend teams",
            "sentence": "Ability to work collaboratively in a team environment",
            "similarity": 0.5104
          }
        ],
        "matched_count": null,
        "matched_skills": null,
        "role_id": 74,
        "score": 0.572,
        "slug": "flutter-developer",
        "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": "The role involves collaborating with front-end developers, system architects, and other team members to deliver seamless and efficient software solutions.",
            "similarity": 0.6035
          },
          {
            "kra_text": "Builds and integrates client-side React or Vue components with server-side Node.js or Django APIs, managing bidirectional data flow across frontend and backend layers.",
            "sentence": "The Back End Developer will be responsible for building and maintaining server-side web application logic, developing scalable software, implementing APIs, and ensuring data integrity.",
            "similarity": 0.5172
          },
          {
            "kra_text": "Builds and integrates client-side React or Vue components with server-side Node.js or Django APIs, managing bidirectional data flow across frontend and backend layers.",
            "sentence": "Understanding of Front-End Development for effective collaboration",
            "similarity": 0.4984
          }
        ],
        "matched_count": null,
        "matched_skills": null,
        "role_id": 15,
        "score": 0.5397,
        "slug": "full-stack-engineer",
        "total_count": null
      },
      {
        "display_name": "Angular Frontend Developer",
        "kra_matches": [
          {
            "kra_text": "collaboration with design and QA",
            "sentence": "Understanding of Front-End Development for effective collaboration",
            "similarity": 0.5367
          },
          {
            "kra_text": "collaboration with design and QA",
            "sentence": "The role involves collaborating with front-end developers, system architects, and other team members to deliver seamless and efficient software solutions.",
            "similarity": 0.5023
          },
          {
            "kra_text": "collaboration with design and QA",
            "sentence": "Ability to work collaboratively in a team environment",
            "similarity": 0.4362
          }
        ],
        "matched_count": null,
        "matched_skills": null,
        "role_id": 90,
        "score": 0.4917,
        "slug": "angular-frontend-developer",
        "total_count": null
      },
      {
        "display_name": "Frontend Developer",
        "kra_matches": [
          {
            "kra_text": "Collaborates with UX designers to refine interaction details, animations, responsive breakpoints, and micro-interaction behavior.",
            "sentence": "The role involves collaborating with front-end developers, system architects, and other team members to deliver seamless and efficient software solutions.",
            "similarity": 0.5241
          },
          {
            "kra_text": "Collaborates with UX designers to refine interaction details, animations, responsive breakpoints, and micro-interaction behavior.",
            "sentence": "Understanding of Front-End Development for effective collaboration",
            "similarity": 0.5143
          },
          {
            "kra_text": "Integrates frontend views with RESTful or GraphQL backend APIs, handling async data fetching, loading states, error boundaries, and cache invalidation.",
            "sentence": "The Back End Developer will be responsible for building and maintaining server-side web application logic, developing scalable software, implementing APIs, and ensuring data integrity.",
            "similarity": 0.4257
          }
        ],
        "matched_count": null,
        "matched_skills": null,
        "role_id": 7,
        "score": 0.488,
        "slug": "frontend-engineer",
        "total_count": null
      },
      {
        "display_name": "Python Backend Developer",
        "kra_matches": [
          {
            "kra_text": "Implement server-side business logic",
            "sentence": "The Back End Developer will be responsible for building and maintaining server-side web application logic, developing scalable software, implementing APIs, and ensuring data integrity.",
            "similarity": 0.5012
          },
          {
            "kra_text": "Design backend endpoints and request handling",
            "sentence": "Understanding of Front-End Development for effective collaboration",
            "similarity": 0.4985
          },
          {
            "kra_text": "Design backend endpoints and request handling",
            "sentence": "The role involves collaborating with front-end developers, system architects, and other team members to deliver seamless and efficient software solutions.",
            "similarity": 0.4226
          }
        ],
        "matched_count": null,
        "matched_skills": null,
        "role_id": 80,
        "score": 0.4741,
        "slug": "python-backend-developer",
        "total_count": null
      }
    ],
    "skill_match_roles": []
  },
  "stage4_decision": {
    "alias_collision_detected": false,
    "case": "A",
    "chosen_role": {
      "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
    },
    "confidence": 1.0,
    "is_new_role": false,
    "llm2_fired": false,
    "llm2_reasoning": null,
    "matched_dimensions": [],
    "matched_kras": [],
    "matched_skills": [],
    "new_role_display_name": null,
    "new_role_slug": null,
    "queued": false,
    "reasoning": "Exact alias hit on backend-engineer (1.0) \u2014 no other alias at this confidence; skill_top absent does not contradict",
    "sub_role": null
  },
  "stage5_updates": {
    "centroid_n_after": 154,
    "centroid_updated": true,
    "collision_log_id": null,
    "new_kra_attached": {
      "best_kra_similarity": 0.0,
      "queue_id": 196,
      "r_and_r_preview": "This is a full-time, on-site role for a Back End Developer located in the College Street,Kolkata. The Back End Developer will be responsible for building and maintaining server-side web application lo",
      "role_display_name": "Backend Developer",
      "role_slug": "backend-engineer",
      "status": "pending"
    },
    "new_skills_attached": [
      {
        "is_primary": true,
        "queue_id": 4581,
        "role_display_name": "Backend Developer",
        "role_slug": "backend-engineer",
        "skill_name": "Object-Oriented Programming",
        "status": "pending"
      },
      {
        "is_primary": true,
        "queue_id": 4582,
        "role_display_name": "Backend Developer",
        "role_slug": "backend-engineer",
        "skill_name": "API Development",
        "status": "pending"
      },
      {
        "is_primary": false,
        "queue_id": 4583,
        "role_display_name": "Backend Developer",
        "role_slug": "backend-engineer",
        "skill_name": "Front-End Development",
        "status": "pending"
      }
    ],
    "queue_entry_id": null,
    "v3_pipeline_triggered": false,
    "v3_role_slug": null,
    "v3_run_id": null
  }
}
API 2 — extract-details
{
  "alias_matches": [],
  "candidate_roles": [],
  "chosen_role": {
    "display_name": "Backend Developer",
    "id": 1,
    "rationale": "Exact alias hit on backend-engineer (1.0) \u2014 no other alias at this confidence; skill_top absent does not contradict",
    "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"
  },
  "dimensions": [],
  "input_final_skills": [
    "Object-Oriented Programming",
    "API Development",
    "Front-End Development"
  ],
  "input_llm_skills": [
    "Object-Oriented Programming",
    "API Development",
    "Front-End Development"
  ],
  "new_aliases_persisted": 0,
  "run_id": "e3d0f08b-391a-442f-b47b-6af70570721e",
  "skills_detail": [
    {
      "aliases_in_db": [],
      "canonical": null,
      "dimensions": [],
      "input_skill": "Object-Oriented Programming",
      "matched_via": null,
      "new_alias_persisted": false,
      "new_alias_text": null,
      "new_skill_meta": {
        "derived": {
          "category": "Programming Languages",
          "skill_nature": "CONCEPT",
          "sub_category": "general",
          "typical_lifespan": "EVERGREEN",
          "version_strategy": "UNVERSIONED",
          "volatility": "STABLE"
        },
        "enrichment": null,
        "keep_log": [],
        "locked_dimensions": [],
        "merge_log": [],
        "placed": null,
        "relationships": null,
        "skill_id": "object-oriented-programming",
        "split_log": [],
        "typed": null,
        "warnings": []
      },
      "source_tag": "llm",
      "was_in_llm_skills": true
    },
    {
      "aliases_in_db": [],
      "canonical": null,
      "dimensions": [],
      "input_skill": "API Development",
      "matched_via": null,
      "new_alias_persisted": false,
      "new_alias_text": null,
      "new_skill_meta": {
        "derived": {
          "category": "Web Frameworks",
          "skill_nature": "PRACTICE",
          "sub_category": "general",
          "typical_lifespan": "MULTI_YEAR",
          "version_strategy": "UNVERSIONED",
          "volatility": "MEDIUM"
        },
        "enrichment": null,
        "keep_log": [],
        "locked_dimensions": [],
        "merge_log": [],
        "placed": null,
        "relationships": null,
        "skill_id": "api-development",
        "split_log": [],
        "typed": null,
        "warnings": []
      },
      "source_tag": "llm",
      "was_in_llm_skills": true
    },
    {
      "aliases_in_db": [],
      "canonical": null,
      "dimensions": [],
      "input_skill": "Front-End Development",
      "matched_via": null,
      "new_alias_persisted": false,
      "new_alias_text": null,
      "new_skill_meta": {
        "derived": {
          "category": "Web Frameworks",
          "skill_nature": "PRACTICE",
          "sub_category": "general",
          "typical_lifespan": "MULTI_YEAR",
          "version_strategy": "UNVERSIONED",
          "volatility": "MEDIUM"
        },
        "enrichment": null,
        "keep_log": [],
        "locked_dimensions": [],
        "merge_log": [],
        "placed": null,
        "relationships": null,
        "skill_id": "front-end-development",
        "split_log": [],
        "typed": null,
        "warnings": []
      },
      "source_tag": "llm",
      "was_in_llm_skills": true
    }
  ],
  "unmatched_skills": [
    "Object-Oriented Programming",
    "API Development",
    "Front-End Development"
  ]
}
API 3 — final-role-output
{
  "chosen_role": {
    "display_name": "Backend Developer",
    "id": 1,
    "rationale": "Exact alias hit on backend-engineer (1.0) \u2014 no other alias at this confidence; skill_top absent does not contradict",
    "role_archetype": "A Backend Engineer designs, builds, and maintains the server-side logic and data handling that power applications and services. They focus on implementing reliable business functionality, integrating with other systems, and ensuring the backend is scalable, maintainable, and observable.",
    "slug": "backend-engineer",
    "source": "db"
  },
  "chosen_role_resolution": "in_db",
  "final_input_skills": [
    {
      "skill": "Object-Oriented Programming",
      "tag": "new"
    },
    {
      "skill": "API Development",
      "tag": "new"
    },
    {
      "skill": "Front-End Development",
      "tag": "new"
    }
  ],
  "llm_cost_api1_usd": null,
  "llm_cost_api2_usd": null,
  "llm_cost_api3_usd": null,
  "llm_cost_total_usd": null,
  "persistence": {
    "items": [],
    "new_skills_created": 0,
    "role_dimension_saved": 0,
    "skill_dimension_saved": 0,
    "skipped": 0
  },
  "planner_output": null,
  "run_id": "e3d0f08b-391a-442f-b47b-6af70570721e"
}

LLM Calls

Every model call made for this run, in pipeline order. Click a card to see the model's response.

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