Pipeline run

ba8d7506-465a-4829-b4e5-def44834f3d2

Pipeline LLM cost (USD)

API 1: $0.0102 API 2: $0.0002 API 3: $0.0000 Total: $0.0104

Client output enrichment

v2 Skill cluster · Nature of work · AI index · Tech stack maturity · Evidence · KRA description

role baseline loaded sources · ai_index: jd · nature_of_work: jd · tech_stack_maturity: jd

Nature of work · Performance and production support

Build and maintain high-performance, low-latency software for mission-critical systems, writing testable code with sound OO/design patterns, supporting the full SDLC, and handling live production support and stakeholder communication.

"Manage and provide live support to the developed applications"

Tech stack maturity

Mainstream Modern

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

0.20 / 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): AI, ML, Machine Learning, Artificial Intelligence

Evidence — skills matched in JD (6)

AWS SDK Object-Oriented Programming Functional Programming Reactive Programming Design Patterns Version Control

Skill cluster (1 dimension groups, role-scoped)

Cross-cutting / unaligned

AWS SDK Object-Oriented Programming Functional Programming Reactive Programming Design Patterns Version Control

Show KRA description ↓

• Develop state-of-the-art high performance and low latency software applications for mission critical systems • Contribute in all the phases of the software development lifecycle • Craft a well-designed, testable, efficient code • Perform object-oriented analysis and design using common design patterns. • Effectively and seamlessly manage communication with all stakeholders. • Manage and provide live support to the developed applications • Understands version control branching strategies • Understands different major language paradigms (object oriented /functional /reactive) • Understanding and some experience in programming with AWS SDK

Signals

Skill —

—

Alias backend-engineer

1.00

KRA react-native-developer

0.47

Post-classification

Centroidupdated · n=1599

Alias collision log—

New-role queue—

New skills captured5

New KRA capturedyes

Captured for admin review

AWS SDK ↔ Backend Developer pending

Object-Oriented Programming ↔ Backend Developer pending

Functional Programming ↔ Backend Developer pending

Reactive Programming ↔ Backend Developer pending

Version Control ↔ Backend Developer pending

R&R fragment (sim 0.00) ↔ Backend Developer pending

Status: completed Created: 2026-05-27T16:54:01.232954Z Updated: 2026-05-27T16:55:02.385629Z API 3 duration: 4639 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

domain · Software Engineering CASE DOMAIN

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

Domain=Software Engineering; The JD describes mission-critical software development, object-oriented design, lifecycle participation, live support, and AWS SDK usage, which best match a backend/software engineering role.

Matched skills

object-oriented analysis and designdesign patternsversion control branching strategiesobject oriented /functional /reactiveAWS SDK

Matched dimensions

High-Performance Software DevelopmentLow-Latency SystemsSoftware Development LifecycleCode Quality and TestabilityApplication Support and MaintenanceStakeholder Communication

Matched KRAs

Develop state-of-the-art high performance and low latency software applicationsContribute in all the phases of the software development lifecycleCraft a well-designed, testable, efficient codePerform object-oriented analysis and design using common design patternsManage and provide live support to the developed applications

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

New skills

Skill↔dim saved

Role↔dim saved

Skipped

Job description

About Aakash BYJU'S Technology Innovation Lab


Are you passionate about transforming the field of education as we know it?


The way education is imparted has been disrupted massively due to forces such as Ed-tech digital revolution, the advancement in artificial intelligence technology and the pandemic. Given the rapid pace of transformation, the vision of the Technology Innovation Lab at Aakash BYJUs is to make the education of the future a reality. The Technology Innovation Lab aims to leverage state-of-the-art technologies to develop industry-defining bleeding-edge solutions for a student-first world-class hybrid learning experience. This involves -


• Reimagining and conceptualizing how education will be imparted in the future in the omni-channel and immersive learning environment
• Building data platforms such as Power BI dashboards to facilitate students, parents, teachers and the business
• Creating applications to support the futuristic tech-enabled smart classrooms
• Conceptualizing and developing mobile and web applications for seamless customer experience
• Developing Internet of Things (IoT) driven integrations into applications to build futuristic learning experience
• Leveraging Artificial Intelligence (AI) and Machine Learning (ML) to identity interventions to boost student performance


If this excites you, we might have the perfect opportunity for you in the world’s most valued Ed-tech company!


About Aakash BYJU'S - AESL


Aakash BYJU’S - India’s trusted name in test preparation, offers the best of classroom and online learning experience, thereby giving students an extra edge. We help to prepare students for medical and engineering entrance exams such as National Eligibility Cum Entrance Test (NEET), Joint Entrance Examination (JEE - Main & Advanced), and school/ board examinations including scholarship exams such as NTSE, KVPY, and Olympiads.


Aakash Advantage


• 33 years of providing comprehensive and result-oriented test preparation
• 275+ centers across India to help you prepare in your city
• 3000+ expert faculty to teach, mentor and guide you
• 85000+ Rankers in NEET & JEE


BYJU’S Edge


• World’s largest education technology company with over 10 crore students
• Conceptual clarity through high quality videos
• Cutting-edge technology to help you practice and prepare better
• Putting students first and continuously striving to meet their needs is core to Aakash BYJU’S. We are on a mission to build an omni-channel learning offering that will catapult the test-prep experience to the next level and help build India’s largest education company.


Purpose of the Role
 
Develop software solutions that enable the students, parents and teachers to have superior learning and teaching experiences, both inside and outside the classroom.


Key Responsibilities
 
• Develop state-of-the-art high performance and low latency software applications for mission critical systems
• Contribute in all the phases of the software development lifecycle
• Craft a well-designed, testable, efficient code
• Perform object-oriented analysis and design using common design patterns.
• Effectively and seamlessly manage communication with all stakeholders.
• Manage and provide live support to the developed applications


Experience 


• 4+ years of hands-on experience in designing and developing applications using Java EE, Spring, Spring MVC, Spring Boot Frameworks
• Experience with test-driven development
• Experience with relational databases (MySQL, Oracle, Postgres) or NoSQL Databases (Cassandra, MongoDB, Couch DB) .
• Agile programming (Sprint, Scrum) experience


Skills


• Understands version control branching strategies
• Understands different major language paradigms (object oriented /functional /reactive)
• Understanding and some experience in programming with AWS SDK


What We Offer


As a technology professional in Aakash BYJU’s Technology Innovation Lab we offer you an opportunity to -


• Become a pioneer of the education of the future by reimagining and building innovative solutions for the Ed-tech industry leading hybrid learning experience
• Be a force of technological disruption as a part of a passionate and high growth team on an exciting endeavor to transform the education industry
• Innovate and challenge the status quo with the backing of BYJUs, the largest Ed-tech company in the world
• Belong to an upbeat, flexible and relaxed work culture with a specific focus on collaboration
• Craft an excellent career at Aakash BYJUs through a broad realm of career tracks and opportunities
• Excel in your chosen stream and become a renowned technologist in the Ed-tech industry with heavy investment from the business into your learning, exposure and growth
• Have a highly competitive compensation and benefits package

Skills from this JD

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

AWS SDK 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: Cloud Platforms
Sub-category: general
Skill nature: TOOL
Volatility: MEDIUM
Typical lifespan: MULTI_YEAR
Version strategy: UNVERSIONED

Object-Oriented Programming 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: Concepts
Sub-category: general
Skill nature: CONCEPT
Volatility: STABLE
Typical lifespan: EVERGREEN
Version strategy: UNVERSIONED

Functional Programming 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: Concepts
Sub-category: general
Skill nature: CONCEPT
Volatility: STABLE
Typical lifespan: EVERGREEN
Version strategy: UNVERSIONED

Reactive Programming 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: Concepts
Sub-category: general
Skill nature: CONCEPT
Volatility: MEDIUM
Typical lifespan: MULTI_YEAR
Version strategy: UNVERSIONED

Design Patterns Secondary Library skill API 3: existing canonical (in_db) Existing skill (matched library)

Canonical: design patterns id=1654 · design-patterns

Aliases — catalog

design patterns (CANONICAL)

Context tags (catalog)

Adapter Builder Command Composite Decorator Dependency Injection Facade Factory MVC Observer Prototype SOLID Singleton Strategy Visitor

Stored enrichment (catalog DB)

Category: Concept
Sub-category: Software Design Patterns
Confidence: 0.94
Version strategy: NOT_APPLICABLE

Maturity reasoning: Design patterns are a standard interview/JD topic across backend and frontend roles; job postings commonly mention them alongside OOP and system design, and they remain core in books, courses, and code reviews.

Skill profile (library / DB)

Skill nature: CONCEPT
Volatility: STABLE
Typical lifespan: EVERGREEN
Category id: 2
Sub-category id: 1247
Extractable: True
Also category: False

Dimensions (API 2 worklist)

React Frontend Development Catalog dimension db id 96

Library dimension (catalog)

API 3 link attempts (this skill)

Dimension	Skill↔dim	Role↔dim	Outcome
React Frontend Development d_init_01	✓	—	Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)

Version Control 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: Practices
Sub-category: general
Skill nature: PRACTICE
Volatility: STABLE
Typical lifespan: EVERGREEN
Version strategy: UNVERSIONED

All API 3 persistence rows

Same grid as the skill-extractor “Persistence items” table: one row per (skill × dimension) work item.

Skill	Tag	Dimension	Skill↔dim	Role↔dim	Outcome	Notes
Design Patterns	in_db	React Frontend Development d_init_01	✓	—	Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)

Library artifacts (this run)

Kind	Detail	DB id
canonical_skill_proposed	AWS SDK \| type=Cloud Platforms subtype=general nature=TOOL lifespan=MULTI_YEAR
canonical_skill_proposed	Object-Oriented Programming \| type=Concepts subtype=general nature=CONCEPT lifespan=EVERGREEN
canonical_skill_proposed	Functional Programming \| type=Concepts subtype=general nature=CONCEPT lifespan=EVERGREEN
canonical_skill_proposed	Reactive Programming \| type=Concepts subtype=general nature=CONCEPT lifespan=MULTI_YEAR
canonical_skill_proposed	Version Control \| type=Practices subtype=general nature=PRACTICE lifespan=EVERGREEN

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

RoleSoftware Developer

CompanyAakash BYJU'S

Experience4+ years of hands-on experience

DomainEducation

JD type pass

Show raw JSON

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API 1 — extract-from-jd click to toggle

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    "kra_match_roles": [
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    "queued": false,
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      {
        "is_primary": false,
        "queue_id": 22559,
        "role_display_name": "Backend Developer",
        "role_slug": "backend-engineer",
        "skill_name": "Version Control",
        "status": "pending"
      }
    ],
    "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": 2624,
      "existing_alias_text": "design patterns",
      "input_term": "Design Patterns",
      "matched_canonical": {
        "category_id": 2,
        "display_name": "design patterns",
        "id": 1654,
        "is_also_category": false,
        "is_extractable": true,
        "skill_nature": "CONCEPT",
        "slug": "design-patterns",
        "sub_category_id": 1247,
        "typical_lifespan": "EVERGREEN",
        "volatility": "STABLE"
      },
      "matched_via": "alias"
    }
  ],
  "candidate_roles": [],
  "chosen_role": {
    "display_name": "Backend Developer",
    "id": 1,
    "rationale": "Domain=Software Engineering; The JD describes mission-critical software development, object-oriented design, lifecycle participation, live support, and AWS SDK usage, which best match a backend/software engineering role.",
    "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": [
    {
      "dimension": {
        "difficulty_hint": "well_known",
        "display_name": "React Frontend Development",
        "id": 96,
        "rationale": "Building interactive web user interfaces with React.js, including component composition, state management, hooks, and rendering patterns. React.js belongs here because it is a core library for client-side UI development in modern web applications.",
        "slug": "d_init_01",
        "source": "db"
      },
      "input_skill": "Design Patterns",
      "llm_role": null,
      "roles_from_db": []
    }
  ],
  "input_final_skills": [
    "AWS SDK",
    "Object-Oriented Programming",
    "Functional Programming",
    "Reactive Programming",
    "Design Patterns",
    "Version Control"
  ],
  "input_llm_skills": [
    "AWS SDK",
    "Object-Oriented Programming",
    "Functional Programming",
    "Reactive Programming",
    "Design Patterns",
    "Version Control"
  ],
  "new_aliases_persisted": 0,
  "run_id": "ba8d7506-465a-4829-b4e5-def44834f3d2",
  "skills_detail": [
    {
      "aliases_in_db": [],
      "canonical": null,
      "dimensions": [],
      "input_skill": "AWS SDK",
      "matched_via": null,
      "new_alias_persisted": false,
      "new_alias_text": null,
      "new_skill_meta": {
        "derived": {
          "category": "Cloud Platforms",
          "skill_nature": "TOOL",
          "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": "aws-sdk",
        "split_log": [],
        "typed": null,
        "warnings": []
      },
      "source_tag": "llm",
      "was_in_llm_skills": true
    },
    {
      "aliases_in_db": [],
      "canonical": null,
      "dimensions": [],
      "input_skill": "Object-Oriented Programming",
      "matched_via": null,
      "new_alias_persisted": false,
      "new_alias_text": null,
      "new_skill_meta": {
        "derived": {
          "category": "Concepts",
          "skill_nature": "CONCEPT",
          "sub_category": "general",
          "typical_lifespan": "EVERGREEN",
          "version_strategy": "UNVERSIONED",
          "volatility": "STABLE"
        },
        "enrichment": null,
        "keep_log": [],
        "locked_dimensions": [],
        "merge_log": [],
        "placed": null,
        "relationships": null,
        "skill_id": "object-oriented-programming",
        "split_log": [],
        "typed": null,
        "warnings": []
      },
      "source_tag": "llm",
      "was_in_llm_skills": true
    },
    {
      "aliases_in_db": [],
      "canonical": null,
      "dimensions": [],
      "input_skill": "Functional Programming",
      "matched_via": null,
      "new_alias_persisted": false,
      "new_alias_text": null,
      "new_skill_meta": {
        "derived": {
          "category": "Concepts",
          "skill_nature": "CONCEPT",
          "sub_category": "general",
          "typical_lifespan": "EVERGREEN",
          "version_strategy": "UNVERSIONED",
          "volatility": "STABLE"
        },
        "enrichment": null,
        "keep_log": [],
        "locked_dimensions": [],
        "merge_log": [],
        "placed": null,
        "relationships": null,
        "skill_id": "functional-programming",
        "split_log": [],
        "typed": null,
        "warnings": []
      },
      "source_tag": "llm",
      "was_in_llm_skills": true
    },
    {
      "aliases_in_db": [],
      "canonical": null,
      "dimensions": [],
      "input_skill": "Reactive Programming",
      "matched_via": null,
      "new_alias_persisted": false,
      "new_alias_text": null,
      "new_skill_meta": {
        "derived": {
          "category": "Concepts",
          "skill_nature": "CONCEPT",
          "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": "reactive-programming",
        "split_log": [],
        "typed": null,
        "warnings": []
      },
      "source_tag": "llm",
      "was_in_llm_skills": true
    },
    {
      "aliases_in_db": [
        {
          "alias_text": "design patterns",
          "alias_type": "CANONICAL",
          "id": 2624,
          "is_primary": false,
          "match_strategy": "CASE_INSENSITIVE"
        }
      ],
      "canonical": {
        "category_id": 2,
        "display_name": "design patterns",
        "id": 1654,
        "is_also_category": false,
        "is_extractable": true,
        "skill_nature": "CONCEPT",
        "slug": "design-patterns",
        "sub_category_id": 1247,
        "typical_lifespan": "EVERGREEN",
        "volatility": "STABLE"
      },
      "dimensions": [
        {
          "dimension": {
            "difficulty_hint": "well_known",
            "display_name": "React Frontend Development",
            "id": 96,
            "rationale": "Building interactive web user interfaces with React.js, including component composition, state management, hooks, and rendering patterns. React.js belongs here because it is a core library for client-side UI development in modern web applications.",
            "slug": "d_init_01",
            "source": "db"
          },
          "input_skill": "Design Patterns",
          "llm_role": null,
          "roles_from_db": []
        }
      ],
      "input_skill": "Design Patterns",
      "matched_via": "alias",
      "new_alias_persisted": false,
      "new_alias_text": null,
      "new_skill_meta": null,
      "source_tag": "db",
      "was_in_llm_skills": true
    },
    {
      "aliases_in_db": [],
      "canonical": null,
      "dimensions": [],
      "input_skill": "Version Control",
      "matched_via": null,
      "new_alias_persisted": false,
      "new_alias_text": null,
      "new_skill_meta": {
        "derived": {
          "category": "Practices",
          "skill_nature": "PRACTICE",
          "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": "version-control",
        "split_log": [],
        "typed": null,
        "warnings": []
      },
      "source_tag": "llm",
      "was_in_llm_skills": true
    }
  ],
  "unmatched_skills": [
    "AWS SDK",
    "Object-Oriented Programming",
    "Functional Programming",
    "Reactive Programming",
    "Version Control"
  ]
}

API 3 — final-role-output

{
  "chosen_role": {
    "display_name": "Backend Developer",
    "id": 1,
    "rationale": "Domain=Software Engineering; The JD describes mission-critical software development, object-oriented design, lifecycle participation, live support, and AWS SDK usage, which best match a backend/software engineering role.",
    "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": "AWS SDK",
      "tag": "new"
    },
    {
      "skill": "Object-Oriented Programming",
      "tag": "new"
    },
    {
      "skill": "Functional Programming",
      "tag": "new"
    },
    {
      "skill": "Reactive Programming",
      "tag": "new"
    },
    {
      "skill": "Design Patterns",
      "tag": "in_db"
    },
    {
      "skill": "Version Control",
      "tag": "new"
    }
  ],
  "llm_cost_api1_usd": null,
  "llm_cost_api2_usd": null,
  "llm_cost_api3_usd": null,
  "llm_cost_total_usd": null,
  "persistence": {
    "items": [
      {
        "chosen_role_id": 1,
        "dimension": {
          "difficulty_hint": "well_known",
          "display_name": "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"
        },
        "dimension_id": 96,
        "input_skill": "Design Patterns",
        "llm_role": null,
        "matched_chosen_role": false,
        "outcome_line": "Existing dimension (library) \u00b7 Role\u2194dimension skipped (dimension not under chosen role)",
        "role_dimension_saved": false,
        "roles_from_db": [],
        "skill_dimension_saved": true,
        "skill_id": 1654,
        "skill_tag": "in_db",
        "skipped_reason": null
      }
    ],
    "new_skills_created": 0,
    "role_dimension_saved": 0,
    "skill_dimension_saved": 0,
    "skipped": 0
  },
  "planner_output": null,
  "run_id": "ba8d7506-465a-4829-b4e5-def44834f3d2"
}