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Pipeline run

410ef6fb-a72c-4665-90c9-08fad678facb

Pipeline LLM cost (USD)
API 1: $0.0118 API 2: $0.0005 API 3: $0.0000 Total: $0.0123

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
Modify and refactor complex Rust codebases, adding memory-safe features and fixing ownership/concurrency bugs. Build and run unit, integration, property-based tests, then profile/benchmark and manage cargo-based dev setups to keep behavior and performance intact.
"Refactor existing Rust code while maintaining functionality and performance."
Tech stack maturity
Modern Cloud Native cache hit
The combination of Rust with strong testing practices like integration and property-based testing aligns with a modern, cloud-ready backend engineering profile rather than legacy or bleeding-edge AI-centric tooling.
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
Evidence — skills matched in JD (20)
Rust grep ripgrep cargo cargo test unit testing integration testing property-based testing asynchronous programming multi-threading proptest quickcheck Tokio Actix Rocket Serde Rayon cargo bench open-source development doc-tests
Skill cluster (2 dimension groups, role-scoped)
Testing and Quality Assurance
integration testing property-based testing
Cross-cutting / unaligned
Rust grep ripgrep cargo cargo test unit testing asynchronous programming multi-threading proptest quickcheck Tokio Actix Rocket Serde Rayon cargo bench open-source development doc-tests
Show KRA description ↓
• Navigate and modify complex Rust codebases using CLI tools like grep and ripgrep. • Implement new features with a focus on memory safety, ownership rules, and type correctness. • Write and execute tests using cargo test, including property-based testing (proptest or quickcheck). • Refactor existing Rust code while maintaining functionality and performance. • Debug and fix memory safety, ownership, and concurrency-related issues. • Set up and manage Rust development environments using cargo, including handling dependencies and feature flags. • Ensure best practices in Rust development, including proper error handling, concurrency safety, and efficient memory usage. • Strong experience with Rust programming language concepts, including ownership, borrowing, and lifetimes. • Familiarity with Rust frameworks like Tokio, Actix, Rocket and libraries such as Serde and Rayon. • Experience with Rust’s testing ecosystem, including unit, integration, and property-based testing. • Knowledge of multi-threading and asynchronous programming in Rust. • Ability to work with complex architectural patterns and refactor code without introducing regressions. • Strong debugging skills, including fixing memory and concurrency issues. • Experience with performance profiling and benchmarking in Rust (cargo bench). • 4+ years of work experience • Experience contributing to open-source Rust projects. • Familiarity with writing Rust documentation and designing APIs with doc-tests.

Signals

Skill scala-backend-developer
0.20
Alias backend-engineer
1.00
KRA dotnet-backend-developer
0.54

Post-classification

Centroidupdated · n=851
Alias collision log
New-role queue
New skills captured16
New KRA capturedyes

Captured for admin review

grep primary Backend Developer pending
ripgrep primary Backend Developer pending
cargo primary Backend Developer pending
cargo test primary Backend Developer pending
proptest Backend Developer pending
quickcheck Backend Developer pending
Tokio Backend Developer pending
Actix Backend Developer pending
Rocket Backend Developer pending
Serde Backend Developer pending
Rayon Backend Developer pending
asynchronous programming primary Backend Developer pending
multi-threading primary Backend Developer pending
cargo bench Backend Developer pending
open-source development Backend Developer pending
doc-tests Backend Developer pending
R&R fragment (sim 0.00) Backend Developer pending

• Navigate and modify complex Rust codebases using CLI tools like grep and ripgrep. • Implement new features with a focus on memory safety, ownership rules, and type correctness. • Write and execute t…

Status: completed Created: 2026-05-27T15:13:07.836098Z Updated: 2026-06-12T16:43:53.793924Z API 3 duration: 19719 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 is centered on Rust software development, debugging, testing, concurrency, and API/framework work, which best matches a backend/software engineering role rather than a specialized frontend, mobile, or systems niche.

Matched skills

Rustgrepripgrepcargocargo testproptestquickcheckTokioActixRocketSerdeRayoncargo benchdoc-tests

Matched dimensions

Rust Backend Software DevelopmentMemory Safety and Ownership CorrectnessTesting and Quality EngineeringConcurrency and Asynchronous ProgrammingPerformance Profiling and BenchmarkingAPI and Documentation DesignDebugging and Refactoring

Matched KRAs

Navigate and modify complex Rust codebasesImplement new features with a focus on memory safetyWrite and execute tests using cargo testRefactor existing Rust code while maintaining functionalityDebug and fix memory safety, ownership, and concurrency-related issuesSet up and manage Rust development environmentsEnsure best practices in Rust developmentExperience with performance profiling and benchmarking in Rust

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
2
Skipped

Job description

Experience: 4.00 + years

Salary: Confidential (based on experience)

Expected Notice Period: 15 Days

Shift: (GMT+05:30) Asia/Kolkata (IST)

Opportunity Type: Remote

Placement Type: Full Time Contract for 3 Months(40 hrs a week/160 hrs a month)

(*Note: This is a requirement for one of Uplers' client - A world Renowned tech talent company from USA)

What do you need for this opportunity?

Must have skills required:

NA, Actix, Cargo, rayon, Rocket, Rust, serde, Tokio

A world Renowned tech talent company from USA is Looking for:

About The Company

Headquartered in Palo Alto, California, the company is the world's first AI-powered tech services organization. It has revolutionized the tech services industry by integrating AI into every aspect of its operations—offering AI-vetted and matched talent, AI-driven development acceleration, and access to AI transformation experts who have played pivotal roles in building some of Silicon Valley's most iconic companies.

Since its founding in 2018, the company has achieved remarkable growth, boasting a Talent Cloud of over three million developers worldwide and serving 900+ clients. Its innovative approach and impactful contributions have earned it numerous accolades, including being named one of "America's Best Startup Employers" by Forbes in 2022, securing the top spot in The Information's 2021 Annual List of most promising B2B companies, and being featured in Fast Company's "World's Most Innovative Companies" list.

The company’s leadership team is a blend of top-tier AI technologists from organizations like Meta, Google, Microsoft, Apple, Amazon, and Twitter, alongside seasoned consultants from prestigious firms such as Accenture, Cognizant, Capgemini, McKinsey, and Bain, as well as alumni from renowned institutions like Stanford, Caltech, and MIT.

About The Role

We are looking for an experienced Rust Developer to contribute to a cutting-edge project focused on evaluating AI-assisted Rust development. This role involves working on real-world Rust codebases, implementing features, debugging, refactoring, and writing comprehensive tests to ensure memory safety and correctness.

Responsibilities:

• Navigate and modify complex Rust codebases using CLI tools like grep and ripgrep.
• Implement new features with a focus on memory safety, ownership rules, and type correctness.
• Write and execute tests using cargo test, including property-based testing (proptest or quickcheck).
• Refactor existing Rust code while maintaining functionality and performance.
• Debug and fix memory safety, ownership, and concurrency-related issues.
• Set up and manage Rust development environments using cargo, including handling dependencies and feature flags.
• Ensure best practices in Rust development, including proper error handling, concurrency safety, and efficient memory usage.



Requirements:

• Strong experience with Rust programming language concepts, including ownership, borrowing, and lifetimes.
• Familiarity with Rust frameworks like Tokio, Actix, Rocket and libraries such as Serde and Rayon.
• Experience with Rust’s testing ecosystem, including unit, integration, and property-based testing.
• Knowledge of multi-threading and asynchronous programming in Rust.
• Ability to work with complex architectural patterns and refactor code without introducing regressions.
• Strong debugging skills, including fixing memory and concurrency issues.
• Experience with performance profiling and benchmarking in Rust (cargo bench).
• 4+ years of work experience





This role provides an opportunity to work on challenging Rust engineering problems while improving AI-assisted programming workflows. If you’re passionate about Rust and eager to push the boundaries of AI-driven software development, we’d love to hear from you!

Nice to Have:

• Experience contributing to open-source Rust projects.
• Familiarity with writing Rust documentation and designing APIs with doc-tests.



How to apply for this opportunity?

• Step 1: Click On Apply! And Register or Login on our portal.
• Step 2: Complete the Screening Form & Upload updated Resume
• Step 3: Increase your chances to get shortlisted & meet the client for the Interview!



About Uplers:

Our goal is to make hiring reliable, simple, and fast. Our role will be to help all our talents find and apply for relevant contractual onsite opportunities and progress in their career. We will support any grievances or challenges you may face during the engagement.

(Note: There are many more opportunities apart from this on the portal. Depending on the assessments you clear, you can apply for them as well).

So, if you are ready for a new challenge, a great work environment, and an opportunity to take your career to the next level, don't hesitate to apply today. We are waiting for you!

Skills from this JD

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

Rust Primary Library skill API 3: existing canonical (in_db) Existing skill (matched library)
Canonical: Rust id=999 · rust

Aliases — catalog

  • Rust (CANONICAL) primary

Context tags (catalog)

Actix Borrowing Cargo Clippy Concurrency Crates FFI Macros Ownership Pattern matching Rustacean Rustfmt Serde Tokio Traits WebAssembly async/await borrowing ownership pattern matching serde traits

Stored enrichment (catalog DB)

Category
Language
Sub-category
Programming Language
Vendor
Mozilla
License
apache_2
Year introduced
2010
Confidence
0.99
Version strategy
NOT_APPLICABLE

Maturity reasoning: Rust appears in many modern job postings for systems, infra, and security roles, and its GitHub ecosystem continues to grow; it’s now a common hiring-pipeline skill rather than a niche language.

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)

  • React Frontend Development Catalog dimension db id 96

    Library dimension (catalog)

  • Systems Programming Catalog dimension db id 166

    Library dimension (catalog)

  • Video Codec Languages and DSLs Catalog dimension db id 225

    Library dimension (catalog)

    Roles linked in library: Video Codec Engineer

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)
Systems Programming
d_init_02
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
Video Codec Languages and DSLs
video-codec-languages-and-dsls
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
grep 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
Command Line Tools
Sub-category
general
Skill nature
TOOL
Volatility
MEDIUM
Typical lifespan
MULTI_YEAR
Version strategy
UNVERSIONED
ripgrep 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
Command Line Tools
Sub-category
general
Skill nature
TOOL
Volatility
MEDIUM
Typical lifespan
MULTI_YEAR
Version strategy
UNVERSIONED
cargo 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
Package Managers
Sub-category
general
Skill nature
TOOL
Volatility
MEDIUM
Typical lifespan
MULTI_YEAR
Version strategy
UNVERSIONED
cargo test 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
Testing Tools
Sub-category
general
Skill nature
TOOL
Volatility
MEDIUM
Typical lifespan
MULTI_YEAR
Version strategy
UNVERSIONED
proptest 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
Testing Frameworks
Sub-category
general
Skill nature
TOOL
Volatility
MEDIUM
Typical lifespan
MULTI_YEAR
Version strategy
UNVERSIONED
quickcheck 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
Testing Frameworks
Sub-category
general
Skill nature
TOOL
Volatility
MEDIUM
Typical lifespan
MULTI_YEAR
Version strategy
UNVERSIONED
Tokio 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
Asynchronous Programming Frameworks
Sub-category
general
Skill nature
TOOL
Volatility
MEDIUM
Typical lifespan
MULTI_YEAR
Version strategy
UNVERSIONED
Actix 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
TOOL
Volatility
MEDIUM
Typical lifespan
MULTI_YEAR
Version strategy
UNVERSIONED
Rocket 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
TOOL
Volatility
MEDIUM
Typical lifespan
MULTI_YEAR
Version strategy
UNVERSIONED
Serde 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
Serialization Libraries
Sub-category
general
Skill nature
TOOL
Volatility
MEDIUM
Typical lifespan
MULTI_YEAR
Version strategy
UNVERSIONED
Rayon 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
Data Parallelism Libraries
Sub-category
general
Skill nature
TOOL
Volatility
MEDIUM
Typical lifespan
MULTI_YEAR
Version strategy
UNVERSIONED
unit testing Primary Library skill API 3: existing canonical (in_db) Existing skill (matched library)
Canonical: Unit Testing id=517 · unit-testing

Aliases — catalog

  • Unit Testing (CANONICAL)

Context tags (catalog)

JUnit NUnit TDD arrange-act-assert assertions code coverage fixtures mocking pytest regression stubs test cases test doubles test runner xUnit

Stored enrichment (catalog DB)

Category
Methodology
Sub-category
Testing Methodology
Confidence
0.98
Version strategy
NOT_APPLICABLE

Maturity reasoning: Unit testing is a standard hiring requirement across software JDs and appears in mainstream frameworks/docs; GitHub and Stack Overflow usage remain consistently high, with no successor replacing it.

Skill profile (library / DB)

Skill nature
METHODOLOGY
Volatility
STABLE
Typical lifespan
EVERGREEN
Category id
8
Sub-category id
44
Extractable
True
Also category
False

Dimensions (API 2 worklist)

  • React Frontend Development Catalog dimension db id 96

    Library dimension (catalog)

API 3 link attempts (this skill)

Dimension Skill↔dim Role↔dim Outcome
React Frontend Development
d_init_01
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
integration testing Primary Library skill API 3: existing canonical (in_db) Existing skill (matched library)
Canonical: Integration testing id=56 · integration-testing

Aliases — catalog

  • Integration testing (CANONICAL) primary
  • integration testing (CANONICAL)

Context tags (catalog)

API testing CI/CD Cucumber JUnit Selenium behavior-driven development continuous integration contract testing end-to-end end-to-end testing fixtures mocking pytest quality assurance regression testing smoke testing stubs system testing test automation test cases test coverage test data test frameworks test harness test strategy test suite test-driven development

Stored enrichment (catalog DB)

Category
Methodology
Sub-category
Testing Methodology
Confidence
0.97
Version strategy
NOT_APPLICABLE

Maturity reasoning: Integration testing is a standard QA skill in job descriptions across backend, frontend, and DevOps roles; it’s commonly paired with CI/CD and tools like Jest, Cypress, and Testcontainers.

Skill profile (library / DB)

Skill nature
METHODOLOGY
Volatility
STABLE
Typical lifespan
EVERGREEN
Category id
8
Sub-category id
44
Extractable
True
Also category
False

Dimensions (API 2 worklist)

  • Testing and Defect Resolution Catalog dimension db id 262

    Library dimension (catalog)

    Roles linked in library: Pega Developer

  • Testing and Quality Assurance Catalog dimension db id 12

    Library dimension (catalog)

    Roles linked in library: .NET Backend Developer, Backend Developer, Node.js Backend Developer, PHP Backend Developer, Python Backend Developer, Scala Backend Developer

API 3 link attempts (this skill)

Dimension Skill↔dim Role↔dim Outcome
Testing and Defect Resolution
testing-and-defect-resolution
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
Testing and Quality Assurance
testing-and-quality-assurance
Existing dimension (library) · Role↔dimension saved
property-based testing Primary Library skill API 3: existing canonical (in_db) Existing skill (matched library)
Canonical: property-based testing id=60 · property-based-testing

Aliases — catalog

  • property-based testing (CANONICAL) primary

Context tags (catalog)

FsCheck Hypothesis QuickCheck ScalaCheck arbitrary data automated testing data generators edge cases fuzz testing fuzzing generators input domains invariants jqwik metamorphic testing property assertions property definitions random testing randomized testing shrinking specification statistical testing test case generation test coverage test invariants test oracle

Stored enrichment (catalog DB)

Category
Methodology
Sub-category
Property Based Testing
Confidence
0.96
Version strategy
NOT_APPLICABLE

Maturity reasoning: Appears increasingly in JDs for QA/backend roles and is supported by growing adoption of tools like Hypothesis, fast-check, and ScalaCheck, but it is still far from a universal hiring-pipeline staple.

Skill profile (library / DB)

Skill nature
METHODOLOGY
Volatility
EMERGING
Typical lifespan
EVERGREEN
Category id
8
Sub-category id
3554
Extractable
True
Also category
False

Dimensions (API 2 worklist)

  • Testing and Quality Assurance Catalog dimension db id 12

    Library dimension (catalog)

    Roles linked in library: .NET Backend Developer, Backend Developer, Node.js Backend Developer, PHP Backend Developer, Python Backend Developer, Scala Backend Developer

API 3 link attempts (this skill)

Dimension Skill↔dim Role↔dim Outcome
Testing and Quality Assurance
testing-and-quality-assurance
Existing dimension (library) · Role↔dimension saved
asynchronous 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 Concepts
Sub-category
general
Skill nature
CONCEPT
Volatility
STABLE
Typical lifespan
EVERGREEN
Version strategy
UNVERSIONED
multi-threading Primary Library skill API 3: existing canonical (in_db) Existing skill (matched library)
Canonical: multithreading id=82 · multithreading

Aliases — catalog

  • multithreading (CANONICAL) primary

Context tags (catalog)

atomic operations concurrent execution condition variable deadlock lock contention mutex non-blocking parallelism producer-consumer race condition semaphore synchronization thread pool thread-safe work stealing

Stored enrichment (catalog DB)

Category
Concept
Sub-category
Concurrency Concept
Confidence
0.94
Version strategy
NOT_APPLICABLE

Maturity reasoning: Common requirement in JDs for backend, systems, and mobile roles; widely taught and used across Java, C++, Go, and Python concurrency stacks.

Skill profile (library / DB)

Skill nature
CONCEPT
Volatility
STABLE
Typical lifespan
EVERGREEN
Category id
2
Sub-category id
7
Extractable
True
Also category
False

Dimensions (API 2 worklist)

  • Concurrency and Parallel Processing Catalog dimension db id 17

    Library dimension (catalog)

    Roles linked in library: Backend Developer, Java Backend Developer, Node.js Backend Developer, Ruby Backend Developer, Scala Backend Developer

API 3 link attempts (this skill)

Dimension Skill↔dim Role↔dim Outcome
Concurrency and Parallel Processing
concurrency-and-parallel-processing
Skipped — no persistable v3 meta for new skill
skill_not_in_db_v3_proposed
cargo bench 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
Benchmarking Tools
Sub-category
general
Skill nature
TOOL
Volatility
MEDIUM
Typical lifespan
MULTI_YEAR
Version strategy
UNVERSIONED
open-source development Secondary Library skill API 3: existing canonical (in_db) Existing skill (matched library)
Canonical: open-source id=1472 · open-source

Aliases — catalog

  • open-source (CANONICAL)

Context tags (catalog)

Apache License GitHub MIT License collaboration community-driven contribution documentation fork issue tracking licensing maintainers pull request repository transparency version control

Stored enrichment (catalog DB)

Category
Concept
Sub-category
Open Source Software Model
Confidence
0.91
Version strategy
NOT_APPLICABLE

Maturity reasoning: Open-source is a standard hiring-pipeline term across software JDs and vendor ecosystems; major cloud, database, and devtool roles routinely require OSS contribution or usage experience.

Skill profile (library / DB)

Skill nature
CONCEPT
Volatility
STABLE
Typical lifespan
EVERGREEN
Category id
2
Sub-category id
1111
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
Skipped — no persistable v3 meta for new skill
skill_not_in_db_v3_proposed
doc-tests 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
Documentation Tools
Sub-category
general
Skill nature
TOOL
Volatility
MEDIUM
Typical lifespan
MULTI_YEAR
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
Rust in_db
React Frontend Development
d_init_01
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
Rust in_db
Systems Programming
d_init_02
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
Rust in_db
Video Codec Languages and DSLs
video-codec-languages-and-dsls
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
unit testing in_db
React Frontend Development
d_init_01
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
integration testing in_db
Testing and Defect Resolution
testing-and-defect-resolution
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
integration testing in_db
Testing and Quality Assurance
testing-and-quality-assurance
Existing dimension (library) · Role↔dimension saved
property-based testing in_db
Testing and Quality Assurance
testing-and-quality-assurance
Existing dimension (library) · Role↔dimension saved
multi-threading new
Concurrency and Parallel Processing
concurrency-and-parallel-processing
Skipped — no persistable v3 meta for new skill skill_not_in_db_v3_proposed
open-source development new
React Frontend Development
d_init_01
Skipped — no persistable v3 meta for new skill skill_not_in_db_v3_proposed

Library artifacts (this run)

Kind Detail DB id
canonical_skill_proposed grep | type=Command Line Tools subtype=general nature=TOOL lifespan=MULTI_YEAR
canonical_skill_proposed ripgrep | type=Command Line Tools subtype=general nature=TOOL lifespan=MULTI_YEAR
canonical_skill_proposed cargo | type=Package Managers subtype=general nature=TOOL lifespan=MULTI_YEAR
canonical_skill_proposed cargo test | type=Testing Tools subtype=general nature=TOOL lifespan=MULTI_YEAR
canonical_skill_proposed proptest | type=Testing Frameworks subtype=general nature=TOOL lifespan=MULTI_YEAR
canonical_skill_proposed quickcheck | type=Testing Frameworks subtype=general nature=TOOL lifespan=MULTI_YEAR
canonical_skill_proposed Tokio | type=Asynchronous Programming Frameworks subtype=general nature=TOOL lifespan=MULTI_YEAR
canonical_skill_proposed Actix | type=Web Frameworks subtype=general nature=TOOL lifespan=MULTI_YEAR
canonical_skill_proposed Rocket | type=Web Frameworks subtype=general nature=TOOL lifespan=MULTI_YEAR
canonical_skill_proposed Serde | type=Serialization Libraries subtype=general nature=TOOL lifespan=MULTI_YEAR
canonical_skill_proposed Rayon | type=Data Parallelism Libraries subtype=general nature=TOOL lifespan=MULTI_YEAR
canonical_skill_proposed asynchronous programming | type=Programming Concepts subtype=general nature=CONCEPT lifespan=EVERGREEN
canonical_skill_proposed cargo bench | type=Benchmarking Tools subtype=general nature=TOOL lifespan=MULTI_YEAR
canonical_skill_proposed doc-tests | type=Documentation Tools subtype=general nature=TOOL lifespan=MULTI_YEAR
dimension_skill_link_proposed multi-threading ↔ Concurrency and Parallel Processing
role_dimension_link_proposed Backend Developer ↔ Concurrency and Parallel Processing
dimension_skill_link_proposed open-source development ↔ React Frontend Development
nano JD Parser — gpt-4.1-nano click to toggle
RoleRust Developer
CompanyA world Renowned tech talent company from USA
Experience4+ years of work experience
CTC{'max': None, 'min': None, 'raw': 'Confidential (based on experience)', 'period': None, 'currency': None}
DomainIT Services & Consulting
Location India (remote)
JD type pass
Show raw JSON
{
  "JD_type": "pass",
  "about_company": {
    "source_marker": {
      "first_5_words": "Headquartered in Palo Alto, California,",
      "last_5_words": "Stanford, Caltech, and MIT."
    },
    "text": "Headquartered in Palo Alto, California, the company is the world\u0027s first AI-powered tech services organization. It has revolutionized the tech services industry by integrating AI into every aspect of its operations\u2014offering AI-vetted and matched talent, AI-driven development acceleration, and access to AI transformation experts who have played pivotal roles in building some of Silicon Valley\u0027s most iconic companies.\n\nSince its founding in 2018, the company has achieved remarkable growth, boasting a Talent Cloud of over three million developers worldwide and serving 900+ clients. Its innovative approach and impactful contributions have earned it numerous accolades, including being named one of \"America\u0027s Best Startup Employers\" by Forbes in 2022, securing the top spot in The Information\u0027s 2021 Annual List of most promising B2B companies, and being featured in Fast Company\u0027s \"World\u0027s Most Innovative Companies\" list.\n\nThe company\u2019s leadership team is a blend of top-tier AI technologists from organizations like Meta, Google, Microsoft, Apple, Amazon, and Twitter, alongside seasoned consultants from prestigious firms such as Accenture, Cognizant, Capgemini, McKinsey, and Bain, as well as alumni from renowned institutions like Stanford, Caltech, and MIT.",
    "word_count": 236
  },
  "certifications": [],
  "company_name": "A world Renowned tech talent company from USA",
  "ctc": {
    "currency": null,
    "max": null,
    "min": null,
    "period": null,
    "raw": "Confidential (based on experience)"
  },
  "domain": {
    "primary": {
      "aliases": [
        "Tech Services",
        "Technology Consulting"
      ],
      "domain": "IT Services \u0026 Consulting"
    },
    "secondary": null
  },
  "education": [],
  "experience": {
    "max": null,
    "min": 4,
    "raw": "4+ years of work experience"
  },
  "job_locations": [
    {
      "aliases": [],
      "city": null,
      "country": "India",
      "state": null,
      "work_mode": "remote"
    }
  ],
  "role": "Rust Developer",
  "role_aliases": [
    "Rust Engineer",
    "Software Engineer",
    "Rust Programmer"
  ],
  "role_archetype": "Engineering",
  "roles_and_responsibilities": [
    {
      "bullet_count": 7,
      "heading": "Responsibilities",
      "heading_was_present": true,
      "source_marker": {
        "first_5_words": "\u2022 Navigate and modify complex",
        "last_5_words": "error handling, concurrency safety, and"
      },
      "text": "\u2022 Navigate and modify complex Rust codebases using CLI tools like grep and ripgrep.\n\u2022 Implement new features with a focus on memory safety, ownership rules, and type correctness.\n\u2022 Write and execute tests using cargo test, including property-based testing (proptest or quickcheck).\n\u2022 Refactor existing Rust code while maintaining functionality and performance.\n\u2022 Debug and fix memory safety, ownership, and concurrency-related issues.\n\u2022 Set up and manage Rust development environments using cargo, including handling dependencies and feature flags.\n\u2022 Ensure best practices in Rust development, including proper error handling, concurrency safety, and efficient memory usage.",
      "word_count": 83
    },
    {
      "bullet_count": 8,
      "heading": "Requirements",
      "heading_was_present": true,
      "source_marker": {
        "first_5_words": "\u2022 Strong experience with Rust",
        "last_5_words": "4+ years of work experience"
      },
      "text": "\u2022 Strong experience with Rust programming language concepts, including ownership, borrowing, and lifetimes.\n\u2022 Familiarity with Rust frameworks like Tokio, Actix, Rocket and libraries such as Serde and Rayon.\n\u2022 Experience with Rust\u2019s testing ecosystem, including unit, integration, and property-based testing.\n\u2022 Knowledge of multi-threading and asynchronous programming in Rust.\n\u2022 Ability to work with complex architectural patterns and refactor code without introducing regressions.\n\u2022 Strong debugging skills, including fixing memory and concurrency issues.\n\u2022 Experience with performance profiling and benchmarking in Rust (cargo bench).\n\u2022 4+ years of work experience",
      "word_count": 104
    },
    {
      "bullet_count": 2,
      "heading": "Nice to Have",
      "heading_was_present": true,
      "source_marker": {
        "first_5_words": "\u2022 Experience contributing to open-source",
        "last_5_words": "designing APIs with doc-tests."
      },
      "text": "\u2022 Experience contributing to open-source Rust projects.\n\u2022 Familiarity with writing Rust documentation and designing APIs with doc-tests.",
      "word_count": 24
    }
  ],
  "urls": []
}
API 1 — extract-from-jd click to toggle
{
  "final_skills": [
    {
      "is_primary": true,
      "skill_name": "Rust"
    },
    {
      "is_primary": true,
      "skill_name": "grep"
    },
    {
      "is_primary": true,
      "skill_name": "ripgrep"
    },
    {
      "is_primary": true,
      "skill_name": "cargo"
    },
    {
      "is_primary": true,
      "skill_name": "cargo test"
    },
    {
      "is_primary": false,
      "skill_name": "proptest"
    },
    {
      "is_primary": false,
      "skill_name": "quickcheck"
    },
    {
      "is_primary": false,
      "skill_name": "Tokio"
    },
    {
      "is_primary": false,
      "skill_name": "Actix"
    },
    {
      "is_primary": false,
      "skill_name": "Rocket"
    },
    {
      "is_primary": false,
      "skill_name": "Serde"
    },
    {
      "is_primary": false,
      "skill_name": "Rayon"
    },
    {
      "is_primary": true,
      "skill_name": "unit testing"
    },
    {
      "is_primary": true,
      "skill_name": "integration testing"
    },
    {
      "is_primary": true,
      "skill_name": "property-based testing"
    },
    {
      "is_primary": true,
      "skill_name": "asynchronous programming"
    },
    {
      "is_primary": true,
      "skill_name": "multi-threading"
    },
    {
      "is_primary": false,
      "skill_name": "cargo bench"
    },
    {
      "is_primary": false,
      "skill_name": "open-source development"
    },
    {
      "is_primary": false,
      "skill_name": "doc-tests"
    }
  ],
  "jd_role": {
    "display_name": "Rust Developer",
    "rationale": null,
    "role_aliases": [
      "Rust Engineer",
      "Software Engineer",
      "Rust Programmer"
    ],
    "role_archetype": "Engineering",
    "slug": ""
  },
  "nano_parsed": {
    "JD_type": "pass",
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      "source_marker": {
        "first_5_words": "Headquartered in Palo Alto, California,",
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      },
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      "word_count": 236
    },
    "certifications": [],
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    "ctc": {
      "currency": null,
      "max": null,
      "min": null,
      "period": null,
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    },
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      },
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    },
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      "max": null,
      "min": 4,
      "raw": "4+ years of work experience"
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        "country": "India",
        "state": null,
        "work_mode": "remote"
      }
    ],
    "role": "Rust Developer",
    "role_aliases": [
      "Rust Engineer",
      "Software Engineer",
      "Rust Programmer"
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    "role_archetype": "Engineering",
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      },
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        "source_marker": {
          "first_5_words": "\u2022 Strong experience with Rust",
          "last_5_words": "4+ years of work experience"
        },
        "text": "\u2022 Strong experience with Rust programming language concepts, including ownership, borrowing, and lifetimes.\n\u2022 Familiarity with Rust frameworks like Tokio, Actix, Rocket and libraries such as Serde and Rayon.\n\u2022 Experience with Rust\u2019s testing ecosystem, including unit, integration, and property-based testing.\n\u2022 Knowledge of multi-threading and asynchronous programming in Rust.\n\u2022 Ability to work with complex architectural patterns and refactor code without introducing regressions.\n\u2022 Strong debugging skills, including fixing memory and concurrency issues.\n\u2022 Experience with performance profiling and benchmarking in Rust (cargo bench).\n\u2022 4+ years of work experience",
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      },
      {
        "bullet_count": 2,
        "heading": "Nice to Have",
        "heading_was_present": true,
        "source_marker": {
          "first_5_words": "\u2022 Experience contributing to open-source",
          "last_5_words": "designing APIs with doc-tests."
        },
        "text": "\u2022 Experience contributing to open-source Rust projects.\n\u2022 Familiarity with writing Rust documentation and designing APIs with doc-tests.",
        "word_count": 24
      }
    ],
    "urls": []
  },
  "rejected": false,
  "rejection_reason": null,
  "run_id": "410ef6fb-a72c-4665-90c9-08fad678facb",
  "stage3_signals": {
    "alias_found": true,
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      {
        "display_name": "Backend Developer",
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        "matched_count": null,
        "matched_skills": null,
        "role_id": 1,
        "score": 1.0,
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      }
    ],
    "kra_match_roles": [
      {
        "display_name": ".NET Backend Developer",
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          {
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        ],
        "matched_count": null,
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      },
      {
        "display_name": "Ruby Backend Developer",
        "kra_matches": [
          {
            "kra_text": "refactoring and code organization",
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          },
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            "kra_text": "backend defect diagnosis and fixes",
            "sentence": "Debug and fix memory safety, ownership, and concurrency-related issues.",
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          }
        ],
        "matched_count": null,
        "matched_skills": null,
        "role_id": 85,
        "score": 0.5365,
        "slug": "ruby-backend-developer",
        "total_count": null
      },
      {
        "display_name": "Go Backend Developer",
        "kra_matches": [
          {
            "kra_text": "backend refactoring and modularization",
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          },
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            "kra_text": "backend refactoring and modularization",
            "sentence": "Ability to work with complex architectural patterns and refactor code without introducing regressions.",
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          },
          {
            "kra_text": "code review and testing support",
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        ],
        "matched_count": null,
        "matched_skills": null,
        "role_id": 81,
        "score": 0.5302,
        "slug": "go-backend-developer",
        "total_count": null
      },
      {
        "display_name": "Sitecore Dev",
        "kra_matches": [
          {
            "kra_text": "refactoring for maintainability",
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          {
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          },
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            "kra_text": "refactoring for maintainability",
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        ],
        "matched_count": null,
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        "role_id": 233,
        "score": 0.5287,
        "slug": "sitecore-dev",
        "total_count": null
      },
      {
        "display_name": "Kotlin Backend Developer",
        "kra_matches": [
          {
            "kra_text": "backend refactoring and maintenance",
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          {
            "kra_text": "backend refactoring and maintenance",
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          },
          {
            "kra_text": "error handling and edge-case behavior",
            "sentence": "Debug and fix memory safety, ownership, and concurrency-related issues.",
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          }
        ],
        "matched_count": null,
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        "role_id": 84,
        "score": 0.5247,
        "slug": "kotlin-server-backend-developer",
        "total_count": null
      }
    ],
    "skill_match_roles": [
      {
        "display_name": "Scala Backend Developer",
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        "matched_count": 2,
        "matched_skills": [
          "Integration testing",
          "property-based testing"
        ],
        "role_id": 87,
        "score": 0.2,
        "slug": "scala-backend-developer",
        "total_count": 10
      },
      {
        "display_name": "PHP Backend Developer",
        "kra_matches": null,
        "matched_count": 2,
        "matched_skills": [
          "Integration testing",
          "property-based testing"
        ],
        "role_id": 86,
        "score": 0.2,
        "slug": "php-backend-developer",
        "total_count": 10
      },
      {
        "display_name": "Backend Developer",
        "kra_matches": null,
        "matched_count": 2,
        "matched_skills": [
          "Integration testing",
          "property-based testing"
        ],
        "role_id": 1,
        "score": 0.2,
        "slug": "backend-engineer",
        "total_count": 10
      },
      {
        "display_name": "Python Backend Developer",
        "kra_matches": null,
        "matched_count": 2,
        "matched_skills": [
          "Integration testing",
          "property-based testing"
        ],
        "role_id": 80,
        "score": 0.2,
        "slug": "python-backend-developer",
        "total_count": 10
      },
      {
        "display_name": "Node.js Backend Developer",
        "kra_matches": null,
        "matched_count": 2,
        "matched_skills": [
          "Integration testing",
          "property-based testing"
        ],
        "role_id": 82,
        "score": 0.2,
        "slug": "node-backend-developer",
        "total_count": 10
      }
    ]
  },
  "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": 0.97,
      "slug": "backend-engineer",
      "total_count": null
    },
    "confidence": 0.97,
    "is_new_role": false,
    "llm2_fired": false,
    "llm2_reasoning": null,
    "matched_dimensions": [
      "Rust Backend Software Development",
      "Memory Safety and Ownership Correctness",
      "Testing and Quality Engineering",
      "Concurrency and Asynchronous Programming",
      "Performance Profiling and Benchmarking",
      "API and Documentation Design",
      "Debugging and Refactoring"
    ],
    "matched_kras": [
      "Navigate and modify complex Rust codebases",
      "Implement new features with a focus on memory safety",
      "Write and execute tests using cargo test",
      "Refactor existing Rust code while maintaining functionality",
      "Debug and fix memory safety, ownership, and concurrency-related issues",
      "Set up and manage Rust development environments",
      "Ensure best practices in Rust development",
      "Experience with performance profiling and benchmarking in Rust"
    ],
    "matched_skills": [
      "Rust",
      "grep",
      "ripgrep",
      "cargo",
      "cargo test",
      "proptest",
      "quickcheck",
      "Tokio",
      "Actix",
      "Rocket",
      "Serde",
      "Rayon",
      "cargo bench",
      "doc-tests"
    ],
    "new_role_display_name": null,
    "new_role_slug": null,
    "queued": false,
    "reasoning": "Domain=Software Engineering; The JD is centered on Rust software development, debugging, testing, concurrency, and API/framework work, which best matches a backend/software engineering role rather than a specialized frontend, mobile, or systems niche.",
    "sub_role": null
  },
  "stage5_updates": {
    "centroid_n_after": 851,
    "centroid_updated": true,
    "collision_log_id": null,
    "new_kra_attached": {
      "best_kra_similarity": 0.0,
      "queue_id": 900,
      "r_and_r_preview": "\u2022 Navigate and modify complex Rust codebases using CLI tools like grep and ripgrep.\n\u2022 Implement new features with a focus on memory safety, ownership rules, and type correctness.\n\u2022 Write and execute t",
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      "role_slug": "backend-engineer",
      "status": "pending"
    },
    "new_skills_attached": [
      {
        "is_primary": true,
        "queue_id": 13200,
        "role_display_name": "Backend Developer",
        "role_slug": "backend-engineer",
        "skill_name": "grep",
        "status": "pending"
      },
      {
        "is_primary": true,
        "queue_id": 13201,
        "role_display_name": "Backend Developer",
        "role_slug": "backend-engineer",
        "skill_name": "ripgrep",
        "status": "pending"
      },
      {
        "is_primary": true,
        "queue_id": 13202,
        "role_display_name": "Backend Developer",
        "role_slug": "backend-engineer",
        "skill_name": "cargo",
        "status": "pending"
      },
      {
        "is_primary": true,
        "queue_id": 13203,
        "role_display_name": "Backend Developer",
        "role_slug": "backend-engineer",
        "skill_name": "cargo test",
        "status": "pending"
      },
      {
        "is_primary": false,
        "queue_id": 13204,
        "role_display_name": "Backend Developer",
        "role_slug": "backend-engineer",
        "skill_name": "proptest",
        "status": "pending"
      },
      {
        "is_primary": false,
        "queue_id": 13205,
        "role_display_name": "Backend Developer",
        "role_slug": "backend-engineer",
        "skill_name": "quickcheck",
        "status": "pending"
      },
      {
        "is_primary": false,
        "queue_id": 13206,
        "role_display_name": "Backend Developer",
        "role_slug": "backend-engineer",
        "skill_name": "Tokio",
        "status": "pending"
      },
      {
        "is_primary": false,
        "queue_id": 13207,
        "role_display_name": "Backend Developer",
        "role_slug": "backend-engineer",
        "skill_name": "Actix",
        "status": "pending"
      },
      {
        "is_primary": false,
        "queue_id": 13208,
        "role_display_name": "Backend Developer",
        "role_slug": "backend-engineer",
        "skill_name": "Rocket",
        "status": "pending"
      },
      {
        "is_primary": false,
        "queue_id": 13209,
        "role_display_name": "Backend Developer",
        "role_slug": "backend-engineer",
        "skill_name": "Serde",
        "status": "pending"
      },
      {
        "is_primary": false,
        "queue_id": 13210,
        "role_display_name": "Backend Developer",
        "role_slug": "backend-engineer",
        "skill_name": "Rayon",
        "status": "pending"
      },
      {
        "is_primary": true,
        "queue_id": 13211,
        "role_display_name": "Backend Developer",
        "role_slug": "backend-engineer",
        "skill_name": "asynchronous programming",
        "status": "pending"
      },
      {
        "is_primary": true,
        "queue_id": 13212,
        "role_display_name": "Backend Developer",
        "role_slug": "backend-engineer",
        "skill_name": "multi-threading",
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      },
      {
        "is_primary": false,
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        "role_display_name": "Backend Developer",
        "role_slug": "backend-engineer",
        "skill_name": "cargo bench",
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      },
      {
        "is_primary": false,
        "queue_id": 13214,
        "role_display_name": "Backend Developer",
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        "skill_name": "open-source development",
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      },
      {
        "is_primary": false,
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        "role_display_name": "Backend Developer",
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    "queue_entry_id": null,
    "v3_pipeline_triggered": false,
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    "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": 1610,
      "existing_alias_text": "Rust",
      "input_term": "Rust",
      "matched_canonical": {
        "category_id": 6,
        "display_name": "Rust",
        "id": 999,
        "is_also_category": false,
        "is_extractable": true,
        "skill_nature": "LANGUAGE",
        "slug": "rust",
        "sub_category_id": 96,
        "typical_lifespan": "EVERGREEN",
        "volatility": "STABLE"
      },
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      "new_alias_persisted": false,
      "new_alias_text": null,
      "new_skill_meta": {
        "derived": {
          "category": "Testing Frameworks",
          "skill_nature": "TOOL",
          "sub_category": "general",
          "typical_lifespan": "MULTI_YEAR",
          "version_strategy": "UNVERSIONED",
          "volatility": "MEDIUM"
        },
        "enrichment": null,
        "keep_log": [],
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        "skill_id": "quickcheck",
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    },
    {
      "aliases_in_db": [],
      "canonical": null,
      "dimensions": [],
      "input_skill": "Tokio",
      "matched_via": null,
      "new_alias_persisted": false,
      "new_alias_text": null,
      "new_skill_meta": {
        "derived": {
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          "skill_nature": "TOOL",
          "sub_category": "general",
          "typical_lifespan": "MULTI_YEAR",
          "version_strategy": "UNVERSIONED",
          "volatility": "MEDIUM"
        },
        "enrichment": null,
        "keep_log": [],
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        "merge_log": [],
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        "relationships": null,
        "skill_id": "tokio",
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        "typed": null,
        "warnings": []
      },
      "source_tag": "llm",
      "was_in_llm_skills": true
    },
    {
      "aliases_in_db": [],
      "canonical": null,
      "dimensions": [],
      "input_skill": "Actix",
      "matched_via": null,
      "new_alias_persisted": false,
      "new_alias_text": null,
      "new_skill_meta": {
        "derived": {
          "category": "Web Frameworks",
          "skill_nature": "TOOL",
          "sub_category": "general",
          "typical_lifespan": "MULTI_YEAR",
          "version_strategy": "UNVERSIONED",
          "volatility": "MEDIUM"
        },
        "enrichment": null,
        "keep_log": [],
        "locked_dimensions": [],
        "merge_log": [],
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        "skill_id": "actix",
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        "typed": null,
        "warnings": []
      },
      "source_tag": "llm",
      "was_in_llm_skills": true
    },
    {
      "aliases_in_db": [],
      "canonical": null,
      "dimensions": [],
      "input_skill": "Rocket",
      "matched_via": null,
      "new_alias_persisted": false,
      "new_alias_text": null,
      "new_skill_meta": {
        "derived": {
          "category": "Web Frameworks",
          "skill_nature": "TOOL",
          "sub_category": "general",
          "typical_lifespan": "MULTI_YEAR",
          "version_strategy": "UNVERSIONED",
          "volatility": "MEDIUM"
        },
        "enrichment": null,
        "keep_log": [],
        "locked_dimensions": [],
        "merge_log": [],
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        "relationships": null,
        "skill_id": "rocket",
        "split_log": [],
        "typed": null,
        "warnings": []
      },
      "source_tag": "llm",
      "was_in_llm_skills": true
    },
    {
      "aliases_in_db": [],
      "canonical": null,
      "dimensions": [],
      "input_skill": "Serde",
      "matched_via": null,
      "new_alias_persisted": false,
      "new_alias_text": null,
      "new_skill_meta": {
        "derived": {
          "category": "Serialization Libraries",
          "skill_nature": "TOOL",
          "sub_category": "general",
          "typical_lifespan": "MULTI_YEAR",
          "version_strategy": "UNVERSIONED",
          "volatility": "MEDIUM"
        },
        "enrichment": null,
        "keep_log": [],
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        "skill_id": "serde",
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      "source_tag": "llm",
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    },
    {
      "aliases_in_db": [],
      "canonical": null,
      "dimensions": [],
      "input_skill": "Rayon",
      "matched_via": null,
      "new_alias_persisted": false,
      "new_alias_text": null,
      "new_skill_meta": {
        "derived": {
          "category": "Data Parallelism Libraries",
          "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": "rayon",
        "split_log": [],
        "typed": null,
        "warnings": []
      },
      "source_tag": "llm",
      "was_in_llm_skills": true
    },
    {
      "aliases_in_db": [
        {
          "alias_text": "Unit Testing",
          "alias_type": "CANONICAL",
          "id": 865,
          "is_primary": false,
          "match_strategy": "CASE_INSENSITIVE"
        }
      ],
      "canonical": {
        "category_id": 8,
        "display_name": "Unit Testing",
        "id": 517,
        "is_also_category": false,
        "is_extractable": true,
        "skill_nature": "METHODOLOGY",
        "slug": "unit-testing",
        "sub_category_id": 44,
        "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": "unit testing",
          "llm_role": null,
          "roles_from_db": []
        }
      ],
      "input_skill": "unit testing",
      "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": "Integration testing",
          "alias_type": "CANONICAL",
          "id": 2945,
          "is_primary": true,
          "match_strategy": "CASE_INSENSITIVE"
        },
        {
          "alias_text": "integration testing",
          "alias_type": "CANONICAL",
          "id": 193,
          "is_primary": false,
          "match_strategy": "CASE_INSENSITIVE"
        }
      ],
      "canonical": {
        "category_id": 8,
        "display_name": "Integration testing",
        "id": 56,
        "is_also_category": false,
        "is_extractable": true,
        "skill_nature": "METHODOLOGY",
        "slug": "integration-testing",
        "sub_category_id": 44,
        "typical_lifespan": "EVERGREEN",
        "volatility": "STABLE"
      },
      "dimensions": [
        {
          "dimension": {
            "difficulty_hint": "well_known",
            "display_name": "Testing and Defect Resolution",
            "id": 262,
            "rationale": "Validates Pega rules, flows, and integrations and then troubleshoots defects found in lower environments or production. This is a coherent cluster because the role is expected to verify platform behavior and fix rule-level issues.",
            "slug": "testing-and-defect-resolution",
            "source": "db"
          },
          "input_skill": "integration testing",
          "llm_role": null,
          "roles_from_db": [
            {
              "display_name": "Pega Developer",
              "id": 24,
              "rationale": null,
              "role_archetype": null,
              "slug": "pega-developer",
              "source": "db"
            }
          ]
        },
        {
          "dimension": {
            "difficulty_hint": "well_known",
            "display_name": "Testing and Quality Assurance",
            "id": 12,
            "rationale": "Backend-specific test strategies used to validate service behavior and integration points. Covers automated test layers, contract checks, fixtures, and regression prevention.",
            "slug": "testing-and-quality-assurance",
            "source": "db"
          },
          "input_skill": "integration testing",
          "llm_role": null,
          "roles_from_db": [
            {
              "display_name": ".NET Backend Developer",
              "id": 83,
              "rationale": null,
              "role_archetype": "Engineering",
              "slug": "dotnet-backend-developer",
              "source": "db"
            },
            {
              "display_name": "Backend Developer",
              "id": 1,
              "rationale": null,
              "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": "Node.js Backend Developer",
              "id": 82,
              "rationale": null,
              "role_archetype": "Engineering",
              "slug": "node-backend-developer",
              "source": "db"
            },
            {
              "display_name": "PHP Backend Developer",
              "id": 86,
              "rationale": null,
              "role_archetype": "Engineering",
              "slug": "php-backend-developer",
              "source": "db"
            },
            {
              "display_name": "Python Backend Developer",
              "id": 80,
              "rationale": null,
              "role_archetype": "Engineering",
              "slug": "python-backend-developer",
              "source": "db"
            },
            {
              "display_name": "Scala Backend Developer",
              "id": 87,
              "rationale": null,
              "role_archetype": "Engineering",
              "slug": "scala-backend-developer",
              "source": "db"
            }
          ]
        }
      ],
      "input_skill": "integration testing",
      "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": "property-based testing",
          "alias_type": "CANONICAL",
          "id": 197,
          "is_primary": true,
          "match_strategy": "CASE_INSENSITIVE"
        }
      ],
      "canonical": {
        "category_id": 8,
        "display_name": "property-based testing",
        "id": 60,
        "is_also_category": false,
        "is_extractable": true,
        "skill_nature": "METHODOLOGY",
        "slug": "property-based-testing",
        "sub_category_id": 3554,
        "typical_lifespan": "EVERGREEN",
        "volatility": "EMERGING"
      },
      "dimensions": [
        {
          "dimension": {
            "difficulty_hint": "well_known",
            "display_name": "Testing and Quality Assurance",
            "id": 12,
            "rationale": "Backend-specific test strategies used to validate service behavior and integration points. Covers automated test layers, contract checks, fixtures, and regression prevention.",
            "slug": "testing-and-quality-assurance",
            "source": "db"
          },
          "input_skill": "property-based testing",
          "llm_role": null,
          "roles_from_db": [
            {
              "display_name": ".NET Backend Developer",
              "id": 83,
              "rationale": null,
              "role_archetype": "Engineering",
              "slug": "dotnet-backend-developer",
              "source": "db"
            },
            {
              "display_name": "Backend Developer",
              "id": 1,
              "rationale": null,
              "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": "Node.js Backend Developer",
              "id": 82,
              "rationale": null,
              "role_archetype": "Engineering",
              "slug": "node-backend-developer",
              "source": "db"
            },
            {
              "display_name": "PHP Backend Developer",
              "id": 86,
              "rationale": null,
              "role_archetype": "Engineering",
              "slug": "php-backend-developer",
              "source": "db"
            },
            {
              "display_name": "Python Backend Developer",
              "id": 80,
              "rationale": null,
              "role_archetype": "Engineering",
              "slug": "python-backend-developer",
              "source": "db"
            },
            {
              "display_name": "Scala Backend Developer",
              "id": 87,
              "rationale": null,
              "role_archetype": "Engineering",
              "slug": "scala-backend-developer",
              "source": "db"
            }
          ]
        }
      ],
      "input_skill": "property-based testing",
      "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": "asynchronous programming",
      "matched_via": null,
      "new_alias_persisted": false,
      "new_alias_text": null,
      "new_skill_meta": {
        "derived": {
          "category": "Programming 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": "asynchronous-programming",
        "split_log": [],
        "typed": null,
        "warnings": []
      },
      "source_tag": "llm",
      "was_in_llm_skills": true
    },
    {
      "aliases_in_db": [
        {
          "alias_text": "multithreading",
          "alias_type": "CANONICAL",
          "id": 223,
          "is_primary": true,
          "match_strategy": "CASE_INSENSITIVE"
        }
      ],
      "canonical": {
        "category_id": 2,
        "display_name": "multithreading",
        "id": 82,
        "is_also_category": false,
        "is_extractable": true,
        "skill_nature": "CONCEPT",
        "slug": "multithreading",
        "sub_category_id": 7,
        "typical_lifespan": "EVERGREEN",
        "volatility": "STABLE"
      },
      "dimensions": [
        {
          "dimension": {
            "difficulty_hint": "well_known",
            "display_name": "Concurrency and Parallel Processing",
            "id": 17,
            "rationale": "Programming techniques for handling multiple requests and background work safely and efficiently. Includes synchronization, async execution, and coordination of concurrent tasks.",
            "slug": "concurrency-and-parallel-processing",
            "source": "db"
          },
          "input_skill": "multi-threading",
          "llm_role": null,
          "roles_from_db": [
            {
              "display_name": "Backend Developer",
              "id": 1,
              "rationale": null,
              "role_archetype": "A Backend Engineer designs, builds, and maintains the server-side logic and data handling that power applications and services. They focus on implementing reliable business functionality, integrating with other systems, and ensuring the backend is scalable, maintainable, and observable.",
              "slug": "backend-engineer",
              "source": "db"
            },
            {
              "display_name": "Java Backend Developer",
              "id": 79,
              "rationale": null,
              "role_archetype": "Engineering",
              "slug": "java-backend-developer",
              "source": "db"
            },
            {
              "display_name": "Node.js Backend Developer",
              "id": 82,
              "rationale": null,
              "role_archetype": "Engineering",
              "slug": "node-backend-developer",
              "source": "db"
            },
            {
              "display_name": "Ruby Backend Developer",
              "id": 85,
              "rationale": null,
              "role_archetype": "Engineering",
              "slug": "ruby-backend-developer",
              "source": "db"
            },
            {
              "display_name": "Scala Backend Developer",
              "id": 87,
              "rationale": null,
              "role_archetype": "Engineering",
              "slug": "scala-backend-developer",
              "source": "db"
            }
          ]
        }
      ],
      "input_skill": "multi-threading",
      "matched_via": "embedding_alias",
      "new_alias_persisted": false,
      "new_alias_text": null,
      "new_skill_meta": null,
      "source_tag": "db",
      "was_in_llm_skills": true
    },
    {
      "aliases_in_db": [],
      "canonical": null,
      "dimensions": [],
      "input_skill": "cargo bench",
      "matched_via": null,
      "new_alias_persisted": false,
      "new_alias_text": null,
      "new_skill_meta": {
        "derived": {
          "category": "Benchmarking Tools",
          "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": "cargo-bench",
        "split_log": [],
        "typed": null,
        "warnings": []
      },
      "source_tag": "llm",
      "was_in_llm_skills": true
    },
    {
      "aliases_in_db": [
        {
          "alias_text": "open-source",
          "alias_type": "CANONICAL",
          "id": 2367,
          "is_primary": false,
          "match_strategy": "CASE_INSENSITIVE"
        }
      ],
      "canonical": {
        "category_id": 2,
        "display_name": "open-source",
        "id": 1472,
        "is_also_category": false,
        "is_extractable": true,
        "skill_nature": "CONCEPT",
        "slug": "open-source",
        "sub_category_id": 1111,
        "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": "open-source development",
          "llm_role": null,
          "roles_from_db": []
        }
      ],
      "input_skill": "open-source development",
      "matched_via": "embedding_alias",
      "new_alias_persisted": false,
      "new_alias_text": null,
      "new_skill_meta": null,
      "source_tag": "db",
      "was_in_llm_skills": true
    },
    {
      "aliases_in_db": [],
      "canonical": null,
      "dimensions": [],
      "input_skill": "doc-tests",
      "matched_via": null,
      "new_alias_persisted": false,
      "new_alias_text": null,
      "new_skill_meta": {
        "derived": {
          "category": "Documentation Tools",
          "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": "doc-tests",
        "split_log": [],
        "typed": null,
        "warnings": []
      },
      "source_tag": "llm",
      "was_in_llm_skills": true
    }
  ],
  "unmatched_skills": [
    "grep",
    "ripgrep",
    "cargo",
    "cargo test",
    "proptest",
    "quickcheck",
    "Tokio",
    "Actix",
    "Rocket",
    "Serde",
    "Rayon",
    "asynchronous programming",
    "cargo bench",
    "doc-tests"
  ]
}
API 3 — final-role-output
{
  "chosen_role": {
    "display_name": "Backend Developer",
    "id": 1,
    "rationale": "Domain=Software Engineering; The JD is centered on Rust software development, debugging, testing, concurrency, and API/framework work, which best matches a backend/software engineering role rather than a specialized frontend, mobile, or systems niche.",
    "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": "Rust",
      "tag": "in_db"
    },
    {
      "skill": "grep",
      "tag": "new"
    },
    {
      "skill": "ripgrep",
      "tag": "new"
    },
    {
      "skill": "cargo",
      "tag": "new"
    },
    {
      "skill": "cargo test",
      "tag": "new"
    },
    {
      "skill": "proptest",
      "tag": "new"
    },
    {
      "skill": "quickcheck",
      "tag": "new"
    },
    {
      "skill": "Tokio",
      "tag": "new"
    },
    {
      "skill": "Actix",
      "tag": "new"
    },
    {
      "skill": "Rocket",
      "tag": "new"
    },
    {
      "skill": "Serde",
      "tag": "new"
    },
    {
      "skill": "Rayon",
      "tag": "new"
    },
    {
      "skill": "unit testing",
      "tag": "in_db"
    },
    {
      "skill": "integration testing",
      "tag": "in_db"
    },
    {
      "skill": "property-based testing",
      "tag": "in_db"
    },
    {
      "skill": "asynchronous programming",
      "tag": "new"
    },
    {
      "skill": "multi-threading",
      "tag": "in_db"
    },
    {
      "skill": "cargo bench",
      "tag": "new"
    },
    {
      "skill": "open-source development",
      "tag": "in_db"
    },
    {
      "skill": "doc-tests",
      "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": "Rust",
        "llm_role": null,
        "matched_chosen_role": false,
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        "roles_from_db": [],
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          "source": "db"
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        "roles_from_db": [
          {
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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.

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