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sj-v005-bl3-00314
0.1
0.1
{ "text": "Production encryption skills", "skill": "encryption", "group_id": "security", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v005-bl3-00314-e1", "section": "experience", "source_type": "cv", "text": "Mid-level engineer for 2 years: enabled TLS and field encryption for user data; handled the on-call for it." } ]
{ "group_id": "security", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "boundary_l3", "source": "synthetic_v005", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-027693
0.1
0.1
{ "text": "Practical hiring experience", "skill": "hiring", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-027693-e1", "section": "experience", "source_type": "cv", "text": "Independently conducted technical interviews; on-call owner for it." } ]
{ "group_id": "leadership", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "easy", "case_type": "direct_moderate", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-018343
0.1
0.1
{ "text": "Practical C#/.NET experience", "skill": "C#/.NET", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[]
{ "group_id": "lang_core", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "easy", "case_type": "no_evidence", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-029134
0.1
0.1
{ "text": "Hands-on secrets management", "skill": "secrets management", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-029134-e1", "section": "experience", "source_type": "cv", "text": "Claimed: migrated all secrets to Vault with dynamic credentials." }, { "evidence_id": "sj-v004-syn-029134-e2", "section": "interview", "source_type": "interview", "text": "Interviewer...
{ "group_id": "security", "evidence_label": "contradicted", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "cv_vs_interview", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v005-bl4-00773
0.1
0.1
{ "text": "Solid caching strategy knowledge", "skill": "caching strategy", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v005-bl4-00773-e1", "section": "experience", "source_type": "cv", "text": "Senior engineer and design owner: designed multi-layer caching (CDN, Redis, local) cutting DB load 70%." } ]
{ "group_id": "system_design", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "hard", "case_type": "boundary_l4", "source": "synthetic_v005", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-013120
0.1
0.1
{ "text": "Deep OWASP secure coding expertise", "skill": "OWASP secure coding", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-013120-e1", "section": "experience", "source_type": "cv", "text": "Backend engineer, 3 years: fixed OWASP findings from pentests." }, { "evidence_id": "sj-v004-syn-013120-e2", "section": "summary", "source_type": "cv", "text": "Looking for a product ...
{ "group_id": "security", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "easy", "case_type": "direct_moderate", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-013995
0.1
0.1
{ "text": "Practical SLO/SLI experience", "skill": "SLO/SLI", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-013995-e1", "section": "summary", "source_type": "cv", "text": "I have no experience with SLO/SLI at all." } ]
{ "group_id": "reliability_obs", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "explicit_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-022125
0.1
0.1
{ "text": "Experience with Python", "skill": "Python", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-022125-e1", "section": "summary", "source_type": "cv", "text": "Fast learner, team player, results-driven." } ]
{ "group_id": "lang_core", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "easy", "case_type": "vague_claim", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-026185
0.1
0.1
{ "text": "mentoring (must have)", "skill": "mentoring", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-026185-e1", "section": "experience", "source_type": "cv", "text": "lead engineer 2018-2023: mentored 6 engineers, 3 promoted, and ran the onboarding program." } ]
{ "group_id": "leadership", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-004837
0.1
0.1
{ "text": "Hands-on hiring", "skill": "hiring", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-004837-e1", "section": "summary", "source_type": "cv", "text": "Strong problem solver, passionate about technology." } ]
{ "group_id": "leadership", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "easy", "case_type": "vague_claim", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-008848
0.1
0.1
{ "text": "Strong OWASP secure coding skills", "skill": "OWASP secure coding", "group_id": "security", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-008848-e1", "section": "experience", "source_type": "cv", "text": "Assisted on tasks where the team fixed OWASP findings from pentests; picked tickets prepared by the lead." } ]
{ "group_id": "security", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "easy", "case_type": "below_target", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v005-bl3-00044
0.1
0.1
{ "text": "Production Rust skills", "skill": "Rust", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v005-bl3-00044-e1", "section": "experience", "source_type": "cv", "text": "Mid-level engineer for 2 years: wrote Rust CLI tools used by the team; handled the on-call for it." } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "boundary_l3", "source": "synthetic_v005", "split": "train", "label_status": "synthetic_needs_review" }
sj-v005-bl5-01328
0.1
0.1
{ "text": "Production state management skills", "skill": "state management", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v005-bl5-01328-e1", "section": "experience", "source_type": "cv", "text": "Principal engineer, recognized expert: designed client state architecture with Redux Toolkit and React Query; core maintainer of a popular state management project." } ]
{ "group_id": "frontend", "evidence_label": "supported", "proficiency_label": "5" }
{ "difficulty": "hard", "case_type": "boundary_l5", "source": "synthetic_v005", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-002583
0.1
0.1
{ "text": "Strong Docker skills", "skill": "Docker", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-002583-e1", "section": "experience", "source_type": "cv", "text": "Fellow-level engineer: built hardened multi-stage Docker images and base-image program for all teams. Wrote the internal Docker handbook and teach Docker externally." } ]
{ "group_id": "cloud_devops", "evidence_label": "supported", "proficiency_label": "5" }
{ "difficulty": "easy", "case_type": "expert", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-04097
0.1
0.1
{ "text": "React experience", "skill": "React", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-04097-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Tech stack: Javascript, TypeScript, HTML, CSS, React, Next.js, GraphQL, Styled-components, ant.d, MUI, Parse server" } ]
{ "group_id": "frontend", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_keyword_list", "source": "djinni_cv_en", "source_record": "a2e167b9-b296-56a2-ac50-a4d59d83fd8f", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2"...
sj-v008-cv-00820
0.1
0.1
{ "text": "Commercial scalable system design experience", "skill": "scalable system design", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-00820-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Cut build time by 40% by tuning the scalable system design configuration." } ]
{ "group_id": "system_design", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "convention_v02", "source": "synthetic_v008", "split": "train", "label_status": "synthetic_convention_v0.2" }
sj-v004-syn-028725
0.1
0.1
{ "text": "Working knowledge of accessibility", "skill": "accessibility", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-028725-e1", "section": "interview", "source_type": "interview", "text": "Screening: asked about accessibility, candidate has not worked with it." }, { "evidence_id": "sj-v004-syn-028725-e2", "section": "summary", "source_type": "cv", "text": "Based i...
{ "group_id": "frontend", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "verified_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-015487
0.1
0.1
{ "text": "Working knowledge of integration testing", "skill": "integration testing", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-015487-e1", "section": "experience", "source_type": "cv", "text": "Assisted on tasks where the team wrote integration tests against real databases; picked tickets prepared by the lead." } ]
{ "group_id": "testing_quality", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "easy", "case_type": "below_target", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-05032
0.1
0.1
{ "text": "Terraform experience", "skill": "Terraform", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-05032-e1", "section": "cv_excerpt", "source_type": "cv", "text": "7 years in commercial C++, using Python for internal needs: 3 years of support and development of FIX interface of hi-loaded trading system (experience in C++/trading/Fix protocol/transact sql/python/pr...
{ "group_id": "cloud_devops", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "e0aa82e0-92d0-532c-a80a-65d616a5d2fe", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v005-bl4-00617
0.1
0.1
{ "text": "Experience with C#/.NET", "skill": "C#/.NET", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v005-bl4-00617-e1", "section": "experience", "source_type": "cv", "text": "Designed and led: architected .NET 8 order platform across 12 services, with measurable outcomes." } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "hard", "case_type": "boundary_l4", "source": "synthetic_v005", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-02936
0.1
0.1
{ "text": "Strong React skills", "skill": "React", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-02936-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Created projects with HTML, CSS, JavaScript and React." } ]
{ "group_id": "frontend", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "1a1c893b-1b5e-5da3-8dd2-9698ff00fdf2", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v008-cv-01290
0.1
0.1
{ "text": "Experience with static analysis", "skill": "static analysis", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-01290-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Cut build time by 40% by tuning the static analysis configuration." } ]
{ "group_id": "testing_quality", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "convention_v02", "source": "synthetic_v008", "split": "train", "label_status": "synthetic_convention_v0.2" }
sj-v004-syn-021508
0.1
0.1
{ "text": "Deep C#/.NET expertise", "skill": "C#/.NET", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-021508-e1", "section": "experience", "source_type": "cv", "text": "CV: architected .NET 8 order platform across 12 services." }, { "evidence_id": "sj-v004-syn-021508-e2", "section": "interview", "source_type": "interview", "text": "Interview: candida...
{ "group_id": "lang_core", "evidence_label": "contradicted", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "cv_vs_interview", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-009929
0.1
0.1
{ "text": "Expert-level distributed consistency", "skill": "distributed consistency", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-009929-e1", "section": "experience", "source_type": "cv", "text": "CV: designed idempotent, eventually consistent ledger with reconciliation." }, { "evidence_id": "sj-v004-syn-009929-e2", "section": "interview", "source_type": "interview", "text": "I...
{ "group_id": "system_design", "evidence_label": "contradicted", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "cv_vs_interview", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-015130
0.1
0.1
{ "text": "Good understanding of hiring", "skill": "hiring", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-015130-e1", "section": "summary", "source_type": "cv", "text": "Advanced hiring skills; strong hiring background." } ]
{ "group_id": "leadership", "evidence_label": "partial", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "claim_no_detail", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-007811
0.1
0.1
{ "text": "Production unit testing skills", "skill": "unit testing", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-007811-e1", "section": "interview", "source_type": "interview", "text": "Candidate confirmed they have never worked with unit testing." } ]
{ "group_id": "testing_quality", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "verified_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v006-c-00927
0.1
0.1
{ "text": "Commercial microservices experience", "skill": "microservices", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v006-c-00927-e1", "section": "experience", "source_type": "cv", "text": "Freelance: delivered several client projects where I built and operated two microservices." } ]
{ "group_id": "system_design", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "contrast_partial_supported", "source": "synthetic_v006", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-010034
0.1
0.1
{ "text": "Solid web performance knowledge", "skill": "web performance", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-010034-e1", "section": "experience", "source_type": "cv", "text": "Backend engineer, Go and PostgreSQL, 7 years." } ]
{ "group_id": "frontend", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "missing_skill", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-003834
0.1
0.1
{ "text": "Expert-level GraphQL", "skill": "GraphQL", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-003834-e1", "section": "experience", "source_type": "cv", "text": "Mid-level developer: built GraphQL resolvers for the mobile app; shipped to production regularly." } ]
{ "group_id": "api_design", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "easy", "case_type": "direct_moderate", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-022343
0.1
0.1
{ "text": "Proven distributed tracing in production", "skill": "distributed tracing", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-022343-e1", "section": "summary", "source_type": "cv", "text": "distributed tracing guru, top expert level." }, { "evidence_id": "sj-v004-syn-022343-e2", "section": "summary", "source_type": "cv", "text": "Also worked with Git and Jira." } ]
{ "group_id": "reliability_obs", "evidence_label": "partial", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "claim_no_detail", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-008124
0.1
0.1
{ "text": "Rust (must have)", "skill": "Rust", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-008124-e1", "section": "summary", "source_type": "cv", "text": "profile: 'deep rust expertise', no further details given." }, { "evidence_id": "sj-v004-syn-008124-e2", "section": "summary", "source_type": "cv", "text": "agile/scrum teams of 5-8 peopl...
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "claim_no_detail", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-04616
0.1
0.1
{ "text": "Proven Python in production", "skill": "Python", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-04616-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Technologies: python, pandas, numpy, pytorch ,tensorflow/keras, scikit-learn, xgboost, lightgbm, transformers, plotly, matplotlib, seaborn, streamlit, FastAPI, Django REST framework, PostgreSQL, Docker, ...
{ "group_id": "lang_core", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_keyword_list", "source": "djinni_cv_en", "source_record": "fc7a52bd-621e-53fd-a58f-027e0d3f0a24", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": "v0....
sj-v004-real-05843
0.1
0.1
{ "text": "Strong CI/CD skills", "skill": "CI/CD", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-05843-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Experience: 2 years as a Business Analyst · 3 years as a UI/UX Designer · some experience as a game designer. The main specialization is the development of automated control systems for managing business...
{ "group_id": "cloud_devops", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "9adac6b6-af6e-5160-8890-395fe1ec69db", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v008-cv-00132
0.1
0.1
{ "text": "Commercial cross-team leadership experience", "skill": "cross-team leadership", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-00132-e1", "section": "cv_excerpt", "source_type": "cv", "text": "At a mid-size company I led a 4-team initiative aligning API contracts and roadmaps." } ]
{ "group_id": "leadership", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "hard", "case_type": "convention_v02", "source": "synthetic_v008", "split": "train", "label_status": "synthetic_convention_v0.2" }
sj-v008-cv-00248
0.1
0.1
{ "text": "Production CI/CD skills", "skill": "CI/CD", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-00248-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Implemented multiple systems with tools like CI/CD, C++, Bash and Python." } ]
{ "group_id": "cloud_devops", "evidence_label": "partial", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "convention_v02", "source": "synthetic_v008", "split": "train", "label_status": "synthetic_convention_v0.2" }
sj-v004-syn-009351
0.1
0.1
{ "text": "Commercial experience with Kubernetes", "skill": "Kubernetes", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-009351-e1", "section": "experience", "source_type": "cv", "text": "4 years of production work with Docker Swarm (not Kubernetes)." } ]
{ "group_id": "cloud_devops", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "adjacent_tech", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-028133
0.1
0.1
{ "text": "Expert-level API versioning", "skill": "API versioning", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-028133-e1", "section": "interview", "source_type": "interview", "text": "Interviewer: zero API versioning exposure confirmed by candidate." } ]
{ "group_id": "api_design", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "verified_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v008-cv-02107
0.1
0.1
{ "text": "Commercial Redis experience", "skill": "Redis", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-02107-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Open to learning Redis if the project needs it." } ]
{ "group_id": "data_storage", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "convention_v02", "source": "synthetic_v008", "split": "train", "label_status": "synthetic_convention_v0.2" }
sj-v004-syn-028671
0.1
0.1
{ "text": "Production encryption skills", "skill": "encryption", "group_id": "security", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-028671-e1", "section": "experience", "source_type": "cv", "text": "Lead engineer 2018-2023: designed envelope encryption with KMS for PII at rest." } ]
{ "group_id": "security", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-018458
0.1
0.1
{ "text": "Practical Go experience", "skill": "Go", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-018458-e1", "section": "experience", "source_type": "cv", "text": "senior engineer (2019-2024): rewrote the go ingestion service to handle 15k req/s with bounded worker pools." }, { "evidence_id": "sj-v004-syn-018458-e2", "section": "summary", "source_ty...
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-02762
0.1
0.1
{ "text": "Strong Python skills", "skill": "Python", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-02762-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Data analytics with python course with QSS analytics group;" } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "df4becaf-a1e2-545f-8426-8d147aba939f", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-023604
0.1
0.1
{ "text": "Experience with AWS", "skill": "AWS", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-023604-e1", "section": "summary", "source_type": "cv", "text": "No hands-on AWS experience yet; planning to learn it." } ]
{ "group_id": "cloud_devops", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "explicit_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-004730
0.1
0.1
{ "text": "Expert-level Python", "skill": "Python", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-004730-e1", "section": "experience", "source_type": "cv", "text": "Our team architected an async Python (FastAPI) platform serving 30 internal teams. My contribution: tests and documentation." } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "team_credit", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-013009
0.1
0.1
{ "text": "Expert-level monitoring", "skill": "monitoring", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-013009-e1", "section": "skills_list", "source_type": "cv", "text": "keywords: agile, monitoring, linux, rest" } ]
{ "group_id": "reliability_obs", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-018900
0.1
0.1
{ "text": "Good understanding of OpenAPI", "skill": "OpenAPI", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-018900-e1", "section": "education", "source_type": "cv", "text": "University course project using OpenAPI for a simple CRUD demo." } ]
{ "group_id": "api_design", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "easy", "case_type": "toy_project", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-004217
0.1
0.1
{ "text": "Working knowledge of performance tuning", "skill": "performance tuning", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-004217-e1", "section": "experience", "source_type": "cv", "text": "Contributed peripheral tickets to a project where the team profiled and tuned JVM services increasing throughput 3x on the same hardware." }, { "evidence_id": "sj-v004-syn-004217-e2", "sectio...
{ "group_id": "reliability_obs", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "team_credit", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-017709
0.1
0.1
{ "text": "Good understanding of OAuth2/OIDC", "skill": "OAuth2/OIDC", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-017709-e1", "section": "skills_list", "source_type": "cv", "text": "Keywords: Agile, OAuth2/OIDC, Linux, REST" } ]
{ "group_id": "security", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-029196
0.1
0.1
{ "text": "Hands-on code review", "skill": "code review", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-029196-e1", "section": "experience", "source_type": "cv", "text": "Side project: small code review demo built while following an online course." } ]
{ "group_id": "testing_quality", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "easy", "case_type": "toy_project", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v005-bl4-00849
0.1
0.1
{ "text": "Strong event-driven architecture skills", "skill": "event-driven architecture", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v005-bl4-00849-e1", "section": "experience", "source_type": "cv", "text": "Designed and led: designed saga-based event-driven checkout across 6 services, with measurable outcomes." } ]
{ "group_id": "system_design", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "hard", "case_type": "boundary_l4", "source": "synthetic_v005", "split": "train", "label_status": "synthetic_needs_review" }
sj-v006-c-01798
0.1
0.1
{ "text": "Commercial unit testing experience", "skill": "unit testing", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v006-c-01798-e1", "section": "experience", "source_type": "cv", "text": "Built a small unit testing demo app following an online tutorial." } ]
{ "group_id": "testing_quality", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "contrast_partial_supported", "source": "synthetic_v006", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-014841
0.1
0.1
{ "text": "Strong hands-on Rust background", "skill": "Rust", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-014841-e1", "section": "experience", "source_type": "cv", "text": "CV: implemented a Rust log shipper replacing Logstash, 10x lower CPU." }, { "evidence_id": "sj-v004-syn-014841-e2", "section": "interview", "source_type": "interview", "text": "Interv...
{ "group_id": "lang_core", "evidence_label": "contradicted", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "cv_vs_interview", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-00946
0.1
0.1
{ "text": "Proven Go in production", "skill": "Go", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-00946-e1", "section": "cv_excerpt", "source_type": "cv", "text": "In my first role I implemented server-side of the cross-platform application as a member of a team, maintained existing APIs and developed new features for them using PHP7, Go, PostgreSQL, MySQL, RabbitM...
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "5053d6cf-745d-5a8f-9fcb-c31acb8cf375", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-026735
0.1
0.1
{ "text": "Practical authorization (RBAC) experience", "skill": "authorization (RBAC)", "group_id": "security", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-026735-e1", "section": "experience", "source_type": "cv", "text": "Independently implemented role checks in APIs; on-call owner for it." } ]
{ "group_id": "security", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "easy", "case_type": "direct_moderate", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-02851
0.1
0.1
{ "text": "Proven Python in production", "skill": "Python", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-02851-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Technologies: Jira, Confluence, GCC, CMake, Python, C, C++, QNX, Linux, SSH, minicom, VPN, VisualCode, Git, Gerrit, Valgrind, STL/Posix threads, synchronization, IPC, STL containers, OEM TrustedZone, sma...
{ "group_id": "lang_core", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_keyword_list", "source": "djinni_cv_en", "source_record": "30726749-1274-5f3b-8007-506d63c1afe6", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": "v0....
sj-v004-real-01017
0.1
0.1
{ "text": "Strong Kubernetes skills", "skill": "Kubernetes", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-01017-e1", "section": "cv_excerpt", "source_type": "cv", "text": "I created multiple ansible roles to automate daily tasks and also deployed Rancher environment in order to managing multible kubernetes environments" } ]
{ "group_id": "cloud_devops", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "67d3c132-6ad6-5869-b325-1593c136279c", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-real-03685
0.1
0.1
{ "text": "React experience", "skill": "React", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-03685-e1", "section": "cv_excerpt", "source_type": "cv", "text": "> Finished courses of Front-End Adv (6 month) where i learn OOP, DOM, ES6, React, Vue.js, Angular, Git, REST." } ]
{ "group_id": "frontend", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "ff7a3321-4e5a-5b1f-a5f6-bec85ec822e1", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": "v0.2" }
sj-v004-real-03067
0.1
0.1
{ "text": "Proven Java in production", "skill": "Java", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-03067-e1", "section": "cv_excerpt", "source_type": "cv", "text": "I made a 3d game project and first of all, I determined with documents about creating a category and how to proceed, and I wrote it over java." } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "7b1d0d30-64cc-5a83-bd60-808b2f858578", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": "v0.2" }
sj-v004-syn-000815
0.1
0.1
{ "text": "Terraform (must have)", "skill": "Terraform", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-000815-e1", "section": "summary", "source_type": "cv", "text": "Expert in Terraform with 10 years of experience." }, { "evidence_id": "sj-v004-syn-000815-e2", "section": "summary", "source_type": "cv", "text": "B.Sc. in Computer Science." } ]
{ "group_id": "cloud_devops", "evidence_label": "partial", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "claim_no_detail", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-024713
0.1
0.1
{ "text": "Good understanding of distributed consistency", "skill": "distributed consistency", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-024713-e1", "section": "summary", "source_type": "cv", "text": "I have no experience with distributed consistency at all." } ]
{ "group_id": "system_design", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "explicit_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-03012
0.1
0.1
{ "text": "Java experience", "skill": "Java", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-03012-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Also from last year I learning Java OOP language and make some projects as a freelancer." } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "456458ae-d00e-5086-ba9b-f5430e52023f", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": "v0.2" }
sj-v004-syn-030520
0.1
0.1
{ "text": "Working knowledge of Elasticsearch", "skill": "Elasticsearch", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-030520-e1", "section": "experience", "source_type": "cv", "text": "for 2.5 years i built search features on elasticsearch as the main developer of the service." } ]
{ "group_id": "data_storage", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "easy", "case_type": "direct_moderate", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-023488
0.1
0.1
{ "text": "Experience with Kafka", "skill": "Kafka", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-023488-e1", "section": "experience", "source_type": "cv", "text": "Software engineer (2021-2024): built Kafka producers and consumers with retries." } ]
{ "group_id": "system_design", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "easy", "case_type": "direct_moderate", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-008927
0.1
0.1
{ "text": "technical design docs experience", "skill": "technical design docs", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-008927-e1", "section": "experience", "source_type": "cv", "text": "Backend engineer, 3 years: wrote design docs for team features." } ]
{ "group_id": "leadership", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "easy", "case_type": "direct_moderate", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-004061
0.1
0.1
{ "text": "code review (must have)", "skill": "code review", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-004061-e1", "section": "experience", "source_type": "cv", "text": "Was part of a team that created code review guidelines and reviewed ~20 PRs/week as tech lead; I worked on smaller tickets around it." } ]
{ "group_id": "testing_quality", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "team_credit", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v008-cv-00754
0.1
0.1
{ "text": "Proven scalable system design in production", "skill": "scalable system design", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-00754-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Contributed to an e-commerce project (scalable system design)." } ]
{ "group_id": "system_design", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "convention_v02", "source": "synthetic_v008", "split": "train", "label_status": "synthetic_convention_v0.2" }
sj-v004-syn-015027
0.1
0.1
{ "text": "Production Kafka skills", "skill": "Kafka", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-015027-e1", "section": "skills_list", "source_type": "cv", "text": "Keywords: Agile, Kafka, Linux, REST" }, { "evidence_id": "sj-v004-syn-015027-e2", "section": "summary", "source_type": "cv", "text": "Also worked with Git and Jira." } ]
{ "group_id": "system_design", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-04376
0.1
0.1
{ "text": "Strong Docker skills", "skill": "Docker", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-04376-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Also got familiar with the next technologies and environments: PHP, Laravel, Docker, and Linux." } ]
{ "group_id": "cloud_devops", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "6c2185c0-65f4-57c9-a9b7-74e38ef523b6", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-030321
0.1
0.1
{ "text": "Working knowledge of C#/.NET", "skill": "C#/.NET", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-030321-e1", "section": "experience", "source_type": "cv", "text": "Senior engineer (2019-2024): architected .NET 8 order platform across 12 services." }, { "evidence_id": "sj-v004-syn-030321-e2", "section": "summary", "source_type": "cv", "text": "Ag...
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-009746
0.1
0.1
{ "text": "Solid Redis knowledge", "skill": "Redis", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-009746-e1", "section": "experience", "source_type": "cv", "text": "Lead engineer 2018-2023: designed Redis cluster caching and rate limiting serving 100k ops/s." } ]
{ "group_id": "data_storage", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-028404
0.1
0.1
{ "text": "Production performance tuning skills", "skill": "performance tuning", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-028404-e1", "section": "experience", "source_type": "cv", "text": "Junior engineer (10 months): helped the team when it fixed N+1 queries and memory leaks, under a senior's guidance." } ]
{ "group_id": "reliability_obs", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "easy", "case_type": "below_target", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-008370
0.1
0.1
{ "text": "Commercial experience with AWS", "skill": "AWS", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-008370-e1", "section": "experience", "source_type": "cv", "text": "Lead engineer 2018-2023: designed AWS multi-account landing zone (EKS, RDS, IAM) for the company." } ]
{ "group_id": "cloud_devops", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v005-bl4-01187
0.1
0.1
{ "text": "Production Go skills", "skill": "Go", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v005-bl4-01187-e1", "section": "experience", "source_type": "cv", "text": "Drove the design: rewrote the Go ingestion service to handle 15k req/s with bounded worker pools; also set Go guidelines for the team." } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "hard", "case_type": "boundary_l4", "source": "synthetic_v005", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-018798
0.1
0.1
{ "text": "Node.js (must have)", "skill": "Node.js", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-018798-e1", "section": "experience", "source_type": "cv", "text": "Under supervision I worked on small parts while the team developed Express APIs and handled on-call issues." } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "easy", "case_type": "below_target", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-011996
0.1
0.1
{ "text": "Good understanding of accessibility", "skill": "accessibility", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-011996-e1", "section": "experience", "source_type": "cv", "text": "junior engineer (10 months): helped the team when it fixed accessibility issues reported by qa, under a senior's guidance." } ]
{ "group_id": "frontend", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "easy", "case_type": "below_target", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-028384
0.1
0.1
{ "text": "Deep Go expertise", "skill": "Go", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-028384-e1", "section": "experience", "source_type": "cv", "text": "Delivered features end-to-end where I built Go microservices and fixed production bugs." }, { "evidence_id": "sj-v004-syn-028384-e2", "section": "summary", "source_type": "cv", "text"...
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "easy", "case_type": "direct_moderate", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v008-cv-00063
0.1
0.1
{ "text": "Strong Go skills", "skill": "Go", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-00063-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Implemented multiple systems with tools like Go, C++, Bash and Python." } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "convention_v02", "source": "synthetic_v008", "split": "train", "label_status": "synthetic_convention_v0.2" }
sj-v004-real-03519
0.1
0.1
{ "text": "Proven React in production", "skill": "React", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-03519-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Developed reusable React components." } ]
{ "group_id": "frontend", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "68b0a07c-6f9f-5706-bdb9-4262e10ff225", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-022068
0.1
0.1
{ "text": "Practical accessibility experience", "skill": "accessibility", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-022068-e1", "section": "experience", "source_type": "cv", "text": "Claimed: led WCAG 2.1 AA remediation and audits." }, { "evidence_id": "sj-v004-syn-022068-e2", "section": "interview", "source_type": "interview", "text": "Interviewer: could not expl...
{ "group_id": "frontend", "evidence_label": "contradicted", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "cv_vs_interview", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-000986
0.1
0.1
{ "text": "Practical MySQL experience", "skill": "MySQL", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-000986-e1", "section": "summary", "source_type": "cv", "text": "Fast learner, team player, results-driven." } ]
{ "group_id": "data_storage", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "easy", "case_type": "vague_claim", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-018260
0.1
0.1
{ "text": "Hands-on CI/CD", "skill": "CI/CD", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-018260-e1", "section": "summary", "source_type": "cv", "text": "expert in ci/cd with 10 years of experience." }, { "evidence_id": "sj-v004-syn-018260-e2", "section": "summary", "source_type": "cv", "text": "b.sc. in computer science." } ]
{ "group_id": "cloud_devops", "evidence_label": "partial", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "claim_no_detail", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v006-c-00552
0.1
0.1
{ "text": "Experience with mentoring", "skill": "mentoring", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v006-c-00552-e1", "section": "experience", "source_type": "cv", "text": "My team mentored 6 engineers, 3 promoted, and ran the onboarding program; I only wrote some tests around it." } ]
{ "group_id": "leadership", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "contrast_partial_supported", "source": "synthetic_v006", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-00711
0.1
0.1
{ "text": "Python experience", "skill": "Python", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-00711-e1", "section": "cv_excerpt", "source_type": "cv", "text": "ISTQB-certified QA Engineer with ~4 years of experience in software testing (including manual back-end and front-end testing of the web applications, automation testing using Python, and automation testi...
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_years_hands_on", "source": "djinni_cv_en", "source_record": "2301368e-8b36-549b-8d63-14eca3c7a4d2", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0....
sj-v004-syn-022104
0.1
0.1
{ "text": "Commercial experience with AWS", "skill": "AWS", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-022104-e1", "section": "projects", "source_type": "portfolio", "text": "Personal project: followed a tutorial to try AWS on a toy app." } ]
{ "group_id": "cloud_devops", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "easy", "case_type": "toy_project", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-003095
0.1
0.1
{ "text": "Expert-level web performance", "skill": "web performance", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-003095-e1", "section": "experience", "source_type": "cv", "text": "Assisted on tasks where the team optimized bundle size with code splitting; picked tickets prepared by the lead." } ]
{ "group_id": "frontend", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "easy", "case_type": "below_target", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-001380
0.1
0.1
{ "text": "Hands-on GCP", "skill": "GCP", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-001380-e1", "section": "education", "source_type": "cv", "text": "University course project using GCP for a simple CRUD demo." }, { "evidence_id": "sj-v004-syn-001380-e2", "section": "summary", "source_type": "cv", "text": "Fluent English." } ]
{ "group_id": "cloud_devops", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "easy", "case_type": "toy_project", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-017249
0.1
0.1
{ "text": "Good understanding of distributed tracing", "skill": "distributed tracing", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-017249-e1", "section": "experience", "source_type": "cv", "text": "Backend engineer, 3 years: instrumented services with OpenTelemetry." } ]
{ "group_id": "reliability_obs", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "easy", "case_type": "direct_moderate", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v008-cv-01536
0.1
0.1
{ "text": "Experience with GraphQL", "skill": "GraphQL", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-01536-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Would like to grow into GraphQL development in the future." } ]
{ "group_id": "api_design", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "convention_v02", "source": "synthetic_v008", "split": "train", "label_status": "synthetic_convention_v0.2" }
sj-v008-cv-00986
0.1
0.1
{ "text": "Strong Kotlin skills", "skill": "Kotlin", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-00986-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Implemented multiple systems with tools like Kotlin, C++, Bash and Python." } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "convention_v02", "source": "synthetic_v008", "split": "train", "label_status": "synthetic_convention_v0.2" }
sj-v004-syn-022264
0.1
0.1
{ "text": "Good understanding of caching strategy", "skill": "caching strategy", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-022264-e1", "section": "projects", "source_type": "portfolio", "text": "Personal project: followed a tutorial to try caching strategy on a toy app." }, { "evidence_id": "sj-v004-syn-022264-e2", "section": "summary", "source_type": "cv", "text": "Base...
{ "group_id": "system_design", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "easy", "case_type": "toy_project", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-022335
0.1
0.1
{ "text": "Good understanding of TypeScript (frontend)", "skill": "TypeScript (frontend)", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-022335-e1", "section": "skills_list", "source_type": "cv", "text": "Keywords: Agile, TypeScript (frontend), Linux, REST" }, { "evidence_id": "sj-v004-syn-022335-e2", "section": "summary", "source_type": "cv", "text": "B.Sc. in Computer Science." } ...
{ "group_id": "frontend", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-025668
0.1
0.1
{ "text": "Strong hands-on scalable system design background", "skill": "scalable system design", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-025668-e1", "section": "experience", "source_type": "cv", "text": "Owned the initiative where I designed a multi-region system for 20M users with explicit consistency trade-offs, and drove scalable system design decisions for the team." }, { "evidence_id": "sj-v...
{ "group_id": "system_design", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-010667
0.1
0.1
{ "text": "Experience with secrets management", "skill": "secrets management", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-010667-e1", "section": "skills_list", "source_type": "cv", "text": "technologies: docker, secrets management, scrum, sql" }, { "evidence_id": "sj-v004-syn-010667-e2", "section": "summary", "source_type": "cv", "text": "agile/scrum teams of 5-8 people...
{ "group_id": "security", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-008241
0.1
0.1
{ "text": "Experience with Terraform", "skill": "Terraform", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-008241-e1", "section": "experience", "source_type": "cv", "text": "Main stack: Pulumi. Delivered several production projects with it." }, { "evidence_id": "sj-v004-syn-008241-e2", "section": "summary", "source_type": "cv", "text": "Looking for a prod...
{ "group_id": "cloud_devops", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "adjacent_tech", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-012538
0.1
0.1
{ "text": "Solid Python knowledge", "skill": "Python", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-012538-e1", "section": "projects", "source_type": "portfolio", "text": "Personal project: followed a tutorial to try Python on a toy app." }, { "evidence_id": "sj-v004-syn-012538-e2", "section": "summary", "source_type": "cv", "text": "Looking for a ...
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "easy", "case_type": "toy_project", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-012645
0.1
0.1
{ "text": "Production scalable system design skills", "skill": "scalable system design", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-012645-e1", "section": "summary", "source_type": "cv", "text": "Profile: 'deep scalable system design expertise', no further details given." } ]
{ "group_id": "system_design", "evidence_label": "partial", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "claim_no_detail", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-009603
0.1
0.1
{ "text": "Hands-on CI/CD", "skill": "CI/CD", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-009603-e1", "section": "skills_list", "source_type": "cv", "text": "Skills: CI/CD, Git, Jira, Agile, Linux" } ]
{ "group_id": "cloud_devops", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-030519
0.1
0.1
{ "text": "Expert-level PostgreSQL", "skill": "PostgreSQL", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-030519-e1", "section": "interview", "source_type": "interview", "text": "Interview notes: candidate stated they never used PostgreSQL." }, { "evidence_id": "sj-v004-syn-030519-e2", "section": "summary", "source_type": "cv", "text": "Also worked with ...
{ "group_id": "data_storage", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "verified_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-004231
0.1
0.1
{ "text": "Solid CI/CD knowledge", "skill": "CI/CD", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-004231-e1", "section": "experience", "source_type": "cv", "text": "As distinguished engineer I designed CI/CD with canary and automated rollback for 60 repos; I am the go-to CI/CD authority company-wide and publish on CI/CD." } ]
{ "group_id": "cloud_devops", "evidence_label": "supported", "proficiency_label": "5" }
{ "difficulty": "easy", "case_type": "expert", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-008470
0.1
0.1
{ "text": "Deep Java expertise", "skill": "Java", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-008470-e1", "section": "experience", "source_type": "cv", "text": "Under supervision I worked on small parts while the team owned Spring Boot services end-to-end." } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "easy", "case_type": "below_target", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-006589
0.1
0.1
{ "text": "Strong database migrations skills", "skill": "database migrations", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-006589-e1", "section": "experience", "source_type": "cv", "text": "Resume claims they led zero-downtime migration of 200 tables to a new schema." }, { "evidence_id": "sj-v004-syn-006589-e2", "section": "interview", "source_type": "interview", "text":...
{ "group_id": "data_storage", "evidence_label": "contradicted", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "cv_vs_interview", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }