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sj-v004-syn-014785
0.1
0.1
{ "text": "Strong distributed consistency skills", "skill": "distributed consistency", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-014785-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-05027
0.1
0.1
{ "text": "Python experience", "skill": "Python", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-05027-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Create automation framework from scratch. About 2 years of work experience. Good knowledge of concepts, activities and deliverables in software testing, and its place in software development life cycle."...
{ "group_id": "lang_core", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "5e1c9c5d-6d95-507d-b3f2-f59007e50f27", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-syn-013678
0.1
0.1
{ "text": "Expert-level MongoDB", "skill": "MongoDB", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-013678-e1", "section": "summary", "source_type": "cv", "text": "Haven't worked with MongoDB; my background is elsewhere." } ]
{ "group_id": "data_storage", "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-008386
0.1
0.1
{ "text": "unit testing (must have)", "skill": "unit testing", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-008386-e1", "section": "skills_list", "source_type": "cv", "text": "Skills: unit testing, Git, Jira, Agile, Linux" } ]
{ "group_id": "testing_quality", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v006-c-01795
0.1
0.1
{ "text": "Strong OpenAPI skills", "skill": "OpenAPI", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v006-c-01795-e1", "section": "experience", "source_type": "cv", "text": "Six months of junior experience where I helped as the team wrote OpenAPI specs for team services." } ]
{ "group_id": "api_design", "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-syn-010408
0.1
0.1
{ "text": "Proven C#/.NET in production", "skill": "C#/.NET", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-010408-e1", "section": "experience", "source_type": "cv", "text": "Software engineer (2021-2024): maintained ASP.NET Core APIs." } ]
{ "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-v004-syn-001389
0.1
0.1
{ "text": "Commercial experience with technical design docs", "skill": "technical design docs", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-001389-e1", "section": "experience", "source_type": "cv", "text": "Mid-level developer: wrote design docs for team features; shipped to production regularly." } ]
{ "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-009776
0.1
0.1
{ "text": "Solid React knowledge", "skill": "React", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-009776-e1", "section": "summary", "source_type": "cv", "text": "I have not used React professionally or in projects; my experience is in other areas." } ]
{ "group_id": "frontend", "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-015017
0.1
0.1
{ "text": "Deep ownership expertise", "skill": "ownership", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-015017-e1", "section": "experience", "source_type": "cv", "text": "The platform team owned the payments domain end-to-end including roadmap and on-call. I joined late and handled minor tasks." } ]
{ "group_id": "leadership", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "team_credit", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-06602
0.1
0.1
{ "text": "Strong PostgreSQL skills", "skill": "PostgreSQL", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-06602-e1", "section": "cv_excerpt", "source_type": "cv", "text": "As Project Manager with vast experience in CAPEX projects, data analysis, and statistical work is a highly skilled professional capable of managing complex projects with financial investments and data an...
{ "group_id": "data_storage", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "4ecaf33b-96ae-5c3d-a317-0838732e918c", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-syn-013945
0.1
0.1
{ "text": "Proven performance tuning in production", "skill": "performance tuning", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-013945-e1", "section": "interview", "source_type": "interview", "text": "Candidate confirmed they have never worked with performance tuning." }, { "evidence_id": "sj-v004-syn-013945-e2", "section": "summary", "source_type": "cv", "text": "Also worked...
{ "group_id": "reliability_obs", "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-00792
0.1
0.1
{ "text": "Strong caching strategy skills", "skill": "caching strategy", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v006-c-00792-e1", "section": "experience", "source_type": "cv", "text": "Built a small caching strategy demo app following an online tutorial." } ]
{ "group_id": "system_design", "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-002016
0.1
0.1
{ "text": "Commercial experience with technical design docs", "skill": "technical design docs", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-002016-e1", "section": "experience", "source_type": "cv", "text": "Our squad authored RFCs that set architecture direction for the org; I mainly fixed bugs and wrote docs." } ]
{ "group_id": "leadership", "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-003169
0.1
0.1
{ "text": "Hands-on Go", "skill": "Go", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-003169-e1", "section": "experience", "source_type": "cv", "text": "Backend engineer, 3 years: built Go microservices and fixed production bugs." } ]
{ "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-v004-syn-020650
0.1
0.1
{ "text": "Strong OAuth2/OIDC skills", "skill": "OAuth2/OIDC", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-020650-e1", "section": "experience", "source_type": "cv", "text": "Owned the initiative where I designed SSO with OIDC and token exchange across 10 products, and drove OAuth2/OIDC decisions for the team." } ]
{ "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-real-03834
0.1
0.1
{ "text": "Node.js experience", "skill": "Node.js", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-03834-e1", "section": "cv_excerpt", "source_type": "cv", "text": "I am React developer, and at the same time I'm learning node.js." } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "a1e04d72-9a8e-5f58-9648-635880af6730", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-004970
0.1
0.1
{ "text": "Expert-level Kubernetes", "skill": "Kubernetes", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-004970-e1", "section": "summary", "source_type": "cv", "text": "Kubernetes: none so far." } ]
{ "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-real-05033
0.1
0.1
{ "text": "Strong CI/CD skills", "skill": "CI/CD", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-05033-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Six years of experience in banking Experience in customer support Practical experience in business automation without code / low-code." } ]
{ "group_id": "cloud_devops", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "fe1c7fbe-604d-5901-b4a1-0b29e49f697a", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-syn-007462
0.1
0.1
{ "text": "Experience with scalable system design", "skill": "scalable system design", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-007462-e1", "section": "experience", "source_type": "cv", "text": "Independently designed a single service including data model and failure modes; on-call owner for it." } ]
{ "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-real-02147
0.1
0.1
{ "text": "Strong React skills", "skill": "React", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-02147-e1", "section": "cv_excerpt", "source_type": "cv", "text": "I also developed interfaces on react - created an admin panel for managing the game room in real time (creating rooms, editing them, managing them, game history, etc.) and player's personal account." }...
{ "group_id": "frontend", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "f102b785-fc9b-55b9-9f9d-ea34b25ea9ee", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": "v0.2" }
sj-v004-syn-024616
0.1
0.1
{ "text": "Experience with Python", "skill": "Python", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-024616-e1", "section": "experience", "source_type": "cv", "text": "Claimed: architected an async Python (FastAPI) platform serving 30 internal teams." }, { "evidence_id": "sj-v004-syn-024616-e2", "section": "interview", "source_type": "interview", "t...
{ "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-008559
0.1
0.1
{ "text": "Expert-level Node.js", "skill": "Node.js", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-008559-e1", "section": "interview", "source_type": "interview", "text": "Interviewer: zero Node.js exposure confirmed by candidate." }, { "evidence_id": "sj-v004-syn-008559-e2", "section": "summary", "source_type": "cv", "text": "Agile/Scrum teams of...
{ "group_id": "lang_core", "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-019808
0.1
0.1
{ "text": "Strong hands-on static analysis background", "skill": "static analysis", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-019808-e1", "section": "experience", "source_type": "cv", "text": "technical writer producing api documentation." } ]
{ "group_id": "testing_quality", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "missing_skill", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v005-bl4-01134
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-v005-bl4-01134-e1", "section": "experience", "source_type": "cv", "text": "Key result as tech lead: ran secure coding program and threat modeling for all new services." } ]
{ "group_id": "security", "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-025336
0.1
0.1
{ "text": "Hands-on integration testing", "skill": "integration testing", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-025336-e1", "section": "summary", "source_type": "cv", "text": "Haven't worked with integration testing; my background is elsewhere." } ]
{ "group_id": "testing_quality", "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-002496
0.1
0.1
{ "text": "Solid mentoring knowledge", "skill": "mentoring", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-002496-e1", "section": "summary", "source_type": "cv", "text": "Self-motivated developer who enjoys challenges." } ]
{ "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-018190
0.1
0.1
{ "text": "Expert-level mentoring", "skill": "mentoring", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-018190-e1", "section": "experience", "source_type": "cv", "text": "Team member on the payments squad (2021-2024)." } ]
{ "group_id": "leadership", "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-008968
0.1
0.1
{ "text": "Expert-level React", "skill": "React", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-008968-e1", "section": "skills_list", "source_type": "cv", "text": "Skills: React, Git, Jira, Agile, Linux" }, { "evidence_id": "sj-v004-syn-008968-e2", "section": "summary", "source_type": "cv", "text": "Looking for a product company." } ]
{ "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-012116
0.1
0.1
{ "text": "Commercial experience with TypeScript (frontend)", "skill": "TypeScript (frontend)", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-012116-e1", "section": "experience", "source_type": "cv", "text": "Owned the initiative where I led migration of 300k-line JS frontend to strict TypeScript, and drove TypeScript (frontend) decisions for the team." } ]
{ "group_id": "frontend", "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-006421
0.1
0.1
{ "text": "Solid API versioning knowledge", "skill": "API versioning", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-006421-e1", "section": "experience", "source_type": "cv", "text": "Claimed: created deprecation and versioning policy adopted company-wide." }, { "evidence_id": "sj-v004-syn-006421-e2", "section": "interview", "source_type": "interview", "text": "Int...
{ "group_id": "api_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-real-05844
0.1
0.1
{ "text": "Strong Elasticsearch skills", "skill": "Elasticsearch", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-05844-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Implementation of new projects based on PL/SQL and Apex technology. Creaitng wiki about sytems. Business Systems analyst in automotive industry domain." } ]
{ "group_id": "data_storage", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "e9ceee35-1288-5bf3-9670-d51dd15a5b43", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-syn-007352
0.1
0.1
{ "text": "Working knowledge of OpenAPI", "skill": "OpenAPI", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-007352-e1", "section": "experience", "source_type": "cv", "text": "As distinguished engineer I introduced contract-first OpenAPI workflow with generated SDKs; I am the go-to OpenAPI authority company-wide and publish on OpenAPI." }, { "evidence_id": "sj-v004-syn...
{ "group_id": "api_design", "evidence_label": "supported", "proficiency_label": "5" }
{ "difficulty": "easy", "case_type": "expert", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v008-cv-00995
0.1
0.1
{ "text": "Production mentoring skills", "skill": "mentoring", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-00995-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Took part in a logistics app project built on mentoring." } ]
{ "group_id": "leadership", "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-real-03579
0.1
0.1
{ "text": "Python experience", "skill": "Python", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-03579-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Created projects with Python, using beautiful soup, sqlite3, aiogram, liqpay." } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "38c90101-90e3-5a5f-9dc1-ae388cd2d125", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-real-00992
0.1
0.1
{ "text": "Java experience", "skill": "Java", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-00992-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Technologies: Java, Selenium, maven" } ]
{ "group_id": "lang_core", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_keyword_list", "source": "djinni_cv_en", "source_record": "7cbda237-1818-57d6-8c6a-cb3268f37f6c", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2"...
sj-v004-syn-006968
0.1
0.1
{ "text": "MySQL (must have)", "skill": "MySQL", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-006968-e1", "section": "experience", "source_type": "cv", "text": "Bootcamp assignment: basic MySQL exercise." }, { "evidence_id": "sj-v004-syn-006968-e2", "section": "summary", "source_type": "cv", "text": "Agile/Scrum teams of 5-8 people." } ]
{ "group_id": "data_storage", "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-025969
0.1
0.1
{ "text": "Working knowledge of database migrations", "skill": "database migrations", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-025969-e1", "section": "experience", "source_type": "cv", "text": "Fellow-level engineer: led zero-downtime migration of 200 tables to a new schema. Wrote the internal database migrations handbook and teach database migrations externally." } ]
{ "group_id": "data_storage", "evidence_label": "supported", "proficiency_label": "5" }
{ "difficulty": "easy", "case_type": "expert", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v008-cv-01481
0.1
0.1
{ "text": "Strong static analysis skills", "skill": "static analysis", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-01481-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Ran a static analysis study group for university students for a semester." } ]
{ "group_id": "testing_quality", "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-005606
0.1
0.1
{ "text": "Solid Redis knowledge", "skill": "Redis", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-005606-e1", "section": "experience", "source_type": "cv", "text": "4 years of production work with Memcached (not Redis)." }, { "evidence_id": "sj-v004-syn-005606-e2", "section": "summary", "source_type": "cv", "text": "B.Sc. in Computer Science." ...
{ "group_id": "data_storage", "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-025315
0.1
0.1
{ "text": "Strong C#/.NET skills", "skill": "C#/.NET", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-025315-e1", "section": "experience", "source_type": "cv", "text": "Assisted on tasks where the team maintained ASP.NET Core APIs; picked tickets prepared by the lead." } ]
{ "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-006296
0.1
0.1
{ "text": "Strong hands-on Node.js background", "skill": "Node.js", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-006296-e1", "section": "experience", "source_type": "cv", "text": "Backend engineer, 3 years: developed Express APIs and handled on-call issues." } ]
{ "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-v006-c-01754
0.1
0.1
{ "text": "Hands-on encryption", "skill": "encryption", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v006-c-01754-e1", "section": "experience", "source_type": "cv", "text": "Freelance: delivered several client projects where I enabled TLS and field encryption for user data." } ]
{ "group_id": "security", "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-009669
0.1
0.1
{ "text": "Deep event-driven architecture expertise", "skill": "event-driven architecture", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-009669-e1", "section": "summary", "source_type": "cv", "text": "No hands-on event-driven architecture experience yet; planning to learn it." } ]
{ "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-syn-001483
0.1
0.1
{ "text": "Strong authorization (RBAC) skills", "skill": "authorization (RBAC)", "group_id": "security", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-001483-e1", "section": "summary", "source_type": "cv", "text": "Detail-oriented professional with great communication skills." } ]
{ "group_id": "security", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "easy", "case_type": "vague_claim", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-02966
0.1
0.1
{ "text": "Go experience", "skill": "Go", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-02966-e1", "section": "cv_excerpt", "source_type": "cv", "text": "I have over 6 years of marketing experience, during which I have created go-to-market strategies and led marketing and development teams in the launch of new products in the US and EU markets." } ]
{ "group_id": "lang_core", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_years_hands_on", "source": "djinni_cv_en", "source_record": "5c7c7dbe-9828-5c2c-9076-7a8155c8ccb7", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0....
sj-v004-syn-002668
0.1
0.1
{ "text": "Expert-level Kubernetes", "skill": "Kubernetes", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-002668-e1", "section": "experience", "source_type": "cv", "text": "Owned the initiative where I designed multi-cluster Kubernetes platform with autoscaling and GitOps for 40 services, and drove Kubernetes decisions for the team." } ]
{ "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-v004-syn-024119
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-024119-e1", "section": "experience", "source_type": "cv", "text": "as distinguished engineer i built testcontainers-based integration test framework adopted by 10 teams; i am the go-to integration testing authority company-wide and publish on integration testing." } ]
{ "group_id": "testing_quality", "evidence_label": "supported", "proficiency_label": "5" }
{ "difficulty": "easy", "case_type": "expert", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-012055
0.1
0.1
{ "text": "Production distributed tracing skills", "skill": "distributed tracing", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-012055-e1", "section": "skills_list", "source_type": "cv", "text": "Tools: Git, distributed tracing, Docker, Postman, Jira" }, { "evidence_id": "sj-v004-syn-012055-e2", "section": "summary", "source_type": "cv", "text": "Also worked with Git and Jira...
{ "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-024502
0.1
0.1
{ "text": "Working knowledge of OpenAPI", "skill": "OpenAPI", "group_id": "api_design", "target_level": 4, "importance": "must" }
[]
{ "group_id": "api_design", "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-014994
0.1
0.1
{ "text": "Commercial experience with C#/.NET", "skill": "C#/.NET", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-014994-e1", "section": "experience", "source_type": "cv", "text": "junior engineer (10 months): helped the team when it maintained asp.net core apis, under a senior's guidance." }, { "evidence_id": "sj-v004-syn-014994-e2", "section": "summary", "source_t...
{ "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-real-06329
0.1
0.1
{ "text": "Strong C#/.NET skills", "skill": "C#/.NET", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-06329-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Most of the time I worked on projects from scratch. My main stack was creating apps from Figma design with the help of React +MobX or Redux with Axios and different libs for styling (MUI, Styled Componen...
{ "group_id": "lang_core", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "1f70531b-7342-5dc6-a7d0-3a595ce64133", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-syn-012716
0.1
0.1
{ "text": "Practical scalable system design experience", "skill": "scalable system design", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-012716-e1", "section": "experience", "source_type": "cv", "text": "Lead engineer 2018-2023: designed a multi-region system for 20M users with explicit consistency trade-offs." } ]
{ "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-010563
0.1
0.1
{ "text": "Strong hands-on React background", "skill": "React", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-010563-e1", "section": "experience", "source_type": "cv", "text": "Trainee developer; shadowed seniors who built React + TypeScript pages shipped to users." } ]
{ "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-005963
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-005963-e1", "section": "experience", "source_type": "cv", "text": "Mid-level developer: maintained ASP.NET Core APIs; shipped to production regularly." }, { "evidence_id": "sj-v004-syn-005963-e2", "section": "summary", "source_type": "cv", "text": "B...
{ "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-v004-syn-020785
0.1
0.1
{ "text": "Solid React knowledge", "skill": "React", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-020785-e1", "section": "experience", "source_type": "cv", "text": "owned the initiative where i architected react micro-frontend platform for 6 teams, and drove react decisions for the team." }, { "evidence_id": "sj-v004-syn-020785-e2", "section": "summary",...
{ "group_id": "frontend", "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-006801
0.1
0.1
{ "text": "Working knowledge of REST API design", "skill": "REST API design", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-006801-e1", "section": "skills_list", "source_type": "cv", "text": "skills: rest api design, git, jira, agile, linux" } ]
{ "group_id": "api_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-syn-009882
0.1
0.1
{ "text": "Production Kafka skills", "skill": "Kafka", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-009882-e1", "section": "experience", "source_type": "cv", "text": "3 years: built production systems with RabbitMQ, a close alternative to Kafka." } ]
{ "group_id": "system_design", "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-003447
0.1
0.1
{ "text": "Good understanding of caching strategy", "skill": "caching strategy", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-003447-e1", "section": "summary", "source_type": "cv", "text": "Profile: 'deep caching strategy 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-v006-c-00333
0.1
0.1
{ "text": "Strong web performance skills", "skill": "web performance", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v006-c-00333-e1", "section": "experience", "source_type": "cv", "text": "Used web performance on a small internal tool with help from a senior colleague." } ]
{ "group_id": "frontend", "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-syn-009124
0.1
0.1
{ "text": "Experience with TypeScript (frontend)", "skill": "TypeScript (frontend)", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-009124-e1", "section": "projects", "source_type": "portfolio", "text": "case study: led migration of 300k-line js frontend to strict typescript. includes architecture diagrams and benchmark results." }, { "evidence_id": "sj-v004-syn-009124-e2", "section": "s...
{ "group_id": "frontend", "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-007524
0.1
0.1
{ "text": "technical design docs (must have)", "skill": "technical design docs", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-007524-e1", "section": "experience", "source_type": "cv", "text": "cv: authored rfcs that set architecture direction for the org." }, { "evidence_id": "sj-v004-syn-007524-e2", "section": "interview", "source_type": "interview", "text": "interview: ca...
{ "group_id": "leadership", "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-012281
0.1
0.1
{ "text": "Expert-level Rust", "skill": "Rust", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-012281-e1", "section": "experience", "source_type": "cv", "text": "tech lead who implemented a rust log shipper replacing logstash, 10x lower cpu, and mentored the team on rust practices." } ]
{ "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-02304
0.1
0.1
{ "text": "Proven Node.js in production", "skill": "Node.js", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-02304-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Technologies: Angular, Bootstrap, NG Bootstrap, Bootstrap, NodeJS, MongoDB" } ]
{ "group_id": "lang_core", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_keyword_list", "source": "djinni_cv_en", "source_record": "d71a75f6-277f-5a9b-9f97-adea8f630153", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2"...
sj-v004-syn-022703
0.1
0.1
{ "text": "Expert-level technical design docs", "skill": "technical design docs", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-022703-e1", "section": "experience", "source_type": "cv", "text": "Day to day I wrote design docs for team features on my own." } ]
{ "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-v008-cv-00696
0.1
0.1
{ "text": "Hands-on Docker", "skill": "Docker", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-00696-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Implemented multiple systems with tools like Docker, 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-004170
0.1
0.1
{ "text": "Practical React experience", "skill": "React", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-004170-e1", "section": "interview", "source_type": "interview", "text": "Candidate confirmed they have never worked with React." }, { "evidence_id": "sj-v004-syn-004170-e2", "section": "summary", "source_type": "cv", "text": "Fluent English." } ]
{ "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-v005-bl3-00408
0.1
0.1
{ "text": "Experience with SLO/SLI", "skill": "SLO/SLI", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v005-bl3-00408-e1", "section": "experience", "source_type": "cv", "text": "Over 3 years I defined SLIs for team services; feature owner, no design ownership." } ]
{ "group_id": "reliability_obs", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "boundary_l3", "source": "synthetic_v005", "split": "train", "label_status": "synthetic_needs_review" }
sj-v005-bl3-00525
0.1
0.1
{ "text": "Production cross-team leadership skills", "skill": "cross-team leadership", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v005-bl3-00525-e1", "section": "experience", "source_type": "cv", "text": "Regular contributor: coordinated with one partner team on integration across several releases." } ]
{ "group_id": "leadership", "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-026612
0.1
0.1
{ "text": "monitoring (must have)", "skill": "monitoring", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-026612-e1", "section": "experience", "source_type": "cv", "text": "Independently created dashboards and alerts for services; on-call owner for it." } ]
{ "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-v004-syn-009378
0.1
0.1
{ "text": "Commercial experience with Kafka", "skill": "Kafka", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-009378-e1", "section": "experience", "source_type": "cv", "text": "Under supervision I worked on small parts while the team built Kafka producers and consumers with retries." }, { "evidence_id": "sj-v004-syn-009378-e2", "section": "summary", "source_type...
{ "group_id": "system_design", "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-008482
0.1
0.1
{ "text": "TypeScript (frontend) (must have)", "skill": "TypeScript (frontend)", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-008482-e1", "section": "summary", "source_type": "cv", "text": "TypeScript (frontend): none so far." }, { "evidence_id": "sj-v004-syn-008482-e2", "section": "summary", "source_type": "cv", "text": "B.Sc. in Computer Science." } ]
{ "group_id": "frontend", "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-023804
0.1
0.1
{ "text": "Strong CI/CD skills", "skill": "CI/CD", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-023804-e1", "section": "experience", "source_type": "cv", "text": "Our team designed CI/CD with canary and automated rollback for 60 repos. My contribution: tests and documentation." } ]
{ "group_id": "cloud_devops", "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-023674
0.1
0.1
{ "text": "Experience with CI/CD", "skill": "CI/CD", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-023674-e1", "section": "summary", "source_type": "cv", "text": "Haven't worked with CI/CD; my background is elsewhere." } ]
{ "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-v008-cv-01804
0.1
0.1
{ "text": "Experience with API versioning", "skill": "API versioning", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-01804-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Completed an online API versioning course with a certificate." } ]
{ "group_id": "api_design", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "convention_v02", "source": "synthetic_v008", "split": "train", "label_status": "synthetic_convention_v0.2" }
sj-v004-real-01963
0.1
0.1
{ "text": "Strong Node.js skills", "skill": "Node.js", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-01963-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Stack: HTML, CSS, Typescript, Webpack, React (Vue), Redux (Vuex), Styled components, Git, React native, Meteor, Node JS, different React libraries and etc." } ]
{ "group_id": "lang_core", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_keyword_list", "source": "djinni_cv_en", "source_record": "973e028a-de33-58ab-9bef-cf54dae89ec8", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2"...
sj-v004-real-00353
0.1
0.1
{ "text": "Strong Python skills", "skill": "Python", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-00353-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Tech stack: C++, Boost, Objective-C, Python, Jenkins, CMake, Git, Metal." } ]
{ "group_id": "lang_core", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_keyword_list", "source": "djinni_cv_en", "source_record": "91973dcc-be4c-524c-9a2a-c6f8114f630a", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2"...
sj-v006-c-00711
0.1
0.1
{ "text": "Production technical design docs skills", "skill": "technical design docs", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v006-c-00711-e1", "section": "experience", "source_type": "cv", "text": "University coursework included a technical design docs assignment." } ]
{ "group_id": "leadership", "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-029658
0.1
0.1
{ "text": "Hands-on GraphQL", "skill": "GraphQL", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-029658-e1", "section": "summary", "source_type": "cv", "text": "no hands-on graphql experience yet; planning to learn it." } ]
{ "group_id": "api_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-00004
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-00004-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Also I'm learning Python , I've made a project Blog Site, and managed project ecommerce platform." } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "f73ec653-1624-55be-98ff-f3c5c42cac40", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-real-04323
0.1
0.1
{ "text": "Strong Kafka skills", "skill": "Kafka", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-04323-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Familiar with config Kafka" } ]
{ "group_id": "system_design", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "efa1d1b5-49bb-5672-9789-18e11b523396", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": "v0.2" }
sj-v008-cv-00792
0.1
0.1
{ "text": "Proven ownership in production", "skill": "ownership", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-00792-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Built various applications with ownership, Java, Go and SQL." } ]
{ "group_id": "leadership", "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-010549
0.1
0.1
{ "text": "Production AWS skills", "skill": "AWS", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-010549-e1", "section": "summary", "source_type": "cv", "text": "haven't worked with aws; my background is elsewhere." }, { "evidence_id": "sj-v004-syn-010549-e2", "section": "summary", "source_type": "cv", "text": "based in europe, open to remote." ...
{ "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-027852
0.1
0.1
{ "text": "Strong gRPC skills", "skill": "gRPC", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-027852-e1", "section": "experience", "source_type": "cv", "text": "Intern then junior: with help from the lead, I contributed while the team implemented gRPC services with deadlines and retries." }, { "evidence_id": "sj-v004-syn-027852-e2", "section": "summa...
{ "group_id": "api_design", "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-008293
0.1
0.1
{ "text": "Commercial experience with unit testing", "skill": "unit testing", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-008293-e1", "section": "projects", "source_type": "portfolio", "text": "Personal project: followed a tutorial to try unit testing on a toy app." } ]
{ "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-v004-syn-009655
0.1
0.1
{ "text": "Strong hands-on state management background", "skill": "state management", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-009655-e1", "section": "experience", "source_type": "cv", "text": "Lead engineer 2018-2023: designed client state architecture with Redux Toolkit and React Query." }, { "evidence_id": "sj-v004-syn-009655-e2", "section": "summary", "source_type": "cv", ...
{ "group_id": "frontend", "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-003680
0.1
0.1
{ "text": "Hands-on AWS", "skill": "AWS", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-003680-e1", "section": "interview", "source_type": "interview", "text": "Candidate confirmed they have never worked with AWS." } ]
{ "group_id": "cloud_devops", "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-00875
0.1
0.1
{ "text": "Proven SLO/SLI in production", "skill": "SLO/SLI", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-00875-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Would like to grow into SLO/SLI development in the future." } ]
{ "group_id": "reliability_obs", "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-01274
0.1
0.1
{ "text": "Commercial Kubernetes experience", "skill": "Kubernetes", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-01274-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Built various applications with Kubernetes, Java, Go and SQL." } ]
{ "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-022808
0.1
0.1
{ "text": "C#/.NET experience", "skill": "C#/.NET", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-022808-e1", "section": "experience", "source_type": "cv", "text": "For 2.5 years I maintained ASP.NET Core APIs as the main developer of the service." }, { "evidence_id": "sj-v004-syn-022808-e2", "section": "summary", "source_type": "cv", "text": "Al...
{ "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-v004-syn-017449
0.1
0.1
{ "text": "Working knowledge of cross-team leadership", "skill": "cross-team leadership", "group_id": "leadership", "target_level": 3, "importance": "must" }
[]
{ "group_id": "leadership", "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-014471
0.1
0.1
{ "text": "accessibility (must have)", "skill": "accessibility", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-014471-e1", "section": "summary", "source_type": "cv", "text": "Expert in accessibility with 10 years of experience." } ]
{ "group_id": "frontend", "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-014535
0.1
0.1
{ "text": "Strong hands-on SLO/SLI background", "skill": "SLO/SLI", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-014535-e1", "section": "experience", "source_type": "cv", "text": "did a slo/sli tutorial and a hello-world app on github." }, { "evidence_id": "sj-v004-syn-014535-e2", "section": "summary", "source_type": "cv", "text": "also worked with git and jira...
{ "group_id": "reliability_obs", "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-013552
0.1
0.1
{ "text": "Expert-level API versioning", "skill": "API versioning", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-013552-e1", "section": "experience", "source_type": "cv", "text": "Independently shipped v2 of an internal API with backward compatibility; on-call owner for it." } ]
{ "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-008833
0.1
0.1
{ "text": "Proven authorization (RBAC) in production", "skill": "authorization (RBAC)", "group_id": "security", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-008833-e1", "section": "skills_list", "source_type": "cv", "text": "tools: git, authorization (rbac), docker, postman, jira" }, { "evidence_id": "sj-v004-syn-008833-e2", "section": "summary", "source_type": "cv", "text": "b.sc. in computer science." ...
{ "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-002818
0.1
0.1
{ "text": "Practical incident response experience", "skill": "incident response", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-002818-e1", "section": "skills_list", "source_type": "cv", "text": "Keywords: Agile, incident response, Linux, REST" }, { "evidence_id": "sj-v004-syn-002818-e2", "section": "summary", "source_type": "cv", "text": "Fluent English." } ]
{ "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-011264
0.1
0.1
{ "text": "Production encryption skills", "skill": "encryption", "group_id": "security", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-011264-e1", "section": "experience", "source_type": "cv", "text": "resume claims they designed envelope encryption with kms for pii at rest." }, { "evidence_id": "sj-v004-syn-011264-e2", "section": "interview", "source_type": "interview", "text": "in...
{ "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-v004-syn-017711
0.1
0.1
{ "text": "Strong hands-on OpenAPI background", "skill": "OpenAPI", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-017711-e1", "section": "experience", "source_type": "cv", "text": "Independently wrote OpenAPI specs for team services; on-call owner for it." } ]
{ "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-010411
0.1
0.1
{ "text": "Expert-level Redis", "skill": "Redis", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-010411-e1", "section": "experience", "source_type": "cv", "text": "Our team designed Redis cluster caching and rate limiting serving 100k ops/s. My contribution: tests and documentation." } ]
{ "group_id": "data_storage", "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-005241
0.1
0.1
{ "text": "Production database migrations skills", "skill": "database migrations", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-005241-e1", "section": "experience", "source_type": "cv", "text": "Principal engineer: led zero-downtime migration of 200 tables to a new schema; recognized as database migrations authority and gave conference talks on it." } ]
{ "group_id": "data_storage", "evidence_label": "supported", "proficiency_label": "5" }
{ "difficulty": "easy", "case_type": "expert", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-012358
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-012358-e1", "section": "projects", "source_type": "portfolio", "text": "Case study: introduced contract-first OpenAPI workflow with generated SDKs. Includes architecture diagrams and benchmark results." } ]
{ "group_id": "api_design", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }