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sj-v006-c-00607
0.1
0.1
{ "text": "Hands-on SLO/SLI", "skill": "SLO/SLI", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v006-c-00607-e1", "section": "experience", "source_type": "cv", "text": "Built and operated SLO/SLI components in production for 2+ years: defined SLIs for team services." } ]
{ "group_id": "reliability_obs", "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-real-03761
0.1
0.1
{ "text": "Proven C#/.NET in production", "skill": "C#/.NET", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-03761-e1", "section": "cv_excerpt", "source_type": "cv", "text": "15 years of developing experience with C# .NET platform (ASP.NET, Web API, WinForms, Entity Framework, LINQ) and T-SQL." } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_years_hands_on", "source": "djinni_cv_en", "source_record": "5ae7eab5-c843-596b-9548-cf73814ca7f6", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": "v...
sj-v004-syn-029078
0.1
0.1
{ "text": "Working knowledge of static analysis", "skill": "static analysis", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-029078-e1", "section": "experience", "source_type": "cv", "text": "Tech lead who introduced SonarQube and custom lint rules gating all merges, and mentored the team on static analysis practices." }, { "evidence_id": "sj-v004-syn-029078-e2", "section": "summa...
{ "group_id": "testing_quality", "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-020283
0.1
0.1
{ "text": "Commercial experience with microservices", "skill": "microservices", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-020283-e1", "section": "experience", "source_type": "cv", "text": "Software engineer (2021-2024): built and operated two microservices." } ]
{ "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-030145
0.1
0.1
{ "text": "Strong hands-on gRPC background", "skill": "gRPC", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-030145-e1", "section": "summary", "source_type": "cv", "text": "Self-motivated developer who enjoys challenges." } ]
{ "group_id": "api_design", "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-027760
0.1
0.1
{ "text": "Proven ownership in production", "skill": "ownership", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-027760-e1", "section": "experience", "source_type": "cv", "text": "Owned the initiative where I owned the payments domain end-to-end including roadmap and on-call, and drove ownership decisions for the team." }, { "evidence_id": "sj-v004-syn-027760-e2", "sec...
{ "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-001834
0.1
0.1
{ "text": "Working knowledge of database migrations", "skill": "database migrations", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-001834-e1", "section": "projects", "source_type": "portfolio", "text": "Case study: led zero-downtime migration of 200 tables to a new schema. Includes architecture diagrams and benchmark results." } ]
{ "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-v006-c-00860
0.1
0.1
{ "text": "Hands-on code review", "skill": "code review", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v006-c-00860-e1", "section": "experience", "source_type": "cv", "text": "Built a small code review 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-002067
0.1
0.1
{ "text": "Working knowledge of secrets management", "skill": "secrets management", "group_id": "security", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-002067-e1", "section": "experience", "source_type": "cv", "text": "independently used aws secrets manager in services; on-call owner for it." }, { "evidence_id": "sj-v004-syn-002067-e2", "section": "summary", "source_type": "cv", "text": "also worked...
{ "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-008924
0.1
0.1
{ "text": "Expert-level Java", "skill": "Java", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-008924-e1", "section": "skills_list", "source_type": "cv", "text": "Skills: Java, Git, Jira, Agile, Linux" } ]
{ "group_id": "lang_core", "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-013047
0.1
0.1
{ "text": "Experience with OpenAPI", "skill": "OpenAPI", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-013047-e1", "section": "experience", "source_type": "cv", "text": "Trainee developer; shadowed seniors who wrote OpenAPI specs for team services." }, { "evidence_id": "sj-v004-syn-013047-e2", "section": "summary", "source_type": "cv", "text": "B.Sc. ...
{ "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-015209
0.1
0.1
{ "text": "Practical REST API design experience", "skill": "REST API design", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-015209-e1", "section": "experience", "source_type": "cv", "text": "For 2.5 years I built REST endpoints with validation and pagination as the main developer of the service." }, { "evidence_id": "sj-v004-syn-015209-e2", "section": "summary", "source_type"...
{ "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-001145
0.1
0.1
{ "text": "Commercial experience with Python", "skill": "Python", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-001145-e1", "section": "experience", "source_type": "cv", "text": "Was part of a team that architected an async Python (FastAPI) platform serving 30 internal teams; I worked on smaller tickets around it." }, { "evidence_id": "sj-v004-syn-001145-e2", "section...
{ "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-v001-0020
0.1
0.1
{ "text": "Microservices architecture experience", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v001-0020-e1", "section": "experience", "source_type": "cv", "text": "Worked on a team that migrated a monolith to microservices; implemented the notification service." } ]
{ "group_id": "system_design", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "team_credit", "role": "backend_fullstack", "source": "handwritten_v001", "label_status": "draft_needs_expert_review", "split": "train" }
sj-v004-syn-028669
0.1
0.1
{ "text": "Deep MongoDB expertise", "skill": "MongoDB", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-028669-e1", "section": "experience", "source_type": "cv", "text": "Trainee developer; shadowed seniors who built MongoDB aggregations for reporting." }, { "evidence_id": "sj-v004-syn-028669-e2", "section": "summary", "source_type": "cv", "text": "Flu...
{ "group_id": "data_storage", "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-022834
0.1
0.1
{ "text": "Production gRPC skills", "skill": "gRPC", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-022834-e1", "section": "skills_list", "source_type": "cv", "text": "Skills: gRPC, 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-003161
0.1
0.1
{ "text": "Solid Node.js knowledge", "skill": "Node.js", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-003161-e1", "section": "experience", "source_type": "cv", "text": "Trainee developer; shadowed seniors who 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-v006-c-01405
0.1
0.1
{ "text": "Strong Redis skills", "skill": "Redis", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v006-c-01405-e1", "section": "experience", "source_type": "cv", "text": "I personally designed Redis cluster caching and rate limiting serving 100k ops/s." } ]
{ "group_id": "data_storage", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "hard", "case_type": "contrast_partial_supported", "source": "synthetic_v006", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-028150
0.1
0.1
{ "text": "Expert-level OAuth2/OIDC", "skill": "OAuth2/OIDC", "group_id": "security", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-028150-e1", "section": "experience", "source_type": "cv", "text": "trainee developer; shadowed seniors who implemented oauth2 login and token refresh." }, { "evidence_id": "sj-v004-syn-028150-e2", "section": "summary", "source_type": "cv", "text": "a...
{ "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-v004-syn-001762
0.1
0.1
{ "text": "Practical Java experience", "skill": "Java", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-001762-e1", "section": "summary", "source_type": "cv", "text": "Detail-oriented professional with great communication skills." } ]
{ "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-013978
0.1
0.1
{ "text": "Deep GCP expertise", "skill": "GCP", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-013978-e1", "section": "skills_list", "source_type": "cv", "text": "Stack: GCP, Jira, Confluence, Git" } ]
{ "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-v008-cv-00185
0.1
0.1
{ "text": "Production performance tuning skills", "skill": "performance tuning", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-00185-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Cut build time by 40% by tuning the performance tuning configuration." } ]
{ "group_id": "reliability_obs", "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-real-02057
0.1
0.1
{ "text": "Strong AWS skills", "skill": "AWS", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-02057-e1", "section": "cv_excerpt", "source_type": "cv", "text": "I have 5 years of software development experience and am looking for a Data Engineer position with AWS cloud provider." } ]
{ "group_id": "cloud_devops", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_years_hands_on", "source": "djinni_cv_en", "source_record": "a79dea42-aded-54df-9b5d-66d683d45be2", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0....
sj-v004-syn-005259
0.1
0.1
{ "text": "technical design docs experience", "skill": "technical design docs", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-005259-e1", "section": "summary", "source_type": "cv", "text": "technical design docs: none so far." }, { "evidence_id": "sj-v004-syn-005259-e2", "section": "summary", "source_type": "cv", "text": "Looking for a product company." } ]
{ "group_id": "leadership", "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-000113
0.1
0.1
{ "text": "Proven distributed consistency in production", "skill": "distributed consistency", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-000113-e1", "section": "experience", "source_type": "cv", "text": "Day to day I handled retries and deduplication in distributed jobs on my own." } ]
{ "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-001241
0.1
0.1
{ "text": "Strong SLO/SLI skills", "skill": "SLO/SLI", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-001241-e1", "section": "interview", "source_type": "interview", "text": "Interviewer: zero SLO/SLI exposure confirmed by candidate." } ]
{ "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-v004-syn-007340
0.1
0.1
{ "text": "Strong hands-on monitoring background", "skill": "monitoring", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[]
{ "group_id": "reliability_obs", "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-016161
0.1
0.1
{ "text": "OAuth2/OIDC (must have)", "skill": "OAuth2/OIDC", "group_id": "security", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-016161-e1", "section": "experience", "source_type": "cv", "text": "As distinguished engineer I designed SSO with OIDC and token exchange across 10 products; I am the go-to OAuth2/OIDC authority company-wide and publish on OAuth2/OIDC." } ]
{ "group_id": "security", "evidence_label": "supported", "proficiency_label": "5" }
{ "difficulty": "easy", "case_type": "expert", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-007219
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-007219-e1", "section": "skills_list", "source_type": "cv", "text": "Technologies: Docker, scalable system design, Scrum, SQL" } ]
{ "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-syn-015251
0.1
0.1
{ "text": "Deep Kotlin expertise", "skill": "Kotlin", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-015251-e1", "section": "skills_list", "source_type": "cv", "text": "Skills: Kotlin, Git, Jira, Agile, Linux" }, { "evidence_id": "sj-v004-syn-015251-e2", "section": "summary", "source_type": "cv", "text": "Also worked with Git and Jira." } ]
{ "group_id": "lang_core", "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-005282
0.1
0.1
{ "text": "Experience with Rust", "skill": "Rust", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-005282-e1", "section": "experience", "source_type": "cv", "text": "fellow-level engineer: implemented a rust log shipper replacing logstash, 10x lower cpu. wrote the internal rust handbook and teach rust externally." }, { "evidence_id": "sj-v004-syn-005282-e2", ...
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "5" }
{ "difficulty": "easy", "case_type": "expert", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-014458
0.1
0.1
{ "text": "TDD (must have)", "skill": "TDD", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-014458-e1", "section": "summary", "source_type": "cv", "text": "TDD: none so far." }, { "evidence_id": "sj-v004-syn-014458-e2", "section": "summary", "source_type": "cv", "text": "Also worked with Git and Jira." } ]
{ "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-v008-cv-01056
0.1
0.1
{ "text": "Hands-on GCP", "skill": "GCP", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-01056-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Picked up GCP while working on a client project." } ]
{ "group_id": "cloud_devops", "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-006704
0.1
0.1
{ "text": "Deep integration testing expertise", "skill": "integration testing", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-006704-e1", "section": "experience", "source_type": "cv", "text": "Under supervision I worked on small parts while the team wrote integration tests against real databases." } ]
{ "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-syn-003440
0.1
0.1
{ "text": "Good understanding of C#/.NET", "skill": "C#/.NET", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-003440-e1", "section": "skills_list", "source_type": "cv", "text": "Stack: C#/.NET, Jira, Confluence, Git" }, { "evidence_id": "sj-v004-syn-003440-e2", "section": "summary", "source_type": "cv", "text": "Looking for a product company." } ]
{ "group_id": "lang_core", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v008-cv-00529
0.1
0.1
{ "text": "Production web performance skills", "skill": "web performance", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-00529-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Completed an online web performance course with a certificate." } ]
{ "group_id": "frontend", "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-03548
0.1
0.1
{ "text": "Strong Kubernetes skills", "skill": "Kubernetes", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-03548-e1", "section": "cv_excerpt", "source_type": "cv", "text": "With over 2 years of experience as a System Administrator and 6 months as a DevOps Engineer, I have utilized Docker and Kubernetes for project deployments." } ]
{ "group_id": "cloud_devops", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "real_years_hands_on", "source": "djinni_cv_en", "source_record": "ed33f029-12a4-5708-bd64-8041a496ab2a", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": "v...
sj-v004-syn-021542
0.1
0.1
{ "text": "Strong unit testing skills", "skill": "unit testing", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-021542-e1", "section": "summary", "source_type": "cv", "text": "unit testing: none so far." } ]
{ "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-002560
0.1
0.1
{ "text": "Production Terraform skills", "skill": "Terraform", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-002560-e1", "section": "summary", "source_type": "cv", "text": "I have no experience with Terraform at all." }, { "evidence_id": "sj-v004-syn-002560-e2", "section": "summary", "source_type": "cv", "text": "Looking for a product company." } ]
{ "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-018779
0.1
0.1
{ "text": "Working knowledge of Docker", "skill": "Docker", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-018779-e1", "section": "experience", "source_type": "cv", "text": "Senior engineer (2019-2024): built hardened multi-stage Docker images and base-image program for all teams." } ]
{ "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-v008-cv-01365
0.1
0.1
{ "text": "Proven React in production", "skill": "React", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-01365-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Worked on a mobile game project in React." } ]
{ "group_id": "frontend", "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-001749
0.1
0.1
{ "text": "Strong ownership skills", "skill": "ownership", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-001749-e1", "section": "experience", "source_type": "cv", "text": "Claimed: owned the payments domain end-to-end including roadmap and on-call." }, { "evidence_id": "sj-v004-syn-001749-e2", "section": "interview", "source_type": "interview", "text": ...
{ "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-real-05394
0.1
0.1
{ "text": "Strong Elasticsearch skills", "skill": "Elasticsearch", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-05394-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Developed IaC using AWS CDK Crafted CI/CD pipelines using GitLab CI Wrote Bash/Python scripts to automate routine tasks" } ]
{ "group_id": "data_storage", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "c6b0b993-80d0-5bae-99db-38dacb9e3d99", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-syn-010121
0.1
0.1
{ "text": "Production Redis skills", "skill": "Redis", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-010121-e1", "section": "experience", "source_type": "cv", "text": "Built and ran services using Memcached; considering Redis next." } ]
{ "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-real-06360
0.1
0.1
{ "text": "C#/.NET experience", "skill": "C#/.NET", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-06360-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Skilled team player with over 7 years of leadership, project management and hands-on technical engineering experience. International experience building engineering teams from scratch, leading and managi...
{ "group_id": "lang_core", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "66a28cc2-fe8e-516e-836d-375dcb4aa947", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-syn-022888
0.1
0.1
{ "text": "Strong hands-on Kubernetes background", "skill": "Kubernetes", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-022888-e1", "section": "skills_list", "source_type": "cv", "text": "Skills: Kubernetes, Git, Jira, Agile, Linux" }, { "evidence_id": "sj-v004-syn-022888-e2", "section": "summary", "source_type": "cv", "text": "B.Sc. in Computer Science." } ]
{ "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-025750
0.1
0.1
{ "text": "Strong unit testing skills", "skill": "unit testing", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-025750-e1", "section": "experience", "source_type": "cv", "text": "Summary: Technical writer producing API documentation. Hobbies: football." } ]
{ "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-v004-syn-023493
0.1
0.1
{ "text": "Production caching strategy skills", "skill": "caching strategy", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-023493-e1", "section": "experience", "source_type": "cv", "text": "Senior backend developer; key achievement: designed multi-layer caching (CDN, Redis, local) cutting DB load 70%." } ]
{ "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-real-03258
0.1
0.1
{ "text": "React experience", "skill": "React", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-03258-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Started learning Vue.js and React.js, found my first long-term projects (and teams) and fell in love making UI with JS frameworks." } ]
{ "group_id": "frontend", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "7b659e23-b99c-5dd5-809f-719ceafa3c5e", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-real-06887
0.1
0.1
{ "text": "MongoDB experience", "skill": "MongoDB", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-06887-e1", "section": "cv_excerpt", "source_type": "cv", "text": "AWS Certified Solutions Architect – Associate [2019] AWS Certified Security – Specialty [2019] AWS Certified Solutions Architect – Professional [2020]" } ]
{ "group_id": "data_storage", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "4ba8ead4-5536-5c9c-a611-cf828c425c24", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-syn-012126
0.1
0.1
{ "text": "Production secrets management skills", "skill": "secrets management", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-012126-e1", "section": "experience", "source_type": "cv", "text": "Tech lead who migrated all secrets to Vault with dynamic credentials, and mentored the team on secrets management practices." }, { "evidence_id": "sj-v004-syn-012126-e2", "section": "summary"...
{ "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-000561
0.1
0.1
{ "text": "Strong hands-on PostgreSQL background", "skill": "PostgreSQL", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-000561-e1", "section": "projects", "source_type": "portfolio", "text": "Case study: partitioned a 3TB PostgreSQL table and tuned indexes cutting queries from 40s to 1s. Includes architecture diagrams and benchmark results." } ]
{ "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-real-06346
0.1
0.1
{ "text": "React experience", "skill": "React", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-06346-e1", "section": "cv_excerpt", "source_type": "cv", "text": "I have helped ExxonMobil to reduce the cost 250000 USD annually by analyzing costs and company's employees. I have worked in various sectors, including Morgan Stanley, Exxon Mobil, and Liberty Global thr...
{ "group_id": "frontend", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "7491285e-3db1-5438-83f6-bf40f658fd8c", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-syn-018240
0.1
0.1
{ "text": "Strong TypeScript (frontend) skills", "skill": "TypeScript (frontend)", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-018240-e1", "section": "experience", "source_type": "cv", "text": "Resume claims they led migration of 300k-line JS frontend to strict TypeScript." }, { "evidence_id": "sj-v004-syn-018240-e2", "section": "interview", "source_type": "interview", "text...
{ "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-016590
0.1
0.1
{ "text": "Production API versioning skills", "skill": "API versioning", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-016590-e1", "section": "experience", "source_type": "cv", "text": "The platform team created deprecation and versioning policy adopted company-wide. I joined late and handled minor tasks." } ]
{ "group_id": "api_design", "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-000666
0.1
0.1
{ "text": "Practical event-driven architecture experience", "skill": "event-driven architecture", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-000666-e1", "section": "experience", "source_type": "cv", "text": "Software engineer (2021-2024): implemented event handlers in an event-driven system." } ]
{ "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-008409
0.1
0.1
{ "text": "Hands-on OAuth2/OIDC", "skill": "OAuth2/OIDC", "group_id": "security", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-008409-e1", "section": "experience", "source_type": "cv", "text": "As distinguished engineer I designed SSO with OIDC and token exchange across 10 products; I am the go-to OAuth2/OIDC authority company-wide and publish on OAuth2/OIDC." } ]
{ "group_id": "security", "evidence_label": "supported", "proficiency_label": "5" }
{ "difficulty": "easy", "case_type": "expert", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v005-bl3-00345
0.1
0.1
{ "text": "Production monitoring skills", "skill": "monitoring", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v005-bl3-00345-e1", "section": "experience", "source_type": "cv", "text": "Mid-level engineer for 2 years: created dashboards and alerts for services; handled the on-call for it." } ]
{ "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-v004-syn-006082
0.1
0.1
{ "text": "Terraform experience", "skill": "Terraform", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-006082-e1", "section": "experience", "source_type": "cv", "text": "3 years: built production systems with Pulumi, a close alternative to Terraform." } ]
{ "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-real-02482
0.1
0.1
{ "text": "Proven Java in production", "skill": "Java", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-02482-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Technologies: Android Jetpack, java, kotlin, retrofit2, butterknife, rxJava, realm" } ]
{ "group_id": "lang_core", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_keyword_list", "source": "djinni_cv_en", "source_record": "1e112ce9-69ae-5069-b9ab-fe8e75ea0e7a", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": "v0....
sj-v005-bl4-00973
0.1
0.1
{ "text": "Strong API versioning skills", "skill": "API versioning", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v005-bl4-00973-e1", "section": "experience", "source_type": "cv", "text": "Key result as tech lead: created deprecation and versioning policy adopted company-wide." } ]
{ "group_id": "api_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-real-05199
0.1
0.1
{ "text": "Redis experience", "skill": "Redis", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-05199-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Database analysis with SQL, Google Sheets, DBeaver, Tableau. Creation of visualizations based on the obtained research results. Was a one of leader in the project \"Everything is possible”." } ]
{ "group_id": "data_storage", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "8be0d75b-aa1d-5c33-b2ef-a5bee47462d4", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-syn-016485
0.1
0.1
{ "text": "caching strategy (must have)", "skill": "caching strategy", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-016485-e1", "section": "summary", "source_type": "cv", "text": "I have not used caching strategy professionally or in projects; my experience is in other areas." } ]
{ "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-025836
0.1
0.1
{ "text": "Strong GCP skills", "skill": "GCP", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-025836-e1", "section": "interview", "source_type": "interview", "text": "Interview notes: candidate stated they never used GCP." } ]
{ "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-v004-syn-009102
0.1
0.1
{ "text": "CI/CD (must have)", "skill": "CI/CD", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-009102-e1", "section": "experience", "source_type": "cv", "text": "Resume claims they designed CI/CD with canary and automated rollback for 60 repos." }, { "evidence_id": "sj-v004-syn-009102-e2", "section": "interview", "source_type": "interview", "t...
{ "group_id": "cloud_devops", "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-bl5-01208
0.1
0.1
{ "text": "Strong technical design docs skills", "skill": "technical design docs", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v005-bl5-01208-e1", "section": "experience", "source_type": "cv", "text": "Company-wide technical design docs authority: authored RFCs that set architecture direction for the org; defined the technical design docs standards all teams follow and speak at conferences." } ]
{ "group_id": "leadership", "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-022054
0.1
0.1
{ "text": "Good understanding of unit testing", "skill": "unit testing", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-022054-e1", "section": "experience", "source_type": "cv", "text": "Lead engineer 2018-2023: set testing standards and raised coverage from 30% to 85% across the org." }, { "evidence_id": "sj-v004-syn-022054-e2", "section": "summary", "source_type": "cv",...
{ "group_id": "testing_quality", "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-030740
0.1
0.1
{ "text": "web performance experience", "skill": "web performance", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-030740-e1", "section": "experience", "source_type": "cv", "text": "Bootcamp assignment: basic web performance exercise." }, { "evidence_id": "sj-v004-syn-030740-e2", "section": "summary", "source_type": "cv", "text": "Agile/Scrum teams of 5-8 people....
{ "group_id": "frontend", "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-011083
0.1
0.1
{ "text": "Experience with Terraform", "skill": "Terraform", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-011083-e1", "section": "experience", "source_type": "cv", "text": "Principal engineer: authored reusable Terraform modules used by 15 teams; recognized as Terraform authority and gave conference talks on it." } ]
{ "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-017092
0.1
0.1
{ "text": "Strong GraphQL skills", "skill": "GraphQL", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-017092-e1", "section": "summary", "source_type": "cv", "text": "Self-motivated developer who enjoys challenges." } ]
{ "group_id": "api_design", "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-029702
0.1
0.1
{ "text": "Commercial experience with OAuth2/OIDC", "skill": "OAuth2/OIDC", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-029702-e1", "section": "experience", "source_type": "cv", "text": "Bootcamp assignment: basic OAuth2/OIDC exercise." } ]
{ "group_id": "security", "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-023182
0.1
0.1
{ "text": "Deep gRPC expertise", "skill": "gRPC", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-023182-e1", "section": "experience", "source_type": "cv", "text": "Independently implemented gRPC services with deadlines and retries; 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-028543
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-028543-e1", "section": "experience", "source_type": "cv", "text": "Assisted on tasks where the team implemented role checks in APIs; picked tickets prepared by the lead." }, { "evidence_id": "sj-v004-syn-028543-e2", "section": "summary", "source_type": "...
{ "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-v004-syn-003873
0.1
0.1
{ "text": "Strong scalable system design skills", "skill": "scalable system design", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-003873-e1", "section": "summary", "source_type": "cv", "text": "scalable system design: none so far." }, { "evidence_id": "sj-v004-syn-003873-e2", "section": "summary", "source_type": "cv", "text": "B.Sc. in Computer Science." } ]
{ "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-014186
0.1
0.1
{ "text": "Working knowledge of integration testing", "skill": "integration testing", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-014186-e1", "section": "experience", "source_type": "cv", "text": "Core contributor to the integration testing ecosystem; built Testcontainers-based integration test framework adopted by 10 teams." } ]
{ "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-014095
0.1
0.1
{ "text": "Practical Kafka experience", "skill": "Kafka", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-014095-e1", "section": "experience", "source_type": "cv", "text": "core contributor to the kafka ecosystem; designed a kafka event backbone processing 50m events/day with exactly-once via outbox." } ]
{ "group_id": "system_design", "evidence_label": "supported", "proficiency_label": "5" }
{ "difficulty": "easy", "case_type": "expert", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-005791
0.1
0.1
{ "text": "Commercial experience with Docker", "skill": "Docker", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-005791-e1", "section": "experience", "source_type": "cv", "text": "The platform team built hardened multi-stage Docker images and base-image program for all teams. I joined late and handled minor tasks." } ]
{ "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-012984
0.1
0.1
{ "text": "Experience with encryption", "skill": "encryption", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-012984-e1", "section": "summary", "source_type": "cv", "text": "Profile: 'deep encryption expertise', no further details given." } ]
{ "group_id": "security", "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-023237
0.1
0.1
{ "text": "Working knowledge of event-driven architecture", "skill": "event-driven architecture", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-023237-e1", "section": "experience", "source_type": "cv", "text": "Tech lead who designed saga-based event-driven checkout across 6 services, and mentored the team on event-driven architecture practices." } ]
{ "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-009886
0.1
0.1
{ "text": "Proven scalable system design in production", "skill": "scalable system design", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-009886-e1", "section": "skills_list", "source_type": "cv", "text": "Skills: scalable system design, Git, Jira, Agile, Linux" } ]
{ "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-v006-c-01563
0.1
0.1
{ "text": "Experience with performance tuning", "skill": "performance tuning", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v006-c-01563-e1", "section": "experience", "source_type": "cv", "text": "Used performance tuning on a small internal tool with help from a senior colleague." } ]
{ "group_id": "reliability_obs", "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-008832
0.1
0.1
{ "text": "Strong MongoDB skills", "skill": "MongoDB", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-008832-e1", "section": "experience", "source_type": "cv", "text": "CV: modeled sharded MongoDB collections for 2B documents." }, { "evidence_id": "sj-v004-syn-008832-e2", "section": "interview", "source_type": "interview", "text": "Interview: candida...
{ "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" }
sj-v004-syn-020841
0.1
0.1
{ "text": "Strong hands-on Kafka background", "skill": "Kafka", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-020841-e1", "section": "experience", "source_type": "cv", "text": "mid-level developer: built kafka producers and consumers with retries; shipped to production regularly." } ]
{ "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-03253
0.1
0.1
{ "text": "Java experience", "skill": "Java", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-03253-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Over 10 years of commercial development on Java" } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_years_hands_on", "source": "djinni_cv_en", "source_record": "033fa8b1-d7d3-5e83-847f-196d3c5f67f4", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0....
sj-v004-syn-003453
0.1
0.1
{ "text": "Hands-on caching strategy", "skill": "caching strategy", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-003453-e1", "section": "skills_list", "source_type": "cv", "text": "Technologies: Docker, caching strategy, Scrum, SQL" } ]
{ "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-v005-bl3-00266
0.1
0.1
{ "text": "Solid static analysis knowledge", "skill": "static analysis", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v005-bl3-00266-e1", "section": "experience", "source_type": "cv", "text": "In my current job I fixed static analysis warnings in CI and fix issues without help." } ]
{ "group_id": "testing_quality", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "boundary_l3", "source": "synthetic_v005", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-04545
0.1
0.1
{ "text": "C#/.NET experience", "skill": "C#/.NET", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-04545-e1", "section": "cv_excerpt", "source_type": "cv", "text": "I created the ASP.net Core MVC project, using ADO.Net." } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "d6d56859-cff8-5858-8c17-c91f9692a504", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-018699
0.1
0.1
{ "text": "Deep AWS expertise", "skill": "AWS", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-018699-e1", "section": "experience", "source_type": "cv", "text": "Backend engineer building Java services deployed by a separate ops team to VMs." } ]
{ "group_id": "cloud_devops", "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-013512
0.1
0.1
{ "text": "Production code review skills", "skill": "code review", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-013512-e1", "section": "skills_list", "source_type": "cv", "text": "Tools: Git, code review, Docker, Postman, Jira" }, { "evidence_id": "sj-v004-syn-013512-e2", "section": "summary", "source_type": "cv", "text": "B.Sc. in Computer Science." } ]
{ "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-v004-syn-006070
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-006070-e1", "section": "experience", "source_type": "cv", "text": "Senior engineer (2019-2024): built Testcontainers-based integration test framework adopted by 10 teams." }, { "evidence_id": "sj-v004-syn-006070-e2", "section": "summary", "source_type": ...
{ "group_id": "testing_quality", "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-01035
0.1
0.1
{ "text": "Proven MySQL in production", "skill": "MySQL", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-01035-e1", "section": "cv_excerpt", "source_type": "cv", "text": "PowerBI-4 developed reports (MySQL database)." } ]
{ "group_id": "data_storage", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "1956e1a6-c85f-52ca-be1c-af98af5a604f", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": "v0.2" }
sj-v004-real-00293
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-00293-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Technical skills:Languages: SQL, HTML, CSS, XML, JSON, Javascript (basic), JAVA (basic);DBMS:\tMySQL;" } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "e958fe0d-1a11-52e4-b4ce-8383347d2875", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-007439
0.1
0.1
{ "text": "Expert-level MongoDB", "skill": "MongoDB", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-007439-e1", "section": "experience", "source_type": "cv", "text": "Day to day I built MongoDB aggregations for reporting on my own." } ]
{ "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-real-01825
0.1
0.1
{ "text": "Strong AWS skills", "skill": "AWS", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-01825-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Developed AWS Lambdas for monitoring and maintaining infrastructure;" } ]
{ "group_id": "cloud_devops", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "787315b4-b5a1-5498-bdb4-e62ffe20c46a", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v006-c-00051
0.1
0.1
{ "text": "Production Python skills", "skill": "Python", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v006-c-00051-e1", "section": "experience", "source_type": "cv", "text": "At work I shipped Django features and maintained them in production independently, including debugging prod incidents." } ]
{ "group_id": "lang_core", "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-006404
0.1
0.1
{ "text": "Strong gRPC skills", "skill": "gRPC", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-006404-e1", "section": "skills_list", "source_type": "cv", "text": "Technologies: Docker, gRPC, Scrum, SQL" } ]
{ "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-real-05138
0.1
0.1
{ "text": "Strong unit testing skills", "skill": "unit testing", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-05138-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Programmer of the year at TayqaTech Bronze medal from National Math Olympiad Golden medal from The Ministry of Education of the Azerbaijan Republic" } ]
{ "group_id": "testing_quality", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "fc6b15ea-498d-538c-85d2-631351141613", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-syn-013341
0.1
0.1
{ "text": "Practical API versioning experience", "skill": "API versioning", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-013341-e1", "section": "experience", "source_type": "cv", "text": "in my last role i created deprecation and versioning policy adopted company-wide." } ]
{ "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" }
sj-v008-cv-01604
0.1
0.1
{ "text": "Strong AWS skills", "skill": "AWS", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-01604-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Worked on a mobile game project in AWS." } ]
{ "group_id": "cloud_devops", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "convention_v02", "source": "synthetic_v008", "split": "train", "label_status": "synthetic_convention_v0.2" }
sj-v006-c-00206
0.1
0.1
{ "text": "Commercial scalable system design experience", "skill": "scalable system design", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v006-c-00206-e1", "section": "experience", "source_type": "cv", "text": "Freelance: delivered several client projects where I designed a single service including data model and failure modes." } ]
{ "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" }