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sj-v004-syn-008722
0.1
0.1
{ "text": "Working knowledge of technical design docs", "skill": "technical design docs", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-008722-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-013935
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-013935-e1", "section": "projects", "source_type": "portfolio", "text": "Case study: profiled and tuned JVM services increasing throughput 3x on the same hardware. Includes architecture diagrams and benchmark results." }, { "evidence_id": "sj-v004-syn-013935-e2",...
{ "group_id": "reliability_obs", "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-017442
0.1
0.1
{ "text": "performance tuning (must have)", "skill": "performance tuning", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-017442-e1", "section": "experience", "source_type": "cv", "text": "Owned the initiative where I profiled and tuned JVM services increasing throughput 3x on the same hardware, and drove performance tuning decisions for the team." }, { "evidence_id": "sj-v004-syn-...
{ "group_id": "reliability_obs", "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-001350
0.1
0.1
{ "text": "SLO/SLI (must have)", "skill": "SLO/SLI", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-001350-e1", "section": "experience", "source_type": "cv", "text": "For 2.5 years I defined SLIs for team services as the main developer of the service." }, { "evidence_id": "sj-v004-syn-001350-e2", "section": "summary", "source_type": "cv", "text": "...
{ "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-real-00977
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-00977-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Java, .NET or Python, SQL/noSQL, Machine learning" } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "51533cb8-7822-53c2-9da6-a00b10ac202f", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-007041
0.1
0.1
{ "text": "Commercial experience with API versioning", "skill": "API versioning", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-007041-e1", "section": "experience", "source_type": "cv", "text": "Claimed: created deprecation and versioning policy adopted company-wide." }, { "evidence_id": "sj-v004-syn-007041-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-syn-015214
0.1
0.1
{ "text": "Hands-on integration testing", "skill": "integration testing", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-015214-e1", "section": "education", "source_type": "cv", "text": "University course project using integration testing for a simple CRUD demo." } ]
{ "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-024777
0.1
0.1
{ "text": "Production Elasticsearch skills", "skill": "Elasticsearch", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-024777-e1", "section": "summary", "source_type": "cv", "text": "No hands-on Elasticsearch experience yet; planning to learn it." } ]
{ "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-v006-c-00155
0.1
0.1
{ "text": "Commercial CI/CD experience", "skill": "CI/CD", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v006-c-00155-e1", "section": "experience", "source_type": "cv", "text": "At work I maintained GitHub Actions pipelines independently, including debugging prod incidents." } ]
{ "group_id": "cloud_devops", "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-01293
0.1
0.1
{ "text": "Strong Python skills", "skill": "Python", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-01293-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Course “Introduction to Python”, DataCamp(2022);" } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "0dbf7943-d604-5048-81c0-b5d9b841b1dd", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": "v0.2" }
sj-v004-real-03167
0.1
0.1
{ "text": "Proven CI/CD in production", "skill": "CI/CD", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-03167-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Reduced about 40% of the time needed for CI/CD." } ]
{ "group_id": "cloud_devops", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_strong_ownership", "source": "djinni_cv_en", "source_record": "8c9d3716-2948-5b81-b3a1-d3f3bf3079ed", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": ...
sj-v004-real-02815
0.1
0.1
{ "text": "Proven React in production", "skill": "React", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-02815-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Frameworks: Vue js, Angular, React, Nuxt js" } ]
{ "group_id": "frontend", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_keyword_list", "source": "djinni_cv_en", "source_record": "6f4e7170-d9f9-5567-933d-ff6001f21894", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2"...
sj-v004-syn-023567
0.1
0.1
{ "text": "Proven Elasticsearch in production", "skill": "Elasticsearch", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-023567-e1", "section": "experience", "source_type": "cv", "text": "Frontend developer focused on CSS animations and design systems." } ]
{ "group_id": "data_storage", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "missing_skill", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-04880
0.1
0.1
{ "text": "Strong Python skills", "skill": "Python", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-04880-e1", "section": "cv_excerpt", "source_type": "cv", "text": "In my previous positions, I was familiar with python projects." } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "bb717bc9-a052-5629-b4de-63cef914ea6c", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-020379
0.1
0.1
{ "text": "Solid distributed consistency knowledge", "skill": "distributed consistency", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-020379-e1", "section": "experience", "source_type": "cv", "text": "core contributor to the distributed consistency ecosystem; designed idempotent, eventually consistent ledger with reconciliation." } ]
{ "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-022853
0.1
0.1
{ "text": "Strong technical design docs skills", "skill": "technical design docs", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-022853-e1", "section": "summary", "source_type": "cv", "text": "profile: 'deep technical design docs expertise', no further details given." } ]
{ "group_id": "leadership", "evidence_label": "partial", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "claim_no_detail", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-006792
0.1
0.1
{ "text": "Java (must have)", "skill": "Java", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-006792-e1", "section": "experience", "source_type": "cv", "text": "Owned the initiative where I designed a Java/Spring settlement engine processing $2B/yr and cut GC pauses 80%, and drove Java decisions for the team." } ]
{ "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-v006-c-00523
0.1
0.1
{ "text": "Hands-on Rust", "skill": "Rust", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v006-c-00523-e1", "section": "experience", "source_type": "cv", "text": "Used Rust on a small internal tool with help from a senior colleague." } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "contrast_partial_supported", "source": "synthetic_v006", "split": "train", "label_status": "synthetic_needs_review" }
sj-v008-cv-00739
0.1
0.1
{ "text": "Strong Terraform skills", "skill": "Terraform", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-00739-e1", "section": "cv_excerpt", "source_type": "cv", "text": "As a junior I assisted teammates who wrote Terraform for team infrastructure." } ]
{ "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-01246
0.1
0.1
{ "text": "Commercial caching strategy experience", "skill": "caching strategy", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v006-c-01246-e1", "section": "experience", "source_type": "cv", "text": "Six months of junior experience where I helped as the team implemented cache-aside for hot endpoints." } ]
{ "group_id": "system_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-024898
0.1
0.1
{ "text": "Good understanding of static analysis", "skill": "static analysis", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-024898-e1", "section": "projects", "source_type": "portfolio", "text": "Case study: introduced SonarQube and custom lint rules gating all merges. Includes architecture diagrams and benchmark results." } ]
{ "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-003949
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-syn-003949-e1", "section": "experience", "source_type": "cv", "text": "summary: senior ios engineer (swift) shipping consumer apps for 6 years. hobbies: football." } ]
{ "group_id": "lang_core", "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-014874
0.1
0.1
{ "text": "Production OAuth2/OIDC skills", "skill": "OAuth2/OIDC", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-014874-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." }, { "evidence_id": "sj-v0...
{ "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-real-00414
0.1
0.1
{ "text": "Proven Go in production", "skill": "Go", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-00414-e1", "section": "cv_excerpt", "source_type": "cv", "text": "The course involved learning the Go programming language, databases, Linux administration, networking protocols, http requests & REST, json." } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "ede3ab38-465d-514b-92f4-6629826012c0", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": "v0.2" }
sj-v004-syn-004407
0.1
0.1
{ "text": "Strong integration testing skills", "skill": "integration testing", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-004407-e1", "section": "summary", "source_type": "cv", "text": "Detail-oriented professional with great communication skills." } ]
{ "group_id": "testing_quality", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "easy", "case_type": "vague_claim", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v005-bl3-00585
0.1
0.1
{ "text": "Solid GraphQL knowledge", "skill": "GraphQL", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v005-bl3-00585-e1", "section": "experience", "source_type": "cv", "text": "In my current job I built GraphQL resolvers for the mobile app and fix issues without help." } ]
{ "group_id": "api_design", "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-022744
0.1
0.1
{ "text": "Deep TypeScript (frontend) expertise", "skill": "TypeScript (frontend)", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-022744-e1", "section": "experience", "source_type": "cv", "text": "Software engineer (2021-2024): wrote typed React components." }, { "evidence_id": "sj-v004-syn-022744-e2", "section": "summary", "source_type": "cv", "text": "Fluent English." } ]
{ "group_id": "frontend", "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-000608
0.1
0.1
{ "text": "code review experience", "skill": "code review", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-000608-e1", "section": "experience", "source_type": "cv", "text": "Day to day I reviewed teammates' pull requests on my own." }, { "evidence_id": "sj-v004-syn-000608-e2", "section": "summary", "source_type": "cv", "text": "Also worked with Git and Ji...
{ "group_id": "testing_quality", "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-011008
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-011008-e1", "section": "experience", "source_type": "cv", "text": "Trainee developer; shadowed seniors who wrote integration tests against real databases." }, { "evidence_id": "sj-v004-syn-011008-e2", "section": "summary", "source_type": "cv", "text"...
{ "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-001220
0.1
0.1
{ "text": "Good understanding of PostgreSQL", "skill": "PostgreSQL", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-001220-e1", "section": "experience", "source_type": "cv", "text": "Day to day I wrote migrations and optimized slow PostgreSQL queries on my own." }, { "evidence_id": "sj-v004-syn-001220-e2", "section": "summary", "source_type": "cv", "text": "B.Sc. ...
{ "group_id": "data_storage", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "easy", "case_type": "direct_moderate", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-017247
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-017247-e1", "section": "experience", "source_type": "cv", "text": "fellow-level engineer: designed multi-layer caching (cdn, redis, local) cutting db load 70%. wrote the internal caching strategy handbook and teach caching strategy externally." }, { "evidence_id...
{ "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-026665
0.1
0.1
{ "text": "Experience with SLO/SLI", "skill": "SLO/SLI", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-026665-e1", "section": "experience", "source_type": "cv", "text": "the platform team defined slos and error budgets adopted by engineering leadership. i joined late and handled minor tasks." } ]
{ "group_id": "reliability_obs", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "team_credit", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v001-0050
0.1
0.1
{ "text": "Cross-team technical leadership", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v001-0050-e1", "section": "experience", "source_type": "cv", "text": "Tech lead for 6-person team; coordinated API contracts with 2 partner teams." } ]
{ "group_id": "leadership", "evidence_label": "partial", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "below_target", "role": "backend_fullstack", "source": "handwritten_v001", "label_status": "draft_needs_expert_review", "split": "train" }
sj-v004-syn-015082
0.1
0.1
{ "text": "Strong Rust skills", "skill": "Rust", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-015082-e1", "section": "experience", "source_type": "cv", "text": "independently wrote rust cli tools used by the team; on-call owner for it." } ]
{ "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-real-03473
0.1
0.1
{ "text": "Python experience", "skill": "Python", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-03473-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Python(1.5 year of commercial experience): pandas, numpy ,scikit-learn, matplotlib, seaborn, requests, gspread, nltk;" } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "real_years_hands_on", "source": "djinni_cv_en", "source_record": "41550725-b947-5262-b5ed-fa47c3029302", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0....
sj-v008-cv-01897
0.1
0.1
{ "text": "Hands-on encryption", "skill": "encryption", "group_id": "security", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-01897-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Contributed to an e-commerce project (encryption)." } ]
{ "group_id": "security", "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-011359
0.1
0.1
{ "text": "Strong Rust skills", "skill": "Rust", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-011359-e1", "section": "summary", "source_type": "cv", "text": "i have no experience with rust at all." } ]
{ "group_id": "lang_core", "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-018932
0.1
0.1
{ "text": "Production AWS skills", "skill": "AWS", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-018932-e1", "section": "summary", "source_type": "cv", "text": "Profile: 'deep AWS expertise', no further details given." } ]
{ "group_id": "cloud_devops", "evidence_label": "partial", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "claim_no_detail", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-008160
0.1
0.1
{ "text": "scalable system design (must have)", "skill": "scalable system design", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-008160-e1", "section": "experience", "source_type": "cv", "text": "Experience: QA engineer writing manual test plans." } ]
{ "group_id": "system_design", "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-029936
0.1
0.1
{ "text": "Expert-level hiring", "skill": "hiring", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-029936-e1", "section": "experience", "source_type": "cv", "text": "Backend engineer, 3 years: conducted technical interviews." }, { "evidence_id": "sj-v004-syn-029936-e2", "section": "summary", "source_type": "cv", "text": "Also worked with Git and J...
{ "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-027147
0.1
0.1
{ "text": "Expert-level static analysis", "skill": "static analysis", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-027147-e1", "section": "experience", "source_type": "cv", "text": "Staff+ engineer who introduced SonarQube and custom lint rules gating all merges, setting static analysis standards across the organization." }, { "evidence_id": "sj-v004-syn-027147-e2", "sec...
{ "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-023194
0.1
0.1
{ "text": "Commercial experience with OAuth2/OIDC", "skill": "OAuth2/OIDC", "group_id": "security", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-023194-e1", "section": "experience", "source_type": "cv", "text": "Senior backend developer; key achievement: designed SSO with OIDC and token exchange across 10 products." } ]
{ "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-00766
0.1
0.1
{ "text": "Strong AWS skills", "skill": "AWS", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-00766-e1", "section": "cv_excerpt", "source_type": "cv", "text": "implemented aws resource tagging(cloudfront,cloudwatch, lambda, iam+sso) and configured same for all regions with terraform." } ]
{ "group_id": "cloud_devops", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "0a8903af-cd5c-595f-bf51-ac36357a7324", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v008-cv-00330
0.1
0.1
{ "text": "Hands-on code review", "skill": "code review", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-00330-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Contributed to an e-commerce project (code review)." } ]
{ "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-012646
0.1
0.1
{ "text": "Rust (must have)", "skill": "Rust", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-012646-e1", "section": "experience", "source_type": "cv", "text": "Under supervision I worked on small parts while the team wrote Rust CLI tools used by the team." } ]
{ "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-031300
0.1
0.1
{ "text": "Practical distributed tracing experience", "skill": "distributed tracing", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-031300-e1", "section": "experience", "source_type": "cv", "text": "owned the initiative where i rolled out opentelemetry tracing across 30 services and used it to cut latency 40%, and drove distributed tracing decisions for the team." } ]
{ "group_id": "reliability_obs", "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-005968
0.1
0.1
{ "text": "Working knowledge of accessibility", "skill": "accessibility", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-005968-e1", "section": "experience", "source_type": "cv", "text": "Software engineer (2021-2024): fixed accessibility issues reported by QA." } ]
{ "group_id": "frontend", "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-010382
0.1
0.1
{ "text": "Commercial experience with caching strategy", "skill": "caching strategy", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-010382-e1", "section": "skills_list", "source_type": "cv", "text": "Tools: Git, caching strategy, Docker, Postman, Jira" } ]
{ "group_id": "system_design", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-010767
0.1
0.1
{ "text": "Expert-level PostgreSQL", "skill": "PostgreSQL", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-010767-e1", "section": "experience", "source_type": "cv", "text": "Lead engineer 2018-2023: partitioned a 3TB PostgreSQL table and tuned indexes cutting queries from 40s to 1s." } ]
{ "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-01974
0.1
0.1
{ "text": "Strong React skills", "skill": "React", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-01974-e1", "section": "cv_excerpt", "source_type": "cv", "text": "‘JavaScript for beginners’, ‘Modern React from 0 to Pro’, ‘HTML and CSS basic’ Courses, Next JS (2022)." } ]
{ "group_id": "frontend", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "8552831e-17f9-5894-ab1d-e04988f184f7", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-real-01903
0.1
0.1
{ "text": "React experience", "skill": "React", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-01903-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Using React as a front-end and Strapi as a back end, we developed a responsive website for a Ghiras charity organization to showcase their services, raise funds for their causes, and announce their upcom...
{ "group_id": "frontend", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "fc479b2f-bf25-571c-ab41-f557c458fbdc", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v005-bl3-00465
0.1
0.1
{ "text": "Solid performance tuning knowledge", "skill": "performance tuning", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v005-bl3-00465-e1", "section": "experience", "source_type": "cv", "text": "Worked independently: fixed N+1 queries and memory leaks, owning it in production." } ]
{ "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-v006-c-01112
0.1
0.1
{ "text": "Experience with Go", "skill": "Go", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v006-c-01112-e1", "section": "experience", "source_type": "cv", "text": "Freelance: delivered several client projects where I built Go microservices and fixed production bugs." } ]
{ "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-005891
0.1
0.1
{ "text": "Working knowledge of scalable system design", "skill": "scalable system design", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-005891-e1", "section": "experience", "source_type": "cv", "text": "experience: qa engineer writing manual test plans." } ]
{ "group_id": "system_design", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "missing_skill", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-01451
0.1
0.1
{ "text": "Strong mentoring skills", "skill": "mentoring", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-01451-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Mentored and developed 3 new developers in Flutter in 3 months" } ]
{ "group_id": "leadership", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "6d669296-f805-5b48-b14b-21fe62252d3f", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-023149
0.1
0.1
{ "text": "Experience with Elasticsearch", "skill": "Elasticsearch", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-023149-e1", "section": "experience", "source_type": "cv", "text": "Summary: Frontend developer focused on CSS animations and design systems. Hobbies: football." } ]
{ "group_id": "data_storage", "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-009249
0.1
0.1
{ "text": "Proven gRPC in production", "skill": "gRPC", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-009249-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-syn-012533
0.1
0.1
{ "text": "Production Elasticsearch skills", "skill": "Elasticsearch", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-012533-e1", "section": "skills_list", "source_type": "cv", "text": "Skills: Elasticsearch, Git, Jira, Agile, Linux" }, { "evidence_id": "sj-v004-syn-012533-e2", "section": "summary", "source_type": "cv", "text": "Fluent English." } ]
{ "group_id": "data_storage", "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-000428
0.1
0.1
{ "text": "Proven Terraform in production", "skill": "Terraform", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-000428-e1", "section": "experience", "source_type": "cv", "text": "Did a Terraform tutorial and a hello-world app on GitHub." } ]
{ "group_id": "cloud_devops", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "easy", "case_type": "toy_project", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v008-cv-00918
0.1
0.1
{ "text": "Experience with TDD", "skill": "TDD", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-00918-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Picked up TDD while working on a client project." } ]
{ "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-007670
0.1
0.1
{ "text": "static analysis (must have)", "skill": "static analysis", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[]
{ "group_id": "testing_quality", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "easy", "case_type": "no_evidence", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v005-bl5-01222
0.1
0.1
{ "text": "Hands-on Kotlin", "skill": "Kotlin", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v005-bl5-01222-e1", "section": "experience", "source_type": "cv", "text": "Organization-level owner of Kotlin strategy: designed Kotlin coroutine-based backend for 5M MAU app, consulted by every team." } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "5" }
{ "difficulty": "hard", "case_type": "boundary_l5", "source": "synthetic_v005", "split": "train", "label_status": "synthetic_needs_review" }
sj-v008-cv-00148
0.1
0.1
{ "text": "Commercial hiring experience", "skill": "hiring", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-00148-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Covered hiring fundamentals and exercises in a training program." } ]
{ "group_id": "leadership", "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-syn-028710
0.1
0.1
{ "text": "AWS (must have)", "skill": "AWS", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-028710-e1", "section": "experience", "source_type": "cv", "text": "CV: designed AWS multi-account landing zone (EKS, RDS, IAM) for the company." }, { "evidence_id": "sj-v004-syn-028710-e2", "section": "interview", "source_type": "interview", "text": ...
{ "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-v004-syn-009615
0.1
0.1
{ "text": "Proven GCP in production", "skill": "GCP", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-009615-e1", "section": "summary", "source_type": "cv", "text": "haven't worked with gcp; my background is elsewhere." }, { "evidence_id": "sj-v004-syn-009615-e2", "section": "summary", "source_type": "cv", "text": "agile/scrum teams of 5-8 people." ...
{ "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-026156
0.1
0.1
{ "text": "Practical integration testing experience", "skill": "integration testing", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-026156-e1", "section": "education", "source_type": "cv", "text": "university course project using integration testing for a simple crud demo." }, { "evidence_id": "sj-v004-syn-026156-e2", "section": "summary", "source_type": "cv", "text": "looking fo...
{ "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-002850
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-002850-e1", "section": "summary", "source_type": "cv", "text": "no hands-on caching strategy experience yet; planning to learn it." }, { "evidence_id": "sj-v004-syn-002850-e2", "section": "summary", "source_type": "cv", "text": "based in europe, open...
{ "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-010832
0.1
0.1
{ "text": "Hands-on accessibility", "skill": "accessibility", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-010832-e1", "section": "projects", "source_type": "portfolio", "text": "Case study: led WCAG 2.1 AA remediation and audits. Includes architecture diagrams and benchmark results." } ]
{ "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-024821
0.1
0.1
{ "text": "Proven distributed tracing in production", "skill": "distributed tracing", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-024821-e1", "section": "summary", "source_type": "cv", "text": "Expert in distributed tracing with 10 years of experience." } ]
{ "group_id": "reliability_obs", "evidence_label": "partial", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "claim_no_detail", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-015917
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-015917-e1", "section": "summary", "source_type": "cv", "text": "Expert in C#/.NET with 10 years of experience." }, { "evidence_id": "sj-v004-syn-015917-e2", "section": "summary", "source_type": "cv", "text": "Based in Europe, open to remote." } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "claim_no_detail", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-005496
0.1
0.1
{ "text": "Practical distributed tracing experience", "skill": "distributed tracing", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-005496-e1", "section": "summary", "source_type": "cv", "text": "distributed tracing: none so far." } ]
{ "group_id": "reliability_obs", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "explicit_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-004026
0.1
0.1
{ "text": "Practical Kotlin experience", "skill": "Kotlin", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-004026-e1", "section": "experience", "source_type": "cv", "text": "Junior engineer (10 months): helped the team when it built Ktor endpoints in production, under a senior's guidance." } ]
{ "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-v008-cv-00530
0.1
0.1
{ "text": "Strong hiring skills", "skill": "hiring", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-00530-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Built various applications with hiring, 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-v006-c-01822
0.1
0.1
{ "text": "Commercial MongoDB experience", "skill": "MongoDB", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v006-c-01822-e1", "section": "experience", "source_type": "cv", "text": "Freelance: delivered several client projects where I built MongoDB aggregations for reporting." } ]
{ "group_id": "data_storage", "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-022617
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-022617-e1", "section": "experience", "source_type": "cv", "text": "fellow-level engineer: built hardened multi-stage docker images and base-image program for all teams. wrote the internal docker handbook and teach docker externally." }, { "evidence_id": "sj-v004...
{ "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-006803
0.1
0.1
{ "text": "Hands-on OpenAPI", "skill": "OpenAPI", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-006803-e1", "section": "experience", "source_type": "cv", "text": "Software engineer (2021-2024): wrote OpenAPI specs for team services." }, { "evidence_id": "sj-v004-syn-006803-e2", "section": "summary", "source_type": "cv", "text": "Agile/Scrum tea...
{ "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-019558
0.1
0.1
{ "text": "Good understanding of monitoring", "skill": "monitoring", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-019558-e1", "section": "experience", "source_type": "cv", "text": "Backend engineer, 3 years: created dashboards and alerts for services." }, { "evidence_id": "sj-v004-syn-019558-e2", "section": "summary", "source_type": "cv", "text": "Fluent English...
{ "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-027466
0.1
0.1
{ "text": "Practical authorization (RBAC) experience", "skill": "authorization (RBAC)", "group_id": "security", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-027466-e1", "section": "summary", "source_type": "cv", "text": "Profile: 'deep authorization (RBAC) 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-029317
0.1
0.1
{ "text": "Practical performance tuning experience", "skill": "performance tuning", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-029317-e1", "section": "summary", "source_type": "cv", "text": "Haven't worked with performance tuning; my background is elsewhere." }, { "evidence_id": "sj-v004-syn-029317-e2", "section": "summary", "source_type": "cv", "text": "Also worked with Git...
{ "group_id": "reliability_obs", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "explicit_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-017174
0.1
0.1
{ "text": "monitoring experience", "skill": "monitoring", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-017174-e1", "section": "summary", "source_type": "cv", "text": "Self-rated 10/10 in monitoring." }, { "evidence_id": "sj-v004-syn-017174-e2", "section": "summary", "source_type": "cv", "text": "B.Sc. in Computer Science." } ]
{ "group_id": "reliability_obs", "evidence_label": "partial", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "claim_no_detail", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v005-bl3-00023
0.1
0.1
{ "text": "Experience with microservices", "skill": "microservices", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v005-bl3-00023-e1", "section": "experience", "source_type": "cv", "text": "In my current job I built and operated two microservices and fix issues without help." } ]
{ "group_id": "system_design", "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-02732
0.1
0.1
{ "text": "Node.js experience", "skill": "Node.js", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-02732-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Familiar with NodeJS, Express, MongoDB" } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "f677d278-82aa-5280-87c2-8efaa4965cab", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v008-cv-01298
0.1
0.1
{ "text": "Strong GraphQL skills", "skill": "GraphQL", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-01298-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Contributed to an e-commerce project (GraphQL)." } ]
{ "group_id": "api_design", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "convention_v02", "source": "synthetic_v008", "split": "train", "label_status": "synthetic_convention_v0.2" }
sj-v004-syn-010003
0.1
0.1
{ "text": "Node.js (must have)", "skill": "Node.js", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-010003-e1", "section": "interview", "source_type": "interview", "text": "Screening: asked about Node.js, candidate has not worked with it." } ]
{ "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-011701
0.1
0.1
{ "text": "Working knowledge of Python", "skill": "Python", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-011701-e1", "section": "experience", "source_type": "cv", "text": "Resume claims they architected an async Python (FastAPI) platform serving 30 internal teams." }, { "evidence_id": "sj-v004-syn-011701-e2", "section": "interview", "source_type": "intervie...
{ "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-v008-cv-00780
0.1
0.1
{ "text": "Production gRPC skills", "skill": "gRPC", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-00780-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Ran a gRPC study group for university students for a semester." } ]
{ "group_id": "api_design", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "convention_v02", "source": "synthetic_v008", "split": "train", "label_status": "synthetic_convention_v0.2" }
sj-v002-tr-0024
0.1
0.1
{ "text": "Terraform experience", "skill": "Terraform", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v002-tr-0024-e1", "section": "projects", "source_type": "portfolio", "text": "Case study: authored reusable Terraform modules used by 15 teams. Includes architecture diagrams and benchmark results." } ]
{ "group_id": "cloud_devops", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v002", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-014338
0.1
0.1
{ "text": "Strong Go skills", "skill": "Go", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-014338-e1", "section": "experience", "source_type": "cv", "text": "Trainee developer; shadowed seniors who built Go microservices and fixed production bugs." }, { "evidence_id": "sj-v004-syn-014338-e2", "section": "summary", "source_type": "cv", "tex...
{ "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-026458
0.1
0.1
{ "text": "Proven distributed tracing in production", "skill": "distributed tracing", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-026458-e1", "section": "experience", "source_type": "cv", "text": "under supervision i worked on small parts while the team instrumented services with opentelemetry." } ]
{ "group_id": "reliability_obs", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "easy", "case_type": "below_target", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-009552
0.1
0.1
{ "text": "Solid OpenAPI knowledge", "skill": "OpenAPI", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-009552-e1", "section": "experience", "source_type": "cv", "text": "intern then junior: with help from the lead, i contributed while the team wrote openapi specs for team services." }, { "evidence_id": "sj-v004-syn-009552-e2", "section": "summary", "sourc...
{ "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-004531
0.1
0.1
{ "text": "Strong Docker skills", "skill": "Docker", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-004531-e1", "section": "skills_list", "source_type": "cv", "text": "Technologies: Docker, Docker, Scrum, SQL" }, { "evidence_id": "sj-v004-syn-004531-e2", "section": "summary", "source_type": "cv", "text": "Also worked with Git and Jira." } ]
{ "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-028053
0.1
0.1
{ "text": "Hands-on C#/.NET", "skill": "C#/.NET", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-028053-e1", "section": "interview", "source_type": "interview", "text": "Interviewer: zero C#/.NET exposure confirmed by candidate." }, { "evidence_id": "sj-v004-syn-028053-e2", "section": "summary", "source_type": "cv", "text": "B.Sc. in Computer Sc...
{ "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-010063
0.1
0.1
{ "text": "Commercial experience with mentoring", "skill": "mentoring", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-010063-e1", "section": "experience", "source_type": "cv", "text": "In my last role I mentored 6 engineers, 3 promoted, and ran the onboarding program." } ]
{ "group_id": "leadership", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-021016
0.1
0.1
{ "text": "Proven performance tuning in production", "skill": "performance tuning", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-021016-e1", "section": "summary", "source_type": "cv", "text": "No hands-on performance tuning experience yet; planning to learn it." }, { "evidence_id": "sj-v004-syn-021016-e2", "section": "summary", "source_type": "cv", "text": "Fluent English." ...
{ "group_id": "reliability_obs", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "explicit_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v008-cv-00294
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-v008-cv-00294-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Built various applications with scalable system design, Java, Go and SQL." } ]
{ "group_id": "system_design", "evidence_label": "partial", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "convention_v02", "source": "synthetic_v008", "split": "train", "label_status": "synthetic_convention_v0.2" }
sj-v004-real-02639
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-02639-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Free to use both Windows and Linux, Basic knowledge HTML and CSS, Performance, functional, regressive, localization, stress testing, MySQL, YouTrack, ." } ]
{ "group_id": "data_storage", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "acd3ffbc-9388-57ae-ac0b-4f41af1dc7d4", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-029824
0.1
0.1
{ "text": "Strong hands-on mentoring background", "skill": "mentoring", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-029824-e1", "section": "experience", "source_type": "cv", "text": "In my last role I mentored 6 engineers, 3 promoted, and ran the onboarding program." } ]
{ "group_id": "leadership", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-01949
0.1
0.1
{ "text": "Proven AWS in production", "skill": "AWS", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-01949-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Teaching courses as an AWS Authorized Instructor for students with zero or limited experience with cloud-based technology" } ]
{ "group_id": "cloud_devops", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "2abb5703-f7fe-5b41-bd6d-81ced92db265", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-real-01572
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-01572-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Graduated from Java courses in Source IT." } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "c90372e4-9173-56b3-8f96-42e8c02cef90", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": "v0.2" }
sj-v004-real-01328
0.1
0.1
{ "text": "Proven Node.js in production", "skill": "Node.js", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-01328-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Developed and maintained web-apps and sites, using Next.js, React, Node.js" } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "c96f500f-cabe-5b7a-8b2c-3e6e1ec6b2ad", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }