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sj-v004-syn-030467
0.1
0.1
{ "text": "Working knowledge of accessibility", "skill": "accessibility", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-030467-e1", "section": "experience", "source_type": "cv", "text": "delivered features end-to-end where i 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-025282
0.1
0.1
{ "text": "Hands-on microservices", "skill": "microservices", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-025282-e1", "section": "experience", "source_type": "cv", "text": "Side project: small microservices demo built while following an online course." }, { "evidence_id": "sj-v004-syn-025282-e2", "section": "summary", "source_type": "cv", "text": "Based ...
{ "group_id": "system_design", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "easy", "case_type": "toy_project", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-025841
0.1
0.1
{ "text": "Production MySQL skills", "skill": "MySQL", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-025841-e1", "section": "experience", "source_type": "cv", "text": "Resume claims they set up MySQL semi-sync replication and online schema changes at 20k QPS." }, { "evidence_id": "sj-v004-syn-025841-e2", "section": "interview", "source_type": "interview...
{ "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-v005-bl5-01415
0.1
0.1
{ "text": "Production hiring skills", "skill": "hiring", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v005-bl5-01415-e1", "section": "experience", "source_type": "cv", "text": "Organization-level owner of hiring strategy: designed the backend interview loop and conducted 150+ interviews, consulted by every team." } ]
{ "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-000999
0.1
0.1
{ "text": "Commercial experience with static analysis", "skill": "static analysis", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-000999-e1", "section": "experience", "source_type": "cv", "text": "Mid-level developer: fixed static analysis warnings in CI; shipped to production regularly." } ]
{ "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-027305
0.1
0.1
{ "text": "Solid distributed consistency knowledge", "skill": "distributed consistency", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-027305-e1", "section": "projects", "source_type": "portfolio", "text": "personal project: followed a tutorial to try distributed consistency on a toy app." }, { "evidence_id": "sj-v004-syn-027305-e2", "section": "summary", "source_type": "cv", "text"...
{ "group_id": "system_design", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "easy", "case_type": "toy_project", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-021913
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-021913-e1", "section": "experience", "source_type": "cv", "text": "Core contributor to the distributed tracing ecosystem; rolled out OpenTelemetry tracing across 30 services and used it to cut latency 40%." }, { "evidence_id": "sj-v004-syn-021913-e2", "secti...
{ "group_id": "reliability_obs", "evidence_label": "supported", "proficiency_label": "5" }
{ "difficulty": "easy", "case_type": "expert", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-011404
0.1
0.1
{ "text": "Proven scalable system design in production", "skill": "scalable system design", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-011404-e1", "section": "experience", "source_type": "cv", "text": "Tech lead who designed a multi-region system for 20M users with explicit consistency trade-offs, and mentored the team on scalable system design 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-real-01186
0.1
0.1
{ "text": "Python experience", "skill": "Python", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-01186-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Tech stack: Databases (MS SQL Server, PostgreSQL), Python, Grafana." } ]
{ "group_id": "lang_core", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_keyword_list", "source": "djinni_cv_en", "source_record": "2af924a5-108b-5b66-8d5f-206aba0343da", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": "v0....
sj-v004-syn-018305
0.1
0.1
{ "text": "Expert-level Node.js", "skill": "Node.js", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-018305-e1", "section": "skills_list", "source_type": "cv", "text": "Skills: Node.js, Git, Jira, Agile, Linux" }, { "evidence_id": "sj-v004-syn-018305-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-real-05127
0.1
0.1
{ "text": "Redis experience", "skill": "Redis", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-05127-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Currently, I've built a lot of long-term partnerships (you can call it sales), in many countries in CIS, EU, US and Central Asia. I am a modest person but my monthly results usually higher than most of m...
{ "group_id": "data_storage", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "b988135d-2a65-5e89-88a1-f8074452253f", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-syn-004520
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-004520-e1", "section": "experience", "source_type": "cv", "text": "Resume claims they designed SSO with OIDC and token exchange across 10 products." }, { "evidence_id": "sj-v004-syn-004520-e2", "section": "interview", "source_type": "interview", "tex...
{ "group_id": "security", "evidence_label": "contradicted", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "cv_vs_interview", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v008-cv-00747
0.1
0.1
{ "text": "Experience with state management", "skill": "state management", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-00747-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Built various applications with state management, Java, Go and SQL." } ]
{ "group_id": "frontend", "evidence_label": "partial", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "convention_v02", "source": "synthetic_v008", "split": "train", "label_status": "synthetic_convention_v0.2" }
sj-v008-cv-00498
0.1
0.1
{ "text": "Commercial MySQL experience", "skill": "MySQL", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-00498-e1", "section": "cv_excerpt", "source_type": "cv", "text": "At my previous startup I set up MySQL semi-sync replication and online schema changes at 20k QPS." } ]
{ "group_id": "data_storage", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "hard", "case_type": "convention_v02", "source": "synthetic_v008", "split": "train", "label_status": "synthetic_convention_v0.2" }
sj-v004-syn-022444
0.1
0.1
{ "text": "Deep code review expertise", "skill": "code review", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-022444-e1", "section": "summary", "source_type": "cv", "text": "code review guru, top expert level." }, { "evidence_id": "sj-v004-syn-022444-e2", "section": "summary", "source_type": "cv", "text": "Agile/Scrum teams of 5-8 people." } ]
{ "group_id": "testing_quality", "evidence_label": "partial", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "claim_no_detail", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-00558
0.1
0.1
{ "text": "Java experience", "skill": "Java", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-00558-e1", "section": "cv_excerpt", "source_type": "cv", "text": "The main technology stack is built on Kotlin and Java programming languages for Android developing." } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "132af619-e399-5f58-a733-62357da335d0", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-002319
0.1
0.1
{ "text": "Commercial experience with scalable system design", "skill": "scalable system design", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-002319-e1", "section": "experience", "source_type": "cv", "text": "senior engineer (2019-2024): designed a multi-region system for 20m users with explicit consistency trade-offs." } ]
{ "group_id": "system_design", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-002274
0.1
0.1
{ "text": "Expert-level web performance", "skill": "web performance", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-002274-e1", "section": "experience", "source_type": "cv", "text": "Software engineer (2021-2024): optimized bundle size with code splitting." } ]
{ "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-004251
0.1
0.1
{ "text": "Docker experience", "skill": "Docker", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-004251-e1", "section": "summary", "source_type": "cv", "text": "I have no experience with Docker at all." } ]
{ "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-019810
0.1
0.1
{ "text": "authorization (RBAC) (must have)", "skill": "authorization (RBAC)", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-019810-e1", "section": "experience", "source_type": "cv", "text": "Contributed peripheral tickets to a project where the team designed fine-grained RBAC/ABAC service used by all products." } ]
{ "group_id": "security", "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-011990
0.1
0.1
{ "text": "Practical caching strategy experience", "skill": "caching strategy", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-011990-e1", "section": "experience", "source_type": "cv", "text": "Contributed peripheral tickets to a project where the team designed multi-layer caching (CDN, Redis, local) cutting DB load 70%." }, { "evidence_id": "sj-v004-syn-011990-e2", "section": "summ...
{ "group_id": "system_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-017698
0.1
0.1
{ "text": "Production TypeScript (frontend) skills", "skill": "TypeScript (frontend)", "group_id": "frontend", "target_level": 3, "importance": "must" }
[]
{ "group_id": "frontend", "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-005470
0.1
0.1
{ "text": "integration testing experience", "skill": "integration testing", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-005470-e1", "section": "experience", "source_type": "cv", "text": "Bootcamp assignment: basic integration testing exercise." }, { "evidence_id": "sj-v004-syn-005470-e2", "section": "summary", "source_type": "cv", "text": "Fluent English." } ]
{ "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-005703
0.1
0.1
{ "text": "Hands-on database migrations", "skill": "database migrations", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-005703-e1", "section": "skills_list", "source_type": "cv", "text": "Stack: database migrations, Jira, Confluence, Git" }, { "evidence_id": "sj-v004-syn-005703-e2", "section": "summary", "source_type": "cv", "text": "Looking for a product company." ...
{ "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-028574
0.1
0.1
{ "text": "Deep Node.js expertise", "skill": "Node.js", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-028574-e1", "section": "experience", "source_type": "cv", "text": "As distinguished engineer I led the Node.js/TypeScript gateway rewrite reducing p99 from 900ms to 120ms; I am the go-to Node.js authority company-wide and publish on Node.js." }, { "evidence_id":...
{ "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-017165
0.1
0.1
{ "text": "Strong hands-on GraphQL background", "skill": "GraphQL", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-017165-e1", "section": "projects", "source_type": "portfolio", "text": "Case study: designed a federated GraphQL schema with dataloader batching for 8 teams. Includes architecture diagrams and benchmark results." } ]
{ "group_id": "api_design", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-023489
0.1
0.1
{ "text": "Good understanding of Rust", "skill": "Rust", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-023489-e1", "section": "experience", "source_type": "cv", "text": "Our squad implemented a Rust log shipper replacing Logstash, 10x lower CPU; I mainly fixed bugs and wrote docs." } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "team_credit", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-029426
0.1
0.1
{ "text": "Production GraphQL skills", "skill": "GraphQL", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-029426-e1", "section": "experience", "source_type": "cv", "text": "Tech lead who designed a federated GraphQL schema with dataloader batching for 8 teams, and mentored the team on GraphQL practices." } ]
{ "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-v004-real-03342
0.1
0.1
{ "text": "MySQL experience", "skill": "MySQL", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-03342-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Basic experience with PHP, MySQL, Backbone.js" } ]
{ "group_id": "data_storage", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "b143ed40-8266-54d0-a0d3-893daf3805ee", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v003-rtr-0016
0.1
0.1
{ "text": "mentoring experience", "skill": "mentoring", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v003-rtr-0016-e1", "section": "cv_excerpt", "source_type": "cv", "text": "2 years of experience in the field of teaching and mentoring, and in customer support." } ]
{ "group_id": "leadership", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_years_hands_on", "source": "djinni_cv_en", "source_record": "5dcf86e4-f6df-53a9-996c-5ee5dcab3f7a", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": "v...
sj-v004-real-03317
0.1
0.1
{ "text": "Strong Python skills", "skill": "Python", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-03317-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Built a loans collections prediction model using Python" } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "6a6b66f6-9826-5506-aab3-02a115f82d09", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-018751
0.1
0.1
{ "text": "Expert-level CI/CD", "skill": "CI/CD", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-018751-e1", "section": "skills_list", "source_type": "cv", "text": "Stack: CI/CD, Jira, Confluence, Git" }, { "evidence_id": "sj-v004-syn-018751-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-007549
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-007549-e1", "section": "experience", "source_type": "cv", "text": "junior engineer (10 months): helped the team when it designed a single service including data model and failure modes, under a senior's guidance." } ]
{ "group_id": "system_design", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "easy", "case_type": "below_target", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-001375
0.1
0.1
{ "text": "Working knowledge of SLO/SLI", "skill": "SLO/SLI", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-001375-e1", "section": "experience", "source_type": "cv", "text": "Did a SLO/SLI tutorial and a hello-world app on GitHub." } ]
{ "group_id": "reliability_obs", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "easy", "case_type": "toy_project", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-021109
0.1
0.1
{ "text": "Working knowledge of secrets management", "skill": "secrets management", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-021109-e1", "section": "summary", "source_type": "cv", "text": "Self-rated 10/10 in secrets management." } ]
{ "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-005138
0.1
0.1
{ "text": "Expert-level Node.js", "skill": "Node.js", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-005138-e1", "section": "experience", "source_type": "cv", "text": "Owned the initiative where I led the Node.js/TypeScript gateway rewrite reducing p99 from 900ms to 120ms, and drove Node.js 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-v004-syn-011424
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-011424-e1", "section": "skills_list", "source_type": "cv", "text": "Skills: Docker, Git, Jira, Agile, Linux" }, { "evidence_id": "sj-v004-syn-011424-e2", "section": "summary", "source_type": "cv", "text": "Fluent English." } ]
{ "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-v005-bl4-01193
0.1
0.1
{ "text": "Hands-on scalable system design", "skill": "scalable system design", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v005-bl4-01193-e1", "section": "experience", "source_type": "cv", "text": "Owned architecture and delivery: designed a multi-region system for 20M users with explicit consistency trade-offs." } ]
{ "group_id": "system_design", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "hard", "case_type": "boundary_l4", "source": "synthetic_v005", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-030247
0.1
0.1
{ "text": "Hands-on OAuth2/OIDC", "skill": "OAuth2/OIDC", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-030247-e1", "section": "experience", "source_type": "cv", "text": "senior engineer (2019-2024): 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-syn-008184
0.1
0.1
{ "text": "Deep MongoDB expertise", "skill": "MongoDB", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-008184-e1", "section": "experience", "source_type": "cv", "text": "main stack: dynamodb. delivered several production projects with it." }, { "evidence_id": "sj-v004-syn-008184-e2", "section": "summary", "source_type": "cv", "text": "based in europe,...
{ "group_id": "data_storage", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "adjacent_tech", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-029434
0.1
0.1
{ "text": "Working knowledge of web performance", "skill": "web performance", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-029434-e1", "section": "experience", "source_type": "cv", "text": "Our team improved Core Web Vitals (LCP 4.1s to 1.6s) across the storefront. My contribution: tests and documentation." } ]
{ "group_id": "frontend", "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-001167
0.1
0.1
{ "text": "Strong hands-on GCP background", "skill": "GCP", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-001167-e1", "section": "experience", "source_type": "cv", "text": "Main stack: AWS. Delivered several production projects with it." }, { "evidence_id": "sj-v004-syn-001167-e2", "section": "summary", "source_type": "cv", "text": "Fluent English." } ...
{ "group_id": "cloud_devops", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "adjacent_tech", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-028532
0.1
0.1
{ "text": "Experience with incident response", "skill": "incident response", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-028532-e1", "section": "interview", "source_type": "interview", "text": "interview notes: candidate stated they never used incident response." }, { "evidence_id": "sj-v004-syn-028532-e2", "section": "summary", "source_type": "cv", "text": "based in e...
{ "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-002774
0.1
0.1
{ "text": "Good understanding of PostgreSQL", "skill": "PostgreSQL", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-002774-e1", "section": "experience", "source_type": "cv", "text": "Backend engineer, 3 years: wrote migrations and optimized slow PostgreSQL queries." }, { "evidence_id": "sj-v004-syn-002774-e2", "section": "summary", "source_type": "cv", "text": "B....
{ "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-031264
0.1
0.1
{ "text": "Solid scalable system design knowledge", "skill": "scalable system design", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-031264-e1", "section": "experience", "source_type": "cv", "text": "Software engineer (2021-2024): designed a single service including data model and failure modes." }, { "evidence_id": "sj-v004-syn-031264-e2", "section": "summary", "source_type": "cv", ...
{ "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-002195
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-syn-002195-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-029785
0.1
0.1
{ "text": "Working knowledge of OWASP secure coding", "skill": "OWASP secure coding", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-029785-e1", "section": "experience", "source_type": "cv", "text": "Backend engineer, 3 years: fixed OWASP findings from pentests." } ]
{ "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-025939
0.1
0.1
{ "text": "Practical unit testing experience", "skill": "unit testing", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-025939-e1", "section": "interview", "source_type": "interview", "text": "Screening: asked about unit testing, candidate has not worked with it." }, { "evidence_id": "sj-v004-syn-025939-e2", "section": "summary", "source_type": "cv", "text": "B.Sc. in...
{ "group_id": "testing_quality", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "verified_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-026733
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-026733-e1", "section": "experience", "source_type": "cv", "text": "Side project: small event-driven architecture demo built while following an online course." } ]
{ "group_id": "system_design", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "easy", "case_type": "toy_project", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-017489
0.1
0.1
{ "text": "Solid React knowledge", "skill": "React", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-017489-e1", "section": "experience", "source_type": "cv", "text": "Principal engineer: architected React micro-frontend platform for 6 teams; recognized as React authority and gave conference talks on it." } ]
{ "group_id": "frontend", "evidence_label": "supported", "proficiency_label": "5" }
{ "difficulty": "easy", "case_type": "expert", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-024983
0.1
0.1
{ "text": "Hands-on technical design docs", "skill": "technical design docs", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-024983-e1", "section": "projects", "source_type": "portfolio", "text": "Case study: authored RFCs that set architecture direction for the org. Includes architecture diagrams and benchmark results." } ]
{ "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-v002-tr-0257
0.1
0.1
{ "text": "Proven state management in production", "skill": "state management", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v002-tr-0257-e1", "section": "skills_list", "source_type": "cv", "text": "Technologies: Docker, state management, Scrum, SQL" } ]
{ "group_id": "frontend", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v002", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-009115
0.1
0.1
{ "text": "Practical AWS experience", "skill": "AWS", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-009115-e1", "section": "skills_list", "source_type": "cv", "text": "Keywords: Agile, AWS, Linux, REST" }, { "evidence_id": "sj-v004-syn-009115-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-real-03104
0.1
0.1
{ "text": "Python experience", "skill": "Python", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-03104-e1", "section": "cv_excerpt", "source_type": "cv", "text": "List of passed topics: Python, EDA, Statistics, Regression, Classification, Clustering, Time Series, Neural Networks, Basic CV, Basic NLP." } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "5485697f-7f25-53b3-8bb7-c716b23f80ad", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-001774
0.1
0.1
{ "text": "TypeScript (frontend) experience", "skill": "TypeScript (frontend)", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-001774-e1", "section": "skills_list", "source_type": "cv", "text": "Technologies: Docker, TypeScript (frontend), Scrum, SQL" }, { "evidence_id": "sj-v004-syn-001774-e2", "section": "summary", "source_type": "cv", "text": "B.Sc. in Computer Science." ...
{ "group_id": "frontend", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-02276
0.1
0.1
{ "text": "Strong AWS skills", "skill": "AWS", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-02276-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Mar-2021 - Till now Tasks performed: • Developed ETL batch Spark job, covered with unit tests • Gained experience with AWS services(Glue, SNS, CloudWatch, Cloudformation, SecretsManager, IAM, S3)." } ]
{ "group_id": "cloud_devops", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "7960bef7-2709-55f2-86fc-557b2f3b7d8c", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-015525
0.1
0.1
{ "text": "Hands-on authorization (RBAC)", "skill": "authorization (RBAC)", "group_id": "security", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-015525-e1", "section": "experience", "source_type": "cv", "text": "Delivered features end-to-end where I implemented role checks in APIs." }, { "evidence_id": "sj-v004-syn-015525-e2", "section": "summary", "source_type": "cv", "text": "Also worked wi...
{ "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-013055
0.1
0.1
{ "text": "static analysis experience", "skill": "static analysis", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-013055-e1", "section": "experience", "source_type": "cv", "text": "Software engineer (2021-2024): fixed static analysis warnings in CI." }, { "evidence_id": "sj-v004-syn-013055-e2", "section": "summary", "source_type": "cv", "text": "Based in Europe,...
{ "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-v005-bl4-00671
0.1
0.1
{ "text": "Experience with Kubernetes", "skill": "Kubernetes", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v005-bl4-00671-e1", "section": "experience", "source_type": "cv", "text": "Designed and led: designed multi-cluster Kubernetes platform with autoscaling and GitOps for 40 services, with measurable outcomes." } ]
{ "group_id": "cloud_devops", "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-02903
0.1
0.1
{ "text": "Strong Python skills", "skill": "Python", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-02903-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Adaptive Python developer with 3+ years of commercial experience." } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_years_hands_on", "source": "djinni_cv_en", "source_record": "9938284b-4a6d-5d85-b34f-a5b5506f8e5a", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": "v...
sj-v006-c-00738
0.1
0.1
{ "text": "Commercial mentoring experience", "skill": "mentoring", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v006-c-00738-e1", "section": "experience", "source_type": "cv", "text": "My team mentored 6 engineers, 3 promoted, and ran the onboarding program; I only wrote some tests around it." } ]
{ "group_id": "leadership", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "contrast_partial_supported", "source": "synthetic_v006", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-03701
0.1
0.1
{ "text": "React experience", "skill": "React", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-03701-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Technology: TypeScript, React, MobX, Styled-Components, React Hooks, Ant-Design, i18n, Axios, Git." } ]
{ "group_id": "frontend", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_keyword_list", "source": "djinni_cv_en", "source_record": "0967babf-e521-5677-ab7b-57be2be23aae", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2"...
sj-v004-syn-028666
0.1
0.1
{ "text": "Expert-level unit testing", "skill": "unit testing", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-028666-e1", "section": "experience", "source_type": "cv", "text": "Junior engineer (10 months): helped the team when it wrote unit tests for all features, under a senior's guidance." } ]
{ "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-025452
0.1
0.1
{ "text": "Solid Kotlin knowledge", "skill": "Kotlin", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-025452-e1", "section": "experience", "source_type": "cv", "text": "Backend engineer, 3 years: built Ktor endpoints in production." } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "easy", "case_type": "direct_moderate", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-006025
0.1
0.1
{ "text": "Hands-on distributed tracing", "skill": "distributed tracing", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-006025-e1", "section": "skills_list", "source_type": "cv", "text": "Keywords: Agile, distributed tracing, Linux, REST" } ]
{ "group_id": "reliability_obs", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-002287
0.1
0.1
{ "text": "Commercial experience with incident response", "skill": "incident response", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-002287-e1", "section": "summary", "source_type": "cv", "text": "Haven't worked with incident response; my background is elsewhere." }, { "evidence_id": "sj-v004-syn-002287-e2", "section": "summary", "source_type": "cv", "text": "B.Sc. in Computer Sci...
{ "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-020495
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-020495-e1", "section": "skills_list", "source_type": "cv", "text": "Keywords: Agile, monitoring, Linux, REST" } ]
{ "group_id": "reliability_obs", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-015663
0.1
0.1
{ "text": "Solid AWS knowledge", "skill": "AWS", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-015663-e1", "section": "experience", "source_type": "cv", "text": "Delivered features end-to-end where I deployed services on AWS ECS and RDS." } ]
{ "group_id": "cloud_devops", "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-022724
0.1
0.1
{ "text": "Expert-level code review", "skill": "code review", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-022724-e1", "section": "skills_list", "source_type": "cv", "text": "Keywords: Agile, code review, Linux, REST" }, { "evidence_id": "sj-v004-syn-022724-e2", "section": "summary", "source_type": "cv", "text": "Fluent English." } ]
{ "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-023136
0.1
0.1
{ "text": "Production microservices skills", "skill": "microservices", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-023136-e1", "section": "experience", "source_type": "cv", "text": "junior engineer (10 months): helped the team when it built and operated two microservices, under a senior's guidance." }, { "evidence_id": "sj-v004-syn-023136-e2", "section": "summary", "...
{ "group_id": "system_design", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "easy", "case_type": "below_target", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-002648
0.1
0.1
{ "text": "Deep Java expertise", "skill": "Java", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-002648-e1", "section": "education", "source_type": "cv", "text": "University course project using Java for a simple CRUD demo." }, { "evidence_id": "sj-v004-syn-002648-e2", "section": "summary", "source_type": "cv", "text": "Fluent English." } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "easy", "case_type": "toy_project", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-00845
0.1
0.1
{ "text": "Proven Python in production", "skill": "Python", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-00845-e1", "section": "cv_excerpt", "source_type": "cv", "text": "I also had built some projects in my college using the programming language like html,CSS, JavaScript, bootstrap, python etc." } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "232d67a0-9b66-5a36-9e10-b1aff61918d9", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-023431
0.1
0.1
{ "text": "Strong Redis skills", "skill": "Redis", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-023431-e1", "section": "experience", "source_type": "cv", "text": "Trainee developer; shadowed seniors who added Redis caching with TTL invalidation." }, { "evidence_id": "sj-v004-syn-023431-e2", "section": "summary", "source_type": "cv", "text": "Lo...
{ "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-v008-cv-01226
0.1
0.1
{ "text": "Strong SLO/SLI skills", "skill": "SLO/SLI", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-01226-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Completed an online SLO/SLI course with a certificate." } ]
{ "group_id": "reliability_obs", "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-06920
0.1
0.1
{ "text": "Strong Docker skills", "skill": "Docker", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-06920-e1", "section": "cv_excerpt", "source_type": "cv", "text": "9+ years of software development experience with 2 years of exclusive experience in Android Application development with Android SDK. The app that turns the Android smartphone into a home security camera...
{ "group_id": "cloud_devops", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "f43d24e8-0ff5-5631-bc61-a951074abb78", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-syn-021588
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-021588-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-002898
0.1
0.1
{ "text": "Proven ownership in production", "skill": "ownership", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-002898-e1", "section": "skills_list", "source_type": "cv", "text": "Stack: ownership, Jira, Confluence, Git" }, { "evidence_id": "sj-v004-syn-002898-e2", "section": "summary", "source_type": "cv", "text": "Fluent English." } ]
{ "group_id": "leadership", "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-024407
0.1
0.1
{ "text": "Hands-on Elasticsearch", "skill": "Elasticsearch", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-024407-e1", "section": "experience", "source_type": "cv", "text": "Software engineer (2021-2024): built search features on Elasticsearch." } ]
{ "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-v008-cv-00621
0.1
0.1
{ "text": "Hands-on OpenAPI", "skill": "OpenAPI", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-00621-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Picked up OpenAPI while working on a client project." } ]
{ "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-030117
0.1
0.1
{ "text": "Good understanding of hiring", "skill": "hiring", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-030117-e1", "section": "summary", "source_type": "cv", "text": "I have no experience with hiring at all." } ]
{ "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-real-05968
0.1
0.1
{ "text": "GCP experience", "skill": "GCP", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-05968-e1", "section": "cv_excerpt", "source_type": "cv", "text": "E5 Training: Business Analysis Essentials Genius Space: Project Management 10.0 course QATestLab Training Center - The Fundamentals of Software Testing" } ]
{ "group_id": "cloud_devops", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "525150f7-04f3-57af-bf7b-4a7fe8625810", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v006-c-00069
0.1
0.1
{ "text": "Experience with mentoring", "skill": "mentoring", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v006-c-00069-e1", "section": "experience", "source_type": "cv", "text": "Used mentoring on a small internal tool with help from a senior colleague." } ]
{ "group_id": "leadership", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "contrast_partial_supported", "source": "synthetic_v006", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-003812
0.1
0.1
{ "text": "Commercial experience with code review", "skill": "code review", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-003812-e1", "section": "experience", "source_type": "cv", "text": "trainee developer; shadowed seniors who reviewed teammates' pull requests." }, { "evidence_id": "sj-v004-syn-003812-e2", "section": "summary", "source_type": "cv", "text": "looking fo...
{ "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-010091
0.1
0.1
{ "text": "Solid Terraform knowledge", "skill": "Terraform", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-010091-e1", "section": "interview", "source_type": "interview", "text": "Screening: asked about Terraform, candidate has not worked with it." } ]
{ "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-009977
0.1
0.1
{ "text": "Practical C#/.NET experience", "skill": "C#/.NET", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-009977-e1", "section": "experience", "source_type": "cv", "text": "Senior backend developer; key achievement: architected .NET 8 order platform across 12 services." } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-02957
0.1
0.1
{ "text": "Strong Java skills", "skill": "Java", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-02957-e1", "section": "cv_excerpt", "source_type": "cv", "text": "7 years of experience in Android Software development using Kotlin and 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": "4cf1b38d-aefc-51d3-b32b-aaecb5182a83", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": "v...
sj-v004-syn-008769
0.1
0.1
{ "text": "Good understanding of encryption", "skill": "encryption", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-008769-e1", "section": "experience", "source_type": "cv", "text": "Assisted on tasks where the team enabled TLS and field encryption for user data; picked tickets prepared by the lead." }, { "evidence_id": "sj-v004-syn-008769-e2", "section": "summary", "...
{ "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-real-01991
0.1
0.1
{ "text": "Kubernetes experience", "skill": "Kubernetes", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-01991-e1", "section": "cv_excerpt", "source_type": "cv", "text": "It would be great to continue working with GitOps, Kubernetes, Helm, GitLab CI and continue learning something new." } ]
{ "group_id": "cloud_devops", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "ff3d85c7-6216-5f95-8edf-08514d60c6f2", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-025155
0.1
0.1
{ "text": "Strong web performance skills", "skill": "web performance", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-025155-e1", "section": "experience", "source_type": "cv", "text": "Did a web performance tutorial and a hello-world app on GitHub." } ]
{ "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-004998
0.1
0.1
{ "text": "Practical AWS experience", "skill": "AWS", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-004998-e1", "section": "experience", "source_type": "cv", "text": "Contributed peripheral tickets to a project where the team designed AWS multi-account landing zone (EKS, RDS, IAM) for the company." }, { "evidence_id": "sj-v004-syn-004998-e2", "section": "s...
{ "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-007440
0.1
0.1
{ "text": "Strong hands-on technical design docs background", "skill": "technical design docs", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-007440-e1", "section": "experience", "source_type": "cv", "text": "Summary: Team member on the payments squad (2021-2024). Hobbies: football." } ]
{ "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-007566
0.1
0.1
{ "text": "Solid mentoring knowledge", "skill": "mentoring", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-007566-e1", "section": "skills_list", "source_type": "cv", "text": "Technologies: Docker, mentoring, Scrum, SQL" }, { "evidence_id": "sj-v004-syn-007566-e2", "section": "summary", "source_type": "cv", "text": "Agile/Scrum teams of 5-8 people." } ]
{ "group_id": "leadership", "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-00591
0.1
0.1
{ "text": "Proven API versioning in production", "skill": "API versioning", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-00591-e1", "section": "cv_excerpt", "source_type": "cv", "text": "As a junior I assisted teammates who shipped v2 of an internal API with backward compatibility." } ]
{ "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-008847
0.1
0.1
{ "text": "Practical Java experience", "skill": "Java", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-008847-e1", "section": "experience", "source_type": "cv", "text": "For 2.5 years I owned Spring Boot services end-to-end as the main developer of the service." } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "easy", "case_type": "direct_moderate", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-027205
0.1
0.1
{ "text": "Practical AWS experience", "skill": "AWS", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-027205-e1", "section": "experience", "source_type": "cv", "text": "Trainee developer; shadowed seniors who deployed services on AWS ECS and RDS." } ]
{ "group_id": "cloud_devops", "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-023398
0.1
0.1
{ "text": "Deep scalable system design expertise", "skill": "scalable system design", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-023398-e1", "section": "summary", "source_type": "cv", "text": "I have not used scalable system design 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-023505
0.1
0.1
{ "text": "Working knowledge of encryption", "skill": "encryption", "group_id": "security", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-023505-e1", "section": "experience", "source_type": "cv", "text": "CV: designed envelope encryption with KMS for PII at rest." }, { "evidence_id": "sj-v004-syn-023505-e2", "section": "interview", "source_type": "interview", "text": "Interview: candid...
{ "group_id": "security", "evidence_label": "contradicted", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "cv_vs_interview", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v008-cv-00385
0.1
0.1
{ "text": "Hands-on OAuth2/OIDC", "skill": "OAuth2/OIDC", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-00385-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Completed an online OAuth2/OIDC course with a certificate." } ]
{ "group_id": "security", "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-024735
0.1
0.1
{ "text": "Deep PostgreSQL expertise", "skill": "PostgreSQL", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-024735-e1", "section": "experience", "source_type": "cv", "text": "Independently wrote migrations and optimized slow PostgreSQL queries; on-call owner for it." }, { "evidence_id": "sj-v004-syn-024735-e2", "section": "summary", "source_type": "cv", "t...
{ "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-023366
0.1
0.1
{ "text": "Proven GraphQL in production", "skill": "GraphQL", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-023366-e1", "section": "experience", "source_type": "cv", "text": "Main stack: REST. Delivered several production projects with it." }, { "evidence_id": "sj-v004-syn-023366-e2", "section": "summary", "source_type": "cv", "text": "Fluent English." }...
{ "group_id": "api_design", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "adjacent_tech", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }