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sj-v004-syn-026130
0.1
0.1
{ "text": "unit testing experience", "skill": "unit testing", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-026130-e1", "section": "experience", "source_type": "cv", "text": "Senior engineer (2019-2024): set testing standards and raised coverage from 30% to 85% across the org." }, { "evidence_id": "sj-v004-syn-026130-e2", "section": "summary", "source_type": "...
{ "group_id": "testing_quality", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-004171
0.1
0.1
{ "text": "Commercial experience with PostgreSQL", "skill": "PostgreSQL", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-004171-e1", "section": "summary", "source_type": "cv", "text": "i have not used postgresql professionally or in projects; my experience is in other areas." } ]
{ "group_id": "data_storage", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "explicit_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-02650
0.1
0.1
{ "text": "React experience", "skill": "React", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-02650-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Implemented different functionalities: filters, tables, calendars, selects, dropdowns, modal windows, Form Editor, Created landing pages on React with Hooks" } ]
{ "group_id": "frontend", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "0731a2af-0005-5a60-a998-0c05087d75a9", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v005-bl4-00928
0.1
0.1
{ "text": "Strong MongoDB skills", "skill": "MongoDB", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v005-bl4-00928-e1", "section": "experience", "source_type": "cv", "text": "Senior engineer and design owner: modeled sharded MongoDB collections for 2B documents." } ]
{ "group_id": "data_storage", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "hard", "case_type": "boundary_l4", "source": "synthetic_v005", "split": "train", "label_status": "synthetic_needs_review" }
sj-v006-c-01201
0.1
0.1
{ "text": "Commercial distributed tracing experience", "skill": "distributed tracing", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v006-c-01201-e1", "section": "experience", "source_type": "cv", "text": "Freelance: delivered several client projects where I instrumented services with OpenTelemetry." } ]
{ "group_id": "reliability_obs", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "contrast_partial_supported", "source": "synthetic_v006", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-00595
0.1
0.1
{ "text": "Strong code review skills", "skill": "code review", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-00595-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Conducted code reviews, identified bottlenecks, and implemented improvements to enhance the user experience." } ]
{ "group_id": "testing_quality", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "840c30cc-627f-5158-9871-768b4417d575", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-002591
0.1
0.1
{ "text": "Strong hands-on ownership background", "skill": "ownership", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-002591-e1", "section": "experience", "source_type": "cv", "text": "Claimed: owned the payments domain end-to-end including roadmap and on-call." }, { "evidence_id": "sj-v004-syn-002591-e2", "section": "interview", "source_type": "interview", "text": ...
{ "group_id": "leadership", "evidence_label": "contradicted", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "cv_vs_interview", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v008-cv-00908
0.1
0.1
{ "text": "Strong unit testing skills", "skill": "unit testing", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-00908-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Covered unit testing fundamentals and exercises in a training program." } ]
{ "group_id": "testing_quality", "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-017572
0.1
0.1
{ "text": "encryption (must have)", "skill": "encryption", "group_id": "security", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-017572-e1", "section": "skills_list", "source_type": "cv", "text": "Stack: encryption, Jira, Confluence, Git" } ]
{ "group_id": "security", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-012785
0.1
0.1
{ "text": "Working knowledge of Node.js", "skill": "Node.js", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-012785-e1", "section": "skills_list", "source_type": "cv", "text": "tools: git, node.js, docker, postman, jira" }, { "evidence_id": "sj-v004-syn-012785-e2", "section": "summary", "source_type": "cv", "text": "based in europe, open to remote." } ]
{ "group_id": "lang_core", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-013097
0.1
0.1
{ "text": "Solid hiring knowledge", "skill": "hiring", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-013097-e1", "section": "experience", "source_type": "cv", "text": "In my last role I designed the backend interview loop and conducted 150+ interviews." } ]
{ "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-v006-c-00130
0.1
0.1
{ "text": "Strong ownership skills", "skill": "ownership", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v006-c-00130-e1", "section": "experience", "source_type": "cv", "text": "My team owned the payments domain end-to-end including roadmap and on-call; 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-syn-000433
0.1
0.1
{ "text": "Expert-level unit testing", "skill": "unit testing", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-000433-e1", "section": "experience", "source_type": "cv", "text": "technical writer producing api documentation." } ]
{ "group_id": "testing_quality", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "missing_skill", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v006-c-01483
0.1
0.1
{ "text": "Hands-on GraphQL", "skill": "GraphQL", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v006-c-01483-e1", "section": "experience", "source_type": "cv", "text": "Built and operated GraphQL components in production for 2+ years: built GraphQL resolvers for the mobile app." } ]
{ "group_id": "api_design", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "contrast_partial_supported", "source": "synthetic_v006", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-025060
0.1
0.1
{ "text": "Hands-on Kafka", "skill": "Kafka", "group_id": "system_design", "target_level": 3, "importance": "must" }
[]
{ "group_id": "system_design", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "easy", "case_type": "no_evidence", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-012549
0.1
0.1
{ "text": "Production ownership skills", "skill": "ownership", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-012549-e1", "section": "skills_list", "source_type": "cv", "text": "Stack: ownership, Jira, Confluence, Git" }, { "evidence_id": "sj-v004-syn-012549-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-018582
0.1
0.1
{ "text": "Commercial experience with C#/.NET", "skill": "C#/.NET", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-018582-e1", "section": "experience", "source_type": "cv", "text": "Did a C#/.NET tutorial and a hello-world app on GitHub." }, { "evidence_id": "sj-v004-syn-018582-e2", "section": "summary", "source_type": "cv", "text": "Looking for a product company...
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "easy", "case_type": "toy_project", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-026318
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-026318-e1", "section": "experience", "source_type": "cv", "text": "Mid-level developer: used AWS Secrets Manager in services; shipped to production regularly." }, { "evidence_id": "sj-v004-syn-026318-e2", "section": "summary", "source_type": "cv", "t...
{ "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-008240
0.1
0.1
{ "text": "Proven caching strategy in production", "skill": "caching strategy", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-008240-e1", "section": "experience", "source_type": "cv", "text": "Tech lead who designed multi-layer caching (CDN, Redis, local) cutting DB load 70%, and mentored the team on caching strategy 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-v005-bl4-01090
0.1
0.1
{ "text": "Experience with distributed consistency", "skill": "distributed consistency", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v005-bl4-01090-e1", "section": "experience", "source_type": "cv", "text": "Senior engineer and design owner: designed idempotent, eventually consistent ledger with reconciliation." } ]
{ "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-real-04060
0.1
0.1
{ "text": "Strong React skills", "skill": "React", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-04060-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Developed dynamic interfaces using Clojure, ClojureScript, JavaScript, React, SCSS." } ]
{ "group_id": "frontend", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "94865d3e-62b0-5b49-96e4-1a5fec92746f", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-002288
0.1
0.1
{ "text": "AWS experience", "skill": "AWS", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-002288-e1", "section": "experience", "source_type": "cv", "text": "The platform team designed AWS multi-account landing zone (EKS, RDS, IAM) for the company. I joined late and handled minor tasks." } ]
{ "group_id": "cloud_devops", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "team_credit", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-007236
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-007236-e1", "section": "summary", "source_type": "cv", "text": "I have no experience with PostgreSQL at all." } ]
{ "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-v005-bl3-00575
0.1
0.1
{ "text": "Production microservices skills", "skill": "microservices", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v005-bl3-00575-e1", "section": "experience", "source_type": "cv", "text": "Over 3 years I built and operated two microservices; feature owner, no design ownership." } ]
{ "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-01107
0.1
0.1
{ "text": "Proven AWS in production", "skill": "AWS", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-01107-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Implemented an Auto scaling and load balanced deployment pipeline with AWS ECR/ECS." } ]
{ "group_id": "cloud_devops", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "e40974df-2de4-535e-9222-0d2ce15eab2f", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-023336
0.1
0.1
{ "text": "Working knowledge of Kotlin", "skill": "Kotlin", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-023336-e1", "section": "experience", "source_type": "cv", "text": "Lead engineer 2018-2023: designed Kotlin coroutine-based backend for 5M MAU app." }, { "evidence_id": "sj-v004-syn-023336-e2", "section": "summary", "source_type": "cv", "text": "Flue...
{ "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-04480
0.1
0.1
{ "text": "Strong React skills", "skill": "React", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-04480-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Tech stack: HTML, CSS, JavaScript, TypeScript, React, Redux, Context, Next.js, Strapi CMS, REST, Sass, Figma." } ]
{ "group_id": "frontend", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_keyword_list", "source": "djinni_cv_en", "source_record": "f5ee6e85-5a02-50fe-8fff-3967df0c79bd", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2"...
sj-v004-real-02828
0.1
0.1
{ "text": "microservices experience", "skill": "microservices", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-02828-e1", "section": "cv_excerpt", "source_type": "cv", "text": "As a .Net developer with over 12 years of experience and expertise in .Net, .Net Core, Asp.Net, Entity Framework Core, Microservices, and Web Technologies, I am a highly skilled and experienced software ...
{ "group_id": "system_design", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_years_hands_on", "source": "djinni_cv_en", "source_record": "3bb981a9-0b00-5ba5-b7a1-60fa3b822985", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0....
sj-v004-syn-013732
0.1
0.1
{ "text": "distributed tracing (must have)", "skill": "distributed tracing", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-013732-e1", "section": "summary", "source_type": "cv", "text": "Expert in distributed tracing with 10 years of experience." }, { "evidence_id": "sj-v004-syn-013732-e2", "section": "summary", "source_type": "cv", "text": "Also worked with Git and Jira...
{ "group_id": "reliability_obs", "evidence_label": "partial", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "claim_no_detail", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-02060
0.1
0.1
{ "text": "Strong GCP skills", "skill": "GCP", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-02060-e1", "section": "cv_excerpt", "source_type": "cv", "text": "4+ years experience of DevOps, deploying and supporting services and applications, development of new infrastructure features, re-platforming applications to GCP cloud." } ]
{ "group_id": "cloud_devops", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_years_hands_on", "source": "djinni_cv_en", "source_record": "a8635e70-70b7-5662-bf0d-63e9ef8e3fd1", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0....
sj-v004-syn-000530
0.1
0.1
{ "text": "Good understanding of OWASP secure coding", "skill": "OWASP secure coding", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-000530-e1", "section": "summary", "source_type": "cv", "text": "Passionate engineer who loves clean code and best practices." } ]
{ "group_id": "security", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "easy", "case_type": "vague_claim", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-000585
0.1
0.1
{ "text": "mentoring experience", "skill": "mentoring", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-000585-e1", "section": "experience", "source_type": "cv", "text": "Experience: 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-001881
0.1
0.1
{ "text": "cross-team leadership experience", "skill": "cross-team leadership", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-001881-e1", "section": "experience", "source_type": "cv", "text": "Side project: small cross-team leadership demo built while following an online course." } ]
{ "group_id": "leadership", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "easy", "case_type": "toy_project", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v006-c-00598
0.1
0.1
{ "text": "Production PostgreSQL skills", "skill": "PostgreSQL", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v006-c-00598-e1", "section": "experience", "source_type": "cv", "text": "Tried PostgreSQL in a weekend pet project to learn the basics." } ]
{ "group_id": "data_storage", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "contrast_partial_supported", "source": "synthetic_v006", "split": "train", "label_status": "synthetic_needs_review" }
sj-v006-c-00530
0.1
0.1
{ "text": "Strong Rust skills", "skill": "Rust", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v006-c-00530-e1", "section": "experience", "source_type": "cv", "text": "My team implemented a Rust log shipper replacing Logstash, 10x lower CPU; I only wrote some tests around it." } ]
{ "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-v004-syn-030746
0.1
0.1
{ "text": "Hands-on CI/CD", "skill": "CI/CD", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-030746-e1", "section": "experience", "source_type": "cv", "text": "Junior engineer (10 months): helped the team when it maintained GitHub Actions pipelines, under a senior's guidance." } ]
{ "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-011759
0.1
0.1
{ "text": "Production OpenAPI skills", "skill": "OpenAPI", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-011759-e1", "section": "summary", "source_type": "cv", "text": "I have no experience with OpenAPI at all." } ]
{ "group_id": "api_design", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "explicit_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-06334
0.1
0.1
{ "text": "Kafka experience", "skill": "Kafka", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-06334-e1", "section": "cv_excerpt", "source_type": "cv", "text": "I worked as a business analyst and developer in the Business Intelligence development team. Work closely with key stakeholders (internal & external) to understand their business needs and challenges, ana...
{ "group_id": "system_design", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "2a910845-5fd2-5485-be70-cb0e55e1e49d", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-syn-029828
0.1
0.1
{ "text": "Production incident response skills", "skill": "incident response", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-029828-e1", "section": "experience", "source_type": "cv", "text": "Software engineer (2021-2024): took part in on-call and wrote postmortems." } ]
{ "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-011897
0.1
0.1
{ "text": "AWS (must have)", "skill": "AWS", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-011897-e1", "section": "summary", "source_type": "cv", "text": "I have no experience with AWS 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-020604
0.1
0.1
{ "text": "C#/.NET (must have)", "skill": "C#/.NET", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-020604-e1", "section": "experience", "source_type": "cv", "text": "For 2.5 years I maintained ASP.NET Core APIs 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-real-02359
0.1
0.1
{ "text": "Proven React in production", "skill": "React", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-02359-e1", "section": "cv_excerpt", "source_type": "cv", "text": "4 years of commercial experience with modern React" } ]
{ "group_id": "frontend", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_years_hands_on", "source": "djinni_cv_en", "source_record": "cbe792da-97d5-558a-bcc0-ae97c7698b79", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": "v...
sj-v004-syn-014017
0.1
0.1
{ "text": "Deep distributed consistency expertise", "skill": "distributed consistency", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-014017-e1", "section": "skills_list", "source_type": "cv", "text": "Keywords: Agile, distributed consistency, Linux, REST" } ]
{ "group_id": "system_design", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-03007
0.1
0.1
{ "text": "Proven React in production", "skill": "React", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-03007-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Designed and implemented a web application in React." } ]
{ "group_id": "frontend", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "fd22a80d-b37a-5415-8c3a-07ad9d820d35", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v008-cv-01829
0.1
0.1
{ "text": "Strong ownership skills", "skill": "ownership", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-01829-e1", "section": "cv_excerpt", "source_type": "cv", "text": "At a mid-size company I owned the payments domain end-to-end including roadmap and on-call." } ]
{ "group_id": "leadership", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "hard", "case_type": "convention_v02", "source": "synthetic_v008", "split": "train", "label_status": "synthetic_convention_v0.2" }
sj-v008-cv-00940
0.1
0.1
{ "text": "Experience with web performance", "skill": "web performance", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-00940-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Picked up web performance while working on a client project." } ]
{ "group_id": "frontend", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "convention_v02", "source": "synthetic_v008", "split": "train", "label_status": "synthetic_convention_v0.2" }
sj-v004-syn-013186
0.1
0.1
{ "text": "Strong OWASP secure coding skills", "skill": "OWASP secure coding", "group_id": "security", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-013186-e1", "section": "experience", "source_type": "cv", "text": "Senior backend developer; key achievement: ran secure coding program and threat modeling for all new services." }, { "evidence_id": "sj-v004-syn-013186-e2", "section": "summary", "source_...
{ "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-012327
0.1
0.1
{ "text": "Strong hands-on Docker background", "skill": "Docker", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-012327-e1", "section": "projects", "source_type": "portfolio", "text": "case study: built hardened multi-stage docker images and base-image program for all teams. includes architecture diagrams and benchmark results." }, { "evidence_id": "sj-v004-syn-012327-e2",...
{ "group_id": "cloud_devops", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-010479
0.1
0.1
{ "text": "Strong hands-on TDD background", "skill": "TDD", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-010479-e1", "section": "experience", "source_type": "cv", "text": "Was part of a team that coached teams on TDD and ran katas; team defect rate dropped 50%; I worked on smaller tickets around it." }, { "evidence_id": "sj-v004-syn-010479-e2", "section": "summ...
{ "group_id": "testing_quality", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "team_credit", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-003738
0.1
0.1
{ "text": "Working knowledge of OpenAPI", "skill": "OpenAPI", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-003738-e1", "section": "interview", "source_type": "interview", "text": "Interviewer: zero OpenAPI exposure confirmed by candidate." }, { "evidence_id": "sj-v004-syn-003738-e2", "section": "summary", "source_type": "cv", "text": "Fluent English." }...
{ "group_id": "api_design", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "verified_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-05322
0.1
0.1
{ "text": "Proven Terraform in production", "skill": "Terraform", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-05322-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Currently, I am involved in the project as a Lead and provide the best practice of DevOps methodology to the whole product and DevOps team. Implemented new approaches in CI/CD concept as GitOps for appli...
{ "group_id": "cloud_devops", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "633af1a9-47fb-509d-8a36-03a0bdb6d269", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-real-03439
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-03439-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Finally, I developed a Python script that enabled us to automate data collection and cleaning tasks." } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "7f859d2d-892c-5324-ad12-5b88bff70695", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": "v0.2" }
sj-v004-real-04221
0.1
0.1
{ "text": "Java experience", "skill": "Java", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-04221-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Also i have a basic knowledge on C and Java." } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "6b3efbc1-14a1-5ed8-b82a-3968b455f8ac", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v006-c-00000
0.1
0.1
{ "text": "Commercial REST API design experience", "skill": "REST API design", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v006-c-00000-e1", "section": "experience", "source_type": "cv", "text": "My team designed a versioned public REST API (OpenAPI) for 40+ partners with idempotency keys; I only wrote some tests around it." } ]
{ "group_id": "api_design", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "contrast_partial_supported", "source": "synthetic_v006", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-025828
0.1
0.1
{ "text": "Deep Java expertise", "skill": "Java", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[]
{ "group_id": "lang_core", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "easy", "case_type": "no_evidence", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-026435
0.1
0.1
{ "text": "Expert-level secrets management", "skill": "secrets management", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-026435-e1", "section": "skills_list", "source_type": "cv", "text": "Keywords: Agile, secrets management, Linux, REST" } ]
{ "group_id": "security", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-028219
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-028219-e1", "section": "interview", "source_type": "interview", "text": "Interview notes: candidate stated they never used event-driven architecture." } ]
{ "group_id": "system_design", "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-005159
0.1
0.1
{ "text": "distributed tracing (must have)", "skill": "distributed tracing", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-005159-e1", "section": "experience", "source_type": "cv", "text": "Delivered features end-to-end where I instrumented services with OpenTelemetry." } ]
{ "group_id": "reliability_obs", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "easy", "case_type": "direct_moderate", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-01835
0.1
0.1
{ "text": "React experience", "skill": "React", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-01835-e1", "section": "cv_excerpt", "source_type": "cv", "text": "designed and developed the all by myself React Native App (the project lasted 6 months);" } ]
{ "group_id": "frontend", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_strong_ownership", "source": "djinni_cv_en", "source_record": "2ee4e81c-1dd1-54c2-981e-247262528844", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": ...
sj-v004-real-03593
0.1
0.1
{ "text": "Strong Node.js skills", "skill": "Node.js", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-03593-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Book Review App: Collaboratively designed and developed a book review app using Node.js and Express for backend development." } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "6ff981f6-4aa7-532b-bb78-fac91722af7a", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-012340
0.1
0.1
{ "text": "Deep React expertise", "skill": "React", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-012340-e1", "section": "experience", "source_type": "cv", "text": "Backend engineer, 3 years: built React + TypeScript pages shipped to users." }, { "evidence_id": "sj-v004-syn-012340-e2", "section": "summary", "source_type": "cv", "text": "Agile/Scr...
{ "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-v008-cv-00228
0.1
0.1
{ "text": "Strong distributed tracing skills", "skill": "distributed tracing", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-00228-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Ran a distributed tracing study group for university students for a semester." } ]
{ "group_id": "reliability_obs", "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-011921
0.1
0.1
{ "text": "Good understanding of Docker", "skill": "Docker", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-011921-e1", "section": "summary", "source_type": "cv", "text": "I have no experience with Docker at all." }, { "evidence_id": "sj-v004-syn-011921-e2", "section": "summary", "source_type": "cv", "text": "Based in Europe, open to remote." } ]
{ "group_id": "cloud_devops", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "explicit_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-021650
0.1
0.1
{ "text": "Production distributed tracing skills", "skill": "distributed tracing", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-021650-e1", "section": "experience", "source_type": "cv", "text": "Fellow-level engineer: rolled out OpenTelemetry tracing across 30 services and used it to cut latency 40%. Wrote the internal distributed tracing handbook and teach distributed tracing externally." } ]
{ "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-v006-c-00522
0.1
0.1
{ "text": "Strong GCP skills", "skill": "GCP", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v006-c-00522-e1", "section": "experience", "source_type": "cv", "text": "Built a small GCP demo app following an online tutorial." } ]
{ "group_id": "cloud_devops", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "contrast_partial_supported", "source": "synthetic_v006", "split": "train", "label_status": "synthetic_needs_review" }
sj-v006-c-00111
0.1
0.1
{ "text": "Hands-on hiring", "skill": "hiring", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v006-c-00111-e1", "section": "experience", "source_type": "cv", "text": "Six months of junior experience where I helped as the team conducted technical interviews." } ]
{ "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-009294
0.1
0.1
{ "text": "scalable system design experience", "skill": "scalable system design", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-009294-e1", "section": "experience", "source_type": "cv", "text": "For 2.5 years I designed a single service including data model and failure modes as the main developer of the service." }, { "evidence_id": "sj-v004-syn-009294-e2", "section": "summary", ...
{ "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-v005-bl4-00601
0.1
0.1
{ "text": "Hands-on distributed tracing", "skill": "distributed tracing", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v005-bl4-00601-e1", "section": "experience", "source_type": "cv", "text": "Senior engineer and design owner: rolled out OpenTelemetry tracing across 30 services and used it to cut latency 40%." } ]
{ "group_id": "reliability_obs", "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-013389
0.1
0.1
{ "text": "Experience with distributed tracing", "skill": "distributed tracing", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-013389-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-030629
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-030629-e1", "section": "experience", "source_type": "cv", "text": "Fellow-level engineer: profiled and tuned JVM services increasing throughput 3x on the same hardware. Wrote the internal performance tuning handbook and teach performance tuning externally." } ]
{ "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-001179
0.1
0.1
{ "text": "React (must have)", "skill": "React", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-001179-e1", "section": "experience", "source_type": "cv", "text": "Resume claims they architected React micro-frontend platform for 6 teams." }, { "evidence_id": "sj-v004-syn-001179-e2", "section": "interview", "source_type": "interview", "text": "In...
{ "group_id": "frontend", "evidence_label": "contradicted", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "cv_vs_interview", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-004982
0.1
0.1
{ "text": "Hands-on code review", "skill": "code review", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-004982-e1", "section": "skills_list", "source_type": "cv", "text": "Skills: code review, Git, Jira, Agile, Linux" } ]
{ "group_id": "testing_quality", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-03923
0.1
0.1
{ "text": "Strong AWS skills", "skill": "AWS", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-03923-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Reduced monthly bill by 5-10% for non-prod AWS accounts;" } ]
{ "group_id": "cloud_devops", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_strong_ownership", "source": "djinni_cv_en", "source_record": "3a51ebd0-f47b-5ec5-8065-cf906a407bba", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": ...
sj-v004-syn-026484
0.1
0.1
{ "text": "secrets management (must have)", "skill": "secrets management", "group_id": "security", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-026484-e1", "section": "skills_list", "source_type": "cv", "text": "skills: secrets management, git, jira, agile, linux" } ]
{ "group_id": "security", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-011931
0.1
0.1
{ "text": "Hands-on ownership", "skill": "ownership", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-011931-e1", "section": "experience", "source_type": "cv", "text": "In my last role I owned the payments domain end-to-end including roadmap and on-call." } ]
{ "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-v008-cv-01822
0.1
0.1
{ "text": "Commercial React experience", "skill": "React", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-01822-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Built various applications with React, 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-v004-syn-030156
0.1
0.1
{ "text": "Expert-level Kafka", "skill": "Kafka", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-030156-e1", "section": "skills_list", "source_type": "cv", "text": "Skills: Kafka, Git, Jira, Agile, Linux" } ]
{ "group_id": "system_design", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-026171
0.1
0.1
{ "text": "Production web performance skills", "skill": "web performance", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-026171-e1", "section": "experience", "source_type": "cv", "text": "Backend engineer, Go and PostgreSQL, 7 years." } ]
{ "group_id": "frontend", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "missing_skill", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-022280
0.1
0.1
{ "text": "Production database migrations skills", "skill": "database migrations", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-022280-e1", "section": "skills_list", "source_type": "cv", "text": "Keywords: Agile, database migrations, Linux, REST" }, { "evidence_id": "sj-v004-syn-022280-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-015745
0.1
0.1
{ "text": "Practical Node.js experience", "skill": "Node.js", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-015745-e1", "section": "experience", "source_type": "cv", "text": "CV: led the Node.js/TypeScript gateway rewrite reducing p99 from 900ms to 120ms." }, { "evidence_id": "sj-v004-syn-015745-e2", "section": "interview", "source_type": "interview", "tex...
{ "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-v005-bl4-00909
0.1
0.1
{ "text": "Solid secrets management knowledge", "skill": "secrets management", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v005-bl4-00909-e1", "section": "experience", "source_type": "cv", "text": "Senior engineer and design owner: migrated all secrets to Vault with dynamic credentials." } ]
{ "group_id": "security", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "hard", "case_type": "boundary_l4", "source": "synthetic_v005", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-012398
0.1
0.1
{ "text": "Expert-level Rust", "skill": "Rust", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-012398-e1", "section": "skills_list", "source_type": "cv", "text": "Stack: Rust, Jira, Confluence, Git" } ]
{ "group_id": "lang_core", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v008-cv-01396
0.1
0.1
{ "text": "Hands-on PostgreSQL", "skill": "PostgreSQL", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-01396-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Improved PostgreSQL performance by 30% for one critical report." } ]
{ "group_id": "data_storage", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "convention_v02", "source": "synthetic_v008", "split": "train", "label_status": "synthetic_convention_v0.2" }
sj-v004-syn-007328
0.1
0.1
{ "text": "Solid Kotlin knowledge", "skill": "Kotlin", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-007328-e1", "section": "summary", "source_type": "cv", "text": "Profile: 'deep Kotlin expertise', no further details given." } ]
{ "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-015615
0.1
0.1
{ "text": "Practical static analysis experience", "skill": "static analysis", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-015615-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-real-02948
0.1
0.1
{ "text": "C#/.NET experience", "skill": "C#/.NET", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-02948-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Designed and developed concurrent arbitrage/high-frequency trading software in C# to receive and process stock market prices based on price discrepancies for private client." } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "d2bc5ee1-e4b0-5828-aed5-f6935d05cf29", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v008-cv-00916
0.1
0.1
{ "text": "Hands-on Kafka", "skill": "Kafka", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-00916-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Completed an online Kafka course with a certificate." } ]
{ "group_id": "system_design", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "convention_v02", "source": "synthetic_v008", "split": "train", "label_status": "synthetic_convention_v0.2" }
sj-v004-syn-003836
0.1
0.1
{ "text": "Terraform experience", "skill": "Terraform", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-003836-e1", "section": "experience", "source_type": "cv", "text": "Lead engineer 2018-2023: authored reusable Terraform modules used by 15 teams." } ]
{ "group_id": "cloud_devops", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v006-c-01230
0.1
0.1
{ "text": "Production React skills", "skill": "React", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v006-c-01230-e1", "section": "experience", "source_type": "cv", "text": "At work I built React + TypeScript pages shipped to users independently, including debugging prod incidents." } ]
{ "group_id": "frontend", "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-012386
0.1
0.1
{ "text": "Production mentoring skills", "skill": "mentoring", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-012386-e1", "section": "experience", "source_type": "cv", "text": "Core contributor to the mentoring ecosystem; mentored 6 engineers, 3 promoted, and ran the onboarding program." } ]
{ "group_id": "leadership", "evidence_label": "supported", "proficiency_label": "5" }
{ "difficulty": "easy", "case_type": "expert", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-025382
0.1
0.1
{ "text": "Good understanding of C#/.NET", "skill": "C#/.NET", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-025382-e1", "section": "experience", "source_type": "cv", "text": "As distinguished engineer I architected .NET 8 order platform across 12 services; I am the go-to C#/.NET authority company-wide and publish on C#/.NET." } ]
{ "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-010282
0.1
0.1
{ "text": "Experience with MongoDB", "skill": "MongoDB", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-010282-e1", "section": "summary", "source_type": "cv", "text": "MongoDB guru, top expert level." }, { "evidence_id": "sj-v004-syn-010282-e2", "section": "summary", "source_type": "cv", "text": "B.Sc. in Computer Science." } ]
{ "group_id": "data_storage", "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-027455
0.1
0.1
{ "text": "Hands-on monitoring", "skill": "monitoring", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-027455-e1", "section": "experience", "source_type": "cv", "text": "Senior engineer (2019-2024): built the company observability stack (Prometheus, Grafana) and SLO program." }, { "evidence_id": "sj-v004-syn-027455-e2", "section": "summary", "source_type"...
{ "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-002223
0.1
0.1
{ "text": "Experience with microservices", "skill": "microservices", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-002223-e1", "section": "experience", "source_type": "cv", "text": "Owned the initiative where I architected the monolith-to-microservices split into 25 services with clear boundaries, and drove microservices decisions for the team." }, { "evidence_id": "sj-v004-...
{ "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-019484
0.1
0.1
{ "text": "Working knowledge of MySQL", "skill": "MySQL", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-019484-e1", "section": "experience", "source_type": "cv", "text": "Delivered features end-to-end where I designed MySQL schemas for new features." }, { "evidence_id": "sj-v004-syn-019484-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-v005-bl4-01033
0.1
0.1
{ "text": "Solid caching strategy knowledge", "skill": "caching strategy", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v005-bl4-01033-e1", "section": "experience", "source_type": "cv", "text": "Key result as tech lead: designed multi-layer caching (CDN, Redis, local) cutting DB load 70%." } ]
{ "group_id": "system_design", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "hard", "case_type": "boundary_l4", "source": "synthetic_v005", "split": "train", "label_status": "synthetic_needs_review" }
sj-v006-c-00789
0.1
0.1
{ "text": "Experience with encryption", "skill": "encryption", "group_id": "security", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v006-c-00789-e1", "section": "experience", "source_type": "cv", "text": "Built a small encryption demo app following an online tutorial." } ]
{ "group_id": "security", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "contrast_partial_supported", "source": "synthetic_v006", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-06136
0.1
0.1
{ "text": "Strong Kubernetes skills", "skill": "Kubernetes", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-06136-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Developed ML-models and algorithms and implemented in production: Automotized routine manual tasks for colegueas by creating reports, web applications, dashboards." } ]
{ "group_id": "cloud_devops", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "e4ed7e3d-7261-5e54-84f1-1dda47b4a423", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v006-c-01450
0.1
0.1
{ "text": "Production mentoring skills", "skill": "mentoring", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v006-c-01450-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-syn-017702
0.1
0.1
{ "text": "Strong hands-on monitoring background", "skill": "monitoring", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-017702-e1", "section": "experience", "source_type": "cv", "text": "In my last role I built the company observability stack (Prometheus, Grafana) and SLO program." }, { "evidence_id": "sj-v004-syn-017702-e2", "section": "summary", "source_type": "cv", ...
{ "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" }