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sj-v004-syn-019937
0.1
0.1
{ "text": "Proven accessibility in production", "skill": "accessibility", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-019937-e1", "section": "experience", "source_type": "cv", "text": "Principal engineer: led WCAG 2.1 AA remediation and audits; recognized as accessibility 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-v006-c-00015
0.1
0.1
{ "text": "Commercial OWASP secure coding experience", "skill": "OWASP secure coding", "group_id": "security", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v006-c-00015-e1", "section": "experience", "source_type": "cv", "text": "University coursework included a OWASP secure coding assignment." } ]
{ "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-syn-006694
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-006694-e1", "section": "summary", "source_type": "cv", "text": "C#/.NET guru, top expert level." } ]
{ "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-v008-cv-00867
0.1
0.1
{ "text": "Commercial state management experience", "skill": "state management", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-00867-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Ran a state management study group for university students for a semester." } ]
{ "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-014467
0.1
0.1
{ "text": "Hands-on mentoring", "skill": "mentoring", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-014467-e1", "section": "skills_list", "source_type": "cv", "text": "Keywords: Agile, mentoring, Linux, REST" } ]
{ "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-011497
0.1
0.1
{ "text": "Strong GCP skills", "skill": "GCP", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-011497-e1", "section": "experience", "source_type": "cv", "text": "Resume claims they architected GCP data platform on GKE and BigQuery." }, { "evidence_id": "sj-v004-syn-011497-e2", "section": "interview", "source_type": "interview", "text": "Interv...
{ "group_id": "cloud_devops", "evidence_label": "contradicted", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "cv_vs_interview", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v008-cv-01378
0.1
0.1
{ "text": "Experience with scalable system design", "skill": "scalable system design", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-01378-e1", "section": "cv_excerpt", "source_type": "cv", "text": "At a mid-size company I 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": "convention_v02", "source": "synthetic_v008", "split": "train", "label_status": "synthetic_convention_v0.2" }
sj-v004-syn-030314
0.1
0.1
{ "text": "Strong CI/CD skills", "skill": "CI/CD", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-030314-e1", "section": "experience", "source_type": "cv", "text": "Intern then junior: with help from the lead, I contributed while the team maintained GitHub Actions pipelines." }, { "evidence_id": "sj-v004-syn-030314-e2", "section": "summary", "source_...
{ "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-011825
0.1
0.1
{ "text": "Experience with C#/.NET", "skill": "C#/.NET", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-011825-e1", "section": "summary", "source_type": "cv", "text": "Haven't worked with C#/.NET; my background is elsewhere." } ]
{ "group_id": "lang_core", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "explicit_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v006-c-00538
0.1
0.1
{ "text": "Production hiring skills", "skill": "hiring", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v006-c-00538-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-real-04821
0.1
0.1
{ "text": "AWS experience", "skill": "AWS", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-04821-e1", "section": "cv_excerpt", "source_type": "cv", "text": "AWS and Azure Certified DevOps Engineer (Associate level) with 2+ years of experience in Cloud technologies, designing, implementing and maintaining infrastructure as code and CI/CD pipelines." } ]
{ "group_id": "cloud_devops", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_years_hands_on", "source": "djinni_cv_en", "source_record": "e06a9fb2-8c64-5855-858b-cc6fddfd6a62", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": "v...
sj-v004-syn-004187
0.1
0.1
{ "text": "Strong hands-on Kafka background", "skill": "Kafka", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-004187-e1", "section": "education", "source_type": "cv", "text": "University course project using Kafka for a simple CRUD demo." } ]
{ "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-007700
0.1
0.1
{ "text": "Strong hands-on scalable system design background", "skill": "scalable system design", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-007700-e1", "section": "experience", "source_type": "cv", "text": "Delivered features end-to-end where I designed a single service including data model and failure modes." }, { "evidence_id": "sj-v004-syn-007700-e2", "section": "summary", "source_type": ...
{ "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-029504
0.1
0.1
{ "text": "Experience with mentoring", "skill": "mentoring", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-029504-e1", "section": "summary", "source_type": "cv", "text": "advanced mentoring skills; strong mentoring background." } ]
{ "group_id": "leadership", "evidence_label": "partial", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "claim_no_detail", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-019064
0.1
0.1
{ "text": "Strong CI/CD skills", "skill": "CI/CD", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-019064-e1", "section": "experience", "source_type": "cv", "text": "Senior backend developer; key achievement: designed CI/CD with canary and automated rollback for 60 repos." }, { "evidence_id": "sj-v004-syn-019064-e2", "section": "summary", "source_type...
{ "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-002176
0.1
0.1
{ "text": "MongoDB (must have)", "skill": "MongoDB", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-002176-e1", "section": "interview", "source_type": "interview", "text": "Candidate confirmed they have never worked with MongoDB." } ]
{ "group_id": "data_storage", "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-019341
0.1
0.1
{ "text": "Practical encryption experience", "skill": "encryption", "group_id": "security", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-019341-e1", "section": "experience", "source_type": "cv", "text": "Day to day I enabled TLS and field encryption for user data on my own." }, { "evidence_id": "sj-v004-syn-019341-e2", "section": "summary", "source_type": "cv", "text": "Agile/Scrum te...
{ "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-010295
0.1
0.1
{ "text": "Working knowledge of microservices", "skill": "microservices", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-010295-e1", "section": "experience", "source_type": "cv", "text": "delivered features end-to-end where i built and operated two microservices." }, { "evidence_id": "sj-v004-syn-010295-e2", "section": "summary", "source_type": "cv", "text": "agile/scr...
{ "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-027676
0.1
0.1
{ "text": "Practical web performance experience", "skill": "web performance", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-027676-e1", "section": "experience", "source_type": "cv", "text": "Day to day I optimized bundle size with code splitting on my own." } ]
{ "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-024020
0.1
0.1
{ "text": "Commercial experience with GCP", "skill": "GCP", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-024020-e1", "section": "summary", "source_type": "cv", "text": "Self-motivated developer who enjoys challenges." } ]
{ "group_id": "cloud_devops", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "easy", "case_type": "vague_claim", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-05527
0.1
0.1
{ "text": "microservices experience", "skill": "microservices", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-05527-e1", "section": "cv_excerpt", "source_type": "cv", "text": "In the latest project, I was able to implement complex analytics with large datasets and high performance. Since 2015, I have been working at a company specializing in sociological research. Currently, I...
{ "group_id": "system_design", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "de4500b3-a1c8-5744-944c-b65ccb6c5858", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-syn-014801
0.1
0.1
{ "text": "Practical C#/.NET experience", "skill": "C#/.NET", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-014801-e1", "section": "education", "source_type": "cv", "text": "University course project using C#/.NET for a simple CRUD demo." }, { "evidence_id": "sj-v004-syn-014801-e2", "section": "summary", "source_type": "cv", "text": "Looking for a product ...
{ "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-026740
0.1
0.1
{ "text": "Strong hands-on cross-team leadership background", "skill": "cross-team leadership", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-026740-e1", "section": "experience", "source_type": "cv", "text": "Junior engineer (10 months): helped the team when it coordinated with one partner team on integration, under a senior's guidance." }, { "evidence_id": "sj-v004-syn-026740-e2", "section": "sum...
{ "group_id": "leadership", "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-001387
0.1
0.1
{ "text": "Good understanding of code review", "skill": "code review", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-001387-e1", "section": "summary", "source_type": "cv", "text": "Profile: 'deep code review expertise', no further details given." } ]
{ "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-04605
0.1
0.1
{ "text": "Strong CI/CD skills", "skill": "CI/CD", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-04605-e1", "section": "cv_excerpt", "source_type": "cv", "text": "I have experience in full-stack development, implementing CI/CD using tools such as Bitrise and Github Actions, unit testing, and self-learning." } ]
{ "group_id": "cloud_devops", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "1b69c48e-c736-56f3-88e0-b1fcbf418403", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v008-cv-00982
0.1
0.1
{ "text": "Commercial scalable system design experience", "skill": "scalable system design", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-00982-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Took part in a logistics app project built on scalable system design." } ]
{ "group_id": "system_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-v006-c-01321
0.1
0.1
{ "text": "Commercial authorization (RBAC) experience", "skill": "authorization (RBAC)", "group_id": "security", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v006-c-01321-e1", "section": "experience", "source_type": "cv", "text": "University coursework included a authorization (RBAC) assignment." } ]
{ "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-syn-023006
0.1
0.1
{ "text": "Working knowledge of Python", "skill": "Python", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-023006-e1", "section": "experience", "source_type": "cv", "text": "Junior engineer (10 months): helped the team when it shipped Django features and maintained them in production, under a senior's guidance." } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "easy", "case_type": "below_target", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-003818
0.1
0.1
{ "text": "Good understanding of distributed tracing", "skill": "distributed tracing", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-003818-e1", "section": "experience", "source_type": "cv", "text": "Claimed: rolled out OpenTelemetry tracing across 30 services and used it to cut latency 40%." }, { "evidence_id": "sj-v004-syn-003818-e2", "section": "interview", "source_type": "intervie...
{ "group_id": "reliability_obs", "evidence_label": "contradicted", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "cv_vs_interview", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-01290
0.1
0.1
{ "text": "Node.js experience", "skill": "Node.js", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-01290-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Created a custom Node.js based script which could parse files in desirable format for AEM 6.5 and combined it with React's renderToString() method." } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "619d6c55-f576-5145-8b85-86f0499c9323", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-031344
0.1
0.1
{ "text": "Expert-level GraphQL", "skill": "GraphQL", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-031344-e1", "section": "skills_list", "source_type": "cv", "text": "Skills: GraphQL, Git, Jira, Agile, Linux" } ]
{ "group_id": "api_design", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-013307
0.1
0.1
{ "text": "gRPC experience", "skill": "gRPC", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-013307-e1", "section": "projects", "source_type": "portfolio", "text": "Case study: defined protobuf contracts and gRPC streaming APIs between 20 services. Includes architecture diagrams and benchmark results." }, { "evidence_id": "sj-v004-syn-013307-e2", "s...
{ "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-01518
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-01518-e1", "section": "cv_excerpt", "source_type": "cv", "text": "I wrote Python scripts to automate end-to-end reporting systems from data extraction from APIs to data cleaning and reporting an AI product performance monitoring." } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "dcb53db0-cc66-5868-9810-5afd8964277c", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-014021
0.1
0.1
{ "text": "Solid OAuth2/OIDC knowledge", "skill": "OAuth2/OIDC", "group_id": "security", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-014021-e1", "section": "experience", "source_type": "cv", "text": "mid-level developer: implemented oauth2 login and token refresh; shipped to production regularly." } ]
{ "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-010677
0.1
0.1
{ "text": "Strong hands-on OpenAPI background", "skill": "OpenAPI", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-010677-e1", "section": "experience", "source_type": "cv", "text": "For 2.5 years I wrote OpenAPI specs for team services as the main developer of the service." } ]
{ "group_id": "api_design", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "easy", "case_type": "direct_moderate", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-031123
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-031123-e1", "section": "experience", "source_type": "cv", "text": "Under supervision I worked on small parts while the team used AWS Secrets Manager in services." } ]
{ "group_id": "security", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "easy", "case_type": "below_target", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-005988
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-005988-e1", "section": "experience", "source_type": "cv", "text": "Principal engineer: owned the payments domain end-to-end including roadmap and on-call; recognized as ownership authority and gave conference talks on it." } ]
{ "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-real-04923
0.1
0.1
{ "text": "Java experience", "skill": "Java", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-04923-e1", "section": "cv_excerpt", "source_type": "cv", "text": "During my working hours, I maintained old Java projects, maintained recently published Kotlin projects, and wrote projects for my own." } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "b1f645f5-0c8b-58dc-997d-1d24af3c2374", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-016901
0.1
0.1
{ "text": "Working knowledge of Redis", "skill": "Redis", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-016901-e1", "section": "experience", "source_type": "cv", "text": "independently added redis caching with ttl invalidation; on-call owner for it." } ]
{ "group_id": "data_storage", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "easy", "case_type": "direct_moderate", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-03469
0.1
0.1
{ "text": "Strong React skills", "skill": "React", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-03469-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Basic: HTML, CSS, React, PHP" } ]
{ "group_id": "frontend", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "b9a5fe45-c3fd-54c9-9fb1-04c226cba65c", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-009905
0.1
0.1
{ "text": "Rust experience", "skill": "Rust", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-009905-e1", "section": "interview", "source_type": "interview", "text": "Interviewer: zero Rust exposure confirmed by candidate." } ]
{ "group_id": "lang_core", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "verified_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-025495
0.1
0.1
{ "text": "Proven static analysis in production", "skill": "static analysis", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-025495-e1", "section": "experience", "source_type": "cv", "text": "In my last role I introduced SonarQube and custom lint rules gating all merges." } ]
{ "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-006066
0.1
0.1
{ "text": "Deep Terraform expertise", "skill": "Terraform", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-006066-e1", "section": "summary", "source_type": "cv", "text": "Profile: 'deep Terraform expertise', no further details given." }, { "evidence_id": "sj-v004-syn-006066-e2", "section": "summary", "source_type": "cv", "text": "Looking for a product com...
{ "group_id": "cloud_devops", "evidence_label": "partial", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "claim_no_detail", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-010339
0.1
0.1
{ "text": "Expert-level ownership", "skill": "ownership", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-010339-e1", "section": "experience", "source_type": "cv", "text": "Core contributor to the ownership ecosystem; owned the payments domain end-to-end including roadmap and on-call." } ]
{ "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-real-05733
0.1
0.1
{ "text": "Proven Go in production", "skill": "Go", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-05733-e1", "section": "cv_excerpt", "source_type": "cv", "text": "I`ve got great communication skills from my previous work. Also, I am a great team player. I always get along with new people as well as unhappy customers." } ]
{ "group_id": "lang_core", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "2ab945d6-5584-5cf7-bc51-bf24e6e96e58", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-syn-011076
0.1
0.1
{ "text": "Practical scalable system design experience", "skill": "scalable system design", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-011076-e1", "section": "experience", "source_type": "cv", "text": "Senior engineer (2019-2024): designed a multi-region system for 20M users with explicit consistency trade-offs." }, { "evidence_id": "sj-v004-syn-011076-e2", "section": "summary", "source...
{ "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-019496
0.1
0.1
{ "text": "Deep hiring expertise", "skill": "hiring", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-019496-e1", "section": "skills_list", "source_type": "cv", "text": "Keywords: Agile, hiring, Linux, REST" }, { "evidence_id": "sj-v004-syn-019496-e2", "section": "summary", "source_type": "cv", "text": "Based in Europe, open to remote." } ]
{ "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-028149
0.1
0.1
{ "text": "Deep Kubernetes expertise", "skill": "Kubernetes", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-028149-e1", "section": "experience", "source_type": "cv", "text": "3 years: built production systems with Docker Swarm, a close alternative to Kubernetes." }, { "evidence_id": "sj-v004-syn-028149-e2", "section": "summary", "source_type": "cv", "text"...
{ "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-v006-c-00982
0.1
0.1
{ "text": "Production authorization (RBAC) skills", "skill": "authorization (RBAC)", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v006-c-00982-e1", "section": "experience", "source_type": "cv", "text": "Used authorization (RBAC) on a small internal tool with help from a senior colleague." } ]
{ "group_id": "security", "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-006218
0.1
0.1
{ "text": "Strong hands-on technical design docs background", "skill": "technical design docs", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-006218-e1", "section": "experience", "source_type": "cv", "text": "Trainee developer; shadowed seniors who wrote design docs for team features." }, { "evidence_id": "sj-v004-syn-006218-e2", "section": "summary", "source_type": "cv", "text": "Based in...
{ "group_id": "leadership", "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-000679
0.1
0.1
{ "text": "Experience with PostgreSQL", "skill": "PostgreSQL", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-000679-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-000679-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-023106
0.1
0.1
{ "text": "Production mentoring skills", "skill": "mentoring", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-023106-e1", "section": "experience", "source_type": "cv", "text": "Tech lead who mentored 6 engineers, 3 promoted, and ran the onboarding program, and mentored the team on mentoring practices." } ]
{ "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-01991
0.1
0.1
{ "text": "Hands-on unit testing", "skill": "unit testing", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-01991-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Improved unit testing performance by 30% for one critical report." } ]
{ "group_id": "testing_quality", "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-014777
0.1
0.1
{ "text": "Kubernetes (must have)", "skill": "Kubernetes", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-014777-e1", "section": "skills_list", "source_type": "cv", "text": "Tools: Git, Kubernetes, Docker, Postman, Jira" }, { "evidence_id": "sj-v004-syn-014777-e2", "section": "summary", "source_type": "cv", "text": "Looking for a product company." } ]
{ "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-02744
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-02744-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Almost 5 years of professional experience in software design and Core C# development related to finance, telecommunication, enterprise automation systems and advertising industry with solid understanding...
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_years_hands_on", "source": "djinni_cv_en", "source_record": "2e2b8e12-7b96-57a3-92da-92110ebb6543", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0....
sj-v004-syn-028965
0.1
0.1
{ "text": "Practical Go experience", "skill": "Go", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-028965-e1", "section": "experience", "source_type": "cv", "text": "Main stack: Rust. Delivered several production projects with it." }, { "evidence_id": "sj-v004-syn-028965-e2", "section": "summary", "source_type": "cv", "text": "Also worked with Git...
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "adjacent_tech", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v006-c-00112
0.1
0.1
{ "text": "Commercial Docker experience", "skill": "Docker", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v006-c-00112-e1", "section": "experience", "source_type": "cv", "text": "I personally built hardened multi-stage Docker images and base-image program for all teams." } ]
{ "group_id": "cloud_devops", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "hard", "case_type": "contrast_partial_supported", "source": "synthetic_v006", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-023265
0.1
0.1
{ "text": "microservices experience", "skill": "microservices", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-023265-e1", "section": "interview", "source_type": "interview", "text": "Interview notes: candidate stated they never used microservices." } ]
{ "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-026710
0.1
0.1
{ "text": "React (must have)", "skill": "React", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-026710-e1", "section": "experience", "source_type": "cv", "text": "experience: 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-v008-cv-00390
0.1
0.1
{ "text": "Experience with React", "skill": "React", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-00390-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Cut build time by 40% by tuning the React configuration." } ]
{ "group_id": "frontend", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "convention_v02", "source": "synthetic_v008", "split": "train", "label_status": "synthetic_convention_v0.2" }
sj-v004-real-00628
0.1
0.1
{ "text": "Strong Python skills", "skill": "Python", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-00628-e1", "section": "cv_excerpt", "source_type": "cv", "text": "I have experience working with the Python programming language and implementing various tasks in Data Science/Machine Learning." } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "a376e873-35ed-5d62-a093-c73d48a3219e", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-028901
0.1
0.1
{ "text": "Strong hands-on OAuth2/OIDC background", "skill": "OAuth2/OIDC", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-028901-e1", "section": "interview", "source_type": "interview", "text": "Interview notes: candidate stated they never used OAuth2/OIDC." }, { "evidence_id": "sj-v004-syn-028901-e2", "section": "summary", "source_type": "cv", "text": "B.Sc. in Compute...
{ "group_id": "security", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "verified_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v008-cv-00718
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-v008-cv-00718-e1", "section": "cv_excerpt", "source_type": "cv", "text": "At my previous startup I 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": "convention_v02", "source": "synthetic_v008", "split": "train", "label_status": "synthetic_convention_v0.2" }
sj-v004-real-00380
0.1
0.1
{ "text": "React experience", "skill": "React", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-00380-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Developed the user interface for the application using Next.js, React, and Typescript." } ]
{ "group_id": "frontend", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "163a56ec-e62a-5973-9219-a0b8f26b8fe5", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-006982
0.1
0.1
{ "text": "Experience with Kotlin", "skill": "Kotlin", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-006982-e1", "section": "experience", "source_type": "cv", "text": "core contributor to the kotlin ecosystem; designed kotlin coroutine-based backend for 5m mau app." } ]
{ "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-v008-cv-01508
0.1
0.1
{ "text": "Strong ownership skills", "skill": "ownership", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-01508-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Picked up ownership while working on a client project." } ]
{ "group_id": "leadership", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "convention_v02", "source": "synthetic_v008", "split": "train", "label_status": "synthetic_convention_v0.2" }
sj-v004-real-00836
0.1
0.1
{ "text": "React experience", "skill": "React", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-00836-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Well familiar with JS/TS/HTML5/CSS3 and creating adaptive layouts, have experience in working with React.js." } ]
{ "group_id": "frontend", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "923d4f2e-a874-5c91-95e2-357a88cfaed9", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": "v0.2" }
sj-v004-real-04447
0.1
0.1
{ "text": "Proven MongoDB in production", "skill": "MongoDB", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-04447-e1", "section": "cv_excerpt", "source_type": "cv", "text": "HCM Learning system: SPA (Angular), .Net Core, ASP.Net WebAPI, Entity Framework, MongoDB, Redis cache, Elastic Search, Azure AD, Azure hosting, Zoho integration, Stripe payments, XUnit, Selenium Automate...
{ "group_id": "data_storage", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "4a7cb48e-bc23-5f3a-bdb9-10d5af5e463a", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-004302
0.1
0.1
{ "text": "Experience with MySQL", "skill": "MySQL", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-004302-e1", "section": "summary", "source_type": "cv", "text": "MySQL guru, top expert level." } ]
{ "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-v006-c-01173
0.1
0.1
{ "text": "Experience with C#/.NET", "skill": "C#/.NET", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v006-c-01173-e1", "section": "experience", "source_type": "cv", "text": "At work I maintained ASP.NET Core APIs independently, including debugging prod incidents." } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "contrast_partial_supported", "source": "synthetic_v006", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-000649
0.1
0.1
{ "text": "Proven Terraform in production", "skill": "Terraform", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-000649-e1", "section": "experience", "source_type": "cv", "text": "Experience: 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-006482
0.1
0.1
{ "text": "Production API versioning skills", "skill": "API versioning", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-006482-e1", "section": "experience", "source_type": "cv", "text": "Junior engineer (10 months): helped the team when it shipped v2 of an internal API with backward compatibility, under a senior's guidance." } ]
{ "group_id": "api_design", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "easy", "case_type": "below_target", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-009524
0.1
0.1
{ "text": "Experience with encryption", "skill": "encryption", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-009524-e1", "section": "experience", "source_type": "cv", "text": "Fellow-level engineer: designed envelope encryption with KMS for PII at rest. Wrote the internal encryption handbook and teach encryption externally." } ]
{ "group_id": "security", "evidence_label": "supported", "proficiency_label": "5" }
{ "difficulty": "easy", "case_type": "expert", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-00503
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-00503-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Python course from Python.immo" } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "e8db9f2e-df66-55cc-af86-cd3a206ea9e1", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": "v0.2" }
sj-v004-real-06734
0.1
0.1
{ "text": "Strong Go skills", "skill": "Go", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-06734-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Built company structure, hired employees, developed strategy, organized all processes (marketing, hr, analysis, finance, sales, support), set goals, implemented corporate tools, created bonus schemes, et...
{ "group_id": "lang_core", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "3640d336-dc8f-5489-98fb-25a0b864e875", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v001-0035
0.1
0.1
{ "text": "Distributed tracing", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v001-0035-e1", "section": "skills_list", "source_type": "cv", "text": "OpenTelemetry, Jaeger" } ]
{ "group_id": "reliability_obs", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "easy", "case_type": "keyword_only", "role": "backend_fullstack", "source": "handwritten_v001", "label_status": "draft_needs_expert_review", "split": "train" }
sj-v005-bl3-00267
0.1
0.1
{ "text": "Solid MongoDB knowledge", "skill": "MongoDB", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v005-bl3-00267-e1", "section": "experience", "source_type": "cv", "text": "Over 3 years I built MongoDB aggregations for reporting; feature owner, no design ownership." } ]
{ "group_id": "data_storage", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "boundary_l3", "source": "synthetic_v005", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-003661
0.1
0.1
{ "text": "Strong hands-on TypeScript (frontend) background", "skill": "TypeScript (frontend)", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-003661-e1", "section": "skills_list", "source_type": "cv", "text": "Stack: TypeScript (frontend), Jira, Confluence, Git" } ]
{ "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-v006-c-00531
0.1
0.1
{ "text": "Commercial Elasticsearch experience", "skill": "Elasticsearch", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v006-c-00531-e1", "section": "experience", "source_type": "cv", "text": "Built a small Elasticsearch demo app following an online tutorial." } ]
{ "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-v004-real-02931
0.1
0.1
{ "text": "Proven CI/CD in production", "skill": "CI/CD", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-02931-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Created an automated CI/CD pipeline using GitLab." } ]
{ "group_id": "cloud_devops", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "763aacd1-55df-5c6c-b520-e850533bb8d1", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-real-01743
0.1
0.1
{ "text": "Go experience", "skill": "Go", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-01743-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Http backend project implemented in golang with MVC structure." } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "86f1de30-80d0-50a3-8051-3008542249b3", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-real-03902
0.1
0.1
{ "text": "Proven Node.js in production", "skill": "Node.js", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-03902-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Technologies: TypeScript, Node.js, Express, MySQL,Figma, Rest API, React.js" } ]
{ "group_id": "lang_core", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_keyword_list", "source": "djinni_cv_en", "source_record": "3e300a30-fde7-5dd2-a908-45b233228ce8", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2"...
sj-v004-syn-024182
0.1
0.1
{ "text": "Working knowledge of TypeScript (frontend)", "skill": "TypeScript (frontend)", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-024182-e1", "section": "skills_list", "source_type": "cv", "text": "Keywords: Agile, TypeScript (frontend), Linux, REST" }, { "evidence_id": "sj-v004-syn-024182-e2", "section": "summary", "source_type": "cv", "text": "Based in Europe, open to remote....
{ "group_id": "frontend", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-010218
0.1
0.1
{ "text": "MongoDB experience", "skill": "MongoDB", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-010218-e1", "section": "skills_list", "source_type": "cv", "text": "Keywords: Agile, MongoDB, Linux, REST" }, { "evidence_id": "sj-v004-syn-010218-e2", "section": "summary", "source_type": "cv", "text": "Also worked with Git and Jira." } ]
{ "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-013844
0.1
0.1
{ "text": "Good understanding of caching strategy", "skill": "caching strategy", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-013844-e1", "section": "experience", "source_type": "cv", "text": "Senior engineer (2019-2024): designed multi-layer caching (CDN, Redis, local) cutting DB load 70%." }, { "evidence_id": "sj-v004-syn-013844-e2", "section": "summary", "source_type": "cv",...
{ "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-06052
0.1
0.1
{ "text": "AWS experience", "skill": "AWS", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-06052-e1", "section": "cv_excerpt", "source_type": "cv", "text": "I am a generalist and I can make any kind of 2D/3D animation or VFX project from zero to the delivery. That means I can manage very well the whole process. a graphic, a product, an idea," } ]
{ "group_id": "cloud_devops", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "747e14f1-fdd9-547f-a4a5-fb59dc09589a", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-syn-019909
0.1
0.1
{ "text": "Expert-level microservices", "skill": "microservices", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-019909-e1", "section": "projects", "source_type": "portfolio", "text": "Personal project: followed a tutorial to try microservices on a toy app." } ]
{ "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-005865
0.1
0.1
{ "text": "Deep TypeScript (frontend) expertise", "skill": "TypeScript (frontend)", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-005865-e1", "section": "experience", "source_type": "cv", "text": "Day to day I wrote typed React components on my own." }, { "evidence_id": "sj-v004-syn-005865-e2", "section": "summary", "source_type": "cv", "text": "Based in Europe, open to remote....
{ "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-012178
0.1
0.1
{ "text": "Hands-on Node.js", "skill": "Node.js", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-012178-e1", "section": "experience", "source_type": "cv", "text": "For 2.5 years I developed Express APIs and handled on-call issues 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-021413
0.1
0.1
{ "text": "Commercial experience with MySQL", "skill": "MySQL", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-021413-e1", "section": "experience", "source_type": "cv", "text": "Experience: Frontend developer focused on CSS animations and design systems." } ]
{ "group_id": "data_storage", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "missing_skill", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v005-bl3-00437
0.1
0.1
{ "text": "Experience with TypeScript (frontend)", "skill": "TypeScript (frontend)", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v005-bl3-00437-e1", "section": "experience", "source_type": "cv", "text": "Over 3 years I wrote typed React components; feature owner, no design ownership." } ]
{ "group_id": "frontend", "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-05167
0.1
0.1
{ "text": "Proven GCP in production", "skill": "GCP", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-05167-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Some years ago I decided to change my career and accepted an interesting offer from one Israeli company. It was totally new for me. Now I can say that I have a great experience and good results." } ]
{ "group_id": "cloud_devops", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "87abfba0-619a-567e-b08b-67cb4fa28fec", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-real-06223
0.1
0.1
{ "text": "Proven mentoring in production", "skill": "mentoring", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-06223-e1", "section": "cv_excerpt", "source_type": "cv", "text": "As an Email Marketer with a large list of subscribers improved: Transactions (conversions) Sending domain reputation" } ]
{ "group_id": "leadership", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "e2c1af21-9c89-52e2-91c8-2eedd2dd9638", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-syn-020340
0.1
0.1
{ "text": "Commercial experience with technical design docs", "skill": "technical design docs", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-020340-e1", "section": "experience", "source_type": "cv", "text": "Junior engineer (10 months): helped the team when it wrote design docs for team features, under a senior's guidance." } ]
{ "group_id": "leadership", "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-030385
0.1
0.1
{ "text": "Strong MySQL skills", "skill": "MySQL", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-030385-e1", "section": "summary", "source_type": "cv", "text": "Passionate engineer who loves clean code and best practices." } ]
{ "group_id": "data_storage", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "easy", "case_type": "vague_claim", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v006-c-01690
0.1
0.1
{ "text": "Production distributed consistency skills", "skill": "distributed consistency", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v006-c-01690-e1", "section": "experience", "source_type": "cv", "text": "I personally designed idempotent, eventually consistent ledger with reconciliation." } ]
{ "group_id": "system_design", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "hard", "case_type": "contrast_partial_supported", "source": "synthetic_v006", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-013647
0.1
0.1
{ "text": "Strong hands-on MongoDB background", "skill": "MongoDB", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-013647-e1", "section": "summary", "source_type": "cv", "text": "Haven't worked with MongoDB; my background is elsewhere." }, { "evidence_id": "sj-v004-syn-013647-e2", "section": "summary", "source_type": "cv", "text": "Looking for a product company."...
{ "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-05969
0.1
0.1
{ "text": "Proven unit testing in production", "skill": "unit testing", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-05969-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Winner of huge amount of international programming contests. Professional Software developer with overall experience 5+ Recently working with blockchains (e.g." } ]
{ "group_id": "testing_quality", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "920a1196-3a91-55b7-9d24-5b96e1df55a2", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-syn-029889
0.1
0.1
{ "text": "caching strategy (must have)", "skill": "caching strategy", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-029889-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-v004-syn-027156
0.1
0.1
{ "text": "Good understanding of scalable system design", "skill": "scalable system design", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-027156-e1", "section": "projects", "source_type": "portfolio", "text": "Case study: designed a multi-region system for 20M users with explicit consistency trade-offs. Includes architecture diagrams and benchmark results." }, { "evidence_id": "sj-v004-syn-027156-...
{ "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" }