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sj-v004-syn-009187
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-009187-e1", "section": "skills_list", "source_type": "cv", "text": "Technologies: Docker, monitoring, Scrum, SQL" } ]
{ "group_id": "reliability_obs", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-006364
0.1
0.1
{ "text": "Hands-on CI/CD", "skill": "CI/CD", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-006364-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-005479
0.1
0.1
{ "text": "Solid hiring knowledge", "skill": "hiring", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-005479-e1", "section": "experience", "source_type": "cv", "text": "Was part of a team that designed the backend interview loop and conducted 150+ interviews; I worked on smaller tickets around it." } ]
{ "group_id": "leadership", "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-029610
0.1
0.1
{ "text": "Kotlin (must have)", "skill": "Kotlin", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-029610-e1", "section": "experience", "source_type": "cv", "text": "Claimed: designed Kotlin coroutine-based backend for 5M MAU app." }, { "evidence_id": "sj-v004-syn-029610-e2", "section": "interview", "source_type": "interview", "text": "Interviewer...
{ "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-v004-syn-028330
0.1
0.1
{ "text": "Proven authorization (RBAC) in production", "skill": "authorization (RBAC)", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-028330-e1", "section": "experience", "source_type": "cv", "text": "Resume claims they designed fine-grained RBAC/ABAC service used by all products." }, { "evidence_id": "sj-v004-syn-028330-e2", "section": "interview", "source_type": "interview", "tex...
{ "group_id": "security", "evidence_label": "contradicted", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "cv_vs_interview", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-031042
0.1
0.1
{ "text": "Working knowledge of scalable system design", "skill": "scalable system design", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-031042-e1", "section": "experience", "source_type": "cv", "text": "Software engineer (2021-2024): designed a single service including data model and failure modes." } ]
{ "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-017376
0.1
0.1
{ "text": "Practical Kubernetes experience", "skill": "Kubernetes", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-017376-e1", "section": "experience", "source_type": "cv", "text": "Software engineer (2021-2024): wrote Helm charts and debugged pods in production." } ]
{ "group_id": "cloud_devops", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "easy", "case_type": "direct_moderate", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-021652
0.1
0.1
{ "text": "Production cross-team leadership skills", "skill": "cross-team leadership", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-021652-e1", "section": "experience", "source_type": "cv", "text": "For 2.5 years I coordinated with one partner team on integration as the main developer of the service." } ]
{ "group_id": "leadership", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "easy", "case_type": "direct_moderate", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v005-bl3-00455
0.1
0.1
{ "text": "Experience with ownership", "skill": "ownership", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v005-bl3-00455-e1", "section": "experience", "source_type": "cv", "text": "Over 3 years I owned a service and its backlog; feature owner, no design ownership." } ]
{ "group_id": "leadership", "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-011444
0.1
0.1
{ "text": "Solid state management knowledge", "skill": "state management", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-011444-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-00734
0.1
0.1
{ "text": "Hands-on TypeScript (frontend)", "skill": "TypeScript (frontend)", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-00734-e1", "section": "cv_excerpt", "source_type": "cv", "text": "As a junior I assisted teammates who wrote typed React components." } ]
{ "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-021571
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-021571-e1", "section": "summary", "source_type": "cv", "text": "I have no experience with technical design docs at all." }, { "evidence_id": "sj-v004-syn-021571-e2", "section": "summary", "source_type": "cv", "text": "Based in Europe, open to remote....
{ "group_id": "leadership", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "explicit_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-022077
0.1
0.1
{ "text": "distributed consistency (must have)", "skill": "distributed consistency", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-022077-e1", "section": "experience", "source_type": "cv", "text": "The platform team designed idempotent, eventually consistent ledger with reconciliation. I joined late and handled minor tasks." } ]
{ "group_id": "system_design", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "team_credit", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-004602
0.1
0.1
{ "text": "Deep Terraform expertise", "skill": "Terraform", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-004602-e1", "section": "skills_list", "source_type": "cv", "text": "Tools: Git, Terraform, Docker, Postman, Jira" } ]
{ "group_id": "cloud_devops", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v002-tr-0097
0.1
0.1
{ "text": "Proven database migrations in production", "skill": "database migrations", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v002-tr-0097-e1", "section": "summary", "source_type": "cv", "text": "Expert in database migrations with 10 years of experience." } ]
{ "group_id": "data_storage", "evidence_label": "partial", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "claim_no_detail", "source": "synthetic_v002", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-021806
0.1
0.1
{ "text": "unit testing (must have)", "skill": "unit testing", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-021806-e1", "section": "experience", "source_type": "cv", "text": "Claimed: set testing standards and raised coverage from 30% to 85% across the org." }, { "evidence_id": "sj-v004-syn-021806-e2", "section": "interview", "source_type": "interview", "t...
{ "group_id": "testing_quality", "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-05898
0.1
0.1
{ "text": "Elasticsearch experience", "skill": "Elasticsearch", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-05898-e1", "section": "cv_excerpt", "source_type": "cv", "text": "I graduated Software Engineering department at Technical College of the Polytechnic University and now I’m gaining education in Marketing. I can easily communicate with the team, solve problems and cases...
{ "group_id": "data_storage", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "1fc1b5c0-377a-5ea8-96d7-13ff3b3f862c", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-real-03976
0.1
0.1
{ "text": "Strong React skills", "skill": "React", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-03976-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Basic knowledge of such JS-stack frameworks and tools: React, Rebass, jQuery, Material, Gulp, Webpack, Restful Api, react-hooks, Angular6, TypeScript." } ]
{ "group_id": "frontend", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "8e73f75b-5e7c-5c0a-9f0a-a4e44babc2ac", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-008439
0.1
0.1
{ "text": "Hands-on incident response", "skill": "incident response", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-008439-e1", "section": "summary", "source_type": "cv", "text": "passionate engineer who loves clean code and best practices." } ]
{ "group_id": "reliability_obs", "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-020177
0.1
0.1
{ "text": "Good understanding of Rust", "skill": "Rust", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-020177-e1", "section": "experience", "source_type": "cv", "text": "Senior engineer (2019-2024): implemented a Rust log shipper replacing Logstash, 10x lower CPU." } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v006-c-01504
0.1
0.1
{ "text": "Strong C#/.NET skills", "skill": "C#/.NET", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v006-c-01504-e1", "section": "experience", "source_type": "cv", "text": "Tried C#/.NET in a weekend pet project to learn the basics." } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "contrast_partial_supported", "source": "synthetic_v006", "split": "train", "label_status": "synthetic_needs_review" }
sj-v005-bl3-00539
0.1
0.1
{ "text": "Solid cross-team leadership knowledge", "skill": "cross-team leadership", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v005-bl3-00539-e1", "section": "experience", "source_type": "cv", "text": "Worked independently: coordinated with one partner team on integration, owning it in production." } ]
{ "group_id": "leadership", "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-017735
0.1
0.1
{ "text": "Working knowledge of distributed consistency", "skill": "distributed consistency", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-017735-e1", "section": "experience", "source_type": "cv", "text": "CV: designed idempotent, eventually consistent ledger with reconciliation." }, { "evidence_id": "sj-v004-syn-017735-e2", "section": "interview", "source_type": "interview", "text": "I...
{ "group_id": "system_design", "evidence_label": "contradicted", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "cv_vs_interview", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-018772
0.1
0.1
{ "text": "Strong hands-on database migrations background", "skill": "database migrations", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-018772-e1", "section": "experience", "source_type": "cv", "text": "Side project: small database migrations demo built while following an online course." }, { "evidence_id": "sj-v004-syn-018772-e2", "section": "summary", "source_type": "cv", "text": "...
{ "group_id": "data_storage", "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-01953
0.1
0.1
{ "text": "Strong GraphQL skills", "skill": "GraphQL", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v006-c-01953-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-real-05390
0.1
0.1
{ "text": "Proven PostgreSQL in production", "skill": "PostgreSQL", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-05390-e1", "section": "cv_excerpt", "source_type": "cv", "text": "I am a highly motivated Front-End Developer with over 3 years of experience in web and mobile development projects. I have worked on projects ranging from startups to large-scale banking applications, wh...
{ "group_id": "data_storage", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "9f20b8ad-5927-5977-9c11-db0b32efc58b", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-syn-029817
0.1
0.1
{ "text": "Proven CI/CD in production", "skill": "CI/CD", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-029817-e1", "section": "projects", "source_type": "portfolio", "text": "Personal project: followed a tutorial to try CI/CD on a toy app." }, { "evidence_id": "sj-v004-syn-029817-e2", "section": "summary", "source_type": "cv", "text": "Fluent English....
{ "group_id": "cloud_devops", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "easy", "case_type": "toy_project", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-013302
0.1
0.1
{ "text": "Practical gRPC experience", "skill": "gRPC", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-013302-e1", "section": "skills_list", "source_type": "cv", "text": "Skills: gRPC, Git, Jira, Agile, Linux" }, { "evidence_id": "sj-v004-syn-013302-e2", "section": "summary", "source_type": "cv", "text": "B.Sc. in Computer Science." } ]
{ "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-005523
0.1
0.1
{ "text": "TypeScript (frontend) (must have)", "skill": "TypeScript (frontend)", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-005523-e1", "section": "experience", "source_type": "cv", "text": "Software engineer (2021-2024): wrote typed React components." }, { "evidence_id": "sj-v004-syn-005523-e2", "section": "summary", "source_type": "cv", "text": "Also worked with Git and...
{ "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-028459
0.1
0.1
{ "text": "Commercial experience with MongoDB", "skill": "MongoDB", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-028459-e1", "section": "summary", "source_type": "cv", "text": "Self-rated 10/10 in MongoDB." } ]
{ "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-011632
0.1
0.1
{ "text": "Practical hiring experience", "skill": "hiring", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-011632-e1", "section": "summary", "source_type": "cv", "text": "I have not used hiring professionally or in projects; my experience is in other areas." }, { "evidence_id": "sj-v004-syn-011632-e2", "section": "summary", "source_type": "cv", "text": "B...
{ "group_id": "leadership", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "explicit_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-04873
0.1
0.1
{ "text": "Proven React in production", "skill": "React", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-04873-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Finished Udemy course 'React-Native' - V.Minin" } ]
{ "group_id": "frontend", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "534d7ae6-0722-59ec-9fc1-ddd081c2b18c", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-real-06284
0.1
0.1
{ "text": "Proven Redis in production", "skill": "Redis", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-06284-e1", "section": "cv_excerpt", "source_type": "cv", "text": "High level German and English; Contracts by phone without the participation of management Assistant | Shidteplobud | Feb 2023-Jun 2023" } ]
{ "group_id": "data_storage", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "f37d802a-6619-5d95-9a02-af29c58a81fa", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v005-bl3-00368
0.1
0.1
{ "text": "Hands-on microservices", "skill": "microservices", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v005-bl3-00368-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-v005-bl4-00921
0.1
0.1
{ "text": "Production web performance skills", "skill": "web performance", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v005-bl4-00921-e1", "section": "experience", "source_type": "cv", "text": "Owned architecture and delivery: improved Core Web Vitals (LCP 4.1s to 1.6s) across the storefront." } ]
{ "group_id": "frontend", "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-024766
0.1
0.1
{ "text": "Expert-level unit testing", "skill": "unit testing", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-024766-e1", "section": "experience", "source_type": "cv", "text": "summary: technical writer producing api documentation. hobbies: football." } ]
{ "group_id": "testing_quality", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "missing_skill", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-04081
0.1
0.1
{ "text": "Java experience", "skill": "Java", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-04081-e1", "section": "cv_excerpt", "source_type": "cv", "text": "I have developed enterprise Java applications using Spring Boot, Hibernate assisted with Redis, Kafka, Contract Tests in microservice architecture." } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "ecd792ad-39be-51c9-b7ed-ed2fe239dbea", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": "v0.2" }
sj-v006-c-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-v006-c-01090-e1", "section": "experience", "source_type": "cv", "text": "Built a small distributed consistency demo app following an online tutorial." } ]
{ "group_id": "system_design", "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-026267
0.1
0.1
{ "text": "Solid SLO/SLI knowledge", "skill": "SLO/SLI", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-026267-e1", "section": "interview", "source_type": "interview", "text": "Interview notes: candidate stated they never used SLO/SLI." }, { "evidence_id": "sj-v004-syn-026267-e2", "section": "summary", "source_type": "cv", "text": "Agile/Scrum teams of...
{ "group_id": "reliability_obs", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "verified_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-015104
0.1
0.1
{ "text": "Deep scalable system design expertise", "skill": "scalable system design", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-015104-e1", "section": "experience", "source_type": "cv", "text": "Software engineer (2021-2024): designed a single service including data model and failure modes." }, { "evidence_id": "sj-v004-syn-015104-e2", "section": "summary", "source_type": "cv", ...
{ "group_id": "system_design", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "easy", "case_type": "direct_moderate", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-011224
0.1
0.1
{ "text": "Strong Go skills", "skill": "Go", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-011224-e1", "section": "projects", "source_type": "portfolio", "text": "Case study: rewrote the Go ingestion service to handle 15k req/s with bounded worker pools. Includes architecture diagrams and benchmark results." } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-023632
0.1
0.1
{ "text": "Hands-on gRPC", "skill": "gRPC", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-023632-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-023632-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-syn-006124
0.1
0.1
{ "text": "Proven encryption in production", "skill": "encryption", "group_id": "security", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-006124-e1", "section": "summary", "source_type": "cv", "text": "i have no experience with encryption at all." }, { "evidence_id": "sj-v004-syn-006124-e2", "section": "summary", "source_type": "cv", "text": "looking for a product company." } ]
{ "group_id": "security", "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-007812
0.1
0.1
{ "text": "Proven Kubernetes in production", "skill": "Kubernetes", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-007812-e1", "section": "interview", "source_type": "interview", "text": "Interview notes: candidate stated they never used Kubernetes." } ]
{ "group_id": "cloud_devops", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "verified_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-006837
0.1
0.1
{ "text": "Strong hands-on technical design docs background", "skill": "technical design docs", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-006837-e1", "section": "experience", "source_type": "cv", "text": "Team member on the payments squad (2021-2024)." } ]
{ "group_id": "leadership", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "missing_skill", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v008-cv-00504
0.1
0.1
{ "text": "Proven ownership in production", "skill": "ownership", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-00504-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Implemented multiple systems with tools like ownership, C++, Bash and Python." } ]
{ "group_id": "leadership", "evidence_label": "partial", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "convention_v02", "source": "synthetic_v008", "split": "train", "label_status": "synthetic_convention_v0.2" }
sj-v004-syn-010691
0.1
0.1
{ "text": "Working knowledge of hiring", "skill": "hiring", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-010691-e1", "section": "interview", "source_type": "interview", "text": "Candidate confirmed they have never worked with hiring." }, { "evidence_id": "sj-v004-syn-010691-e2", "section": "summary", "source_type": "cv", "text": "B.Sc. in Computer Scien...
{ "group_id": "leadership", "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-013742
0.1
0.1
{ "text": "Practical MongoDB experience", "skill": "MongoDB", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-013742-e1", "section": "summary", "source_type": "cv", "text": "I have no experience with MongoDB at all." }, { "evidence_id": "sj-v004-syn-013742-e2", "section": "summary", "source_type": "cv", "text": "Agile/Scrum teams of 5-8 people." } ]
{ "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-syn-029564
0.1
0.1
{ "text": "Production authorization (RBAC) skills", "skill": "authorization (RBAC)", "group_id": "security", "target_level": 4, "importance": "must" }
[]
{ "group_id": "security", "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-001414
0.1
0.1
{ "text": "Good understanding of encryption", "skill": "encryption", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-001414-e1", "section": "experience", "source_type": "cv", "text": "Senior backend developer; key achievement: designed envelope encryption with KMS for PII at rest." } ]
{ "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-023176
0.1
0.1
{ "text": "Commercial experience with performance tuning", "skill": "performance tuning", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-023176-e1", "section": "experience", "source_type": "cv", "text": "Claimed: profiled and tuned JVM services increasing throughput 3x on the same hardware." }, { "evidence_id": "sj-v004-syn-023176-e2", "section": "interview", "source_type": "interview", ...
{ "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-00402
0.1
0.1
{ "text": "Strong unit testing skills", "skill": "unit testing", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-00402-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Wrote unit tests with 90%+coverage." } ]
{ "group_id": "testing_quality", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "4b4a3a54-51af-54ca-a2b9-f08f98306acf", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-030800
0.1
0.1
{ "text": "Practical Kubernetes experience", "skill": "Kubernetes", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-030800-e1", "section": "experience", "source_type": "cv", "text": "Did a Kubernetes tutorial and a hello-world app on GitHub." } ]
{ "group_id": "cloud_devops", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "easy", "case_type": "toy_project", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-023920
0.1
0.1
{ "text": "Expert-level cross-team leadership", "skill": "cross-team leadership", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-023920-e1", "section": "experience", "source_type": "cv", "text": "Mid-level developer: coordinated with one partner team on integration; shipped to production regularly." } ]
{ "group_id": "leadership", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "easy", "case_type": "direct_moderate", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-023651
0.1
0.1
{ "text": "Strong Kafka skills", "skill": "Kafka", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-023651-e1", "section": "experience", "source_type": "cv", "text": "Assisted on tasks where the team built Kafka producers and consumers with retries; picked tickets prepared by the lead." }, { "evidence_id": "sj-v004-syn-023651-e2", "section": "summary", ...
{ "group_id": "system_design", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "easy", "case_type": "below_target", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-028468
0.1
0.1
{ "text": "Solid incident response knowledge", "skill": "incident response", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-028468-e1", "section": "experience", "source_type": "cv", "text": "delivered features end-to-end where i took part in on-call and wrote postmortems." }, { "evidence_id": "sj-v004-syn-028468-e2", "section": "summary", "source_type": "cv", "text": "als...
{ "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-008143
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-008143-e1", "section": "experience", "source_type": "cv", "text": "senior backend developer; key achievement: created deprecation and versioning policy adopted company-wide." }, { "evidence_id": "sj-v004-syn-008143-e2", "section": "summary", "source_type...
{ "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-01549
0.1
0.1
{ "text": "Strong mentoring skills", "skill": "mentoring", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-01549-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Work as a teacher/mentor on HTML/CSS & JS courses for teens and adults." } ]
{ "group_id": "leadership", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "d60cd655-5747-5425-8282-7ed4cfdeecf9", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-028531
0.1
0.1
{ "text": "Hands-on authorization (RBAC)", "skill": "authorization (RBAC)", "group_id": "security", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-028531-e1", "section": "experience", "source_type": "cv", "text": "Side project: small authorization (RBAC) demo built while following an online course." }, { "evidence_id": "sj-v004-syn-028531-e2", "section": "summary", "source_type": "cv", "text": ...
{ "group_id": "security", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "easy", "case_type": "toy_project", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-019164
0.1
0.1
{ "text": "Strong distributed consistency skills", "skill": "distributed consistency", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-019164-e1", "section": "experience", "source_type": "cv", "text": "Under supervision I worked on small parts while the team handled retries and deduplication in distributed jobs." } ]
{ "group_id": "system_design", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "easy", "case_type": "below_target", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-024083
0.1
0.1
{ "text": "Production MongoDB skills", "skill": "MongoDB", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-024083-e1", "section": "experience", "source_type": "cv", "text": "Trainee developer; shadowed seniors who built MongoDB aggregations for reporting." }, { "evidence_id": "sj-v004-syn-024083-e2", "section": "summary", "source_type": "cv", "text": "Loo...
{ "group_id": "data_storage", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "easy", "case_type": "below_target", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-003292
0.1
0.1
{ "text": "Experience with encryption", "skill": "encryption", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-003292-e1", "section": "experience", "source_type": "cv", "text": "Intern then junior: with help from the lead, I contributed while the team enabled TLS and field encryption for user data." } ]
{ "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-v006-c-00417
0.1
0.1
{ "text": "Strong Kotlin skills", "skill": "Kotlin", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v006-c-00417-e1", "section": "experience", "source_type": "cv", "text": "Tried Kotlin in a weekend pet project to learn the basics." } ]
{ "group_id": "lang_core", "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-01050
0.1
0.1
{ "text": "Experience with incident response", "skill": "incident response", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v006-c-01050-e1", "section": "experience", "source_type": "cv", "text": "University coursework included a incident response assignment." } ]
{ "group_id": "reliability_obs", "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-010817
0.1
0.1
{ "text": "Good understanding of Terraform", "skill": "Terraform", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-010817-e1", "section": "experience", "source_type": "cv", "text": "Backend engineer building Java services deployed by a separate ops team to VMs." } ]
{ "group_id": "cloud_devops", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "missing_skill", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v006-c-00875
0.1
0.1
{ "text": "Production incident response skills", "skill": "incident response", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v006-c-00875-e1", "section": "experience", "source_type": "cv", "text": "My team led incident command for SEV1 outages and created the postmortem process; I only wrote some tests around it." } ]
{ "group_id": "reliability_obs", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "contrast_partial_supported", "source": "synthetic_v006", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-025755
0.1
0.1
{ "text": "Good understanding of distributed consistency", "skill": "distributed consistency", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-025755-e1", "section": "experience", "source_type": "cv", "text": "Assisted on tasks where the team handled retries and deduplication in distributed jobs; picked tickets prepared by the lead." } ]
{ "group_id": "system_design", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "easy", "case_type": "below_target", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-026081
0.1
0.1
{ "text": "Proven Docker in production", "skill": "Docker", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-026081-e1", "section": "skills_list", "source_type": "cv", "text": "keywords: agile, docker, linux, rest" } ]
{ "group_id": "cloud_devops", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-027919
0.1
0.1
{ "text": "Strong caching strategy skills", "skill": "caching strategy", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-027919-e1", "section": "summary", "source_type": "cv", "text": "Self-rated 10/10 in caching strategy." } ]
{ "group_id": "system_design", "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-028793
0.1
0.1
{ "text": "Deep REST API design expertise", "skill": "REST API design", "group_id": "api_design", "target_level": 3, "importance": "must" }
[]
{ "group_id": "api_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-006188
0.1
0.1
{ "text": "Expert-level distributed tracing", "skill": "distributed tracing", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-006188-e1", "section": "experience", "source_type": "cv", "text": "Trainee developer; shadowed seniors who instrumented services with OpenTelemetry." } ]
{ "group_id": "reliability_obs", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "easy", "case_type": "below_target", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-030527
0.1
0.1
{ "text": "C#/.NET experience", "skill": "C#/.NET", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-030527-e1", "section": "summary", "source_type": "cv", "text": "Expert in C#/.NET with 10 years of experience." }, { "evidence_id": "sj-v004-syn-030527-e2", "section": "summary", "source_type": "cv", "text": "Based in Europe, open to remote." } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "claim_no_detail", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-002282
0.1
0.1
{ "text": "Solid MongoDB knowledge", "skill": "MongoDB", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-002282-e1", "section": "projects", "source_type": "portfolio", "text": "Personal project: followed a tutorial to try MongoDB on a toy app." }, { "evidence_id": "sj-v004-syn-002282-e2", "section": "summary", "source_type": "cv", "text": "Agile/Scrum t...
{ "group_id": "data_storage", "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-028856
0.1
0.1
{ "text": "Strong Redis skills", "skill": "Redis", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-028856-e1", "section": "experience", "source_type": "cv", "text": "Delivered features end-to-end where I added Redis caching with TTL invalidation." } ]
{ "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-v002-tr-0026
0.1
0.1
{ "text": "Strong TDD skills", "skill": "TDD", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v002-tr-0026-e1", "section": "experience", "source_type": "cv", "text": "Staff+ engineer who coached teams on TDD and ran katas; team defect rate dropped 50%, setting TDD standards across the organization." }, { "evidence_id": "sj-v002-tr-0026-e2", "section": "interv...
{ "group_id": "testing_quality", "evidence_label": "supported", "proficiency_label": "5" }
{ "difficulty": "easy", "case_type": "expert", "source": "synthetic_v002", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-013370
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-013370-e1", "section": "summary", "source_type": "cv", "text": "Advanced microservices skills; strong microservices background." }, { "evidence_id": "sj-v004-syn-013370-e2", "section": "summary", "source_type": "cv", "text": "Agile/Scrum teams of 5-8...
{ "group_id": "system_design", "evidence_label": "partial", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "claim_no_detail", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v005-bl3-00349
0.1
0.1
{ "text": "Production event-driven architecture skills", "skill": "event-driven architecture", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v005-bl3-00349-e1", "section": "experience", "source_type": "cv", "text": "In my current job I implemented event handlers in an event-driven system and fix issues without help." } ]
{ "group_id": "system_design", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "boundary_l3", "source": "synthetic_v005", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-007788
0.1
0.1
{ "text": "Deep performance tuning expertise", "skill": "performance tuning", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-007788-e1", "section": "summary", "source_type": "cv", "text": "Self-rated 10/10 in performance tuning." }, { "evidence_id": "sj-v004-syn-007788-e2", "section": "summary", "source_type": "cv", "text": "Fluent English." } ]
{ "group_id": "reliability_obs", "evidence_label": "partial", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "claim_no_detail", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-026445
0.1
0.1
{ "text": "Deep unit testing expertise", "skill": "unit testing", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-026445-e1", "section": "experience", "source_type": "cv", "text": "For 2.5 years I wrote unit tests for all features as the main developer of the service." } ]
{ "group_id": "testing_quality", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "easy", "case_type": "direct_moderate", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-022060
0.1
0.1
{ "text": "Solid Elasticsearch knowledge", "skill": "Elasticsearch", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-022060-e1", "section": "summary", "source_type": "cv", "text": "Expert in Elasticsearch with 10 years of experience." } ]
{ "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-026775
0.1
0.1
{ "text": "Java (must have)", "skill": "Java", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-026775-e1", "section": "summary", "source_type": "cv", "text": "profile: 'deep java expertise', no further details given." }, { "evidence_id": "sj-v004-syn-026775-e2", "section": "summary", "source_type": "cv", "text": "b.sc. in computer science." ...
{ "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-019851
0.1
0.1
{ "text": "Good understanding of Docker", "skill": "Docker", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-019851-e1", "section": "skills_list", "source_type": "cv", "text": "Technologies: Docker, Docker, Scrum, SQL" } ]
{ "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-v006-c-00983
0.1
0.1
{ "text": "Commercial Kubernetes experience", "skill": "Kubernetes", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v006-c-00983-e1", "section": "experience", "source_type": "cv", "text": "Used Kubernetes on a small internal tool with help from a senior colleague." } ]
{ "group_id": "cloud_devops", "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-01597
0.1
0.1
{ "text": "C#/.NET experience", "skill": "C#/.NET", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-01597-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Developed multiple ASP.NET projects from scratch using a figma design." } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "e57c8e2a-d2fc-5c23-b068-ba8d8d03e406", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-018760
0.1
0.1
{ "text": "Experience with state management", "skill": "state management", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-018760-e1", "section": "projects", "source_type": "portfolio", "text": "Case study: designed client state architecture with Redux Toolkit and React Query. Includes architecture diagrams and benchmark results." }, { "evidence_id": "sj-v004-syn-018760-e2", "se...
{ "group_id": "frontend", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-00657
0.1
0.1
{ "text": "Java experience", "skill": "Java", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-00657-e1", "section": "cv_excerpt", "source_type": "cv", "text": "More than 4 years of commercial Java Backend Development experience building maintainable, scalable and reliable solutions." } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_years_hands_on", "source": "djinni_cv_en", "source_record": "591beb77-fed7-5d20-8d29-2dd402f8017f", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0....
sj-v004-syn-021564
0.1
0.1
{ "text": "static analysis (must have)", "skill": "static analysis", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-021564-e1", "section": "experience", "source_type": "cv", "text": "Contributed peripheral tickets to a project where the team introduced SonarQube and custom lint rules gating all merges." } ]
{ "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-009895
0.1
0.1
{ "text": "unit testing (must have)", "skill": "unit testing", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-009895-e1", "section": "summary", "source_type": "cv", "text": "Profile: 'deep unit testing 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-syn-003840
0.1
0.1
{ "text": "Good understanding of PostgreSQL", "skill": "PostgreSQL", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-003840-e1", "section": "experience", "source_type": "cv", "text": "In my last role I partitioned a 3TB PostgreSQL table and tuned indexes cutting queries from 40s to 1s." }, { "evidence_id": "sj-v004-syn-003840-e2", "section": "summary", "source_type": "...
{ "group_id": "data_storage", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-002499
0.1
0.1
{ "text": "Expert-level React", "skill": "React", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-002499-e1", "section": "interview", "source_type": "interview", "text": "Interview notes: candidate stated they never used React." } ]
{ "group_id": "frontend", "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-003534
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-003534-e1", "section": "summary", "source_type": "cv", "text": "Profile: 'deep C#/.NET 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-030606
0.1
0.1
{ "text": "Working knowledge of SLO/SLI", "skill": "SLO/SLI", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-030606-e1", "section": "interview", "source_type": "interview", "text": "Candidate confirmed they have never worked with SLO/SLI." }, { "evidence_id": "sj-v004-syn-030606-e2", "section": "summary", "source_type": "cv", "text": "Looking for a product ...
{ "group_id": "reliability_obs", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "verified_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-028972
0.1
0.1
{ "text": "Commercial experience with incident response", "skill": "incident response", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-028972-e1", "section": "experience", "source_type": "cv", "text": "Bootcamp assignment: basic incident response exercise." }, { "evidence_id": "sj-v004-syn-028972-e2", "section": "summary", "source_type": "cv", "text": "Fluent English." } ]
{ "group_id": "reliability_obs", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "easy", "case_type": "toy_project", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-024328
0.1
0.1
{ "text": "Commercial experience with code review", "skill": "code review", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-024328-e1", "section": "summary", "source_type": "cv", "text": "I have not used code review professionally or in projects; my experience is in other areas." }, { "evidence_id": "sj-v004-syn-024328-e2", "section": "summary", "source_type": "cv", "text...
{ "group_id": "testing_quality", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "explicit_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-006103
0.1
0.1
{ "text": "Solid Rust knowledge", "skill": "Rust", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-006103-e1", "section": "projects", "source_type": "portfolio", "text": "Case study: implemented a Rust log shipper replacing Logstash, 10x lower CPU. Includes architecture diagrams and benchmark results." }, { "evidence_id": "sj-v004-syn-006103-e2", "section...
{ "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-v008-cv-02009
0.1
0.1
{ "text": "Commercial Redis experience", "skill": "Redis", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-02009-e1", "section": "cv_excerpt", "source_type": "cv", "text": "As a junior I assisted teammates who added Redis caching with TTL invalidation." } ]
{ "group_id": "data_storage", "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-009073
0.1
0.1
{ "text": "Production TypeScript (frontend) skills", "skill": "TypeScript (frontend)", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-009073-e1", "section": "summary", "source_type": "cv", "text": "Advanced TypeScript (frontend) skills; strong TypeScript (frontend) background." }, { "evidence_id": "sj-v004-syn-009073-e2", "section": "summary", "source_type": "cv", "text": "Based in...
{ "group_id": "frontend", "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-00058
0.1
0.1
{ "text": "Strong OpenAPI skills", "skill": "OpenAPI", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-00058-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Picked up OpenAPI while working on a client project." } ]
{ "group_id": "api_design", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "convention_v02", "source": "synthetic_v008", "split": "train", "label_status": "synthetic_convention_v0.2" }
sj-v004-syn-029123
0.1
0.1
{ "text": "Solid GraphQL knowledge", "skill": "GraphQL", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-029123-e1", "section": "summary", "source_type": "cv", "text": "Haven't worked with GraphQL; my background is elsewhere." } ]
{ "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-syn-027138
0.1
0.1
{ "text": "Solid unit testing knowledge", "skill": "unit testing", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-027138-e1", "section": "experience", "source_type": "cv", "text": "Assisted on tasks where the team wrote unit tests for all features; picked tickets prepared by the lead." }, { "evidence_id": "sj-v004-syn-027138-e2", "section": "summary", "source_type":...
{ "group_id": "testing_quality", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "easy", "case_type": "below_target", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }