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sj-v004-syn-026469
0.1
0.1
{ "text": "Proven PostgreSQL in production", "skill": "PostgreSQL", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-026469-e1", "section": "experience", "source_type": "cv", "text": "software engineer (2021-2024): wrote migrations and optimized slow postgresql queries." } ]
{ "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-021327
0.1
0.1
{ "text": "Working knowledge of React", "skill": "React", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-021327-e1", "section": "experience", "source_type": "cv", "text": "Lead engineer 2018-2023: architected React micro-frontend platform for 6 teams." }, { "evidence_id": "sj-v004-syn-021327-e2", "section": "summary", "source_type": "cv", "text": "Agile...
{ "group_id": "frontend", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-002891
0.1
0.1
{ "text": "Working knowledge of C#/.NET", "skill": "C#/.NET", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-002891-e1", "section": "interview", "source_type": "interview", "text": "Screening: asked about C#/.NET, candidate has not worked with it." }, { "evidence_id": "sj-v004-syn-002891-e2", "section": "summary", "source_type": "cv", "text": "B.Sc. in Comp...
{ "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-031370
0.1
0.1
{ "text": "Strong TDD skills", "skill": "TDD", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-031370-e1", "section": "summary", "source_type": "cv", "text": "I have no experience with TDD at all." } ]
{ "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-v006-c-00323
0.1
0.1
{ "text": "Experience with performance tuning", "skill": "performance tuning", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v006-c-00323-e1", "section": "experience", "source_type": "cv", "text": "Freelance: delivered several client projects where I fixed N+1 queries and memory leaks." } ]
{ "group_id": "reliability_obs", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "contrast_partial_supported", "source": "synthetic_v006", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-011093
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-011093-e1", "section": "experience", "source_type": "cv", "text": "Independently wrote design docs for team features; on-call owner for it." } ]
{ "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-016756
0.1
0.1
{ "text": "Production ownership skills", "skill": "ownership", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-016756-e1", "section": "experience", "source_type": "cv", "text": "Team member on the payments squad (2021-2024)." } ]
{ "group_id": "leadership", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "missing_skill", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-02190
0.1
0.1
{ "text": "Strong Python skills", "skill": "Python", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-02190-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Management/Python scripting of AWS services related to Machine Learning and IoT." } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "8364bf1c-007f-5a0a-aa67-6a24e86c649e", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": "v0.2" }
sj-v004-syn-025535
0.1
0.1
{ "text": "Solid Python knowledge", "skill": "Python", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-025535-e1", "section": "summary", "source_type": "cv", "text": "Haven't worked with Python; 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-v004-real-03020
0.1
0.1
{ "text": "Proven Go in production", "skill": "Go", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-03020-e1", "section": "cv_excerpt", "source_type": "cv", "text": "As an experienced back-end developer with 3 years of hands-on experience, I am well-versed in PHP, JavaScript, Golang, and C#." } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "real_years_hands_on", "source": "djinni_cv_en", "source_record": "6c5901ea-536c-5c3e-8a9d-9591ee39b36a", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": "v...
sj-v004-syn-026912
0.1
0.1
{ "text": "Production performance tuning skills", "skill": "performance tuning", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-026912-e1", "section": "experience", "source_type": "cv", "text": "under supervision i worked on small parts while the team fixed n+1 queries and memory leaks." } ]
{ "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-v005-bl5-01437
0.1
0.1
{ "text": "Production REST API design skills", "skill": "REST API design", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v005-bl5-01437-e1", "section": "experience", "source_type": "cv", "text": "Organization-level owner of REST API design strategy: designed a versioned public REST API (OpenAPI) for 40+ partners with idempotency keys, consulted by every team." } ]
{ "group_id": "api_design", "evidence_label": "supported", "proficiency_label": "5" }
{ "difficulty": "hard", "case_type": "boundary_l5", "source": "synthetic_v005", "split": "train", "label_status": "synthetic_needs_review" }
sj-v008-cv-01411
0.1
0.1
{ "text": "Commercial secrets management experience", "skill": "secrets management", "group_id": "security", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-01411-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Would like to grow into secrets management development in the future." } ]
{ "group_id": "security", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "convention_v02", "source": "synthetic_v008", "split": "train", "label_status": "synthetic_convention_v0.2" }
sj-v006-c-01325
0.1
0.1
{ "text": "Production PostgreSQL skills", "skill": "PostgreSQL", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v006-c-01325-e1", "section": "experience", "source_type": "cv", "text": "University coursework included a PostgreSQL assignment." } ]
{ "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-syn-028488
0.1
0.1
{ "text": "Production performance tuning skills", "skill": "performance tuning", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-028488-e1", "section": "experience", "source_type": "cv", "text": "Summary: Product designer running user research. Hobbies: football." } ]
{ "group_id": "reliability_obs", "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-00430
0.1
0.1
{ "text": "Java experience", "skill": "Java", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-00430-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Technologies: Android SDK, Java SE, Retrofit, Picasso, okHttp, gson, Otto, EventBus, RxJava, Dagger 2, libGDX;" } ]
{ "group_id": "lang_core", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_keyword_list", "source": "djinni_cv_en", "source_record": "581dfefa-ef3c-5290-9158-b07406c2c3cb", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2"...
sj-v004-syn-015304
0.1
0.1
{ "text": "OpenAPI (must have)", "skill": "OpenAPI", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-015304-e1", "section": "experience", "source_type": "cv", "text": "under supervision i worked on small parts while the team wrote openapi specs for team services." } ]
{ "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-008266
0.1
0.1
{ "text": "Expert-level API versioning", "skill": "API versioning", "group_id": "api_design", "target_level": 4, "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-005806
0.1
0.1
{ "text": "Working knowledge of integration testing", "skill": "integration testing", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-005806-e1", "section": "experience", "source_type": "cv", "text": "For 2.5 years I wrote integration tests against real databases 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-014277
0.1
0.1
{ "text": "web performance experience", "skill": "web performance", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-014277-e1", "section": "experience", "source_type": "cv", "text": "claimed: improved core web vitals (lcp 4.1s to 1.6s) across the storefront." }, { "evidence_id": "sj-v004-syn-014277-e2", "section": "interview", "source_type": "interview", "text": "...
{ "group_id": "frontend", "evidence_label": "contradicted", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "cv_vs_interview", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-021213
0.1
0.1
{ "text": "Production secrets management skills", "skill": "secrets management", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-021213-e1", "section": "summary", "source_type": "cv", "text": "secrets management: none so far." }, { "evidence_id": "sj-v004-syn-021213-e2", "section": "summary", "source_type": "cv", "text": "Fluent English." } ]
{ "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-014454
0.1
0.1
{ "text": "Experience with GCP", "skill": "GCP", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-014454-e1", "section": "skills_list", "source_type": "cv", "text": "Keywords: Agile, GCP, Linux, REST" }, { "evidence_id": "sj-v004-syn-014454-e2", "section": "summary", "source_type": "cv", "text": "Agile/Scrum teams of 5-8 people." } ]
{ "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-028389
0.1
0.1
{ "text": "PostgreSQL experience", "skill": "PostgreSQL", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-028389-e1", "section": "summary", "source_type": "cv", "text": "Advanced PostgreSQL skills; strong PostgreSQL background." }, { "evidence_id": "sj-v004-syn-028389-e2", "section": "summary", "source_type": "cv", "text": "B.Sc. in Computer Science." ...
{ "group_id": "data_storage", "evidence_label": "partial", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "claim_no_detail", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-05004
0.1
0.1
{ "text": "Strong MySQL skills", "skill": "MySQL", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-05004-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Established and streamlined DevOps, Backend, QA, and Frontend teams. Directed enterprise applications and monitoring architectures planning and execution. Spearheaded distributed teams across time zones ...
{ "group_id": "data_storage", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "9ef04569-fc91-5c95-87dc-71a62669a983", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-syn-011658
0.1
0.1
{ "text": "Strong MySQL skills", "skill": "MySQL", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-011658-e1", "section": "experience", "source_type": "cv", "text": "Did a MySQL tutorial and a hello-world app on GitHub." }, { "evidence_id": "sj-v004-syn-011658-e2", "section": "summary", "source_type": "cv", "text": "Also worked with Git and Jira."...
{ "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-real-06871
0.1
0.1
{ "text": "Proven Terraform in production", "skill": "Terraform", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-06871-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Hi there! I'm an Angular Developer with 2 years of experience, and I'm passionate about building robust and user-friendly web applications. I enjoy working with Angular's powerful ecosystem, including An...
{ "group_id": "cloud_devops", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "a42e01f3-cf66-548e-b5ee-45223ce8999e", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-syn-023267
0.1
0.1
{ "text": "Production Rust skills", "skill": "Rust", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-023267-e1", "section": "summary", "source_type": "cv", "text": "Haven't worked with Rust; my background is elsewhere." }, { "evidence_id": "sj-v004-syn-023267-e2", "section": "summary", "source_type": "cv", "text": "Fluent English." } ]
{ "group_id": "lang_core", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "explicit_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-02593
0.1
0.1
{ "text": "Proven CI/CD in production", "skill": "CI/CD", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-02593-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Built company-wide CI/CD principles and best practices." } ]
{ "group_id": "cloud_devops", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "74a8c7c1-6cb3-5f21-98cf-b80162dfaed2", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-real-02804
0.1
0.1
{ "text": "Proven AWS in production", "skill": "AWS", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-02804-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Implemented a scalable and highly available infrastructure on AWS using Terraform, allowing the client to easily manage their resources and reduce costs" } ]
{ "group_id": "cloud_devops", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "eff240bf-1d57-5435-9bb2-17b7a5cfb40e", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-006651
0.1
0.1
{ "text": "Practical event-driven architecture experience", "skill": "event-driven architecture", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-006651-e1", "section": "interview", "source_type": "interview", "text": "Interview notes: candidate stated they never used event-driven architecture." } ]
{ "group_id": "system_design", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "verified_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-004597
0.1
0.1
{ "text": "Experience with hiring", "skill": "hiring", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-004597-e1", "section": "experience", "source_type": "cv", "text": "Did a hiring tutorial and a hello-world app on GitHub." } ]
{ "group_id": "leadership", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "easy", "case_type": "toy_project", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-03057
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-03057-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Have expertise in the frontend (JS, React) and backend (RoR, Python/Flask), and, of course, in test coverage :)" } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "c12948ba-80a0-5340-ae92-1f1e81d3d3ed", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": "v0.2" }
sj-v008-cv-00231
0.1
0.1
{ "text": "Proven accessibility in production", "skill": "accessibility", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-00231-e1", "section": "cv_excerpt", "source_type": "cv", "text": "As a junior I assisted teammates who fixed accessibility issues reported by QA." } ]
{ "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-v005-bl5-01261
0.1
0.1
{ "text": "Hands-on MySQL", "skill": "MySQL", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v005-bl5-01261-e1", "section": "experience", "source_type": "cv", "text": "Organization-level owner of MySQL strategy: set up MySQL semi-sync replication and online schema changes at 20k QPS, consulted by every team." } ]
{ "group_id": "data_storage", "evidence_label": "supported", "proficiency_label": "5" }
{ "difficulty": "hard", "case_type": "boundary_l5", "source": "synthetic_v005", "split": "train", "label_status": "synthetic_needs_review" }
sj-v008-cv-01477
0.1
0.1
{ "text": "Strong CI/CD skills", "skill": "CI/CD", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-01477-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Built various applications with CI/CD, Java, Go and SQL." } ]
{ "group_id": "cloud_devops", "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-020397
0.1
0.1
{ "text": "Practical MySQL experience", "skill": "MySQL", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-020397-e1", "section": "projects", "source_type": "portfolio", "text": "Case study: set up MySQL semi-sync replication and online schema changes at 20k QPS. Includes architecture diagrams and benchmark results." } ]
{ "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-014097
0.1
0.1
{ "text": "TDD experience", "skill": "TDD", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-014097-e1", "section": "skills_list", "source_type": "cv", "text": "Skills: TDD, Git, Jira, Agile, Linux" }, { "evidence_id": "sj-v004-syn-014097-e2", "section": "summary", "source_type": "cv", "text": "Fluent English." } ]
{ "group_id": "testing_quality", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-007766
0.1
0.1
{ "text": "Practical Docker experience", "skill": "Docker", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-007766-e1", "section": "experience", "source_type": "cv", "text": "Staff+ engineer who built hardened multi-stage Docker images and base-image program for all teams, setting Docker standards across the organization." }, { "evidence_id": "sj-v004-syn-007766-e2", ...
{ "group_id": "cloud_devops", "evidence_label": "supported", "proficiency_label": "5" }
{ "difficulty": "easy", "case_type": "expert", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-001936
0.1
0.1
{ "text": "authorization (RBAC) (must have)", "skill": "authorization (RBAC)", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-001936-e1", "section": "projects", "source_type": "portfolio", "text": "case study: designed fine-grained rbac/abac service used by all products. includes architecture diagrams and benchmark results." }, { "evidence_id": "sj-v004-syn-001936-e2", "section": "...
{ "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-v006-c-01324
0.1
0.1
{ "text": "Commercial Kubernetes experience", "skill": "Kubernetes", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v006-c-01324-e1", "section": "experience", "source_type": "cv", "text": "Built and operated Kubernetes components in production for 2+ years: wrote Helm charts and debugged pods in production." } ]
{ "group_id": "cloud_devops", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "contrast_partial_supported", "source": "synthetic_v006", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-020960
0.1
0.1
{ "text": "monitoring (must have)", "skill": "monitoring", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-020960-e1", "section": "experience", "source_type": "cv", "text": "In my last role I built the company observability stack (Prometheus, Grafana) and SLO program." } ]
{ "group_id": "reliability_obs", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-001357
0.1
0.1
{ "text": "Proven distributed consistency in production", "skill": "distributed consistency", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-001357-e1", "section": "experience", "source_type": "cv", "text": "Delivered features end-to-end where I handled retries and deduplication in distributed jobs." } ]
{ "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-006633
0.1
0.1
{ "text": "Working knowledge of OWASP secure coding", "skill": "OWASP secure coding", "group_id": "security", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-006633-e1", "section": "projects", "source_type": "portfolio", "text": "Personal project: followed a tutorial to try OWASP secure coding on a toy app." }, { "evidence_id": "sj-v004-syn-006633-e2", "section": "summary", "source_type": "cv", "text": "B...
{ "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-real-00382
0.1
0.1
{ "text": "React experience", "skill": "React", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-00382-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Currently studying Redux and improving my skills in React." } ]
{ "group_id": "frontend", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "0488151a-561c-5548-a259-d0b0934b36d8", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-013017
0.1
0.1
{ "text": "Working knowledge of Elasticsearch", "skill": "Elasticsearch", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-013017-e1", "section": "experience", "source_type": "cv", "text": "trainee developer; shadowed seniors who built search features on elasticsearch." }, { "evidence_id": "sj-v004-syn-013017-e2", "section": "summary", "source_type": "cv", "text": "looki...
{ "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-004914
0.1
0.1
{ "text": "Deep incident response expertise", "skill": "incident response", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-004914-e1", "section": "experience", "source_type": "cv", "text": "Product designer running user research." } ]
{ "group_id": "reliability_obs", "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-012135
0.1
0.1
{ "text": "Experience with web performance", "skill": "web performance", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-012135-e1", "section": "summary", "source_type": "cv", "text": "Profile: 'deep web performance expertise', no further details given." } ]
{ "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-v004-syn-018610
0.1
0.1
{ "text": "React experience", "skill": "React", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-018610-e1", "section": "experience", "source_type": "cv", "text": "Was part of a team that architected React micro-frontend platform for 6 teams; I worked on smaller tickets around it." } ]
{ "group_id": "frontend", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "team_credit", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-027849
0.1
0.1
{ "text": "Experience with distributed consistency", "skill": "distributed consistency", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-027849-e1", "section": "experience", "source_type": "cv", "text": "Bootcamp assignment: basic distributed consistency exercise." }, { "evidence_id": "sj-v004-syn-027849-e2", "section": "summary", "source_type": "cv", "text": "Looking for a product co...
{ "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-real-02760
0.1
0.1
{ "text": "Strong Kubernetes skills", "skill": "Kubernetes", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-02760-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Created the Kubernetes deployments from scratch." } ]
{ "group_id": "cloud_devops", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "8d46e14f-da2c-5d33-9fc6-a77287703055", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-024302
0.1
0.1
{ "text": "Practical Go experience", "skill": "Go", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-024302-e1", "section": "experience", "source_type": "cv", "text": "Under supervision I worked on small parts while the team built Go microservices and fixed production bugs." } ]
{ "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-025692
0.1
0.1
{ "text": "Proven gRPC in production", "skill": "gRPC", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-025692-e1", "section": "experience", "source_type": "cv", "text": "Summary: Data analyst building Tableau dashboards and SQL reports. Hobbies: football." } ]
{ "group_id": "api_design", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "missing_skill", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-003223
0.1
0.1
{ "text": "Production C#/.NET skills", "skill": "C#/.NET", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-003223-e1", "section": "summary", "source_type": "cv", "text": "Haven't worked with C#/.NET; my background is elsewhere." }, { "evidence_id": "sj-v004-syn-003223-e2", "section": "summary", "source_type": "cv", "text": "Based in Europe, open to remote...
{ "group_id": "lang_core", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "explicit_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-05300
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-05300-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Was promoted to Senior Customer Care Agent in Wiserbrand and Luxoft. Used to create knowledgebase articles and trainings for newcomers, assisted TL with QA and training. I used to work in one of the larg...
{ "group_id": "data_storage", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "3853e923-106a-531e-af2d-a17180cec827", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-real-02545
0.1
0.1
{ "text": "Java experience", "skill": "Java", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-02545-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Technologies: All mobile development options, React.js, Angular, PHP, Java, Node.js, C++" } ]
{ "group_id": "lang_core", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_keyword_list", "source": "djinni_cv_en", "source_record": "0ddc84aa-3d31-53fa-a6de-240cbf01f88a", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2"...
sj-v004-syn-009349
0.1
0.1
{ "text": "Expert-level GraphQL", "skill": "GraphQL", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-009349-e1", "section": "experience", "source_type": "cv", "text": "Software engineer (2021-2024): built GraphQL resolvers for the mobile app." } ]
{ "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-028245
0.1
0.1
{ "text": "Working knowledge of Rust", "skill": "Rust", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-028245-e1", "section": "experience", "source_type": "cv", "text": "As distinguished engineer I implemented a Rust log shipper replacing Logstash, 10x lower CPU; I am the go-to Rust authority company-wide and publish on Rust." } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "5" }
{ "difficulty": "easy", "case_type": "expert", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-006304
0.1
0.1
{ "text": "Good understanding of AWS", "skill": "AWS", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-006304-e1", "section": "summary", "source_type": "cv", "text": "Haven't worked with AWS; my background is elsewhere." } ]
{ "group_id": "cloud_devops", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "explicit_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-00428
0.1
0.1
{ "text": "React experience", "skill": "React", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-00428-e1", "section": "cv_excerpt", "source_type": "cv", "text": "I was responsible for creating visual part for both web app and desktop app using HTML, SCSS, JS, React, Redux (Redux Saga), Firebase, Electron." } ]
{ "group_id": "frontend", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "b2e0303a-e135-5bb9-9d28-5cf147087b64", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-022210
0.1
0.1
{ "text": "Commercial experience with distributed consistency", "skill": "distributed consistency", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-022210-e1", "section": "experience", "source_type": "cv", "text": "Under supervision I worked on small parts while the team handled retries and deduplication in distributed jobs." }, { "evidence_id": "sj-v004-syn-022210-e2", "section": "summary", "source...
{ "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-004295
0.1
0.1
{ "text": "Java (must have)", "skill": "Java", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-004295-e1", "section": "summary", "source_type": "cv", "text": "I have not used Java professionally or in projects; my experience is in other areas." }, { "evidence_id": "sj-v004-syn-004295-e2", "section": "summary", "source_type": "cv", "text": "Loo...
{ "group_id": "lang_core", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "explicit_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-01484
0.1
0.1
{ "text": "Proven Kubernetes in production", "skill": "Kubernetes", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-01484-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Nowadays I am learning Terraform, Ansible and Kubernetes and implementing them to projects." } ]
{ "group_id": "cloud_devops", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "4ba5134e-4426-547e-b2a3-36068b76bdc8", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-022416
0.1
0.1
{ "text": "Hands-on distributed consistency", "skill": "distributed consistency", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-022416-e1", "section": "skills_list", "source_type": "cv", "text": "Tools: Git, distributed consistency, Docker, Postman, Jira" } ]
{ "group_id": "system_design", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-025753
0.1
0.1
{ "text": "static analysis (must have)", "skill": "static analysis", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-025753-e1", "section": "experience", "source_type": "cv", "text": "The platform team introduced SonarQube and custom lint rules gating all merges. I joined late and handled minor tasks." } ]
{ "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-000655
0.1
0.1
{ "text": "Deep Python expertise", "skill": "Python", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-000655-e1", "section": "experience", "source_type": "cv", "text": "Our squad architected an async Python (FastAPI) platform serving 30 internal teams; I mainly fixed bugs and wrote docs." }, { "evidence_id": "sj-v004-syn-000655-e2", "section": "summary", ...
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "team_credit", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-015503
0.1
0.1
{ "text": "CI/CD (must have)", "skill": "CI/CD", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-015503-e1", "section": "experience", "source_type": "cv", "text": "Lead engineer 2018-2023: designed CI/CD with canary and automated rollback for 60 repos." }, { "evidence_id": "sj-v004-syn-015503-e2", "section": "summary", "source_type": "cv", "text...
{ "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-real-06443
0.1
0.1
{ "text": "REST API design experience", "skill": "REST API design", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-06443-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Currently I'm looking for a job as a Junior Front-end Developer, but for more than 15 years I have worked as a Desktop Publishing Designer, having my own publishing newspaper. But for the last two years ...
{ "group_id": "api_design", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "45a56323-601d-5038-9346-a6a37ae816c7", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-real-05440
0.1
0.1
{ "text": "Proven Kubernetes in production", "skill": "Kubernetes", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-05440-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Current Internship in LinkUp Now I’m a beginner in business analysis. So I finished course in EPAM for starters." } ]
{ "group_id": "cloud_devops", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "eef62fc7-d295-50ed-b1a4-2e00c589c78d", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-syn-029566
0.1
0.1
{ "text": "Proven Node.js in production", "skill": "Node.js", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-029566-e1", "section": "skills_list", "source_type": "cv", "text": "Technologies: Docker, Node.js, Scrum, SQL" } ]
{ "group_id": "lang_core", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-014353
0.1
0.1
{ "text": "Experience with distributed tracing", "skill": "distributed tracing", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-014353-e1", "section": "skills_list", "source_type": "cv", "text": "Skills: distributed tracing, Git, Jira, Agile, Linux" } ]
{ "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-001819
0.1
0.1
{ "text": "Practical AWS experience", "skill": "AWS", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-001819-e1", "section": "summary", "source_type": "cv", "text": "No hands-on AWS experience yet; planning to learn it." } ]
{ "group_id": "cloud_devops", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "explicit_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-022973
0.1
0.1
{ "text": "incident response (must have)", "skill": "incident response", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-022973-e1", "section": "interview", "source_type": "interview", "text": "Interviewer: zero incident response exposure confirmed by candidate." } ]
{ "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-005174
0.1
0.1
{ "text": "Solid scalable system design knowledge", "skill": "scalable system design", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-005174-e1", "section": "summary", "source_type": "cv", "text": "Profile: 'deep scalable system design expertise', no further details given." } ]
{ "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-007031
0.1
0.1
{ "text": "Solid REST API design knowledge", "skill": "REST API design", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-007031-e1", "section": "experience", "source_type": "cv", "text": "Senior engineer (2019-2024): designed a versioned public REST API (OpenAPI) for 40+ partners with idempotency keys." }, { "evidence_id": "sj-v004-syn-007031-e2", "section": "summary", "so...
{ "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-007961
0.1
0.1
{ "text": "Experience with web performance", "skill": "web performance", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-007961-e1", "section": "experience", "source_type": "cv", "text": "Senior backend developer; key achievement: improved Core Web Vitals (LCP 4.1s to 1.6s) across the storefront." } ]
{ "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-v005-bl5-01366
0.1
0.1
{ "text": "Hands-on state management", "skill": "state management", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v005-bl5-01366-e1", "section": "experience", "source_type": "cv", "text": "Company-wide state management authority: designed client state architecture with Redux Toolkit and React Query; defined the state management standards all teams follow and speak at conferences." } ]
{ "group_id": "frontend", "evidence_label": "supported", "proficiency_label": "5" }
{ "difficulty": "hard", "case_type": "boundary_l5", "source": "synthetic_v005", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-014478
0.1
0.1
{ "text": "Hands-on accessibility", "skill": "accessibility", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-014478-e1", "section": "experience", "source_type": "cv", "text": "Intern then junior: with help from the lead, I contributed while the team fixed accessibility issues reported by QA." }, { "evidence_id": "sj-v004-syn-014478-e2", "section": "summary", "s...
{ "group_id": "frontend", "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-024331
0.1
0.1
{ "text": "Deep state management expertise", "skill": "state management", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-024331-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." } ]
{ "group_id": "frontend", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-016968
0.1
0.1
{ "text": "Strong hands-on microservices background", "skill": "microservices", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-016968-e1", "section": "summary", "source_type": "cv", "text": "Fast learner, team player, results-driven." } ]
{ "group_id": "system_design", "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-03723
0.1
0.1
{ "text": "Node.js experience", "skill": "Node.js", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-03723-e1", "section": "cv_excerpt", "source_type": "cv", "text": "I am a senior full-stack developer with 10+ years of experience, I have worked many web applications using frameworks like reactJS/vueJS/AngularJS/nodeJS/express/NestJS." } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_years_hands_on", "source": "djinni_cv_en", "source_record": "d0f5eae6-3ed3-5739-bfa2-fb02781f5eb6", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0....
sj-v004-syn-005907
0.1
0.1
{ "text": "Working knowledge of OpenAPI", "skill": "OpenAPI", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-005907-e1", "section": "experience", "source_type": "cv", "text": "Core contributor to the OpenAPI ecosystem; introduced contract-first OpenAPI workflow with generated SDKs." }, { "evidence_id": "sj-v004-syn-005907-e2", "section": "summary", "source_type...
{ "group_id": "api_design", "evidence_label": "supported", "proficiency_label": "5" }
{ "difficulty": "easy", "case_type": "expert", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-001590
0.1
0.1
{ "text": "Strong hands-on GraphQL background", "skill": "GraphQL", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-001590-e1", "section": "experience", "source_type": "cv", "text": "Built and ran services using REST; considering GraphQL next." } ]
{ "group_id": "api_design", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "adjacent_tech", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-029152
0.1
0.1
{ "text": "Proven performance tuning in production", "skill": "performance tuning", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-029152-e1", "section": "summary", "source_type": "cv", "text": "Strong problem solver, passionate about technology." } ]
{ "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-018317
0.1
0.1
{ "text": "Strong hands-on unit testing background", "skill": "unit testing", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-018317-e1", "section": "experience", "source_type": "cv", "text": "cv: set testing standards and raised coverage from 30% to 85% across the org." }, { "evidence_id": "sj-v004-syn-018317-e2", "section": "interview", "source_type": "interview", "text":...
{ "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-syn-002992
0.1
0.1
{ "text": "Proven Terraform in production", "skill": "Terraform", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-002992-e1", "section": "skills_list", "source_type": "cv", "text": "Keywords: Agile, Terraform, 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-real-05773
0.1
0.1
{ "text": "Strong mentoring skills", "skill": "mentoring", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-05773-e1", "section": "cv_excerpt", "source_type": "cv", "text": "E-commerce Account Specialist (Amazon, Walmart, Etsy) LexUnder Inc. Keywords preparation for copywriters using Helium 10; Preparing titles for new products;" } ]
{ "group_id": "leadership", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "c55ce9cf-4040-5887-b27c-6426b617fc9e", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v006-c-00347
0.1
0.1
{ "text": "Commercial Kafka experience", "skill": "Kafka", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v006-c-00347-e1", "section": "experience", "source_type": "cv", "text": "Freelance: delivered several client projects where I built Kafka producers and consumers with retries." } ]
{ "group_id": "system_design", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "contrast_partial_supported", "source": "synthetic_v006", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-016792
0.1
0.1
{ "text": "Commercial experience with REST API design", "skill": "REST API design", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-016792-e1", "section": "summary", "source_type": "cv", "text": "Passionate engineer who loves clean code and best practices." } ]
{ "group_id": "api_design", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "easy", "case_type": "vague_claim", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v005-bl4-01166
0.1
0.1
{ "text": "Strong state management skills", "skill": "state management", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v005-bl4-01166-e1", "section": "experience", "source_type": "cv", "text": "Key result as tech lead: designed client state architecture with Redux Toolkit and React Query." } ]
{ "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-027822
0.1
0.1
{ "text": "Strong Go skills", "skill": "Go", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-027822-e1", "section": "experience", "source_type": "cv", "text": "Main stack: Rust. Delivered several production projects with it." } ]
{ "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-v004-syn-011551
0.1
0.1
{ "text": "Solid API versioning knowledge", "skill": "API versioning", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-011551-e1", "section": "experience", "source_type": "cv", "text": "For 2.5 years I shipped v2 of an internal API with backward compatibility as the main developer of the service." }, { "evidence_id": "sj-v004-syn-011551-e2", "section": "summary", "source...
{ "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-real-01222
0.1
0.1
{ "text": "Strong AWS skills", "skill": "AWS", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-01222-e1", "section": "cv_excerpt", "source_type": "cv", "text": "I am a DevOps Engineer with about 2 years of experience in AWS, with solid hands-on experience with services EKS, VPC, IAM, SES, SNS etc." } ]
{ "group_id": "cloud_devops", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_years_hands_on", "source": "djinni_cv_en", "source_record": "59d1efd3-33d8-5fbd-af8f-65612c033b5e", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0....
sj-v004-syn-017681
0.1
0.1
{ "text": "Production OpenAPI skills", "skill": "OpenAPI", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-017681-e1", "section": "skills_list", "source_type": "cv", "text": "keywords: agile, openapi, linux, rest" }, { "evidence_id": "sj-v004-syn-017681-e2", "section": "summary", "source_type": "cv", "text": "agile/scrum teams of 5-8 people." } ]
{ "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-real-04354
0.1
0.1
{ "text": "Proven Python in production", "skill": "Python", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-04354-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Wrote computer programs (Python, Fortran) for the numerical study of the obtained solutions." } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "b8aff927-f467-5192-82d1-d224b8810158", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v005-bl4-01129
0.1
0.1
{ "text": "Experience with GCP", "skill": "GCP", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v005-bl4-01129-e1", "section": "experience", "source_type": "cv", "text": "Owned architecture and delivery: architected GCP data platform on GKE and BigQuery." } ]
{ "group_id": "cloud_devops", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "hard", "case_type": "boundary_l4", "source": "synthetic_v005", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-02158
0.1
0.1
{ "text": "Python experience", "skill": "Python", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-02158-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Recently I finished courses of Automation Testing using Selenium and Python, those include practical tasks as writing test for provided sites, work with GIT repository, and test tracking system." } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "90b93853-352d-5899-b262-f7c7899e9ecf", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-029827
0.1
0.1
{ "text": "Working knowledge of AWS", "skill": "AWS", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-029827-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-003729
0.1
0.1
{ "text": "Good understanding of C#/.NET", "skill": "C#/.NET", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-003729-e1", "section": "interview", "source_type": "interview", "text": "Screening: asked about C#/.NET, candidate has not worked with it." } ]
{ "group_id": "lang_core", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "verified_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-018345
0.1
0.1
{ "text": "Hands-on Kubernetes", "skill": "Kubernetes", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-018345-e1", "section": "interview", "source_type": "interview", "text": "Interview notes: candidate stated they never used Kubernetes." }, { "evidence_id": "sj-v004-syn-018345-e2", "section": "summary", "source_type": "cv", "text": "Fluent English." ...
{ "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-v008-cv-01784
0.1
0.1
{ "text": "Experience with MongoDB", "skill": "MongoDB", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-01784-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Ran a MongoDB study group for university students for a semester." } ]
{ "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" }