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sj-v004-real-04586
0.1
0.1
{ "text": "Strong Java skills", "skill": "Java", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-04586-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Oracle, SQL, Sybase, Java(basic)" } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "4f6475ef-765d-5954-a323-b5d79b05ae56", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-real-00781
0.1
0.1
{ "text": "Proven REST API design in production", "skill": "REST API design", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-00781-e1", "section": "cv_excerpt", "source_type": "cv", "text": "4 years of experience in Manual QA (Web, Mobile, REST API);" } ]
{ "group_id": "api_design", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_years_hands_on", "source": "djinni_cv_en", "source_record": "780a58a9-76f3-5eca-9812-547663d858fa", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0....
sj-v004-syn-008261
0.1
0.1
{ "text": "Good understanding of Redis", "skill": "Redis", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-008261-e1", "section": "experience", "source_type": "cv", "text": "Day to day I added Redis caching with TTL invalidation on my own." } ]
{ "group_id": "data_storage", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "easy", "case_type": "direct_moderate", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-01234
0.1
0.1
{ "text": "Proven code review in production", "skill": "code review", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-01234-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Remote & Office Work, Collective & Individual Projects, Multi-Project Environment, Code Review For Trainee, Learning Frameworks [Libraries, Services] On Demand, Direct (Written English) Conversations Wit...
{ "group_id": "testing_quality", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "0b642cd1-2e18-5249-8bbc-69d950ed3d7b", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-024780
0.1
0.1
{ "text": "static analysis experience", "skill": "static analysis", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-024780-e1", "section": "experience", "source_type": "cv", "text": "Under supervision I worked on small parts while the team fixed static analysis warnings in CI." } ]
{ "group_id": "testing_quality", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "easy", "case_type": "below_target", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-000414
0.1
0.1
{ "text": "Strong Node.js skills", "skill": "Node.js", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-000414-e1", "section": "experience", "source_type": "cv", "text": "Tech lead who led the Node.js/TypeScript gateway rewrite reducing p99 from 900ms to 120ms, and mentored the team on Node.js practices." }, { "evidence_id": "sj-v004-syn-000414-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-00991
0.1
0.1
{ "text": "Hands-on Kotlin", "skill": "Kotlin", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-00991-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Completed an online Kotlin course with a certificate." } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "convention_v02", "source": "synthetic_v008", "split": "train", "label_status": "synthetic_convention_v0.2" }
sj-v004-real-06345
0.1
0.1
{ "text": "Strong Redis skills", "skill": "Redis", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-06345-e1", "section": "cv_excerpt", "source_type": "cv", "text": "14+ years experience in financial management and financial controlling. Team manager of 5 employees. Development and implementation of financial reporting systems (PL, BS, Cash flow, analytical reports)....
{ "group_id": "data_storage", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "479057c4-ab18-56c0-9293-28deba3056db", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-syn-009839
0.1
0.1
{ "text": "Deep Rust expertise", "skill": "Rust", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-009839-e1", "section": "summary", "source_type": "cv", "text": "I have no experience with Rust at all." } ]
{ "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-syn-004271
0.1
0.1
{ "text": "SLO/SLI (must have)", "skill": "SLO/SLI", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-004271-e1", "section": "interview", "source_type": "interview", "text": "Interview notes: candidate stated they never used SLO/SLI." } ]
{ "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-023299
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-023299-e1", "section": "experience", "source_type": "cv", "text": "As distinguished engineer I led zero-downtime migration of 200 tables to a new schema; I am the go-to database migrations authority company-wide and publish on database migrations." } ]
{ "group_id": "data_storage", "evidence_label": "supported", "proficiency_label": "5" }
{ "difficulty": "easy", "case_type": "expert", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-01632
0.1
0.1
{ "text": "code review experience", "skill": "code review", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-01632-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Refactoring of already created automated test cases and code review" } ]
{ "group_id": "testing_quality", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "0aac19d2-2d16-52bf-9781-d9412b16a006", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-025026
0.1
0.1
{ "text": "Solid Kafka knowledge", "skill": "Kafka", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-025026-e1", "section": "experience", "source_type": "cv", "text": "for 2.5 years i built kafka producers and consumers with retries as the main developer of the service." } ]
{ "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-real-04229
0.1
0.1
{ "text": "Proven C#/.NET in production", "skill": "C#/.NET", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-04229-e1", "section": "cv_excerpt", "source_type": "cv", "text": "4 years of experience developing and maintaining desktop client-server suite with C#/.NET." } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_years_hands_on", "source": "djinni_cv_en", "source_record": "b9a4cf3e-eade-52c8-ae03-a97060050234", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0....
sj-v004-syn-018304
0.1
0.1
{ "text": "Strong MongoDB skills", "skill": "MongoDB", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-018304-e1", "section": "experience", "source_type": "cv", "text": "Claimed: modeled sharded MongoDB collections for 2B documents." }, { "evidence_id": "sj-v004-syn-018304-e2", "section": "interview", "source_type": "interview", "text": "Interviewer: ...
{ "group_id": "data_storage", "evidence_label": "contradicted", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "cv_vs_interview", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-04669
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-04669-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Wrote unit tests using JUnit and Mockito frameworks." } ]
{ "group_id": "testing_quality", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "44d45b0e-c6fe-5e48-9756-f7694ebd3d38", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v006-c-01179
0.1
0.1
{ "text": "Experience with Node.js", "skill": "Node.js", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v006-c-01179-e1", "section": "experience", "source_type": "cv", "text": "Built and operated Node.js components in production for 2+ years: developed Express APIs and handled on-call issues." } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "contrast_partial_supported", "source": "synthetic_v006", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-031205
0.1
0.1
{ "text": "Good understanding of secrets management", "skill": "secrets management", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-031205-e1", "section": "experience", "source_type": "cv", "text": "As distinguished engineer I migrated all secrets to Vault with dynamic credentials; I am the go-to secrets management authority company-wide and publish on secrets management." } ]
{ "group_id": "security", "evidence_label": "supported", "proficiency_label": "5" }
{ "difficulty": "easy", "case_type": "expert", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-011407
0.1
0.1
{ "text": "Strong OWASP secure coding skills", "skill": "OWASP secure coding", "group_id": "security", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-011407-e1", "section": "experience", "source_type": "cv", "text": "Bootcamp assignment: basic OWASP secure coding exercise." } ]
{ "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-v008-cv-01436
0.1
0.1
{ "text": "Commercial TypeScript (frontend) experience", "skill": "TypeScript (frontend)", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-01436-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Took part in a logistics app project built on TypeScript (frontend)." } ]
{ "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-real-06114
0.1
0.1
{ "text": "Proven Redis in production", "skill": "Redis", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-06114-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Wrote wrapper for working with RFC and BAPI in SAP API, which was used by other teams and support teams as well. I would like to find a new job because my current project is going to the end I worked as ...
{ "group_id": "data_storage", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "d087a728-34b4-54f5-a201-541da1398e3d", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": "v0...
sj-v004-syn-016367
0.1
0.1
{ "text": "state management experience", "skill": "state management", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-016367-e1", "section": "experience", "source_type": "cv", "text": "As distinguished engineer I designed client state architecture with Redux Toolkit and React Query; I am the go-to state management authority company-wide and publish on state management." } ]
{ "group_id": "frontend", "evidence_label": "supported", "proficiency_label": "5" }
{ "difficulty": "easy", "case_type": "expert", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-014073
0.1
0.1
{ "text": "Experience with ownership", "skill": "ownership", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-014073-e1", "section": "summary", "source_type": "cv", "text": "ownership guru, top expert level." } ]
{ "group_id": "leadership", "evidence_label": "partial", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "claim_no_detail", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v008-cv-00370
0.1
0.1
{ "text": "Hands-on monitoring", "skill": "monitoring", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-00370-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Delivered several projects using these technologies: monitoring, PHP, JavaScript, MySQL." } ]
{ "group_id": "reliability_obs", "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-018550
0.1
0.1
{ "text": "distributed tracing experience", "skill": "distributed tracing", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-018550-e1", "section": "experience", "source_type": "cv", "text": "Did a distributed tracing tutorial and a hello-world app on GitHub." } ]
{ "group_id": "reliability_obs", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "easy", "case_type": "toy_project", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-016078
0.1
0.1
{ "text": "Docker experience", "skill": "Docker", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-016078-e1", "section": "experience", "source_type": "cv", "text": "Under supervision I worked on small parts while the team containerized services with Docker." }, { "evidence_id": "sj-v004-syn-016078-e2", "section": "summary", "source_type": "cv", "...
{ "group_id": "cloud_devops", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "easy", "case_type": "below_target", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-001780
0.1
0.1
{ "text": "Deep web performance expertise", "skill": "web performance", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-001780-e1", "section": "summary", "source_type": "cv", "text": "I have not used web performance professionally or in projects; my experience is in other areas." }, { "evidence_id": "sj-v004-syn-001780-e2", "section": "summary", "source_type": "cv", "...
{ "group_id": "frontend", "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-018740
0.1
0.1
{ "text": "web performance experience", "skill": "web performance", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-018740-e1", "section": "experience", "source_type": "cv", "text": "Assisted on tasks where the team optimized bundle size with code splitting; picked tickets prepared by the lead." }, { "evidence_id": "sj-v004-syn-018740-e2", "section": "summary", "sourc...
{ "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-023854
0.1
0.1
{ "text": "Production hiring skills", "skill": "hiring", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-023854-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-012684
0.1
0.1
{ "text": "Solid C#/.NET knowledge", "skill": "C#/.NET", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-012684-e1", "section": "summary", "source_type": "cv", "text": "C#/.NET: none so far." }, { "evidence_id": "sj-v004-syn-012684-e2", "section": "summary", "source_type": "cv", "text": "Also worked with Git and Jira." } ]
{ "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-syn-002753
0.1
0.1
{ "text": "Proven ownership in production", "skill": "ownership", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-002753-e1", "section": "experience", "source_type": "cv", "text": "in my last role i owned the payments domain end-to-end including roadmap and on-call." } ]
{ "group_id": "leadership", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-012251
0.1
0.1
{ "text": "Commercial experience with incident response", "skill": "incident response", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-012251-e1", "section": "experience", "source_type": "cv", "text": "Software engineer (2021-2024): took part in on-call and wrote postmortems." }, { "evidence_id": "sj-v004-syn-012251-e2", "section": "summary", "source_type": "cv", "text": "Looking fo...
{ "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-v006-c-00393
0.1
0.1
{ "text": "Production incident response skills", "skill": "incident response", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v006-c-00393-e1", "section": "experience", "source_type": "cv", "text": "Tried incident response in a weekend pet project to learn the basics." } ]
{ "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-015295
0.1
0.1
{ "text": "Proven React in production", "skill": "React", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-015295-e1", "section": "experience", "source_type": "cv", "text": "Claimed: architected React micro-frontend platform for 6 teams." }, { "evidence_id": "sj-v004-syn-015295-e2", "section": "interview", "source_type": "interview", "text": "Interviewer:...
{ "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-011120
0.1
0.1
{ "text": "Solid React knowledge", "skill": "React", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-011120-e1", "section": "experience", "source_type": "cv", "text": "bootcamp assignment: basic react exercise." }, { "evidence_id": "sj-v004-syn-011120-e2", "section": "summary", "source_type": "cv", "text": "fluent english." } ]
{ "group_id": "frontend", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "easy", "case_type": "toy_project", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-011039
0.1
0.1
{ "text": "Good understanding of TypeScript (frontend)", "skill": "TypeScript (frontend)", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-011039-e1", "section": "summary", "source_type": "cv", "text": "TypeScript (frontend) guru, top expert level." } ]
{ "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-004253
0.1
0.1
{ "text": "Solid distributed tracing knowledge", "skill": "distributed tracing", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-004253-e1", "section": "experience", "source_type": "cv", "text": "Intern then junior: with help from the lead, I contributed while the team 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-021698
0.1
0.1
{ "text": "Experience with caching strategy", "skill": "caching strategy", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-021698-e1", "section": "experience", "source_type": "cv", "text": "Lead engineer 2018-2023: designed multi-layer caching (CDN, Redis, local) cutting DB load 70%." } ]
{ "group_id": "system_design", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-013469
0.1
0.1
{ "text": "Experience with CI/CD", "skill": "CI/CD", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-013469-e1", "section": "experience", "source_type": "cv", "text": "Side project: small CI/CD demo built while following an online course." } ]
{ "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-real-06356
0.1
0.1
{ "text": "MongoDB experience", "skill": "MongoDB", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-06356-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Leading a team of 36 team-members Agile transformation on a company level 150 people Facilitation of Top Management" } ]
{ "group_id": "data_storage", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "613c5058-771b-5543-957b-21abae16b98e", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-syn-004352
0.1
0.1
{ "text": "Hands-on GCP", "skill": "GCP", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-004352-e1", "section": "experience", "source_type": "cv", "text": "Backend engineer building Java services deployed by a separate ops team to VMs." } ]
{ "group_id": "cloud_devops", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "missing_skill", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-02559
0.1
0.1
{ "text": "Proven REST API design in production", "skill": "REST API design", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-02559-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Technologies: [HTML,JS,REST API, AJAX,PARCEL]" } ]
{ "group_id": "api_design", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_keyword_list", "source": "djinni_cv_en", "source_record": "7bd84f28-a2d3-5d7d-bf01-de0121347336", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2"...
sj-v004-real-04079
0.1
0.1
{ "text": "Strong C#/.NET skills", "skill": "C#/.NET", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-04079-e1", "section": "cv_excerpt", "source_type": "cv", "text": "One of my tasks was to analyse how partners use our application and for that I have use C# for writing API's, created a dashboard via Power Bi and Tableau." } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "b9f70d00-f19d-5e2c-be75-f62abe51976f", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v005-bl4-01018
0.1
0.1
{ "text": "Solid MongoDB knowledge", "skill": "MongoDB", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v005-bl4-01018-e1", "section": "experience", "source_type": "cv", "text": "Owned architecture and delivery: modeled sharded MongoDB collections for 2B documents." } ]
{ "group_id": "data_storage", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "hard", "case_type": "boundary_l4", "source": "synthetic_v005", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-027509
0.1
0.1
{ "text": "Deep TypeScript (frontend) expertise", "skill": "TypeScript (frontend)", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-027509-e1", "section": "summary", "source_type": "cv", "text": "Advanced TypeScript (frontend) skills; strong TypeScript (frontend) background." }, { "evidence_id": "sj-v004-syn-027509-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-v004-syn-022678
0.1
0.1
{ "text": "Experience with Java", "skill": "Java", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-022678-e1", "section": "summary", "source_type": "cv", "text": "haven't worked with java; 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-syn-026268
0.1
0.1
{ "text": "Experience with Elasticsearch", "skill": "Elasticsearch", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-026268-e1", "section": "experience", "source_type": "cv", "text": "Senior engineer (2019-2024): designed Elasticsearch index strategy for 500M docs with relevance tuning." } ]
{ "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-real-06037
0.1
0.1
{ "text": "GCP experience", "skill": "GCP", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-06037-e1", "section": "cv_excerpt", "source_type": "cv", "text": ".Net engineer with nearly 4 years of experience in software development. Strong team player, but I can feel great if I work alone. My expertise allows me to provide high-quality code and profit to the pr...
{ "group_id": "cloud_devops", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "c6fdf596-6ab2-58b1-aed4-7f72752d8968", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-syn-027874
0.1
0.1
{ "text": "Hands-on TypeScript (frontend)", "skill": "TypeScript (frontend)", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-027874-e1", "section": "skills_list", "source_type": "cv", "text": "Keywords: Agile, TypeScript (frontend), Linux, REST" } ]
{ "group_id": "frontend", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-005105
0.1
0.1
{ "text": "Working knowledge of encryption", "skill": "encryption", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-005105-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-002298
0.1
0.1
{ "text": "Commercial experience with Redis", "skill": "Redis", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-002298-e1", "section": "experience", "source_type": "cv", "text": "Lead engineer 2018-2023: designed Redis cluster caching and rate limiting serving 100k ops/s." } ]
{ "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-016719
0.1
0.1
{ "text": "Deep hiring expertise", "skill": "hiring", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-016719-e1", "section": "experience", "source_type": "cv", "text": "Junior engineer (10 months): helped the team when it conducted technical interviews, under a senior's guidance." }, { "evidence_id": "sj-v004-syn-016719-e2", "section": "summary", "source...
{ "group_id": "leadership", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "easy", "case_type": "below_target", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-026398
0.1
0.1
{ "text": "Expert-level technical design docs", "skill": "technical design docs", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-026398-e1", "section": "experience", "source_type": "cv", "text": "Was part of a team that authored RFCs that set architecture direction for the org; 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-000541
0.1
0.1
{ "text": "Practical distributed tracing experience", "skill": "distributed tracing", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-000541-e1", "section": "skills_list", "source_type": "cv", "text": "Stack: distributed tracing, Jira, Confluence, Git" }, { "evidence_id": "sj-v004-syn-000541-e2", "section": "summary", "source_type": "cv", "text": "Also worked with Git and Jira." ...
{ "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-031280
0.1
0.1
{ "text": "Strong hands-on event-driven architecture background", "skill": "event-driven architecture", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-031280-e1", "section": "skills_list", "source_type": "cv", "text": "Tools: Git, event-driven architecture, Docker, Postman, Jira" }, { "evidence_id": "sj-v004-syn-031280-e2", "section": "summary", "source_type": "cv", "text": "Agile/Scrum teams of 5-...
{ "group_id": "system_design", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-02906
0.1
0.1
{ "text": "Python experience", "skill": "Python", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-02906-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Stack: Terraform, Python Lambda, Sagemaker, EventBridge, API Gateway, Step Functions, Route 53, CodeBuild, CodePipeline, CloudWatch, X-Ray." } ]
{ "group_id": "lang_core", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_keyword_list", "source": "djinni_cv_en", "source_record": "9c3dfc78-4323-5c73-bb08-18d511686aaf", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2"...
sj-v004-syn-022193
0.1
0.1
{ "text": "Good understanding of Java", "skill": "Java", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-022193-e1", "section": "education", "source_type": "cv", "text": "University course project using Java for a simple CRUD demo." } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "easy", "case_type": "toy_project", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-018227
0.1
0.1
{ "text": "mentoring (must have)", "skill": "mentoring", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-018227-e1", "section": "skills_list", "source_type": "cv", "text": "Stack: mentoring, Jira, Confluence, Git" }, { "evidence_id": "sj-v004-syn-018227-e2", "section": "summary", "source_type": "cv", "text": "Agile/Scrum teams of 5-8 people." } ]
{ "group_id": "leadership", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-022046
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-022046-e1", "section": "experience", "source_type": "cv", "text": "Resume claims they created deprecation and versioning policy adopted company-wide." }, { "evidence_id": "sj-v004-syn-022046-e2", "section": "interview", "source_type": "interview", "t...
{ "group_id": "api_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-013675
0.1
0.1
{ "text": "Deep authorization (RBAC) expertise", "skill": "authorization (RBAC)", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-013675-e1", "section": "experience", "source_type": "cv", "text": "Tech lead who designed fine-grained RBAC/ABAC service used by all products, and mentored the team on authorization (RBAC) practices." }, { "evidence_id": "sj-v004-syn-013675-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-v004-syn-017940
0.1
0.1
{ "text": "Practical GraphQL experience", "skill": "GraphQL", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-017940-e1", "section": "experience", "source_type": "cv", "text": "Owned the initiative where I designed a federated GraphQL schema with dataloader batching for 8 teams, and drove GraphQL decisions for the team." } ]
{ "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-009452
0.1
0.1
{ "text": "Proven PostgreSQL in production", "skill": "PostgreSQL", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-009452-e1", "section": "experience", "source_type": "cv", "text": "Intern then junior: with help from the lead, I contributed while the team wrote migrations and optimized slow PostgreSQL queries." }, { "evidence_id": "sj-v004-syn-009452-e2", "section": "sum...
{ "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-028001
0.1
0.1
{ "text": "gRPC (must have)", "skill": "gRPC", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-028001-e1", "section": "interview", "source_type": "interview", "text": "Screening: asked about gRPC, candidate has not worked with it." }, { "evidence_id": "sj-v004-syn-028001-e2", "section": "summary", "source_type": "cv", "text": "B.Sc. in Compute...
{ "group_id": "api_design", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "verified_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-008046
0.1
0.1
{ "text": "Strong hands-on Kotlin background", "skill": "Kotlin", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-008046-e1", "section": "skills_list", "source_type": "cv", "text": "Keywords: Agile, Kotlin, Linux, REST" } ]
{ "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-030307
0.1
0.1
{ "text": "Deep Docker expertise", "skill": "Docker", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-030307-e1", "section": "experience", "source_type": "cv", "text": "Principal engineer: built hardened multi-stage Docker images and base-image program for all teams; recognized as Docker authority and gave conference talks on it." }, { "evidence_id": "sj-v004-sy...
{ "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-v005-bl4-00937
0.1
0.1
{ "text": "Strong React skills", "skill": "React", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v005-bl4-00937-e1", "section": "experience", "source_type": "cv", "text": "Owned architecture and delivery: architected React micro-frontend platform for 6 teams." } ]
{ "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-013067
0.1
0.1
{ "text": "Working knowledge of Node.js", "skill": "Node.js", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-013067-e1", "section": "experience", "source_type": "cv", "text": "Senior engineer (2019-2024): led the Node.js/TypeScript gateway rewrite reducing p99 from 900ms to 120ms." } ]
{ "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-003189
0.1
0.1
{ "text": "state management (must have)", "skill": "state management", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-003189-e1", "section": "summary", "source_type": "cv", "text": "state management guru, top expert level." } ]
{ "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-012193
0.1
0.1
{ "text": "Strong monitoring skills", "skill": "monitoring", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-012193-e1", "section": "experience", "source_type": "cv", "text": "Senior backend developer; key achievement: 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-real-03736
0.1
0.1
{ "text": "Java experience", "skill": "Java", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-03736-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Languages: Python, Java, Kotlin, SQL, XML, Dart" } ]
{ "group_id": "lang_core", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_keyword_list", "source": "djinni_cv_en", "source_record": "1f5eb2c8-3d93-520f-b1de-6aeb1d783c86", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2"...
sj-v004-syn-029808
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-029808-e1", "section": "interview", "source_type": "interview", "text": "interview notes: candidate stated they never used aws." } ]
{ "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-025634
0.1
0.1
{ "text": "Expert-level state management", "skill": "state management", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-025634-e1", "section": "summary", "source_type": "cv", "text": "Self-rated 10/10 in state management." } ]
{ "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-013003
0.1
0.1
{ "text": "Hands-on gRPC", "skill": "gRPC", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-013003-e1", "section": "experience", "source_type": "cv", "text": "For 2.5 years I implemented gRPC services with deadlines and retries as the main developer of the service." }, { "evidence_id": "sj-v004-syn-013003-e2", "section": "summary", "source_type...
{ "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-010097
0.1
0.1
{ "text": "Good understanding of Rust", "skill": "Rust", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-010097-e1", "section": "experience", "source_type": "cv", "text": "Contributed peripheral tickets to a project where the team implemented a Rust log shipper replacing Logstash, 10x lower CPU." } ]
{ "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-027297
0.1
0.1
{ "text": "Good understanding of monitoring", "skill": "monitoring", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-027297-e1", "section": "experience", "source_type": "cv", "text": "In my last role I built the company observability stack (Prometheus, Grafana) and SLO program." }, { "evidence_id": "sj-v004-syn-027297-e2", "section": "summary", "source_type": "cv", ...
{ "group_id": "reliability_obs", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-028546
0.1
0.1
{ "text": "Good understanding of gRPC", "skill": "gRPC", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-028546-e1", "section": "skills_list", "source_type": "cv", "text": "Stack: gRPC, Jira, Confluence, Git" } ]
{ "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-00895
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-00895-e1", "section": "cv_excerpt", "source_type": "cv", "text": "I have experience working in a team, developed a project using Golang." } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "9a063a91-b42d-5116-a092-a0a0af2cf954", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-009007
0.1
0.1
{ "text": "C#/.NET (must have)", "skill": "C#/.NET", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-009007-e1", "section": "skills_list", "source_type": "cv", "text": "Technologies: Docker, C#/.NET, 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-real-03635
0.1
0.1
{ "text": "Strong Python skills", "skill": "Python", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-03635-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Tools: Python 3, pytest, Selenium WebDriver, git, DevTools Console, Postman" } ]
{ "group_id": "lang_core", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_keyword_list", "source": "djinni_cv_en", "source_record": "02cd6376-4602-5739-b098-b661902f25fa", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2"...
sj-v004-syn-024405
0.1
0.1
{ "text": "Strong hands-on web performance background", "skill": "web performance", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-024405-e1", "section": "experience", "source_type": "cv", "text": "Under supervision I worked on small parts while the team optimized bundle size with code splitting." } ]
{ "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-018847
0.1
0.1
{ "text": "Strong PostgreSQL skills", "skill": "PostgreSQL", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-018847-e1", "section": "experience", "source_type": "cv", "text": "Under supervision I worked on small parts while the team wrote migrations and optimized slow PostgreSQL queries." } ]
{ "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-005901
0.1
0.1
{ "text": "Node.js experience", "skill": "Node.js", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-005901-e1", "section": "experience", "source_type": "cv", "text": "Senior engineer (2019-2024): led the Node.js/TypeScript gateway rewrite reducing p99 from 900ms to 120ms." } ]
{ "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-027810
0.1
0.1
{ "text": "Production static analysis skills", "skill": "static analysis", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-027810-e1", "section": "projects", "source_type": "portfolio", "text": "Case study: introduced SonarQube and custom lint rules gating all merges. Includes architecture diagrams and benchmark results." } ]
{ "group_id": "testing_quality", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v008-cv-01789
0.1
0.1
{ "text": "Strong integration testing skills", "skill": "integration testing", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-01789-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Built various applications with integration testing, Java, Go and SQL." } ]
{ "group_id": "testing_quality", "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-026495
0.1
0.1
{ "text": "Solid Kafka knowledge", "skill": "Kafka", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-026495-e1", "section": "experience", "source_type": "cv", "text": "Main stack: RabbitMQ. Delivered several production projects with it." } ]
{ "group_id": "system_design", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "adjacent_tech", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v006-c-00383
0.1
0.1
{ "text": "Production hiring skills", "skill": "hiring", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v006-c-00383-e1", "section": "experience", "source_type": "cv", "text": "My team designed the backend interview loop and conducted 150+ interviews; I only wrote some tests around it." } ]
{ "group_id": "leadership", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "contrast_partial_supported", "source": "synthetic_v006", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-009621
0.1
0.1
{ "text": "Strong hands-on accessibility background", "skill": "accessibility", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-009621-e1", "section": "skills_list", "source_type": "cv", "text": "Stack: accessibility, Jira, Confluence, Git" } ]
{ "group_id": "frontend", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v005-bl5-01468
0.1
0.1
{ "text": "Strong event-driven architecture skills", "skill": "event-driven architecture", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v005-bl5-01468-e1", "section": "experience", "source_type": "cv", "text": "Organization-level owner of event-driven architecture strategy: designed saga-based event-driven checkout across 6 services, consulted by every team." } ]
{ "group_id": "system_design", "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-022332
0.1
0.1
{ "text": "Commercial experience with Terraform", "skill": "Terraform", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-022332-e1", "section": "skills_list", "source_type": "cv", "text": "Tools: Git, Terraform, Docker, Postman, Jira" }, { "evidence_id": "sj-v004-syn-022332-e2", "section": "summary", "source_type": "cv", "text": "Looking for a product company." } ]
{ "group_id": "cloud_devops", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-010857
0.1
0.1
{ "text": "Production Node.js skills", "skill": "Node.js", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-010857-e1", "section": "experience", "source_type": "cv", "text": "Experience: Senior iOS engineer (Swift) shipping consumer apps for 6 years." } ]
{ "group_id": "lang_core", "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-06895
0.1
0.1
{ "text": "Strong Kafka skills", "skill": "Kafka", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-06895-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Junior, Institute of Automation, Kryvyi Rih, Ukraine (Summer 2021 & summer 2022) Assisted in troubleshooting and resolving infrastructure and database-related issues to maintain smooth operations Partici...
{ "group_id": "system_design", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "ba171388-f7ee-5a3d-a365-a0d05401b71e", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-syn-028880
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-028880-e1", "section": "experience", "source_type": "cv", "text": "Core contributor to the Rust ecosystem; implemented a Rust log shipper replacing Logstash, 10x lower CPU." } ]
{ "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-019861
0.1
0.1
{ "text": "Strong hands-on SLO/SLI background", "skill": "SLO/SLI", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-019861-e1", "section": "experience", "source_type": "cv", "text": "CV: defined SLOs and error budgets adopted by engineering leadership." }, { "evidence_id": "sj-v004-syn-019861-e2", "section": "interview", "source_type": "interview", "text": "Interv...
{ "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-syn-013110
0.1
0.1
{ "text": "Proven accessibility in production", "skill": "accessibility", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-013110-e1", "section": "skills_list", "source_type": "cv", "text": "skills: accessibility, git, jira, agile, linux" } ]
{ "group_id": "frontend", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-01986
0.1
0.1
{ "text": "Strong AWS skills", "skill": "AWS", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-01986-e1", "section": "cv_excerpt", "source_type": "cv", "text": "App for playing and learning drums for Linux – Mqtt, webview, PDF reader, Method Channel for С++, AWS S3, music player + metronome functionality;" } ]
{ "group_id": "cloud_devops", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "07a99144-e9c3-5179-88f8-30c325a1f5f8", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v006-c-00952
0.1
0.1
{ "text": "Commercial hiring experience", "skill": "hiring", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v006-c-00952-e1", "section": "experience", "source_type": "cv", "text": "University coursework included a hiring assignment." } ]
{ "group_id": "leadership", "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-021258
0.1
0.1
{ "text": "Solid MySQL knowledge", "skill": "MySQL", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-021258-e1", "section": "experience", "source_type": "cv", "text": "Tech lead who set up MySQL semi-sync replication and online schema changes at 20k QPS, and mentored the team on MySQL practices." }, { "evidence_id": "sj-v004-syn-021258-e2", "section": "summ...
{ "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-021377
0.1
0.1
{ "text": "Hands-on MongoDB", "skill": "MongoDB", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-021377-e1", "section": "experience", "source_type": "cv", "text": "As distinguished engineer I modeled sharded MongoDB collections for 2B documents; I am the go-to MongoDB authority company-wide and publish on MongoDB." } ]
{ "group_id": "data_storage", "evidence_label": "supported", "proficiency_label": "5" }
{ "difficulty": "easy", "case_type": "expert", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-02723
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-02723-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Tools: Python, BigQuery, Google Data Studio" } ]
{ "group_id": "lang_core", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_keyword_list", "source": "djinni_cv_en", "source_record": "87c53c82-7fd7-564a-a824-06b0082afc55", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2"...
sj-v008-cv-00984
0.1
0.1
{ "text": "Commercial code review experience", "skill": "code review", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-00984-e1", "section": "cv_excerpt", "source_type": "cv", "text": "At my previous startup I created code review guidelines and reviewed ~20 PRs/week as tech lead." } ]
{ "group_id": "testing_quality", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "hard", "case_type": "convention_v02", "source": "synthetic_v008", "split": "train", "label_status": "synthetic_convention_v0.2" }