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sj-v004-syn-029430
0.1
0.1
{ "text": "Deep Python expertise", "skill": "Python", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-029430-e1", "section": "summary", "source_type": "cv", "text": "Haven't worked with Python; my background is elsewhere." }, { "evidence_id": "sj-v004-syn-029430-e2", "section": "summary", "source_type": "cv", "text": "B.Sc. in Computer Science." } ...
{ "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-023956
0.1
0.1
{ "text": "static analysis experience", "skill": "static analysis", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-023956-e1", "section": "experience", "source_type": "cv", "text": "Day to day I fixed static analysis warnings in CI on my own." } ]
{ "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-v006-c-00586
0.1
0.1
{ "text": "Strong monitoring skills", "skill": "monitoring", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v006-c-00586-e1", "section": "experience", "source_type": "cv", "text": "University coursework included a monitoring assignment." } ]
{ "group_id": "reliability_obs", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "contrast_partial_supported", "source": "synthetic_v006", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-026467
0.1
0.1
{ "text": "Experience with cross-team leadership", "skill": "cross-team leadership", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-026467-e1", "section": "experience", "source_type": "cv", "text": "Intern then junior: with help from the lead, I contributed while the team coordinated with one partner team on integration." }, { "evidence_id": "sj-v004-syn-026467-e2", "section": "summary",...
{ "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-007300
0.1
0.1
{ "text": "Expert-level event-driven architecture", "skill": "event-driven architecture", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-007300-e1", "section": "skills_list", "source_type": "cv", "text": "Skills: event-driven architecture, Git, Jira, Agile, Linux" } ]
{ "group_id": "system_design", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v005-bl3-00413
0.1
0.1
{ "text": "Strong distributed tracing skills", "skill": "distributed tracing", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v005-bl3-00413-e1", "section": "experience", "source_type": "cv", "text": "Over 3 years I instrumented services with OpenTelemetry; feature owner, no design ownership." } ]
{ "group_id": "reliability_obs", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "boundary_l3", "source": "synthetic_v005", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-003502
0.1
0.1
{ "text": "Experience with secrets management", "skill": "secrets management", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-003502-e1", "section": "experience", "source_type": "cv", "text": "CV: migrated all secrets to Vault with dynamic credentials." }, { "evidence_id": "sj-v004-syn-003502-e2", "section": "interview", "source_type": "interview", "text": "Interview: candi...
{ "group_id": "security", "evidence_label": "contradicted", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "cv_vs_interview", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-008093
0.1
0.1
{ "text": "Expert-level API versioning", "skill": "API versioning", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-008093-e1", "section": "experience", "source_type": "cv", "text": "assisted on tasks where the team shipped v2 of an internal api with backward compatibility; picked tickets prepared by the lead." } ]
{ "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-014076
0.1
0.1
{ "text": "GraphQL experience", "skill": "GraphQL", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-014076-e1", "section": "experience", "source_type": "cv", "text": "backend engineer, 3 years: 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-v008-cv-00783
0.1
0.1
{ "text": "Production Kotlin skills", "skill": "Kotlin", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-00783-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Worked on a mobile game project in Kotlin." } ]
{ "group_id": "lang_core", "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-03789
0.1
0.1
{ "text": "Go experience", "skill": "Go", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-03789-e1", "section": "cv_excerpt", "source_type": "cv", "text": "beginner), Golang (beginner), Spring Boot (beginner), Machine Learning (scikit-learn, Python;" } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "3aad43aa-8189-5b32-b213-8c94beabdc9f", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-real-05022
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-05022-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Working on some Awesome projects,, Learning to be a Data Science Practitioner through practical sessions and hand on project-based working with real dataset by: Developing excellent problem-solving skill...
{ "group_id": "lang_core", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "569a965c-727b-5476-a7bd-f8e740ed68c7", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-syn-009332
0.1
0.1
{ "text": "API versioning experience", "skill": "API versioning", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-009332-e1", "section": "experience", "source_type": "cv", "text": "Senior engineer (2019-2024): created deprecation and versioning policy adopted company-wide." } ]
{ "group_id": "api_design", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-04009
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-04009-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Strong C# (.NET) Automation SDET with 6 years of experience." } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_years_hands_on", "source": "djinni_cv_en", "source_record": "37f3830e-14ab-5b77-a1f2-353ac6fae3de", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0....
sj-v004-real-03204
0.1
0.1
{ "text": "Go experience", "skill": "Go", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-03204-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Implemented Event Store Subscriber using Golang which allows processing a large number of request per minute" } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "53f185a7-3b9c-5a4f-b5f6-27fe3ac56bd5", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": "v0.2" }
sj-v004-syn-006613
0.1
0.1
{ "text": "Strong hands-on performance tuning background", "skill": "performance tuning", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-006613-e1", "section": "summary", "source_type": "cv", "text": "Haven't worked with performance tuning; my background is elsewhere." } ]
{ "group_id": "reliability_obs", "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-012749
0.1
0.1
{ "text": "Kubernetes experience", "skill": "Kubernetes", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-012749-e1", "section": "experience", "source_type": "cv", "text": "Trainee developer; shadowed seniors who wrote Helm charts and debugged pods in production." }, { "evidence_id": "sj-v004-syn-012749-e2", "section": "summary", "source_type": "cv", "te...
{ "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-008469
0.1
0.1
{ "text": "Hands-on incident response", "skill": "incident response", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-008469-e1", "section": "education", "source_type": "cv", "text": "University course project using incident response for a simple CRUD demo." }, { "evidence_id": "sj-v004-syn-008469-e2", "section": "summary", "source_type": "cv", "text": "B.Sc. in Com...
{ "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-030591
0.1
0.1
{ "text": "Production web performance skills", "skill": "web performance", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-030591-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-v005-bl4-01143
0.1
0.1
{ "text": "Production encryption skills", "skill": "encryption", "group_id": "security", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v005-bl4-01143-e1", "section": "experience", "source_type": "cv", "text": "Key result as tech lead: designed envelope encryption with KMS for PII at rest." } ]
{ "group_id": "security", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "hard", "case_type": "boundary_l4", "source": "synthetic_v005", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-013230
0.1
0.1
{ "text": "Working knowledge of Elasticsearch", "skill": "Elasticsearch", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-013230-e1", "section": "skills_list", "source_type": "cv", "text": "Technologies: Docker, Elasticsearch, Scrum, SQL" } ]
{ "group_id": "data_storage", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-05105
0.1
0.1
{ "text": "Proven AWS in production", "skill": "AWS", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-05105-e1", "section": "cv_excerpt", "source_type": "cv", "text": "BCS -British Computer Society Foundation Certificate in Business Analysis I'm looking for opportunities to work with a company, which has well-organized BA processes and takes care of team members' profe...
{ "group_id": "cloud_devops", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "1e860f96-047a-53df-82d8-219299a6e5bd", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-syn-014311
0.1
0.1
{ "text": "Proven ownership in production", "skill": "ownership", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-014311-e1", "section": "experience", "source_type": "cv", "text": "Intern then junior: with help from the lead, I contributed while the team owned a service and its backlog." }, { "evidence_id": "sj-v004-syn-014311-e2", "section": "summary", "source_type...
{ "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-010940
0.1
0.1
{ "text": "Deep scalable system design expertise", "skill": "scalable system design", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-010940-e1", "section": "interview", "source_type": "interview", "text": "Candidate confirmed they have never worked with scalable system design." } ]
{ "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-real-04628
0.1
0.1
{ "text": "Python experience", "skill": "Python", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-04628-e1", "section": "cv_excerpt", "source_type": "cv", "text": "I became more familiar with Python program language and TA processes" } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "4c5323ed-722e-5ec9-b0b1-4c9403e185fc", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-012584
0.1
0.1
{ "text": "Deep Elasticsearch expertise", "skill": "Elasticsearch", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-012584-e1", "section": "experience", "source_type": "cv", "text": "principal engineer: designed elasticsearch index strategy for 500m docs with relevance tuning; recognized as elasticsearch authority and gave conference talks on it." }, { "evidence_id": "sj-v004...
{ "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-v006-c-01302
0.1
0.1
{ "text": "Commercial OWASP secure coding experience", "skill": "OWASP secure coding", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v006-c-01302-e1", "section": "experience", "source_type": "cv", "text": "I personally ran secure coding program and threat modeling for all new services." } ]
{ "group_id": "security", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "hard", "case_type": "contrast_partial_supported", "source": "synthetic_v006", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-026403
0.1
0.1
{ "text": "Commercial experience with encryption", "skill": "encryption", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-026403-e1", "section": "projects", "source_type": "portfolio", "text": "Personal project: followed a tutorial to try encryption on a toy app." }, { "evidence_id": "sj-v004-syn-026403-e2", "section": "summary", "source_type": "cv", "text": "Also worke...
{ "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-02299
0.1
0.1
{ "text": "Strong MySQL skills", "skill": "MySQL", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-02299-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Skills: PHP, jQuery, JavaScript, MySQL." } ]
{ "group_id": "data_storage", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_keyword_list", "source": "djinni_cv_en", "source_record": "c172448b-a388-5b45-ae47-cb0670c001e7", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": "v0....
sj-v004-syn-007684
0.1
0.1
{ "text": "Expert-level TypeScript (frontend)", "skill": "TypeScript (frontend)", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-007684-e1", "section": "experience", "source_type": "cv", "text": "Claimed: led migration of 300k-line JS frontend to strict TypeScript." }, { "evidence_id": "sj-v004-syn-007684-e2", "section": "interview", "source_type": "interview", "text": "Interv...
{ "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-000723
0.1
0.1
{ "text": "Hands-on incident response", "skill": "incident response", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-000723-e1", "section": "skills_list", "source_type": "cv", "text": "Technologies: Docker, incident response, Scrum, SQL" }, { "evidence_id": "sj-v004-syn-000723-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-029393
0.1
0.1
{ "text": "Hands-on incident response", "skill": "incident response", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-029393-e1", "section": "experience", "source_type": "cv", "text": "Owned the initiative where I led incident command for SEV1 outages and created the postmortem process, and drove incident response decisions for the team." } ]
{ "group_id": "reliability_obs", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-018739
0.1
0.1
{ "text": "Strong SLO/SLI skills", "skill": "SLO/SLI", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-018739-e1", "section": "experience", "source_type": "cv", "text": "Backend engineer, 3 years: defined SLIs for team services." } ]
{ "group_id": "reliability_obs", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "easy", "case_type": "direct_moderate", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-00174
0.1
0.1
{ "text": "AWS experience", "skill": "AWS", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-00174-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Also worked on dataset creation and annotation via AWS MTurk." } ]
{ "group_id": "cloud_devops", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "d00cc188-f39f-54ee-a191-1c482ac27f9e", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-031171
0.1
0.1
{ "text": "Commercial experience with technical design docs", "skill": "technical design docs", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-031171-e1", "section": "experience", "source_type": "cv", "text": "Experience: Team member on the payments squad (2021-2024)." } ]
{ "group_id": "leadership", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "missing_skill", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-003921
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-003921-e1", "section": "experience", "source_type": "cv", "text": "Backend engineer, 3 years: maintained GitHub Actions pipelines." } ]
{ "group_id": "cloud_devops", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "easy", "case_type": "direct_moderate", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v006-c-00748
0.1
0.1
{ "text": "Commercial PostgreSQL experience", "skill": "PostgreSQL", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v006-c-00748-e1", "section": "experience", "source_type": "cv", "text": "Built a small PostgreSQL demo app following an online tutorial." } ]
{ "group_id": "data_storage", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "contrast_partial_supported", "source": "synthetic_v006", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-004261
0.1
0.1
{ "text": "Strong hands-on TypeScript (frontend) background", "skill": "TypeScript (frontend)", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-004261-e1", "section": "interview", "source_type": "interview", "text": "Interview notes: candidate stated they never used TypeScript (frontend)." } ]
{ "group_id": "frontend", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "verified_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v005-bl4-01051
0.1
0.1
{ "text": "Hands-on microservices", "skill": "microservices", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v005-bl4-01051-e1", "section": "experience", "source_type": "cv", "text": "Key result as tech lead: architected the monolith-to-microservices split into 25 services with clear boundaries." } ]
{ "group_id": "system_design", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "hard", "case_type": "boundary_l4", "source": "synthetic_v005", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-029677
0.1
0.1
{ "text": "Strong cross-team leadership skills", "skill": "cross-team leadership", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-029677-e1", "section": "interview", "source_type": "interview", "text": "Interviewer: zero cross-team leadership exposure confirmed by candidate." }, { "evidence_id": "sj-v004-syn-029677-e2", "section": "summary", "source_type": "cv", "text": "Also w...
{ "group_id": "leadership", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "verified_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v006-c-01060
0.1
0.1
{ "text": "Strong Node.js skills", "skill": "Node.js", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v006-c-01060-e1", "section": "experience", "source_type": "cv", "text": "I personally led the Node.js/TypeScript gateway rewrite reducing p99 from 900ms to 120ms." } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "hard", "case_type": "contrast_partial_supported", "source": "synthetic_v006", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-022937
0.1
0.1
{ "text": "Hands-on Go", "skill": "Go", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-022937-e1", "section": "summary", "source_type": "cv", "text": "Self-motivated developer who enjoys challenges." } ]
{ "group_id": "lang_core", "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-027415
0.1
0.1
{ "text": "Solid Redis knowledge", "skill": "Redis", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-027415-e1", "section": "skills_list", "source_type": "cv", "text": "Technologies: Docker, Redis, Scrum, SQL" } ]
{ "group_id": "data_storage", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v008-cv-00425
0.1
0.1
{ "text": "Production distributed tracing skills", "skill": "distributed tracing", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-00425-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Ran a distributed tracing study group for university students for a semester." } ]
{ "group_id": "reliability_obs", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "convention_v02", "source": "synthetic_v008", "split": "train", "label_status": "synthetic_convention_v0.2" }
sj-v004-syn-008224
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-008224-e1", "section": "summary", "source_type": "cv", "text": "no hands-on graphql experience yet; planning to learn it." } ]
{ "group_id": "api_design", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "explicit_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v006-c-01687
0.1
0.1
{ "text": "Production SLO/SLI skills", "skill": "SLO/SLI", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v006-c-01687-e1", "section": "experience", "source_type": "cv", "text": "Six months of junior experience where I helped as the team defined SLIs for team services." } ]
{ "group_id": "reliability_obs", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "contrast_partial_supported", "source": "synthetic_v006", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-003721
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-003721-e1", "section": "experience", "source_type": "cv", "text": "Intern then junior: with help from the lead, I contributed while the team maintained ASP.NET Core APIs." } ]
{ "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-030856
0.1
0.1
{ "text": "Solid Kubernetes knowledge", "skill": "Kubernetes", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-030856-e1", "section": "experience", "source_type": "cv", "text": "Assisted on tasks where the team wrote Helm charts and debugged pods in production; picked tickets prepared by the lead." } ]
{ "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-025768
0.1
0.1
{ "text": "Working knowledge of Python", "skill": "Python", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-025768-e1", "section": "experience", "source_type": "cv", "text": "Lead engineer 2018-2023: architected an async Python (FastAPI) platform serving 30 internal teams." }, { "evidence_id": "sj-v004-syn-025768-e2", "section": "summary", "source_type": "cv",...
{ "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-009787
0.1
0.1
{ "text": "Production Node.js skills", "skill": "Node.js", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-009787-e1", "section": "experience", "source_type": "cv", "text": "Senior backend developer; key achievement: led the Node.js/TypeScript gateway rewrite reducing p99 from 900ms to 120ms." }, { "evidence_id": "sj-v004-syn-009787-e2", "section": "summary", ...
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-00985
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-00985-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Another programming adeptness: Python language, basic networking." } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "b5cdc56c-7d2a-5b31-bd17-49024f53708b", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v008-cv-00847
0.1
0.1
{ "text": "Proven GraphQL in production", "skill": "GraphQL", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-00847-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Familiar with the basics, and have hands-on experience working with Git, GraphQL, Nginx and Linux." } ]
{ "group_id": "api_design", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "convention_v02", "source": "synthetic_v008", "split": "train", "label_status": "synthetic_convention_v0.2" }
sj-v004-syn-003507
0.1
0.1
{ "text": "Good understanding of microservices", "skill": "microservices", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-003507-e1", "section": "summary", "source_type": "cv", "text": "I have not used microservices professionally or in projects; my experience is in other areas." } ]
{ "group_id": "system_design", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "explicit_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-022187
0.1
0.1
{ "text": "Deep accessibility expertise", "skill": "accessibility", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-022187-e1", "section": "experience", "source_type": "cv", "text": "Independently fixed accessibility issues reported by QA; on-call owner for it." }, { "evidence_id": "sj-v004-syn-022187-e2", "section": "summary", "source_type": "cv", "text": "B.Sc. ...
{ "group_id": "frontend", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "easy", "case_type": "direct_moderate", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-008831
0.1
0.1
{ "text": "Solid cross-team leadership knowledge", "skill": "cross-team leadership", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-008831-e1", "section": "experience", "source_type": "cv", "text": "Senior engineer (2019-2024): led a 4-team initiative aligning API contracts and roadmaps." }, { "evidence_id": "sj-v004-syn-008831-e2", "section": "summary", "source_type": "cv", "tex...
{ "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-018903
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-018903-e1", "section": "experience", "source_type": "cv", "text": "Independently maintained GitHub Actions pipelines; on-call owner for it." } ]
{ "group_id": "cloud_devops", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "easy", "case_type": "direct_moderate", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-027405
0.1
0.1
{ "text": "Expert-level cross-team leadership", "skill": "cross-team leadership", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-027405-e1", "section": "experience", "source_type": "cv", "text": "Our squad led a 4-team initiative aligning API contracts and roadmaps; I mainly fixed bugs and wrote docs." }, { "evidence_id": "sj-v004-syn-027405-e2", "section": "summary", "source_type...
{ "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-v006-c-00671
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-v006-c-00671-e1", "section": "experience", "source_type": "cv", "text": "Freelance: delivered several client projects where I built REST endpoints with validation and pagination." } ]
{ "group_id": "api_design", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "contrast_partial_supported", "source": "synthetic_v006", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-020949
0.1
0.1
{ "text": "Deep Node.js expertise", "skill": "Node.js", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-020949-e1", "section": "experience", "source_type": "cv", "text": "Owned the initiative where I led the Node.js/TypeScript gateway rewrite reducing p99 from 900ms to 120ms, and drove Node.js decisions for the team." } ]
{ "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-015946
0.1
0.1
{ "text": "Deep unit testing expertise", "skill": "unit testing", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-015946-e1", "section": "experience", "source_type": "cv", "text": "Resume claims they set testing standards and raised coverage from 30% to 85% across the org." }, { "evidence_id": "sj-v004-syn-015946-e2", "section": "interview", "source_type": "intervie...
{ "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-003418
0.1
0.1
{ "text": "Expert-level encryption", "skill": "encryption", "group_id": "security", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-003418-e1", "section": "skills_list", "source_type": "cv", "text": "Skills: encryption, Git, Jira, Agile, Linux" } ]
{ "group_id": "security", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-008225
0.1
0.1
{ "text": "event-driven architecture (must have)", "skill": "event-driven architecture", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-008225-e1", "section": "summary", "source_type": "cv", "text": "No hands-on event-driven architecture experience yet; planning to learn it." }, { "evidence_id": "sj-v004-syn-008225-e2", "section": "summary", "source_type": "cv", "text": "Also worked ...
{ "group_id": "system_design", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "explicit_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-002870
0.1
0.1
{ "text": "Deep SLO/SLI expertise", "skill": "SLO/SLI", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-002870-e1", "section": "experience", "source_type": "cv", "text": "owned the initiative where i defined slos and error budgets adopted by engineering leadership, and drove slo/sli decisions for the team." }, { "evidence_id": "sj-v004-syn-002870-e2", "section...
{ "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-02726
0.1
0.1
{ "text": "Strong Python skills", "skill": "Python", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-02726-e1", "section": "cv_excerpt", "source_type": "cv", "text": "I study advanced mathematics including the theory of probability and mathematical statistics and basic programming using C++, Python, SQL." } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "13857e45-9af1-5ba5-8546-cbf1d911afdf", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v006-c-00472
0.1
0.1
{ "text": "Hands-on React", "skill": "React", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v006-c-00472-e1", "section": "experience", "source_type": "cv", "text": "Built a small React demo app following an online tutorial." } ]
{ "group_id": "frontend", "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-028299
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-v004-syn-028299-e1", "section": "experience", "source_type": "cv", "text": "Under supervision I worked on small parts while the team built REST endpoints with validation and pagination." }, { "evidence_id": "sj-v004-syn-028299-e2", "section": "summary", "source_t...
{ "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-031352
0.1
0.1
{ "text": "Solid distributed tracing knowledge", "skill": "distributed tracing", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-031352-e1", "section": "summary", "source_type": "cv", "text": "fast learner, team player, results-driven." } ]
{ "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-017272
0.1
0.1
{ "text": "Strong hands-on state management background", "skill": "state management", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-017272-e1", "section": "interview", "source_type": "interview", "text": "interviewer: zero state management exposure confirmed by candidate." } ]
{ "group_id": "frontend", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "verified_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-00586
0.1
0.1
{ "text": "Strong Docker skills", "skill": "Docker", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-00586-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Also, I`m into self-studying and for now I`m learning Docker, CI/CD (Jenkins) and working with such cloud as Digital Ocean and AWS." } ]
{ "group_id": "cloud_devops", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "a78bb351-e0b3-5727-a0bc-14e01cbd5933", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-014628
0.1
0.1
{ "text": "Strong hands-on Java background", "skill": "Java", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-014628-e1", "section": "projects", "source_type": "portfolio", "text": "Personal project: followed a tutorial to try Java on a toy app." } ]
{ "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-020748
0.1
0.1
{ "text": "Good understanding of Docker", "skill": "Docker", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-020748-e1", "section": "summary", "source_type": "cv", "text": "I have not used Docker professionally or in projects; my experience is in other areas." } ]
{ "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-015078
0.1
0.1
{ "text": "Strong hands-on CI/CD background", "skill": "CI/CD", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-015078-e1", "section": "projects", "source_type": "portfolio", "text": "Case study: designed CI/CD with canary and automated rollback for 60 repos. Includes architecture diagrams and benchmark results." }, { "evidence_id": "sj-v004-syn-015078-e2", "section":...
{ "group_id": "cloud_devops", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-008761
0.1
0.1
{ "text": "Strong MySQL skills", "skill": "MySQL", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-008761-e1", "section": "experience", "source_type": "cv", "text": "Backend engineer, 3 years: designed MySQL schemas for new features." }, { "evidence_id": "sj-v004-syn-008761-e2", "section": "summary", "source_type": "cv", "text": "Fluent English." ...
{ "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-009169
0.1
0.1
{ "text": "Good understanding of event-driven architecture", "skill": "event-driven architecture", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-009169-e1", "section": "experience", "source_type": "cv", "text": "Core contributor to the event-driven architecture ecosystem; designed saga-based event-driven checkout across 6 services." }, { "evidence_id": "sj-v004-syn-009169-e2", "section": "summary", ...
{ "group_id": "system_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-023707
0.1
0.1
{ "text": "Proven integration testing in production", "skill": "integration testing", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-023707-e1", "section": "skills_list", "source_type": "cv", "text": "Keywords: Agile, integration testing, Linux, REST" } ]
{ "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-v008-cv-00327
0.1
0.1
{ "text": "Proven static analysis in production", "skill": "static analysis", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-00327-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Would like to grow into static analysis development in the future." } ]
{ "group_id": "testing_quality", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "convention_v02", "source": "synthetic_v008", "split": "train", "label_status": "synthetic_convention_v0.2" }
sj-v004-real-03547
0.1
0.1
{ "text": "Strong React skills", "skill": "React", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-03547-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Tools: : Git, Figma, Postman, Jira, React/Vue/Redux DevTools, VSCode" } ]
{ "group_id": "frontend", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_keyword_list", "source": "djinni_cv_en", "source_record": "0be2cc77-2623-504a-ae6c-32ca9ba8936d", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2"...
sj-v004-syn-002030
0.1
0.1
{ "text": "Proven Redis in production", "skill": "Redis", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-002030-e1", "section": "experience", "source_type": "cv", "text": "Backend engineer, 3 years: added Redis caching with TTL invalidation." }, { "evidence_id": "sj-v004-syn-002030-e2", "section": "summary", "source_type": "cv", "text": "B.Sc. in Comput...
{ "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-000103
0.1
0.1
{ "text": "Good understanding of Elasticsearch", "skill": "Elasticsearch", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-000103-e1", "section": "experience", "source_type": "cv", "text": "Junior engineer (10 months): helped the team when it built search features on Elasticsearch, under a senior's guidance." } ]
{ "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-005994
0.1
0.1
{ "text": "mentoring (must have)", "skill": "mentoring", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-005994-e1", "section": "experience", "source_type": "cv", "text": "In my last role I mentored 6 engineers, 3 promoted, and ran the onboarding program." } ]
{ "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-008056
0.1
0.1
{ "text": "Commercial experience with distributed consistency", "skill": "distributed consistency", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-008056-e1", "section": "skills_list", "source_type": "cv", "text": "Stack: distributed consistency, Jira, Confluence, Git" }, { "evidence_id": "sj-v004-syn-008056-e2", "section": "summary", "source_type": "cv", "text": "Fluent English." } ]
{ "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-019858
0.1
0.1
{ "text": "Commercial experience with OpenAPI", "skill": "OpenAPI", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-019858-e1", "section": "experience", "source_type": "cv", "text": "Independently wrote OpenAPI specs for team services; on-call owner for it." }, { "evidence_id": "sj-v004-syn-019858-e2", "section": "summary", "source_type": "cv", "text": "Based in E...
{ "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-027190
0.1
0.1
{ "text": "distributed tracing experience", "skill": "distributed tracing", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-027190-e1", "section": "experience", "source_type": "cv", "text": "Bootcamp assignment: basic distributed tracing exercise." } ]
{ "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-011023
0.1
0.1
{ "text": "Hands-on TypeScript (frontend)", "skill": "TypeScript (frontend)", "group_id": "frontend", "target_level": 4, "importance": "must" }
[]
{ "group_id": "frontend", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "easy", "case_type": "no_evidence", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v008-cv-01764
0.1
0.1
{ "text": "Experience with OWASP secure coding", "skill": "OWASP secure coding", "group_id": "security", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-01764-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Delivered several projects using these technologies: OWASP secure coding, PHP, JavaScript, MySQL." } ]
{ "group_id": "security", "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-006206
0.1
0.1
{ "text": "Proven distributed tracing in production", "skill": "distributed tracing", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-006206-e1", "section": "summary", "source_type": "cv", "text": "No hands-on distributed tracing experience yet; planning to learn it." }, { "evidence_id": "sj-v004-syn-006206-e2", "section": "summary", "source_type": "cv", "text": "B.Sc. in Computer ...
{ "group_id": "reliability_obs", "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-010895
0.1
0.1
{ "text": "Expert-level database migrations", "skill": "database migrations", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-010895-e1", "section": "interview", "source_type": "interview", "text": "Candidate confirmed they have never worked with database migrations." } ]
{ "group_id": "data_storage", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "verified_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-026915
0.1
0.1
{ "text": "distributed tracing experience", "skill": "distributed tracing", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-026915-e1", "section": "experience", "source_type": "cv", "text": "Assisted on tasks where the team instrumented services with OpenTelemetry; picked tickets prepared by the lead." } ]
{ "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-023162
0.1
0.1
{ "text": "Commercial experience with Python", "skill": "Python", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-023162-e1", "section": "experience", "source_type": "cv", "text": "Assisted on tasks where the team shipped Django features and maintained them in production; picked tickets prepared by the lead." } ]
{ "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-008015
0.1
0.1
{ "text": "Solid performance tuning knowledge", "skill": "performance tuning", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-008015-e1", "section": "experience", "source_type": "cv", "text": "In my last role I profiled and tuned JVM services increasing throughput 3x on the same hardware." } ]
{ "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-06260
0.1
0.1
{ "text": "C#/.NET experience", "skill": "C#/.NET", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-06260-e1", "section": "cv_excerpt", "source_type": "cv", "text": "I am a digital marketer with years of experience working on different websites and helping brands and individuals promote there websites and social media pages. I have worked on so many brands and projec...
{ "group_id": "lang_core", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "60fed9e1-0b96-5a70-863b-8615bdd17ebb", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-syn-004957
0.1
0.1
{ "text": "Hands-on REST API design", "skill": "REST API design", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-004957-e1", "section": "experience", "source_type": "cv", "text": "Software engineer (2021-2024): built REST endpoints with validation and pagination." }, { "evidence_id": "sj-v004-syn-004957-e2", "section": "summary", "source_type": "cv", "text": "A...
{ "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-01507
0.1
0.1
{ "text": "Strong Python skills", "skill": "Python", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-01507-e1", "section": "cv_excerpt", "source_type": "cv", "text": "MySQL, Linux, Python, R programming, SQLite, Hadoop, MapReduce, VBA, MacOS, Machine Learning, Econometrics, Statistics, Data mining, SQLite, Data Science" } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "9004eb7e-bbc6-5219-9412-b187c94a7d3f", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-real-05056
0.1
0.1
{ "text": "Strong MongoDB skills", "skill": "MongoDB", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-05056-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Finished AQA internship in Pecode software 4 years of sales management experience with disposable medical clothing and groceries. It made me ready for any difficulties and in the same way, prompted me to...
{ "group_id": "data_storage", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "2832aa27-53f7-50af-a30b-3f5880162325", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": "v0...
sj-v004-real-04533
0.1
0.1
{ "text": "React experience", "skill": "React", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-04533-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Technologies: react, redux, redux-thunk, typerscript" } ]
{ "group_id": "frontend", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_keyword_list", "source": "djinni_cv_en", "source_record": "4014ff67-6964-58ea-b0df-8b093572f402", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": "v0....
sj-v006-c-00733
0.1
0.1
{ "text": "Experience with distributed tracing", "skill": "distributed tracing", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v006-c-00733-e1", "section": "experience", "source_type": "cv", "text": "Built a small distributed tracing demo app following an online tutorial." } ]
{ "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-real-05819
0.1
0.1
{ "text": "Proven PostgreSQL in production", "skill": "PostgreSQL", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-05819-e1", "section": "cv_excerpt", "source_type": "cv", "text": "UIC Group, December 2022 – Present Managed a team of 10+ developers. Organized various team buildings to improve relationships among team members." } ]
{ "group_id": "data_storage", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "ff397806-60de-54a7-92a5-47f3148dbc26", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v008-cv-00295
0.1
0.1
{ "text": "Strong MySQL skills", "skill": "MySQL", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-00295-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Took part in a logistics app project built on MySQL." } ]
{ "group_id": "data_storage", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "convention_v02", "source": "synthetic_v008", "split": "train", "label_status": "synthetic_convention_v0.2" }
sj-v004-syn-017117
0.1
0.1
{ "text": "Strong authorization (RBAC) skills", "skill": "authorization (RBAC)", "group_id": "security", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-017117-e1", "section": "experience", "source_type": "cv", "text": "The platform team designed fine-grained RBAC/ABAC service used by all products. I joined late and handled minor tasks." } ]
{ "group_id": "security", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "team_credit", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-06011
0.1
0.1
{ "text": "Proven GCP in production", "skill": "GCP", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-06011-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Developed business processes to designate the behavior of the document management system Communicated with clients during our partnership Researched customer needs and making our system perfectly suitabl...
{ "group_id": "cloud_devops", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "a1b0bca6-f047-5add-b1a1-58c9337c45e6", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...