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sj-v004-syn-006077
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-006077-e1", "section": "experience", "source_type": "cv", "text": "Owned the initiative where I rolled out OpenTelemetry tracing across 30 services and used it to cut latency 40%, and drove distributed tracing decisions for the team." }, { "evidence_id": "sj-v00...
{ "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-024751
0.1
0.1
{ "text": "Production Terraform skills", "skill": "Terraform", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-024751-e1", "section": "experience", "source_type": "cv", "text": "Intern then junior: with help from the lead, I contributed while the team wrote Terraform for team infrastructure." } ]
{ "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-real-03827
0.1
0.1
{ "text": "Strong code review skills", "skill": "code review", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-03827-e1", "section": "cv_excerpt", "source_type": "cv", "text": "o Maintained source code, created pull requests using Git and performed code reviews" } ]
{ "group_id": "testing_quality", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "d2d66030-0e5e-5e1d-b8a8-55a93faf7b25", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-023158
0.1
0.1
{ "text": "Working knowledge of performance tuning", "skill": "performance tuning", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-023158-e1", "section": "interview", "source_type": "interview", "text": "interview notes: candidate stated they never used performance tuning." }, { "evidence_id": "sj-v004-syn-023158-e2", "section": "summary", "source_type": "cv", "text": "based in ...
{ "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-v008-cv-01904
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-v008-cv-01904-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Took part in a logistics app project built on C#/.NET." } ]
{ "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-syn-000117
0.1
0.1
{ "text": "scalable system design experience", "skill": "scalable system design", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-000117-e1", "section": "experience", "source_type": "cv", "text": "Day to day I designed a single service including data model and failure modes on my own." }, { "evidence_id": "sj-v004-syn-000117-e2", "section": "summary", "source_type": "cv", "text...
{ "group_id": "system_design", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "easy", "case_type": "direct_moderate", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-023926
0.1
0.1
{ "text": "Deep performance tuning expertise", "skill": "performance tuning", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-023926-e1", "section": "experience", "source_type": "cv", "text": "Tech lead who profiled and tuned JVM services increasing throughput 3x on the same hardware, and mentored the team on performance tuning practices." }, { "evidence_id": "sj-v004-syn-023926-e2", ...
{ "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-030748
0.1
0.1
{ "text": "Strong static analysis skills", "skill": "static analysis", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-030748-e1", "section": "interview", "source_type": "interview", "text": "Interviewer: zero static analysis exposure confirmed by candidate." }, { "evidence_id": "sj-v004-syn-030748-e2", "section": "summary", "source_type": "cv", "text": "Agile/Scrum ...
{ "group_id": "testing_quality", "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-00100
0.1
0.1
{ "text": "Production TDD skills", "skill": "TDD", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v006-c-00100-e1", "section": "experience", "source_type": "cv", "text": "Built a small TDD demo app following an online tutorial." } ]
{ "group_id": "testing_quality", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "contrast_partial_supported", "source": "synthetic_v006", "split": "train", "label_status": "synthetic_needs_review" }
sj-v008-cv-01084
0.1
0.1
{ "text": "Strong web performance skills", "skill": "web performance", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-01084-e1", "section": "cv_excerpt", "source_type": "cv", "text": "At my previous startup I improved Core Web Vitals (LCP 4.1s to 1.6s) across the storefront." } ]
{ "group_id": "frontend", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "hard", "case_type": "convention_v02", "source": "synthetic_v008", "split": "train", "label_status": "synthetic_convention_v0.2" }
sj-v004-syn-018358
0.1
0.1
{ "text": "Good understanding of Kotlin", "skill": "Kotlin", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-018358-e1", "section": "summary", "source_type": "cv", "text": "No hands-on Kotlin experience yet; planning to learn it." } ]
{ "group_id": "lang_core", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "explicit_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v006-c-00599
0.1
0.1
{ "text": "Strong gRPC skills", "skill": "gRPC", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v006-c-00599-e1", "section": "experience", "source_type": "cv", "text": "Freelance: delivered several client projects where I implemented gRPC services with deadlines and retries." } ]
{ "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-018679
0.1
0.1
{ "text": "Proven GraphQL in production", "skill": "GraphQL", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-018679-e1", "section": "experience", "source_type": "cv", "text": "For 2.5 years I built GraphQL resolvers for the mobile app as the main developer of the service." }, { "evidence_id": "sj-v004-syn-018679-e2", "section": "summary", "source_type": "cv", ...
{ "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-016446
0.1
0.1
{ "text": "Commercial experience with AWS", "skill": "AWS", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-016446-e1", "section": "experience", "source_type": "cv", "text": "Built and ran services using GCP; considering AWS next." }, { "evidence_id": "sj-v004-syn-016446-e2", "section": "summary", "source_type": "cv", "text": "Also worked with Git and Jira...
{ "group_id": "cloud_devops", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "adjacent_tech", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-020380
0.1
0.1
{ "text": "Working knowledge of distributed tracing", "skill": "distributed tracing", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-020380-e1", "section": "experience", "source_type": "cv", "text": "Experience: Product designer running user research." } ]
{ "group_id": "reliability_obs", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "missing_skill", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-003538
0.1
0.1
{ "text": "Hands-on authorization (RBAC)", "skill": "authorization (RBAC)", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-003538-e1", "section": "experience", "source_type": "cv", "text": "Staff+ engineer who designed fine-grained RBAC/ABAC service used by all products, setting authorization (RBAC) standards across the organization." }, { "evidence_id": "sj-v004-syn-003538-e2", ...
{ "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-v006-c-00939
0.1
0.1
{ "text": "Hands-on Docker", "skill": "Docker", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v006-c-00939-e1", "section": "experience", "source_type": "cv", "text": "Six months of junior experience where I helped as the team containerized services with Docker." } ]
{ "group_id": "cloud_devops", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "contrast_partial_supported", "source": "synthetic_v006", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-016114
0.1
0.1
{ "text": "Working knowledge of GCP", "skill": "GCP", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-016114-e1", "section": "interview", "source_type": "interview", "text": "Interviewer: zero GCP exposure confirmed by candidate." }, { "evidence_id": "sj-v004-syn-016114-e2", "section": "summary", "source_type": "cv", "text": "B.Sc. in Computer Scienc...
{ "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-v006-c-01950
0.1
0.1
{ "text": "Commercial OWASP secure coding experience", "skill": "OWASP secure coding", "group_id": "security", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v006-c-01950-e1", "section": "experience", "source_type": "cv", "text": "My team ran secure coding program and threat modeling for all new services; I only wrote some tests around it." } ]
{ "group_id": "security", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "contrast_partial_supported", "source": "synthetic_v006", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-004870
0.1
0.1
{ "text": "Experience with CI/CD", "skill": "CI/CD", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-004870-e1", "section": "experience", "source_type": "cv", "text": "Senior backend developer; key achievement: designed CI/CD with canary and automated rollback for 60 repos." }, { "evidence_id": "sj-v004-syn-004870-e2", "section": "summary", "source_type...
{ "group_id": "cloud_devops", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-06646
0.1
0.1
{ "text": "Terraform experience", "skill": "Terraform", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-06646-e1", "section": "cv_excerpt", "source_type": "cv", "text": "I have been working as a frontend developer for over 4+ years, and it has been an incredible journey of growth and learning. Throughout this time, I have acquired a wealth of knowledge and honed my skill...
{ "group_id": "cloud_devops", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "1e6e97c5-70e2-5942-989c-0544e26be14a", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v005-bl4-01172
0.1
0.1
{ "text": "Solid TypeScript (frontend) knowledge", "skill": "TypeScript (frontend)", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v005-bl4-01172-e1", "section": "experience", "source_type": "cv", "text": "Owned architecture and delivery: led migration of 300k-line JS frontend to strict TypeScript." } ]
{ "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-real-05193
0.1
0.1
{ "text": "Proven Go in production", "skill": "Go", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-05193-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Rated top 50 content writers and editors in Nigeria Writer of the Year (2014) Award, University of Ilorin International Honourable Mention (2015)" } ]
{ "group_id": "lang_core", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "cd6743af-943b-5866-8da1-6ee37aa08391", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-syn-001733
0.1
0.1
{ "text": "Deep microservices expertise", "skill": "microservices", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-001733-e1", "section": "experience", "source_type": "cv", "text": "Day to day I built and operated two microservices on my own." }, { "evidence_id": "sj-v004-syn-001733-e2", "section": "summary", "source_type": "cv", "text": "Fluent English." } ]
{ "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-00544
0.1
0.1
{ "text": "Proven React in production", "skill": "React", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-00544-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Well familiar with React, JavaScript, HTML, CSS/SCSS, Vue passionate about creating user-friendly and responsive websites that meet business needs." } ]
{ "group_id": "frontend", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "97925eae-394e-57ea-8af0-c5760fadb95a", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": "v0.2" }
sj-v004-real-06384
0.1
0.1
{ "text": "Strong Terraform skills", "skill": "Terraform", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-06384-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Rapid adaptation and learning; Preformed as a STL (sub-team lead), in case if teamleader was on vacation, I managed team, was responsible for team KPIs and general working flow; Right now I'm performing ...
{ "group_id": "cloud_devops", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "33dcd7be-6f65-5b2b-baf7-c1a77427d239", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-syn-021920
0.1
0.1
{ "text": "Hands-on event-driven architecture", "skill": "event-driven architecture", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-021920-e1", "section": "summary", "source_type": "cv", "text": "no hands-on event-driven architecture experience yet; planning to learn it." }, { "evidence_id": "sj-v004-syn-021920-e2", "section": "summary", "source_type": "cv", "text": "based in eur...
{ "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-029151
0.1
0.1
{ "text": "Production hiring skills", "skill": "hiring", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-029151-e1", "section": "experience", "source_type": "cv", "text": "Backend engineer, 3 years: conducted technical interviews." } ]
{ "group_id": "leadership", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "easy", "case_type": "direct_moderate", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-011495
0.1
0.1
{ "text": "Python experience", "skill": "Python", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-011495-e1", "section": "skills_list", "source_type": "cv", "text": "Stack: Python, Jira, Confluence, Git" } ]
{ "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-002198
0.1
0.1
{ "text": "Working knowledge of OAuth2/OIDC", "skill": "OAuth2/OIDC", "group_id": "security", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-002198-e1", "section": "experience", "source_type": "cv", "text": "Core contributor to the OAuth2/OIDC ecosystem; designed SSO with OIDC and token exchange across 10 products." } ]
{ "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-027951
0.1
0.1
{ "text": "Kotlin experience", "skill": "Kotlin", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-027951-e1", "section": "experience", "source_type": "cv", "text": "Claimed: designed Kotlin coroutine-based backend for 5M MAU app." }, { "evidence_id": "sj-v004-syn-027951-e2", "section": "interview", "source_type": "interview", "text": "Interviewer...
{ "group_id": "lang_core", "evidence_label": "contradicted", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "cv_vs_interview", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-014400
0.1
0.1
{ "text": "OAuth2/OIDC (must have)", "skill": "OAuth2/OIDC", "group_id": "security", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-014400-e1", "section": "experience", "source_type": "cv", "text": "Built REST services with Spring Boot for 4 years." } ]
{ "group_id": "security", "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-013201
0.1
0.1
{ "text": "Strong hands-on API versioning background", "skill": "API versioning", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-013201-e1", "section": "experience", "source_type": "cv", "text": "Intern then junior: with help from the lead, I contributed while the team shipped v2 of an internal API with backward compatibility." }, { "evidence_id": "sj-v004-syn-013201-e2", "section": "...
{ "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-021166
0.1
0.1
{ "text": "Deep OWASP secure coding expertise", "skill": "OWASP secure coding", "group_id": "security", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-021166-e1", "section": "summary", "source_type": "cv", "text": "Advanced OWASP secure coding skills; strong OWASP secure coding background." } ]
{ "group_id": "security", "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-015762
0.1
0.1
{ "text": "Solid Go knowledge", "skill": "Go", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-015762-e1", "section": "experience", "source_type": "cv", "text": "4 years of production work with Rust (not Go)." } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "adjacent_tech", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-000876
0.1
0.1
{ "text": "Working knowledge of OpenAPI", "skill": "OpenAPI", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-000876-e1", "section": "skills_list", "source_type": "cv", "text": "keywords: agile, openapi, linux, rest" } ]
{ "group_id": "api_design", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-014488
0.1
0.1
{ "text": "Experience with state management", "skill": "state management", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-014488-e1", "section": "summary", "source_type": "cv", "text": "haven't worked with state management; my background is elsewhere." }, { "evidence_id": "sj-v004-syn-014488-e2", "section": "summary", "source_type": "cv", "text": "based in europe, open ...
{ "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-001093
0.1
0.1
{ "text": "Strong hiring skills", "skill": "hiring", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-001093-e1", "section": "experience", "source_type": "cv", "text": "Resume claims they designed the backend interview loop and conducted 150+ interviews." }, { "evidence_id": "sj-v004-syn-001093-e2", "section": "interview", "source_type": "interview", ...
{ "group_id": "leadership", "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-024297
0.1
0.1
{ "text": "Strong hands-on Redis background", "skill": "Redis", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-024297-e1", "section": "experience", "source_type": "cv", "text": "Staff+ engineer who designed Redis cluster caching and rate limiting serving 100k ops/s, setting Redis standards across the organization." }, { "evidence_id": "sj-v004-syn-024297-e2", "sectio...
{ "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-03115
0.1
0.1
{ "text": "Proven MySQL in production", "skill": "MySQL", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-03115-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Basic knowledge of MySQL, HTML" } ]
{ "group_id": "data_storage", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "28bb04be-5d7b-54c2-893d-27da7a41a2e2", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-017159
0.1
0.1
{ "text": "Elasticsearch (must have)", "skill": "Elasticsearch", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-017159-e1", "section": "experience", "source_type": "cv", "text": "Side project: small Elasticsearch demo built while following an online course." }, { "evidence_id": "sj-v004-syn-017159-e2", "section": "summary", "source_type": "cv", "text": "Agile/...
{ "group_id": "data_storage", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "easy", "case_type": "toy_project", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-01988
0.1
0.1
{ "text": "Strong Terraform skills", "skill": "Terraform", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-01988-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Created Jenkins pipelines and terraform modules." } ]
{ "group_id": "cloud_devops", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "619a85fc-a515-5d10-bd78-ee21e3f30027", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v005-bl4-00630
0.1
0.1
{ "text": "Solid web performance knowledge", "skill": "web performance", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v005-bl4-00630-e1", "section": "experience", "source_type": "cv", "text": "Owned architecture and delivery: improved Core Web Vitals (LCP 4.1s to 1.6s) across the storefront." } ]
{ "group_id": "frontend", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "hard", "case_type": "boundary_l4", "source": "synthetic_v005", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-02814
0.1
0.1
{ "text": "Proven AWS in production", "skill": "AWS", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-02814-e1", "section": "cv_excerpt", "source_type": "cv", "text": "I’m familiar with AWS, GCP, Azure and hold the AWS Certified SysOps Administrator Associate certification." } ]
{ "group_id": "cloud_devops", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "1733c9bc-c4ef-5e49-b96f-5491d03d2522", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-real-03969
0.1
0.1
{ "text": "Proven React in production", "skill": "React", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-03969-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Complete course on JavaScript + React - from scratch to result | Udemy;" } ]
{ "group_id": "frontend", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "53e95d58-dba2-55d6-af23-d0ea31f62b60", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": "v0.2" }
sj-v006-c-00461
0.1
0.1
{ "text": "Production Rust skills", "skill": "Rust", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v006-c-00461-e1", "section": "experience", "source_type": "cv", "text": "Built a small Rust demo app following an online tutorial." } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "contrast_partial_supported", "source": "synthetic_v006", "split": "train", "label_status": "synthetic_needs_review" }
sj-v006-c-01588
0.1
0.1
{ "text": "Experience with GCP", "skill": "GCP", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v006-c-01588-e1", "section": "experience", "source_type": "cv", "text": "I personally architected GCP data platform on GKE and BigQuery." } ]
{ "group_id": "cloud_devops", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "hard", "case_type": "contrast_partial_supported", "source": "synthetic_v006", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-030173
0.1
0.1
{ "text": "Deep code review expertise", "skill": "code review", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-030173-e1", "section": "summary", "source_type": "cv", "text": "Passionate engineer who loves clean code and best practices." } ]
{ "group_id": "testing_quality", "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-023111
0.1
0.1
{ "text": "Solid microservices knowledge", "skill": "microservices", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-023111-e1", "section": "summary", "source_type": "cv", "text": "Profile: 'deep microservices expertise', no further details given." } ]
{ "group_id": "system_design", "evidence_label": "partial", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "claim_no_detail", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-000673
0.1
0.1
{ "text": "Good understanding of Python", "skill": "Python", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-000673-e1", "section": "experience", "source_type": "cv", "text": "For 2.5 years I shipped Django features and maintained them in production as the main developer of the service." }, { "evidence_id": "sj-v004-syn-000673-e2", "section": "summary", "source...
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "easy", "case_type": "direct_moderate", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-03062
0.1
0.1
{ "text": "Docker experience", "skill": "Docker", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-03062-e1", "section": "cv_excerpt", "source_type": "cv", "text": "basic knowledge and understanding: bash scripts, Docker, Ansible, Terraform, AWS." } ]
{ "group_id": "cloud_devops", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "daff1195-3432-514f-bed8-1af9dd0c4037", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-014969
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-014969-e1", "section": "summary", "source_type": "cv", "text": "Detail-oriented professional with great communication skills." } ]
{ "group_id": "system_design", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "easy", "case_type": "vague_claim", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-03134
0.1
0.1
{ "text": "Proven React in production", "skill": "React", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-03134-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Technologies: Typescript, ReactJS, Redux, Styled components, Gitlab, Git, Jest, React testing library" } ]
{ "group_id": "frontend", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_keyword_list", "source": "djinni_cv_en", "source_record": "537976d0-fa5a-5f94-901e-c6aec6af11b4", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2"...
sj-v004-real-05664
0.1
0.1
{ "text": "Proven GraphQL in production", "skill": "GraphQL", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-05664-e1", "section": "cv_excerpt", "source_type": "cv", "text": "implementation of the loyalty system; implementation of 2 types of automatic cashback crediting; implementation of monitoring system;" } ]
{ "group_id": "api_design", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "39822d3e-57e9-5fde-a97e-1aaae7ba855c", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-syn-020699
0.1
0.1
{ "text": "PostgreSQL (must have)", "skill": "PostgreSQL", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-020699-e1", "section": "interview", "source_type": "interview", "text": "Screening: asked about PostgreSQL, candidate has not worked with it." }, { "evidence_id": "sj-v004-syn-020699-e2", "section": "summary", "source_type": "cv", "text": "Also worke...
{ "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-001726
0.1
0.1
{ "text": "Commercial experience with state management", "skill": "state management", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-001726-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-syn-009460
0.1
0.1
{ "text": "Hands-on integration testing", "skill": "integration testing", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-009460-e1", "section": "experience", "source_type": "cv", "text": "Assisted on tasks where the team wrote integration tests against real databases; picked tickets prepared by the lead." }, { "evidence_id": "sj-v004-syn-009460-e2", "section": "summary", "...
{ "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-real-02308
0.1
0.1
{ "text": "microservices experience", "skill": "microservices", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-02308-e1", "section": "cv_excerpt", "source_type": "cv", "text": "We were making microservices, unit tests and maintained existing functionality." } ]
{ "group_id": "system_design", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "162bfaf3-d189-5f41-87ab-a38a3cc2f291", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": "v0.2" }
sj-v004-real-04265
0.1
0.1
{ "text": "Proven React in production", "skill": "React", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-04265-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Skills: JavaScript (es5, es6), three.js, pixi.js, webpack, React/Redux, git/bitbucket/gitlab, trello/jira." } ]
{ "group_id": "frontend", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_keyword_list", "source": "djinni_cv_en", "source_record": "6c5029c4-db21-5a63-a7f0-4db5f188a140", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2"...
sj-v004-syn-007984
0.1
0.1
{ "text": "Hands-on Kubernetes", "skill": "Kubernetes", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-007984-e1", "section": "experience", "source_type": "cv", "text": "Principal engineer: designed multi-cluster Kubernetes platform with autoscaling and GitOps for 40 services; recognized as Kubernetes authority and gave conference talks on it." } ]
{ "group_id": "cloud_devops", "evidence_label": "supported", "proficiency_label": "5" }
{ "difficulty": "easy", "case_type": "expert", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-001086
0.1
0.1
{ "text": "Deep Go expertise", "skill": "Go", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-001086-e1", "section": "experience", "source_type": "cv", "text": "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-00315
0.1
0.1
{ "text": "Strong AWS skills", "skill": "AWS", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-00315-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Udemy course \"AWS Certified Solutions Architect - Associate 2020\";" } ]
{ "group_id": "cloud_devops", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "7e19fbe1-228f-5dda-8535-9583d7e54113", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-028691
0.1
0.1
{ "text": "Solid GraphQL knowledge", "skill": "GraphQL", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-028691-e1", "section": "experience", "source_type": "cv", "text": "Resume claims they designed a federated GraphQL schema with dataloader batching for 8 teams." }, { "evidence_id": "sj-v004-syn-028691-e2", "section": "interview", "source_type": "intervie...
{ "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-029770
0.1
0.1
{ "text": "Expert-level PostgreSQL", "skill": "PostgreSQL", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-029770-e1", "section": "interview", "source_type": "interview", "text": "interview notes: candidate stated they never used postgresql." }, { "evidence_id": "sj-v004-syn-029770-e2", "section": "summary", "source_type": "cv", "text": "looking for a pro...
{ "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-008728
0.1
0.1
{ "text": "Solid Rust knowledge", "skill": "Rust", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-008728-e1", "section": "summary", "source_type": "cv", "text": "Rust guru, top expert level." } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "claim_no_detail", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v006-c-01145
0.1
0.1
{ "text": "Commercial TDD experience", "skill": "TDD", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v006-c-01145-e1", "section": "experience", "source_type": "cv", "text": "Tried TDD in a weekend pet project to learn the basics." } ]
{ "group_id": "testing_quality", "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-005084
0.1
0.1
{ "text": "Strong hands-on PostgreSQL background", "skill": "PostgreSQL", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-005084-e1", "section": "experience", "source_type": "cv", "text": "senior engineer (2019-2024): partitioned a 3tb postgresql table and tuned indexes cutting queries from 40s to 1s." } ]
{ "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-002049
0.1
0.1
{ "text": "Deep distributed tracing expertise", "skill": "distributed tracing", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-002049-e1", "section": "experience", "source_type": "cv", "text": "Senior engineer (2019-2024): rolled out OpenTelemetry tracing across 30 services and used it to cut latency 40%." } ]
{ "group_id": "reliability_obs", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-04691
0.1
0.1
{ "text": "Proven Node.js in production", "skill": "Node.js", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-04691-e1", "section": "cv_excerpt", "source_type": "cv", "text": "With over 3 years of experience, I am a versatile software developer skilled in mobile app development using Flutter and full-stack solutions with React and Node.js." } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_years_hands_on", "source": "djinni_cv_en", "source_record": "aea7598f-3bd0-5877-860c-39f63ea5504a", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": "v...
sj-v004-syn-005935
0.1
0.1
{ "text": "Hands-on API versioning", "skill": "API versioning", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-005935-e1", "section": "experience", "source_type": "cv", "text": "Day to day I shipped v2 of an internal API with backward compatibility on my own." }, { "evidence_id": "sj-v004-syn-005935-e2", "section": "summary", "source_type": "cv", "text": "Loo...
{ "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-021184
0.1
0.1
{ "text": "Deep distributed consistency expertise", "skill": "distributed consistency", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-021184-e1", "section": "skills_list", "source_type": "cv", "text": "tools: git, distributed consistency, docker, postman, jira" } ]
{ "group_id": "system_design", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v005-bl4-00885
0.1
0.1
{ "text": "Experience with monitoring", "skill": "monitoring", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v005-bl4-00885-e1", "section": "experience", "source_type": "cv", "text": "Senior engineer and design owner: built the company observability stack (Prometheus, Grafana) and SLO program." } ]
{ "group_id": "reliability_obs", "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-015437
0.1
0.1
{ "text": "Deep accessibility expertise", "skill": "accessibility", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-015437-e1", "section": "experience", "source_type": "cv", "text": "claimed: led wcag 2.1 aa remediation and audits." }, { "evidence_id": "sj-v004-syn-015437-e2", "section": "interview", "source_type": "interview", "text": "interviewer: could not expl...
{ "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-007095
0.1
0.1
{ "text": "Proven Kafka in production", "skill": "Kafka", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-007095-e1", "section": "summary", "source_type": "cv", "text": "profile: 'deep kafka expertise', no further details given." }, { "evidence_id": "sj-v004-syn-007095-e2", "section": "summary", "source_type": "cv", "text": "fluent english." } ]
{ "group_id": "system_design", "evidence_label": "partial", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "claim_no_detail", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-004042
0.1
0.1
{ "text": "Proven accessibility in production", "skill": "accessibility", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-004042-e1", "section": "experience", "source_type": "cv", "text": "Core contributor to the accessibility ecosystem; led WCAG 2.1 AA remediation and audits." } ]
{ "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-012106
0.1
0.1
{ "text": "Solid distributed consistency knowledge", "skill": "distributed consistency", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-012106-e1", "section": "experience", "source_type": "cv", "text": "Principal engineer: designed idempotent, eventually consistent ledger with reconciliation; recognized as distributed consistency authority and gave conference talks on it." }, { "evidence_id": "s...
{ "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-real-01167
0.1
0.1
{ "text": "Proven Go in production", "skill": "Go", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-01167-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Drastically reduced go-to-market for 90% of typical backlog features: from 1-3 months to less than 1 day." } ]
{ "group_id": "lang_core", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_strong_ownership", "source": "djinni_cv_en", "source_record": "3cdb4974-33dc-5bbe-9974-92dc2d819d10", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": ...
sj-v004-syn-031271
0.1
0.1
{ "text": "Working knowledge of OAuth2/OIDC", "skill": "OAuth2/OIDC", "group_id": "security", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-031271-e1", "section": "skills_list", "source_type": "cv", "text": "Skills: OAuth2/OIDC, 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-028616
0.1
0.1
{ "text": "Solid Kubernetes knowledge", "skill": "Kubernetes", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-028616-e1", "section": "experience", "source_type": "cv", "text": "Fellow-level engineer: designed multi-cluster Kubernetes platform with autoscaling and GitOps for 40 services. Wrote the internal Kubernetes handbook and teach Kubernetes externally." }, { "evide...
{ "group_id": "cloud_devops", "evidence_label": "supported", "proficiency_label": "5" }
{ "difficulty": "easy", "case_type": "expert", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-001193
0.1
0.1
{ "text": "Strong MongoDB skills", "skill": "MongoDB", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-001193-e1", "section": "summary", "source_type": "cv", "text": "I have not used MongoDB professionally or in projects; my experience is in other areas." }, { "evidence_id": "sj-v004-syn-001193-e2", "section": "summary", "source_type": "cv", "text": "...
{ "group_id": "data_storage", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "explicit_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-029187
0.1
0.1
{ "text": "Production authorization (RBAC) skills", "skill": "authorization (RBAC)", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-029187-e1", "section": "experience", "source_type": "cv", "text": "Summary: Built REST services with Spring Boot for 4 years. Hobbies: football." } ]
{ "group_id": "security", "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-03686
0.1
0.1
{ "text": "Python experience", "skill": "Python", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-03686-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Developer with 10 years experience, Private Entrepreneur, Tech Lead, Skilled in PHP, Python and databases." } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_years_hands_on", "source": "djinni_cv_en", "source_record": "9893d8f4-876a-586d-891a-2d7dc2b9aab8", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": "v...
sj-v004-syn-029141
0.1
0.1
{ "text": "Deep secrets management expertise", "skill": "secrets management", "group_id": "security", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-029141-e1", "section": "experience", "source_type": "cv", "text": "Claimed: migrated all secrets to Vault with dynamic credentials." }, { "evidence_id": "sj-v004-syn-029141-e2", "section": "interview", "source_type": "interview", "text": "Interviewer...
{ "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-027420
0.1
0.1
{ "text": "OpenAPI experience", "skill": "OpenAPI", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-027420-e1", "section": "experience", "source_type": "cv", "text": "Staff+ engineer who introduced contract-first OpenAPI workflow with generated SDKs, setting OpenAPI standards across the organization." }, { "evidence_id": "sj-v004-syn-027420-e2", "section":...
{ "group_id": "api_design", "evidence_label": "supported", "proficiency_label": "5" }
{ "difficulty": "easy", "case_type": "expert", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-015710
0.1
0.1
{ "text": "Commercial experience with gRPC", "skill": "gRPC", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-015710-e1", "section": "experience", "source_type": "cv", "text": "Staff+ engineer who defined protobuf contracts and gRPC streaming APIs between 20 services, setting gRPC standards across the organization." }, { "evidence_id": "sj-v004-syn-015710-e2", "sect...
{ "group_id": "api_design", "evidence_label": "supported", "proficiency_label": "5" }
{ "difficulty": "easy", "case_type": "expert", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-030155
0.1
0.1
{ "text": "Commercial experience with distributed tracing", "skill": "distributed tracing", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-030155-e1", "section": "experience", "source_type": "cv", "text": "Senior engineer (2019-2024): rolled out OpenTelemetry tracing across 30 services and used it to cut latency 40%." }, { "evidence_id": "sj-v004-syn-030155-e2", "section": "summary", "sourc...
{ "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-007324
0.1
0.1
{ "text": "SLO/SLI experience", "skill": "SLO/SLI", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-007324-e1", "section": "experience", "source_type": "cv", "text": "bootcamp assignment: basic slo/sli exercise." }, { "evidence_id": "sj-v004-syn-007324-e2", "section": "summary", "source_type": "cv", "text": "b.sc. in computer science." } ]
{ "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-006022
0.1
0.1
{ "text": "hiring (must have)", "skill": "hiring", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-006022-e1", "section": "experience", "source_type": "cv", "text": "Delivered features end-to-end where I conducted technical interviews." } ]
{ "group_id": "leadership", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "easy", "case_type": "direct_moderate", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-007127
0.1
0.1
{ "text": "Experience with event-driven architecture", "skill": "event-driven architecture", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-007127-e1", "section": "experience", "source_type": "cv", "text": "For 2.5 years I implemented event handlers in an event-driven system 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-04612
0.1
0.1
{ "text": "Proven Node.js in production", "skill": "Node.js", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-04612-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Stack: React, TypeScript, Redux (Toolkit, Saga, Reselect), Styled-Components, Webpack, Microbundle, Node" } ]
{ "group_id": "lang_core", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_keyword_list", "source": "djinni_cv_en", "source_record": "f6971fad-4f66-59b1-8e23-2627693d1024", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2"...
sj-v006-c-00163
0.1
0.1
{ "text": "Production integration testing skills", "skill": "integration testing", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v006-c-00163-e1", "section": "experience", "source_type": "cv", "text": "University coursework included a integration testing assignment." } ]
{ "group_id": "testing_quality", "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-005199
0.1
0.1
{ "text": "Commercial experience with OAuth2/OIDC", "skill": "OAuth2/OIDC", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-005199-e1", "section": "interview", "source_type": "interview", "text": "Interviewer: zero OAuth2/OIDC exposure confirmed by candidate." } ]
{ "group_id": "security", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "verified_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-06937
0.1
0.1
{ "text": "Strong mentoring skills", "skill": "mentoring", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-06937-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Now I progress in Vuejs, then I plan to study React. I work with HTML5, CSS, SCSS, SASS, Bootstrap ,JS, Webpack, Gulp , Git , Github My git repository - howToCode01" } ]
{ "group_id": "leadership", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "09392651-1698-5b9a-8516-18e943c071e7", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-syn-022943
0.1
0.1
{ "text": "TypeScript (frontend) (must have)", "skill": "TypeScript (frontend)", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-022943-e1", "section": "summary", "source_type": "cv", "text": "I have not used TypeScript (frontend) professionally or in projects; my experience is in other areas." } ]
{ "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-v008-cv-00966
0.1
0.1
{ "text": "Strong cross-team leadership skills", "skill": "cross-team leadership", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-00966-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Completed an online cross-team leadership course with a certificate." } ]
{ "group_id": "leadership", "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-syn-029107
0.1
0.1
{ "text": "Practical unit testing experience", "skill": "unit testing", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-029107-e1", "section": "summary", "source_type": "cv", "text": "No hands-on unit testing experience yet; planning to learn it." } ]
{ "group_id": "testing_quality", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "explicit_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-021286
0.1
0.1
{ "text": "Terraform experience", "skill": "Terraform", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-021286-e1", "section": "experience", "source_type": "cv", "text": "In my last role I authored reusable Terraform modules used by 15 teams." }, { "evidence_id": "sj-v004-syn-021286-e2", "section": "summary", "source_type": "cv", "text": "Agile/Scrum t...
{ "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-016278
0.1
0.1
{ "text": "Strong hands-on C#/.NET background", "skill": "C#/.NET", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-016278-e1", "section": "experience", "source_type": "cv", "text": "Summary: Senior iOS engineer (Swift) shipping consumer apps for 6 years. Hobbies: football." } ]
{ "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-syn-029956
0.1
0.1
{ "text": "Hands-on ownership", "skill": "ownership", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-029956-e1", "section": "skills_list", "source_type": "cv", "text": "keywords: agile, ownership, linux, rest" }, { "evidence_id": "sj-v004-syn-029956-e2", "section": "summary", "source_type": "cv", "text": "b.sc. in computer science." } ]
{ "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-real-00761
0.1
0.1
{ "text": "Node.js experience", "skill": "Node.js", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-00761-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Thanks for your visited my profile! I'm a highly-qualified professional with 8 years experience in developing mobile application for Android, iPhone, iPad, Php, Flutter, React Native, React.JS, Node.JS, ...
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
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