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sj-v004-syn-027925
0.1
0.1
{ "text": "Experience with TDD", "skill": "TDD", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-027925-e1", "section": "summary", "source_type": "cv", "text": "I have not used TDD professionally or in projects; my experience is in other areas." } ]
{ "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-018911
0.1
0.1
{ "text": "Good understanding of OpenAPI", "skill": "OpenAPI", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-018911-e1", "section": "experience", "source_type": "cv", "text": "Software engineer (2021-2024): wrote OpenAPI specs for team services." } ]
{ "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-v006-c-00299
0.1
0.1
{ "text": "Experience with web performance", "skill": "web performance", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v006-c-00299-e1", "section": "experience", "source_type": "cv", "text": "Tried web performance in a weekend pet project to learn the basics." } ]
{ "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-026135
0.1
0.1
{ "text": "Good understanding of static analysis", "skill": "static analysis", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-026135-e1", "section": "experience", "source_type": "cv", "text": "independently fixed static analysis warnings in ci; on-call owner for it." }, { "evidence_id": "sj-v004-syn-026135-e2", "section": "summary", "source_type": "cv", "text": "b.sc. in co...
{ "group_id": "testing_quality", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "easy", "case_type": "direct_moderate", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-017856
0.1
0.1
{ "text": "Proven state management in production", "skill": "state management", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-017856-e1", "section": "experience", "source_type": "cv", "text": "CV: designed client state architecture with Redux Toolkit and React Query." }, { "evidence_id": "sj-v004-syn-017856-e2", "section": "interview", "source_type": "interview", "text": "I...
{ "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-real-03340
0.1
0.1
{ "text": "Strong mentoring skills", "skill": "mentoring", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-03340-e1", "section": "cv_excerpt", "source_type": "cv", "text": "As a Data Science Competence Lead at JetSoftPro, I developed NLG and ABM projects, provided pre-sales support, and mentored trainees." } ]
{ "group_id": "leadership", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "90166046-3411-5d57-840b-cbcef75d83eb", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-002817
0.1
0.1
{ "text": "Docker experience", "skill": "Docker", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-002817-e1", "section": "skills_list", "source_type": "cv", "text": "Skills: Docker, Git, Jira, Agile, Linux" } ]
{ "group_id": "cloud_devops", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-015522
0.1
0.1
{ "text": "Solid SLO/SLI knowledge", "skill": "SLO/SLI", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-015522-e1", "section": "summary", "source_type": "cv", "text": "Self-rated 10/10 in SLO/SLI." }, { "evidence_id": "sj-v004-syn-015522-e2", "section": "summary", "source_type": "cv", "text": "Agile/Scrum teams of 5-8 people." } ]
{ "group_id": "reliability_obs", "evidence_label": "partial", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "claim_no_detail", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v008-cv-01420
0.1
0.1
{ "text": "Proven static analysis in production", "skill": "static analysis", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-01420-e1", "section": "cv_excerpt", "source_type": "cv", "text": "As a junior I assisted teammates who fixed static analysis warnings in CI." } ]
{ "group_id": "testing_quality", "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-020992
0.1
0.1
{ "text": "Expert-level cross-team leadership", "skill": "cross-team leadership", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-020992-e1", "section": "experience", "source_type": "cv", "text": "Did a cross-team leadership tutorial and a hello-world app on GitHub." } ]
{ "group_id": "leadership", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "easy", "case_type": "toy_project", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-009849
0.1
0.1
{ "text": "Hands-on OAuth2/OIDC", "skill": "OAuth2/OIDC", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-009849-e1", "section": "summary", "source_type": "cv", "text": "I have no experience with OAuth2/OIDC at all." } ]
{ "group_id": "security", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "explicit_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-010398
0.1
0.1
{ "text": "Solid microservices knowledge", "skill": "microservices", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-010398-e1", "section": "experience", "source_type": "cv", "text": "Summary: QA engineer writing manual test plans. Hobbies: football." } ]
{ "group_id": "system_design", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "missing_skill", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-027556
0.1
0.1
{ "text": "Good understanding of Kubernetes", "skill": "Kubernetes", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-027556-e1", "section": "education", "source_type": "cv", "text": "University course project using Kubernetes for a simple CRUD demo." } ]
{ "group_id": "cloud_devops", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "easy", "case_type": "toy_project", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-027102
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-027102-e1", "section": "summary", "source_type": "cv", "text": "I have no experience with scalable system design at all." } ]
{ "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-v002-tr-0136
0.1
0.1
{ "text": "Strong API versioning skills", "skill": "API versioning", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v002-tr-0136-e1", "section": "skills_list", "source_type": "cv", "text": "Skills: API versioning, Git, Jira, Agile, Linux" } ]
{ "group_id": "api_design", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v002", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-006678
0.1
0.1
{ "text": "caching strategy (must have)", "skill": "caching strategy", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-006678-e1", "section": "summary", "source_type": "cv", "text": "Haven't worked with caching strategy; my background is elsewhere." }, { "evidence_id": "sj-v004-syn-006678-e2", "section": "summary", "source_type": "cv", "text": "B.Sc. in Computer Scie...
{ "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-v005-bl3-00118
0.1
0.1
{ "text": "Strong state management skills", "skill": "state management", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v005-bl3-00118-e1", "section": "experience", "source_type": "cv", "text": "Mid-level engineer for 2 years: used Redux in production features; handled the on-call for it." } ]
{ "group_id": "frontend", "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-011048
0.1
0.1
{ "text": "Proven integration testing in production", "skill": "integration testing", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-011048-e1", "section": "experience", "source_type": "cv", "text": "Backend engineer, 3 years: wrote integration tests against real databases." } ]
{ "group_id": "testing_quality", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "easy", "case_type": "direct_moderate", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-026793
0.1
0.1
{ "text": "incident response (must have)", "skill": "incident response", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-026793-e1", "section": "experience", "source_type": "cv", "text": "assisted on tasks where the team took part in on-call and wrote postmortems; 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-v006-c-00402
0.1
0.1
{ "text": "Experience with Node.js", "skill": "Node.js", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v006-c-00402-e1", "section": "experience", "source_type": "cv", "text": "Built a small Node.js 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-v004-syn-014362
0.1
0.1
{ "text": "Deep C#/.NET expertise", "skill": "C#/.NET", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-014362-e1", "section": "experience", "source_type": "cv", "text": "Our squad architected .NET 8 order platform across 12 services; I mainly fixed bugs and wrote docs." } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "team_credit", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-007223
0.1
0.1
{ "text": "Deep MySQL expertise", "skill": "MySQL", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-007223-e1", "section": "skills_list", "source_type": "cv", "text": "Tools: Git, MySQL, Docker, Postman, Jira" }, { "evidence_id": "sj-v004-syn-007223-e2", "section": "summary", "source_type": "cv", "text": "Agile/Scrum teams of 5-8 people." } ]
{ "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-02754
0.1
0.1
{ "text": "AWS experience", "skill": "AWS", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-02754-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Terraform - wrote tf.files for Hetzner cloud and AWS s3 bucket" } ]
{ "group_id": "cloud_devops", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "6eb7fc67-a5b0-5b80-a8b2-4e143a09738f", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": "v0.2" }
sj-v004-syn-028323
0.1
0.1
{ "text": "hiring (must have)", "skill": "hiring", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-028323-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-027812
0.1
0.1
{ "text": "distributed consistency (must have)", "skill": "distributed consistency", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-027812-e1", "section": "experience", "source_type": "cv", "text": "Owned the initiative where I designed idempotent, eventually consistent ledger with reconciliation, and drove distributed consistency decisions for the team." } ]
{ "group_id": "system_design", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-018364
0.1
0.1
{ "text": "Practical performance tuning experience", "skill": "performance tuning", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-018364-e1", "section": "projects", "source_type": "portfolio", "text": "Case study: profiled and tuned JVM services increasing throughput 3x on the same hardware. Includes architecture diagrams and benchmark results." } ]
{ "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-025558
0.1
0.1
{ "text": "Good understanding of unit testing", "skill": "unit testing", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-025558-e1", "section": "experience", "source_type": "cv", "text": "Delivered features end-to-end where I wrote unit tests for all features." }, { "evidence_id": "sj-v004-syn-025558-e2", "section": "summary", "source_type": "cv", "text": "Fluent Engli...
{ "group_id": "testing_quality", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "easy", "case_type": "direct_moderate", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-000430
0.1
0.1
{ "text": "Deep secrets management expertise", "skill": "secrets management", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-000430-e1", "section": "experience", "source_type": "cv", "text": "Contributed peripheral tickets to a project where the team migrated all secrets to Vault with dynamic credentials." } ]
{ "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-syn-002896
0.1
0.1
{ "text": "Strong Go skills", "skill": "Go", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-002896-e1", "section": "interview", "source_type": "interview", "text": "Interviewer: zero Go exposure confirmed by candidate." }, { "evidence_id": "sj-v004-syn-002896-e2", "section": "summary", "source_type": "cv", "text": "Based in Europe, open to ...
{ "group_id": "lang_core", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "verified_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-003289
0.1
0.1
{ "text": "Strong hands-on scalable system design background", "skill": "scalable system design", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-003289-e1", "section": "experience", "source_type": "cv", "text": "Software engineer (2021-2024): designed a single service including data model and failure modes." }, { "evidence_id": "sj-v004-syn-003289-e2", "section": "summary", "source_type": "cv", ...
{ "group_id": "system_design", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "easy", "case_type": "direct_moderate", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-013994
0.1
0.1
{ "text": "Strong hands-on OpenAPI background", "skill": "OpenAPI", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-013994-e1", "section": "interview", "source_type": "interview", "text": "interviewer: zero openapi exposure confirmed by candidate." }, { "evidence_id": "sj-v004-syn-013994-e2", "section": "summary", "source_type": "cv", "text": "based in europe, ope...
{ "group_id": "api_design", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "verified_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v005-bl3-00196
0.1
0.1
{ "text": "Experience with PostgreSQL", "skill": "PostgreSQL", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v005-bl3-00196-e1", "section": "experience", "source_type": "cv", "text": "Over 3 years I wrote migrations and optimized slow PostgreSQL queries; feature owner, no design ownership." } ]
{ "group_id": "data_storage", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "boundary_l3", "source": "synthetic_v005", "split": "train", "label_status": "synthetic_needs_review" }
sj-v008-cv-01937
0.1
0.1
{ "text": "Hands-on GCP", "skill": "GCP", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-01937-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Built various applications with GCP, Java, Go and SQL." } ]
{ "group_id": "cloud_devops", "evidence_label": "partial", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "convention_v02", "source": "synthetic_v008", "split": "train", "label_status": "synthetic_convention_v0.2" }
sj-v004-real-02295
0.1
0.1
{ "text": "Proven Python in production", "skill": "Python", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-02295-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Organised a workshop to train people basic data collecting techniques with Python and Scrapy" } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "d5d0fa5e-319b-546f-bd61-7f356cfe359e", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-019077
0.1
0.1
{ "text": "Strong Java skills", "skill": "Java", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-019077-e1", "section": "experience", "source_type": "cv", "text": "Delivered features end-to-end where I owned Spring Boot services end-to-end." } ]
{ "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-syn-019813
0.1
0.1
{ "text": "Solid PostgreSQL knowledge", "skill": "PostgreSQL", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-019813-e1", "section": "summary", "source_type": "cv", "text": "I have no experience with PostgreSQL at all." } ]
{ "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-real-06328
0.1
0.1
{ "text": "Strong MongoDB skills", "skill": "MongoDB", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-06328-e1", "section": "cv_excerpt", "source_type": "cv", "text": "As one of my most recent achievements, I developed a Computer Vision algorithm for the Image Similarity Estimation problem during CSC Hackathon 2023. It showed a 5-10x better error rate and 25-50x faster...
{ "group_id": "data_storage", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "71c9c851-fd2e-5d05-9d5e-ed0698031035", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v005-bl5-01242
0.1
0.1
{ "text": "Strong Python skills", "skill": "Python", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v005-bl5-01242-e1", "section": "experience", "source_type": "cv", "text": "Organization-level owner of Python strategy: architected an async Python (FastAPI) platform serving 30 internal teams, consulted by every team." } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "5" }
{ "difficulty": "hard", "case_type": "boundary_l5", "source": "synthetic_v005", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-001398
0.1
0.1
{ "text": "Strong hands-on event-driven architecture background", "skill": "event-driven architecture", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-001398-e1", "section": "experience", "source_type": "cv", "text": "Tech lead who designed saga-based event-driven checkout across 6 services, and mentored the team on event-driven architecture practices." } ]
{ "group_id": "system_design", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-003513
0.1
0.1
{ "text": "Commercial experience with GraphQL", "skill": "GraphQL", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-003513-e1", "section": "experience", "source_type": "cv", "text": "Summary: Data analyst building Tableau dashboards and SQL reports. Hobbies: football." } ]
{ "group_id": "api_design", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "missing_skill", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-017238
0.1
0.1
{ "text": "encryption (must have)", "skill": "encryption", "group_id": "security", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-017238-e1", "section": "summary", "source_type": "cv", "text": "No hands-on encryption experience yet; planning to learn it." }, { "evidence_id": "sj-v004-syn-017238-e2", "section": "summary", "source_type": "cv", "text": "Based in Europe, open to re...
{ "group_id": "security", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "explicit_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-030228
0.1
0.1
{ "text": "Expert-level Node.js", "skill": "Node.js", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-030228-e1", "section": "experience", "source_type": "cv", "text": "In my last role I led the Node.js/TypeScript gateway rewrite reducing p99 from 900ms to 120ms." }, { "evidence_id": "sj-v004-syn-030228-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-000106
0.1
0.1
{ "text": "Commercial experience with AWS", "skill": "AWS", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-000106-e1", "section": "experience", "source_type": "cv", "text": "Backend engineer building Java services deployed by a separate ops team to VMs." } ]
{ "group_id": "cloud_devops", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "missing_skill", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-026215
0.1
0.1
{ "text": "Strong React skills", "skill": "React", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-026215-e1", "section": "experience", "source_type": "cv", "text": "In my last role I architected React micro-frontend platform for 6 teams." } ]
{ "group_id": "frontend", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-028463
0.1
0.1
{ "text": "Strong hands-on unit testing background", "skill": "unit testing", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-028463-e1", "section": "experience", "source_type": "cv", "text": "Claimed: set testing standards and raised coverage from 30% to 85% across the org." }, { "evidence_id": "sj-v004-syn-028463-e2", "section": "interview", "source_type": "interview", "t...
{ "group_id": "testing_quality", "evidence_label": "contradicted", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "cv_vs_interview", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-005135
0.1
0.1
{ "text": "Elasticsearch experience", "skill": "Elasticsearch", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-005135-e1", "section": "experience", "source_type": "cv", "text": "Software engineer (2021-2024): built search features on Elasticsearch." } ]
{ "group_id": "data_storage", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "easy", "case_type": "direct_moderate", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-05166
0.1
0.1
{ "text": "Kafka experience", "skill": "Kafka", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-05166-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Frontend Developer with one year of experience in developing websites and landing pages for pharmaceutical companies and their products, virtual meetings with a registration form, templates for modular ...
{ "group_id": "system_design", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "cf7c7019-33b7-52ca-8bd3-999716830bbe", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-syn-009949
0.1
0.1
{ "text": "mentoring (must have)", "skill": "mentoring", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-009949-e1", "section": "experience", "source_type": "cv", "text": "For 2.5 years I mentored an intern as the main developer of the service." } ]
{ "group_id": "leadership", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "easy", "case_type": "direct_moderate", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v005-bl3-00570
0.1
0.1
{ "text": "Strong MySQL skills", "skill": "MySQL", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v005-bl3-00570-e1", "section": "experience", "source_type": "cv", "text": "In my current job I designed MySQL schemas for new features and fix issues without help." } ]
{ "group_id": "data_storage", "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-006790
0.1
0.1
{ "text": "Strong hands-on integration testing background", "skill": "integration testing", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-006790-e1", "section": "experience", "source_type": "cv", "text": "Software engineer (2021-2024): wrote integration tests against real databases." } ]
{ "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-v008-cv-01167
0.1
0.1
{ "text": "Strong secrets management skills", "skill": "secrets management", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-01167-e1", "section": "cv_excerpt", "source_type": "cv", "text": "At a mid-size company I migrated all secrets to Vault with dynamic credentials." } ]
{ "group_id": "security", "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-029693
0.1
0.1
{ "text": "Proven authorization (RBAC) in production", "skill": "authorization (RBAC)", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-029693-e1", "section": "skills_list", "source_type": "cv", "text": "Stack: authorization (RBAC), Jira, Confluence, Git" }, { "evidence_id": "sj-v004-syn-029693-e2", "section": "summary", "source_type": "cv", "text": "Also worked with Git and Jira." ...
{ "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-024372
0.1
0.1
{ "text": "Proven integration testing in production", "skill": "integration testing", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-024372-e1", "section": "interview", "source_type": "interview", "text": "Interviewer: zero integration testing exposure confirmed by candidate." } ]
{ "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-v004-syn-026160
0.1
0.1
{ "text": "Good understanding of Node.js", "skill": "Node.js", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-026160-e1", "section": "experience", "source_type": "cv", "text": "Delivered features end-to-end where I developed Express APIs and handled on-call issues." }, { "evidence_id": "sj-v004-syn-026160-e2", "section": "summary", "source_type": "cv", "text...
{ "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-syn-014237
0.1
0.1
{ "text": "Hands-on Python", "skill": "Python", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-014237-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-syn-020926
0.1
0.1
{ "text": "Good understanding of OAuth2/OIDC", "skill": "OAuth2/OIDC", "group_id": "security", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-020926-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-syn-002495
0.1
0.1
{ "text": "Python (must have)", "skill": "Python", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-002495-e1", "section": "experience", "source_type": "cv", "text": "Tech lead who architected an async Python (FastAPI) platform serving 30 internal teams, and mentored the team on Python practices." }, { "evidence_id": "sj-v004-syn-002495-e2", "section": "su...
{ "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-019534
0.1
0.1
{ "text": "Strong hands-on incident response background", "skill": "incident response", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-019534-e1", "section": "skills_list", "source_type": "cv", "text": "skills: incident response, git, jira, agile, linux" } ]
{ "group_id": "reliability_obs", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-008539
0.1
0.1
{ "text": "Proven state management in production", "skill": "state management", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-008539-e1", "section": "skills_list", "source_type": "cv", "text": "Technologies: Docker, state management, Scrum, SQL" } ]
{ "group_id": "frontend", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v005-bl5-01474
0.1
0.1
{ "text": "Solid Elasticsearch knowledge", "skill": "Elasticsearch", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v005-bl5-01474-e1", "section": "experience", "source_type": "cv", "text": "Principal engineer, recognized expert: designed Elasticsearch index strategy for 500M docs with relevance tuning; core maintainer of a popular Elasticsearch project." } ]
{ "group_id": "data_storage", "evidence_label": "supported", "proficiency_label": "5" }
{ "difficulty": "hard", "case_type": "boundary_l5", "source": "synthetic_v005", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-013797
0.1
0.1
{ "text": "Working knowledge of scalable system design", "skill": "scalable system design", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-013797-e1", "section": "experience", "source_type": "cv", "text": "For 2.5 years I designed a single service including data model and failure modes as the main developer of the service." }, { "evidence_id": "sj-v004-syn-013797-e2", "section": "summary", ...
{ "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-v005-bl3-00427
0.1
0.1
{ "text": "Hands-on TypeScript (frontend)", "skill": "TypeScript (frontend)", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v005-bl3-00427-e1", "section": "experience", "source_type": "cv", "text": "Worked independently: wrote typed React components, owning it in production." } ]
{ "group_id": "frontend", "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-030729
0.1
0.1
{ "text": "Solid Node.js knowledge", "skill": "Node.js", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-030729-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-025930
0.1
0.1
{ "text": "Expert-level Kotlin", "skill": "Kotlin", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-025930-e1", "section": "experience", "source_type": "cv", "text": "Under supervision I worked on small parts while the team built Ktor endpoints in production." }, { "evidence_id": "sj-v004-syn-025930-e2", "section": "summary", "source_type": "cv", "...
{ "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-010853
0.1
0.1
{ "text": "Experience with distributed consistency", "skill": "distributed consistency", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-010853-e1", "section": "summary", "source_type": "cv", "text": "No hands-on distributed consistency experience yet; planning to learn it." } ]
{ "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-022921
0.1
0.1
{ "text": "Production Java skills", "skill": "Java", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-022921-e1", "section": "experience", "source_type": "cv", "text": "Tech lead who designed a Java/Spring settlement engine processing $2B/yr and cut GC pauses 80%, and mentored the team on Java practices." } ]
{ "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-000584
0.1
0.1
{ "text": "Working knowledge of Elasticsearch", "skill": "Elasticsearch", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-000584-e1", "section": "experience", "source_type": "cv", "text": "Frontend developer focused on CSS animations and design systems." } ]
{ "group_id": "data_storage", "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-014357
0.1
0.1
{ "text": "Working knowledge of secrets management", "skill": "secrets management", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-014357-e1", "section": "experience", "source_type": "cv", "text": "Senior engineer (2019-2024): migrated all secrets to Vault with dynamic credentials." } ]
{ "group_id": "security", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-002398
0.1
0.1
{ "text": "Proven OpenAPI in production", "skill": "OpenAPI", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-002398-e1", "section": "experience", "source_type": "cv", "text": "software engineer (2021-2024): wrote openapi specs for team services." } ]
{ "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-05709
0.1
0.1
{ "text": "AWS experience", "skill": "AWS", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-05709-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Hightly motivated customer support specialist with four years experience, seeking to improve customers experience. Assisted order throw multiplay temporary jobs and seasonal jobs in customer service, co...
{ "group_id": "cloud_devops", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "438c764d-ec1c-5a72-a6ad-79951e723736", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-syn-024734
0.1
0.1
{ "text": "GraphQL experience", "skill": "GraphQL", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-024734-e1", "section": "interview", "source_type": "interview", "text": "Interviewer: zero GraphQL exposure confirmed by candidate." } ]
{ "group_id": "api_design", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "verified_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-019853
0.1
0.1
{ "text": "Good understanding of GCP", "skill": "GCP", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-019853-e1", "section": "experience", "source_type": "cv", "text": "Backend engineer, 3 years: ran services on Cloud Run and Cloud SQL." } ]
{ "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-real-06273
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-06273-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Ability learn anything quickly. Disciplined and reliable in team. Currently I'm working in a fintech company as a frontend developer." } ]
{ "group_id": "cloud_devops", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "672af340-edd7-582e-b1c5-0b1c4aed287c", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-syn-024968
0.1
0.1
{ "text": "Solid monitoring knowledge", "skill": "monitoring", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-024968-e1", "section": "experience", "source_type": "cv", "text": "Assisted on tasks where the team created dashboards and alerts for services; picked tickets prepared by the lead." }, { "evidence_id": "sj-v004-syn-024968-e2", "section": "summary", "sour...
{ "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-001908
0.1
0.1
{ "text": "Strong hands-on Kubernetes background", "skill": "Kubernetes", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-001908-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-029701
0.1
0.1
{ "text": "Strong hands-on ownership background", "skill": "ownership", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-029701-e1", "section": "experience", "source_type": "cv", "text": "Junior engineer (10 months): helped the team when it owned a service and its backlog, under a senior's guidance." } ]
{ "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-010769
0.1
0.1
{ "text": "Strong hands-on AWS background", "skill": "AWS", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-010769-e1", "section": "experience", "source_type": "cv", "text": "Backend engineer building Java services deployed by a separate ops team to VMs." } ]
{ "group_id": "cloud_devops", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "missing_skill", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-030762
0.1
0.1
{ "text": "database migrations (must have)", "skill": "database migrations", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-030762-e1", "section": "experience", "source_type": "cv", "text": "delivered features end-to-end where i wrote and ran production migrations." } ]
{ "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-v006-c-00273
0.1
0.1
{ "text": "Production static analysis skills", "skill": "static analysis", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v006-c-00273-e1", "section": "experience", "source_type": "cv", "text": "My team introduced SonarQube and custom lint rules gating all merges; I only wrote some tests around it." } ]
{ "group_id": "testing_quality", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "contrast_partial_supported", "source": "synthetic_v006", "split": "train", "label_status": "synthetic_needs_review" }
sj-v005-bl3-00537
0.1
0.1
{ "text": "Production OpenAPI skills", "skill": "OpenAPI", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v005-bl3-00537-e1", "section": "experience", "source_type": "cv", "text": "In my current job I wrote OpenAPI specs for team services and fix issues without help." } ]
{ "group_id": "api_design", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "boundary_l3", "source": "synthetic_v005", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-017240
0.1
0.1
{ "text": "Strong hands-on static analysis background", "skill": "static analysis", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-017240-e1", "section": "summary", "source_type": "cv", "text": "static analysis: none so far." }, { "evidence_id": "sj-v004-syn-017240-e2", "section": "summary", "source_type": "cv", "text": "Fluent English." } ]
{ "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-017296
0.1
0.1
{ "text": "Production API versioning skills", "skill": "API versioning", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-017296-e1", "section": "experience", "source_type": "cv", "text": "Tech lead who created deprecation and versioning policy adopted company-wide, and mentored the team on API versioning practices." }, { "evidence_id": "sj-v004-syn-017296-e2", "section": "summ...
{ "group_id": "api_design", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-005873
0.1
0.1
{ "text": "Practical microservices experience", "skill": "microservices", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-005873-e1", "section": "summary", "source_type": "cv", "text": "Advanced microservices skills; strong microservices background." }, { "evidence_id": "sj-v004-syn-005873-e2", "section": "summary", "source_type": "cv", "text": "Based in Europe, open to...
{ "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-028121
0.1
0.1
{ "text": "Working knowledge of ownership", "skill": "ownership", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-028121-e1", "section": "experience", "source_type": "cv", "text": "Delivered features end-to-end where I owned a service and its backlog." }, { "evidence_id": "sj-v004-syn-028121-e2", "section": "summary", "source_type": "cv", "text": "Looking for a ...
{ "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-v006-c-00805
0.1
0.1
{ "text": "Production Node.js skills", "skill": "Node.js", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v006-c-00805-e1", "section": "experience", "source_type": "cv", "text": "At work I developed Express APIs and handled on-call issues independently, including debugging prod incidents." } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "contrast_partial_supported", "source": "synthetic_v006", "split": "train", "label_status": "synthetic_needs_review" }
sj-v008-cv-00552
0.1
0.1
{ "text": "Hands-on microservices", "skill": "microservices", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-00552-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Took part in a logistics app project built on microservices." } ]
{ "group_id": "system_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-real-02093
0.1
0.1
{ "text": "Python experience", "skill": "Python", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-02093-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Recently, I started learning Python for Data Science." } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "9f9bc42c-1012-506b-b806-a77dce1f44ff", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v005-bl5-01258
0.1
0.1
{ "text": "Experience with web performance", "skill": "web performance", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v005-bl5-01258-e1", "section": "experience", "source_type": "cv", "text": "Principal engineer, recognized expert: improved Core Web Vitals (LCP 4.1s to 1.6s) across the storefront; core maintainer of a popular web performance project." } ]
{ "group_id": "frontend", "evidence_label": "supported", "proficiency_label": "5" }
{ "difficulty": "hard", "case_type": "boundary_l5", "source": "synthetic_v005", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-016912
0.1
0.1
{ "text": "Production microservices skills", "skill": "microservices", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-016912-e1", "section": "interview", "source_type": "interview", "text": "Interviewer: zero microservices exposure confirmed by candidate." }, { "evidence_id": "sj-v004-syn-016912-e2", "section": "summary", "source_type": "cv", "text": "Also worked wi...
{ "group_id": "system_design", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "verified_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-014601
0.1
0.1
{ "text": "Experience with Elasticsearch", "skill": "Elasticsearch", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-014601-e1", "section": "experience", "source_type": "cv", "text": "software engineer (2021-2024): built search features on elasticsearch." } ]
{ "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-025978
0.1
0.1
{ "text": "Solid PostgreSQL knowledge", "skill": "PostgreSQL", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-025978-e1", "section": "experience", "source_type": "cv", "text": "Experience: Frontend developer focused on CSS animations and design systems." } ]
{ "group_id": "data_storage", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "missing_skill", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v005-bl3-00083
0.1
0.1
{ "text": "Experience with state management", "skill": "state management", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v005-bl3-00083-e1", "section": "experience", "source_type": "cv", "text": "Over 3 years I used Redux in production features; feature owner, no design ownership." } ]
{ "group_id": "frontend", "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-012432
0.1
0.1
{ "text": "Working knowledge of caching strategy", "skill": "caching strategy", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-012432-e1", "section": "summary", "source_type": "cv", "text": "Self-motivated developer who enjoys challenges." } ]
{ "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-syn-022223
0.1
0.1
{ "text": "Expert-level distributed consistency", "skill": "distributed consistency", "group_id": "system_design", "target_level": 3, "importance": "must" }
[]
{ "group_id": "system_design", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "easy", "case_type": "no_evidence", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-004344
0.1
0.1
{ "text": "Good understanding of Kafka", "skill": "Kafka", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-004344-e1", "section": "experience", "source_type": "cv", "text": "Under supervision I worked on small parts while the team built Kafka producers and consumers with retries." } ]
{ "group_id": "system_design", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "easy", "case_type": "below_target", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-02075
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-02075-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Developed a few maintenance tools to simplify trivial tasks (in Python, Bash)" } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "8d294f03-fd84-5b85-8a52-66bf221cbc10", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v006-c-00024
0.1
0.1
{ "text": "Strong GraphQL skills", "skill": "GraphQL", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v006-c-00024-e1", "section": "experience", "source_type": "cv", "text": "Six months of junior experience where I helped as the team built GraphQL resolvers for the mobile app." } ]
{ "group_id": "api_design", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "contrast_partial_supported", "source": "synthetic_v006", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-05908
0.1
0.1
{ "text": "Strong mentoring skills", "skill": "mentoring", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-05908-e1", "section": "cv_excerpt", "source_type": "cv", "text": "L1 Support Engineer, MobiChord, Kyiv, Ukraine Working as a Telecom Manager (Fulfilment); Working as a Samsung Technical Support (using White lable);" } ]
{ "group_id": "leadership", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "6ed91a17-c466-59b0-8797-c59859528704", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-real-01476
0.1
0.1
{ "text": "CI/CD experience", "skill": "CI/CD", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-01476-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Designed and implemented a CI/CD pipeline for hybrid Ionic/Capacitor apps using Appcenter, accelerating the delivery process for QA testing by 30%." } ]
{ "group_id": "cloud_devops", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "hard", "case_type": "real_strong_ownership", "source": "djinni_cv_en", "source_record": "e129d13c-9260-5b92-b1bd-737a1f4820ce", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": ...
sj-v006-c-00420
0.1
0.1
{ "text": "Strong Java skills", "skill": "Java", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v006-c-00420-e1", "section": "experience", "source_type": "cv", "text": "My team designed a Java/Spring settlement engine processing $2B/yr and cut GC pauses 80%; I only wrote some tests around it." } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "contrast_partial_supported", "source": "synthetic_v006", "split": "train", "label_status": "synthetic_needs_review" }