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sj-v004-syn-015948
0.1
0.1
{ "text": "Strong AWS skills", "skill": "AWS", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-015948-e1", "section": "interview", "source_type": "interview", "text": "Screening: asked about AWS, candidate has not worked with it." } ]
{ "group_id": "cloud_devops", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "verified_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-022798
0.1
0.1
{ "text": "Strong CI/CD skills", "skill": "CI/CD", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-022798-e1", "section": "experience", "source_type": "cv", "text": "Did a CI/CD tutorial and a hello-world app on GitHub." }, { "evidence_id": "sj-v004-syn-022798-e2", "section": "summary", "source_type": "cv", "text": "Also worked with Git and Jira."...
{ "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-004826
0.1
0.1
{ "text": "Experience with GraphQL", "skill": "GraphQL", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-004826-e1", "section": "experience", "source_type": "cv", "text": "Did a GraphQL tutorial and a hello-world app on GitHub." }, { "evidence_id": "sj-v004-syn-004826-e2", "section": "summary", "source_type": "cv", "text": "B.Sc. in Computer Science." ...
{ "group_id": "api_design", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "easy", "case_type": "toy_project", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-027802
0.1
0.1
{ "text": "Hands-on Go", "skill": "Go", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-027802-e1", "section": "experience", "source_type": "cv", "text": "Under supervision I worked on small parts while the team built Go microservices and fixed production bugs." }, { "evidence_id": "sj-v004-syn-027802-e2", "section": "summary", "source_type...
{ "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-021836
0.1
0.1
{ "text": "technical design docs experience", "skill": "technical design docs", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-021836-e1", "section": "experience", "source_type": "cv", "text": "Contributed peripheral tickets to a project where the team authored RFCs that set architecture direction for the org." }, { "evidence_id": "sj-v004-syn-021836-e2", "section": "summary", "...
{ "group_id": "leadership", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "team_credit", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-01296
0.1
0.1
{ "text": "Proven React in production", "skill": "React", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-01296-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Technologies: React, Redux(RTK, Selectors, Thunk), Sass, TypeScript, ChartJS, Ttag, ElectronJS," } ]
{ "group_id": "frontend", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_keyword_list", "source": "djinni_cv_en", "source_record": "53cfde98-b24b-5441-8f8e-a4bceba0da58", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2"...
sj-v004-real-00408
0.1
0.1
{ "text": "Proven Terraform in production", "skill": "Terraform", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-00408-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Created and continue to support popular open-source Terraform modules that I developed, with over 700k downloads." } ]
{ "group_id": "cloud_devops", "evidence_label": "supported", "proficiency_label": "5" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "439ca252-5958-5520-aef3-e4bb2bd023b1", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": "v0.2" }
sj-v004-real-04005
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-04005-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Developed applications in Python" } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "27e458bb-be51-5504-b7b5-6fd8ba2f0e10", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v005-bl4-00818
0.1
0.1
{ "text": "Production Kafka skills", "skill": "Kafka", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v005-bl4-00818-e1", "section": "experience", "source_type": "cv", "text": "Designed and led: designed a Kafka event backbone processing 50M events/day with exactly-once via outbox, with measurable outcomes." } ]
{ "group_id": "system_design", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "hard", "case_type": "boundary_l4", "source": "synthetic_v005", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-004671
0.1
0.1
{ "text": "Practical Rust experience", "skill": "Rust", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[]
{ "group_id": "lang_core", "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-015144
0.1
0.1
{ "text": "Working knowledge of state management", "skill": "state management", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-015144-e1", "section": "experience", "source_type": "cv", "text": "backend engineer, go and postgresql, 7 years." } ]
{ "group_id": "frontend", "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-021318
0.1
0.1
{ "text": "Experience with OpenAPI", "skill": "OpenAPI", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-021318-e1", "section": "experience", "source_type": "cv", "text": "was part of a team that introduced contract-first openapi workflow with generated sdks; i worked on smaller tickets around it." } ]
{ "group_id": "api_design", "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-019135
0.1
0.1
{ "text": "Practical monitoring experience", "skill": "monitoring", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-019135-e1", "section": "interview", "source_type": "interview", "text": "Interview notes: candidate stated they never used monitoring." } ]
{ "group_id": "reliability_obs", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "verified_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-019158
0.1
0.1
{ "text": "static analysis experience", "skill": "static analysis", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-019158-e1", "section": "summary", "source_type": "cv", "text": "Advanced static analysis skills; strong static analysis background." } ]
{ "group_id": "testing_quality", "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-031292
0.1
0.1
{ "text": "Solid unit testing knowledge", "skill": "unit testing", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-031292-e1", "section": "education", "source_type": "cv", "text": "University course project using unit testing for a simple CRUD demo." }, { "evidence_id": "sj-v004-syn-031292-e2", "section": "summary", "source_type": "cv", "text": "Also worked with ...
{ "group_id": "testing_quality", "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-05913
0.1
0.1
{ "text": "Strong Terraform skills", "skill": "Terraform", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-05913-e1", "section": "cv_excerpt", "source_type": "cv", "text": "In collaboration with the Customer Success & Sales team successfully converted 17% of trial clients into paid ones Together with the Customer Success team made our input in clients LTV and retention - en...
{ "group_id": "cloud_devops", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "75bffdd9-27f1-5198-921a-2bdbe66178ce", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-syn-031267
0.1
0.1
{ "text": "Deep gRPC expertise", "skill": "gRPC", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-031267-e1", "section": "experience", "source_type": "cv", "text": "Tech lead who defined protobuf contracts and gRPC streaming APIs between 20 services, and mentored the team on gRPC practices." } ]
{ "group_id": "api_design", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-06961
0.1
0.1
{ "text": "Proven React in production", "skill": "React", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-06961-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Building of a technical structure for a Ukrainian outsource company with a Center of Excellence, Software design office, and Architecture office from scratch. Managed departments with more than 300 FTE f...
{ "group_id": "frontend", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "f2e171f1-1fc9-52cf-a56c-8fab394211b8", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-syn-002199
0.1
0.1
{ "text": "OAuth2/OIDC (must have)", "skill": "OAuth2/OIDC", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-002199-e1", "section": "interview", "source_type": "interview", "text": "Interview notes: candidate stated they never used OAuth2/OIDC." } ]
{ "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-syn-017185
0.1
0.1
{ "text": "Solid Rust knowledge", "skill": "Rust", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-017185-e1", "section": "education", "source_type": "cv", "text": "University course project using Rust for a simple CRUD demo." } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "easy", "case_type": "toy_project", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-016285
0.1
0.1
{ "text": "Commercial experience with hiring", "skill": "hiring", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-016285-e1", "section": "experience", "source_type": "cv", "text": "software engineer (2021-2024): conducted technical interviews." }, { "evidence_id": "sj-v004-syn-016285-e2", "section": "summary", "source_type": "cv", "text": "also worked with git 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-v004-syn-000269
0.1
0.1
{ "text": "Expert-level AWS", "skill": "AWS", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-000269-e1", "section": "summary", "source_type": "cv", "text": "Advanced AWS skills; strong AWS background." } ]
{ "group_id": "cloud_devops", "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-013354
0.1
0.1
{ "text": "Hands-on state management", "skill": "state management", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-013354-e1", "section": "experience", "source_type": "cv", "text": "Software engineer (2021-2024): used Redux in production features." } ]
{ "group_id": "frontend", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "easy", "case_type": "direct_moderate", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-010570
0.1
0.1
{ "text": "Commercial experience with Docker", "skill": "Docker", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-010570-e1", "section": "summary", "source_type": "cv", "text": "Docker: none so far." }, { "evidence_id": "sj-v004-syn-010570-e2", "section": "summary", "source_type": "cv", "text": "B.Sc. in Computer Science." } ]
{ "group_id": "cloud_devops", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "explicit_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-024595
0.1
0.1
{ "text": "Good understanding of gRPC", "skill": "gRPC", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-024595-e1", "section": "experience", "source_type": "cv", "text": "Was part of a team that defined protobuf contracts and gRPC streaming APIs between 20 services; I worked on smaller tickets around it." }, { "evidence_id": "sj-v004-syn-024595-e2", "section":...
{ "group_id": "api_design", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "team_credit", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v006-c-01794
0.1
0.1
{ "text": "Experience with database migrations", "skill": "database migrations", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v006-c-01794-e1", "section": "experience", "source_type": "cv", "text": "I personally led zero-downtime migration of 200 tables to a new schema." } ]
{ "group_id": "data_storage", "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-022593
0.1
0.1
{ "text": "Proven Kotlin in production", "skill": "Kotlin", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-022593-e1", "section": "experience", "source_type": "cv", "text": "Lead engineer 2018-2023: designed Kotlin coroutine-based backend for 5M MAU app." } ]
{ "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-028335
0.1
0.1
{ "text": "Strong event-driven architecture skills", "skill": "event-driven architecture", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-028335-e1", "section": "experience", "source_type": "cv", "text": "Our squad designed saga-based event-driven checkout across 6 services; I mainly fixed bugs and wrote docs." } ]
{ "group_id": "system_design", "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-011590
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-011590-e1", "section": "experience", "source_type": "cv", "text": "Principal engineer: architected .NET 8 order platform across 12 services; recognized as C#/.NET authority and gave conference talks on it." }, { "evidence_id": "sj-v004-syn-011590-e2", "secti...
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "5" }
{ "difficulty": "easy", "case_type": "expert", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-027303
0.1
0.1
{ "text": "Practical integration testing experience", "skill": "integration testing", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-027303-e1", "section": "experience", "source_type": "cv", "text": "Under supervision I worked on small parts while the team wrote integration tests against real databases." } ]
{ "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-05840
0.1
0.1
{ "text": "Proven React in production", "skill": "React", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-05840-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Prepared more than 20 large scale Power BI/Excel dashboards. Prepared one end-to-end ML project in the air transportation field that results sent to the President Administration for approval. Successfull...
{ "group_id": "frontend", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "92341cfa-53f7-5351-9141-d65e77eb47ad", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": "v0...
sj-v004-syn-010909
0.1
0.1
{ "text": "authorization (RBAC) experience", "skill": "authorization (RBAC)", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-010909-e1", "section": "experience", "source_type": "cv", "text": "Delivered features end-to-end where I implemented role checks in APIs." } ]
{ "group_id": "security", "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-024394
0.1
0.1
{ "text": "Working knowledge of encryption", "skill": "encryption", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-024394-e1", "section": "summary", "source_type": "cv", "text": "Advanced encryption skills; strong encryption 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-real-06912
0.1
0.1
{ "text": "Strong Node.js skills", "skill": "Node.js", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-06912-e1", "section": "cv_excerpt", "source_type": "cv", "text": "After the cyber attack \"Petya\" in June 2017 I've made the decision on the temporary relocation and organization of relocation of the office work to another location in another country in order to preve...
{ "group_id": "lang_core", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "10b6f6ba-e3e2-563c-9bc2-914f07024f17", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-syn-010377
0.1
0.1
{ "text": "Practical accessibility experience", "skill": "accessibility", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-010377-e1", "section": "experience", "source_type": "cv", "text": "Under supervision I worked on small parts while the team fixed accessibility issues reported by QA." } ]
{ "group_id": "frontend", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "easy", "case_type": "below_target", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-012359
0.1
0.1
{ "text": "Docker (must have)", "skill": "Docker", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-012359-e1", "section": "summary", "source_type": "cv", "text": "i have not used docker professionally or in projects; my experience is in other areas." } ]
{ "group_id": "cloud_devops", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "explicit_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-007139
0.1
0.1
{ "text": "Practical AWS experience", "skill": "AWS", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-007139-e1", "section": "experience", "source_type": "cv", "text": "Staff+ engineer who designed AWS multi-account landing zone (EKS, RDS, IAM) for the company, setting AWS standards across the organization." }, { "evidence_id": "sj-v004-syn-007139-e2", "sect...
{ "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-003078
0.1
0.1
{ "text": "Expert-level Go", "skill": "Go", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-003078-e1", "section": "experience", "source_type": "cv", "text": "Main stack: Rust. Delivered several production projects with it." } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "adjacent_tech", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-017639
0.1
0.1
{ "text": "Hands-on monitoring", "skill": "monitoring", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-017639-e1", "section": "experience", "source_type": "cv", "text": "Claimed: built the company observability stack (Prometheus, Grafana) and SLO program." }, { "evidence_id": "sj-v004-syn-017639-e2", "section": "interview", "source_type": "interview", ...
{ "group_id": "reliability_obs", "evidence_label": "contradicted", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "cv_vs_interview", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-027407
0.1
0.1
{ "text": "Hands-on database migrations", "skill": "database migrations", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-027407-e1", "section": "experience", "source_type": "cv", "text": "Software engineer (2021-2024): 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-v004-real-03710
0.1
0.1
{ "text": "Proven REST API design in production", "skill": "REST API design", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-03710-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Developed a mobile app using the principles of REST API and data storage in Android apps." } ]
{ "group_id": "api_design", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "676e5eec-3a67-5f94-a13c-3ba8d2665c13", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-016411
0.1
0.1
{ "text": "Experience with microservices", "skill": "microservices", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-016411-e1", "section": "experience", "source_type": "cv", "text": "Senior engineer (2019-2024): architected the monolith-to-microservices split into 25 services with clear boundaries." }, { "evidence_id": "sj-v004-syn-016411-e2", "section": "summary", "s...
{ "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-019005
0.1
0.1
{ "text": "Good understanding of authorization (RBAC)", "skill": "authorization (RBAC)", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-019005-e1", "section": "experience", "source_type": "cv", "text": "Senior backend developer; key achievement: designed fine-grained RBAC/ABAC service used by all products." } ]
{ "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-003526
0.1
0.1
{ "text": "Practical microservices experience", "skill": "microservices", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-003526-e1", "section": "experience", "source_type": "cv", "text": "Our squad architected the monolith-to-microservices split into 25 services with clear boundaries; I mainly fixed bugs and wrote docs." }, { "evidence_id": "sj-v004-syn-003526-e2", "section": ...
{ "group_id": "system_design", "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-007734
0.1
0.1
{ "text": "Strong Node.js skills", "skill": "Node.js", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-007734-e1", "section": "interview", "source_type": "interview", "text": "Candidate confirmed they have never worked with Node.js." } ]
{ "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-002191
0.1
0.1
{ "text": "React experience", "skill": "React", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-002191-e1", "section": "skills_list", "source_type": "cv", "text": "Keywords: Agile, React, Linux, REST" } ]
{ "group_id": "frontend", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-015944
0.1
0.1
{ "text": "Proven technical design docs in production", "skill": "technical design docs", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-015944-e1", "section": "skills_list", "source_type": "cv", "text": "Skills: technical design docs, Git, Jira, Agile, Linux" } ]
{ "group_id": "leadership", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-009604
0.1
0.1
{ "text": "Strong TDD skills", "skill": "TDD", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-009604-e1", "section": "experience", "source_type": "cv", "text": "Senior backend developer; key achievement: coached teams on TDD and ran katas; team defect rate dropped 50%." } ]
{ "group_id": "testing_quality", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-06770
0.1
0.1
{ "text": "Proven C#/.NET in production", "skill": "C#/.NET", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-06770-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Experienced with debugging tools, profiling. Increasing web performance 2010-2011 - Front engineer." } ]
{ "group_id": "lang_core", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "c6e61d5e-253a-53aa-bd66-bf20d2177554", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v005-bl5-01480
0.1
0.1
{ "text": "Production Kubernetes skills", "skill": "Kubernetes", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v005-bl5-01480-e1", "section": "experience", "source_type": "cv", "text": "Organization-level owner of Kubernetes strategy: designed multi-cluster Kubernetes platform with autoscaling and GitOps for 40 services, consulted by every team." } ]
{ "group_id": "cloud_devops", "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-021042
0.1
0.1
{ "text": "Expert-level GCP", "skill": "GCP", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-021042-e1", "section": "experience", "source_type": "cv", "text": "Software engineer (2021-2024): ran services on Cloud Run and Cloud SQL." }, { "evidence_id": "sj-v004-syn-021042-e2", "section": "summary", "source_type": "cv", "text": "Based in Euro...
{ "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-v008-cv-00261
0.1
0.1
{ "text": "Experience with Kafka", "skill": "Kafka", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-00261-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Covered Kafka fundamentals and exercises in a training program." } ]
{ "group_id": "system_design", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "convention_v02", "source": "synthetic_v008", "split": "train", "label_status": "synthetic_convention_v0.2" }
sj-v005-bl3-00086
0.1
0.1
{ "text": "Solid performance tuning knowledge", "skill": "performance tuning", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v005-bl3-00086-e1", "section": "experience", "source_type": "cv", "text": "In my current job I fixed N+1 queries and memory leaks and fix issues without help." } ]
{ "group_id": "reliability_obs", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "boundary_l3", "source": "synthetic_v005", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-011681
0.1
0.1
{ "text": "Strong hands-on Terraform background", "skill": "Terraform", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-011681-e1", "section": "skills_list", "source_type": "cv", "text": "Tools: Git, Terraform, Docker, Postman, Jira" }, { "evidence_id": "sj-v004-syn-011681-e2", "section": "summary", "source_type": "cv", "text": "Agile/Scrum teams of 5-8 people." } ]
{ "group_id": "cloud_devops", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-006412
0.1
0.1
{ "text": "Practical Kubernetes experience", "skill": "Kubernetes", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[]
{ "group_id": "cloud_devops", "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-012986
0.1
0.1
{ "text": "Expert-level SLO/SLI", "skill": "SLO/SLI", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-012986-e1", "section": "experience", "source_type": "cv", "text": "Resume claims they defined SLOs and error budgets adopted by engineering leadership." }, { "evidence_id": "sj-v004-syn-012986-e2", "section": "interview", "source_type": "interview", ...
{ "group_id": "reliability_obs", "evidence_label": "contradicted", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "cv_vs_interview", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-025713
0.1
0.1
{ "text": "caching strategy (must have)", "skill": "caching strategy", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-025713-e1", "section": "skills_list", "source_type": "cv", "text": "Skills: caching strategy, Git, Jira, Agile, Linux" } ]
{ "group_id": "system_design", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-022347
0.1
0.1
{ "text": "Hands-on Kubernetes", "skill": "Kubernetes", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-022347-e1", "section": "skills_list", "source_type": "cv", "text": "keywords: agile, kubernetes, linux, rest" }, { "evidence_id": "sj-v004-syn-022347-e2", "section": "summary", "source_type": "cv", "text": "based in europe, open to remote." } ]
{ "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-015159
0.1
0.1
{ "text": "Proven secrets management in production", "skill": "secrets management", "group_id": "security", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-015159-e1", "section": "experience", "source_type": "cv", "text": "Day to day I used AWS Secrets Manager in services on my own." } ]
{ "group_id": "security", "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-002427
0.1
0.1
{ "text": "Practical static analysis experience", "skill": "static analysis", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-002427-e1", "section": "skills_list", "source_type": "cv", "text": "Tools: Git, static analysis, Docker, Postman, Jira" } ]
{ "group_id": "testing_quality", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-007548
0.1
0.1
{ "text": "Experience with Java", "skill": "Java", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-007548-e1", "section": "summary", "source_type": "cv", "text": "Advanced Java skills; strong Java background." } ]
{ "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-v004-real-05814
0.1
0.1
{ "text": "Python experience", "skill": "Python", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-05814-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Build pages web POS software using Bootstrap Vue, SCSS (SASS). Build pages web POS software using Bootstrap React, Reduxjs/toolkit. Teamwork using Jira, Bitbucket, Slack, Hubstaff, Asana." } ]
{ "group_id": "lang_core", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "73eac47e-14cd-5eea-9090-96a11aae586f", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v003-rtr-0066
0.1
0.1
{ "text": "Strong Go skills", "skill": "Go", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v003-rtr-0066-e1", "section": "cv_excerpt", "source_type": "cv", "text": "I am an experienced software developer with 8 years of experience, which includes about the last 2 years of working as an SRE/DevOps and 2 years as a Backend team lead(Golang, Nodejs)." } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "hard", "case_type": "real_years_hands_on", "source": "djinni_cv_en", "source_record": "13cd88c8-df7c-535f-b4f9-fa38dc8ced48", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": "v...
sj-v004-real-04356
0.1
0.1
{ "text": "Strong Python skills", "skill": "Python", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-04356-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Skills: JavaScript, Python, Apache Nifi, CouchDB" } ]
{ "group_id": "lang_core", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_keyword_list", "source": "djinni_cv_en", "source_record": "faa4c69e-2c4a-56e6-9e4a-a897157bdd57", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2"...
sj-v004-syn-010333
0.1
0.1
{ "text": "PostgreSQL experience", "skill": "PostgreSQL", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-010333-e1", "section": "experience", "source_type": "cv", "text": "3 years: built production systems with mysql, a close alternative to postgresql." } ]
{ "group_id": "data_storage", "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-012521
0.1
0.1
{ "text": "Working knowledge of SLO/SLI", "skill": "SLO/SLI", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-012521-e1", "section": "projects", "source_type": "portfolio", "text": "Case study: defined SLOs and error budgets adopted by engineering leadership. 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-004398
0.1
0.1
{ "text": "Practical Elasticsearch experience", "skill": "Elasticsearch", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-004398-e1", "section": "experience", "source_type": "cv", "text": "Junior engineer (10 months): helped the team when it built search features on Elasticsearch, under a senior's guidance." } ]
{ "group_id": "data_storage", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "easy", "case_type": "below_target", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-06248
0.1
0.1
{ "text": "Kafka experience", "skill": "Kafka", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-06248-e1", "section": "cv_excerpt", "source_type": "cv", "text": "I have worked with Power BI (+Power Query), SQL, Alteryx, python, and API, working with Google Big Query and Data (Looker) Studio right now, and sometimes use Google Sheets. I want to grow into Data Scie...
{ "group_id": "system_design", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "9ecb8960-1aa7-57e5-950c-a2ef1d4e8c7f", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-syn-003286
0.1
0.1
{ "text": "AWS experience", "skill": "AWS", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-003286-e1", "section": "experience", "source_type": "cv", "text": "Independently deployed services on AWS ECS and RDS; on-call owner for it." } ]
{ "group_id": "cloud_devops", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "easy", "case_type": "direct_moderate", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-020923
0.1
0.1
{ "text": "Practical OpenAPI experience", "skill": "OpenAPI", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-020923-e1", "section": "experience", "source_type": "cv", "text": "Lead engineer 2018-2023: introduced contract-first OpenAPI workflow with generated SDKs." } ]
{ "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-022696
0.1
0.1
{ "text": "Expert-level Java", "skill": "Java", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-022696-e1", "section": "experience", "source_type": "cv", "text": "Built and ran services using Kotlin; considering Java next." }, { "evidence_id": "sj-v004-syn-022696-e2", "section": "summary", "source_type": "cv", "text": "Agile/Scrum teams of 5-8 ...
{ "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-009684
0.1
0.1
{ "text": "Proven Java in production", "skill": "Java", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-009684-e1", "section": "skills_list", "source_type": "cv", "text": "Skills: Java, Git, Jira, Agile, Linux" }, { "evidence_id": "sj-v004-syn-009684-e2", "section": "summary", "source_type": "cv", "text": "Agile/Scrum teams of 5-8 people." } ]
{ "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-005487
0.1
0.1
{ "text": "Practical React experience", "skill": "React", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-005487-e1", "section": "projects", "source_type": "portfolio", "text": "Case study: architected React micro-frontend platform for 6 teams. Includes architecture diagrams and benchmark results." } ]
{ "group_id": "frontend", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-001591
0.1
0.1
{ "text": "Deep distributed consistency expertise", "skill": "distributed consistency", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-001591-e1", "section": "experience", "source_type": "cv", "text": "Senior backend developer; key achievement: designed idempotent, eventually consistent ledger with reconciliation." }, { "evidence_id": "sj-v004-syn-001591-e2", "section": "summary", "sour...
{ "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-012904
0.1
0.1
{ "text": "PostgreSQL (must have)", "skill": "PostgreSQL", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-012904-e1", "section": "interview", "source_type": "interview", "text": "Interview notes: candidate stated they never used PostgreSQL." } ]
{ "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-v008-cv-01078
0.1
0.1
{ "text": "Proven event-driven architecture in production", "skill": "event-driven architecture", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-01078-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Picked up event-driven architecture while working on a client project." } ]
{ "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-syn-011046
0.1
0.1
{ "text": "Solid REST API design knowledge", "skill": "REST API design", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-011046-e1", "section": "experience", "source_type": "cv", "text": "resume claims they designed a versioned public rest api (openapi) for 40+ partners with idempotency keys." }, { "evidence_id": "sj-v004-syn-011046-e2", "section": "interview", "source_typ...
{ "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-real-06412
0.1
0.1
{ "text": "Proven MongoDB in production", "skill": "MongoDB", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-06412-e1", "section": "cv_excerpt", "source_type": "cv", "text": "In my last project I took a part in developing some crucial parts of an application and created an E2E test framework from scratch as well as completed Microsoft Certificate Car trucking system that is u...
{ "group_id": "data_storage", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "8bcb0245-72a3-53b8-908d-762c60638676", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-syn-004392
0.1
0.1
{ "text": "Solid accessibility knowledge", "skill": "accessibility", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-004392-e1", "section": "summary", "source_type": "cv", "text": "I have no experience with accessibility at all." } ]
{ "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-003466
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-003466-e1", "section": "summary", "source_type": "cv", "text": "I have no experience with performance tuning at all." } ]
{ "group_id": "reliability_obs", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "explicit_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-019003
0.1
0.1
{ "text": "Good understanding of AWS", "skill": "AWS", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-019003-e1", "section": "skills_list", "source_type": "cv", "text": "Stack: AWS, Jira, Confluence, Git" } ]
{ "group_id": "cloud_devops", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-03391
0.1
0.1
{ "text": "Proven React in production", "skill": "React", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-03391-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Technologies: React, Redux, HTML5, SCSS" } ]
{ "group_id": "frontend", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_keyword_list", "source": "djinni_cv_en", "source_record": "66e322cd-087c-56e1-b702-74e6745f71c0", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2"...
sj-v004-syn-029866
0.1
0.1
{ "text": "Production distributed tracing skills", "skill": "distributed tracing", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[]
{ "group_id": "reliability_obs", "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-009008
0.1
0.1
{ "text": "Hands-on code review", "skill": "code review", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-009008-e1", "section": "experience", "source_type": "cv", "text": "contributed peripheral tickets to a project where the team created code review guidelines and reviewed ~20 prs/week as tech lead." } ]
{ "group_id": "testing_quality", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "team_credit", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-016633
0.1
0.1
{ "text": "Strong React skills", "skill": "React", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-016633-e1", "section": "summary", "source_type": "cv", "text": "Haven't worked with React; my background is elsewhere." } ]
{ "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-002609
0.1
0.1
{ "text": "Hands-on caching strategy", "skill": "caching strategy", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-002609-e1", "section": "experience", "source_type": "cv", "text": "qa engineer writing manual test plans." } ]
{ "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-v006-c-01278
0.1
0.1
{ "text": "Strong CI/CD skills", "skill": "CI/CD", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v006-c-01278-e1", "section": "experience", "source_type": "cv", "text": "Built a small CI/CD demo app following an online tutorial." } ]
{ "group_id": "cloud_devops", "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-019288
0.1
0.1
{ "text": "Experience with Kafka", "skill": "Kafka", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-019288-e1", "section": "experience", "source_type": "cv", "text": "Owned the initiative where I designed a Kafka event backbone processing 50M events/day with exactly-once via outbox, and drove Kafka 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-012416
0.1
0.1
{ "text": "Expert-level Python", "skill": "Python", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-012416-e1", "section": "summary", "source_type": "cv", "text": "Expert in Python with 10 years of experience." }, { "evidence_id": "sj-v004-syn-012416-e2", "section": "summary", "source_type": "cv", "text": "Fluent English." } ]
{ "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-00170
0.1
0.1
{ "text": "Commercial web performance experience", "skill": "web performance", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v006-c-00170-e1", "section": "experience", "source_type": "cv", "text": "Used web performance on a small internal tool with help from a senior colleague." } ]
{ "group_id": "frontend", "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-007326
0.1
0.1
{ "text": "Practical event-driven architecture experience", "skill": "event-driven architecture", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-007326-e1", "section": "experience", "source_type": "cv", "text": "QA engineer writing manual test plans." } ]
{ "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-v006-c-01451
0.1
0.1
{ "text": "Commercial CI/CD experience", "skill": "CI/CD", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v006-c-01451-e1", "section": "experience", "source_type": "cv", "text": "Six months of junior experience where I helped as the team maintained GitHub Actions pipelines." } ]
{ "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-013612
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-013612-e1", "section": "experience", "source_type": "cv", "text": "Day to day I implemented gRPC services with deadlines and retries on my own." }, { "evidence_id": "sj-v004-syn-013612-e2", "section": "summary", "source_type": "cv", "text": "Fluent E...
{ "group_id": "api_design", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "easy", "case_type": "direct_moderate", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-003369
0.1
0.1
{ "text": "Proven C#/.NET in production", "skill": "C#/.NET", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-003369-e1", "section": "experience", "source_type": "cv", "text": "Mid-level developer: maintained ASP.NET Core APIs; shipped to production regularly." } ]
{ "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-019316
0.1
0.1
{ "text": "Good understanding of GraphQL", "skill": "GraphQL", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-019316-e1", "section": "skills_list", "source_type": "cv", "text": "Tools: Git, GraphQL, Docker, Postman, Jira" } ]
{ "group_id": "api_design", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-00627
0.1
0.1
{ "text": "Node.js experience", "skill": "Node.js", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-00627-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Mainly I've worked on Angular projects using JS, TypeScript, HTML, CSS, also have a bit experience with Node.JS, Express.js, MongoDB, Mongoose." } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "9c994461-3630-578f-9290-8e430fc21b00", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v006-c-01139
0.1
0.1
{ "text": "Commercial TypeScript (frontend) experience", "skill": "TypeScript (frontend)", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v006-c-01139-e1", "section": "experience", "source_type": "cv", "text": "Built a small TypeScript (frontend) demo app following an online tutorial." } ]
{ "group_id": "frontend", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "contrast_partial_supported", "source": "synthetic_v006", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-000365
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-000365-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-011064
0.1
0.1
{ "text": "Working knowledge of AWS", "skill": "AWS", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-011064-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-004146
0.1
0.1
{ "text": "Hands-on authorization (RBAC)", "skill": "authorization (RBAC)", "group_id": "security", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-004146-e1", "section": "experience", "source_type": "cv", "text": "Under supervision I worked on small parts while the team implemented role checks in APIs." } ]
{ "group_id": "security", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "easy", "case_type": "below_target", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }