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sj-v004-syn-007140
0.1
0.1
{ "text": "Deep Go expertise", "skill": "Go", "group_id": "lang_core", "target_level": 4, "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-v008-cv-00938
0.1
0.1
{ "text": "Strong C#/.NET skills", "skill": "C#/.NET", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-00938-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Would like to grow into C#/.NET development in the future." } ]
{ "group_id": "lang_core", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "convention_v02", "source": "synthetic_v008", "split": "train", "label_status": "synthetic_convention_v0.2" }
sj-v008-cv-01575
0.1
0.1
{ "text": "Experience with Terraform", "skill": "Terraform", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-01575-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Open to learning Terraform if the project needs it." } ]
{ "group_id": "cloud_devops", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "convention_v02", "source": "synthetic_v008", "split": "train", "label_status": "synthetic_convention_v0.2" }
sj-v006-c-01242
0.1
0.1
{ "text": "Experience with GCP", "skill": "GCP", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v006-c-01242-e1", "section": "experience", "source_type": "cv", "text": "Tried GCP in a weekend pet project to learn the basics." } ]
{ "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-009927
0.1
0.1
{ "text": "Working knowledge of distributed tracing", "skill": "distributed tracing", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-009927-e1", "section": "summary", "source_type": "cv", "text": "Fast learner, team player, results-driven." } ]
{ "group_id": "reliability_obs", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "easy", "case_type": "vague_claim", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-002983
0.1
0.1
{ "text": "Working knowledge of OWASP secure coding", "skill": "OWASP secure coding", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-002983-e1", "section": "experience", "source_type": "cv", "text": "CV: ran secure coding program and threat modeling for all new services." }, { "evidence_id": "sj-v004-syn-002983-e2", "section": "interview", "source_type": "interview", "text": "Inte...
{ "group_id": "security", "evidence_label": "contradicted", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "cv_vs_interview", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-028595
0.1
0.1
{ "text": "OpenAPI experience", "skill": "OpenAPI", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-028595-e1", "section": "experience", "source_type": "cv", "text": "assisted on tasks where the team wrote openapi specs for team services; picked tickets prepared by the lead." } ]
{ "group_id": "api_design", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "easy", "case_type": "below_target", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-04611
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-04611-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Course \"Python Programming Fundamentals\" CAMPSTER" } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "4bdf7636-09ea-5e33-bce9-547829d68187", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-024186
0.1
0.1
{ "text": "Expert-level MongoDB", "skill": "MongoDB", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-024186-e1", "section": "experience", "source_type": "cv", "text": "Main stack: DynamoDB. Delivered several production projects with it." } ]
{ "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-021022
0.1
0.1
{ "text": "Expert-level event-driven architecture", "skill": "event-driven architecture", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-021022-e1", "section": "skills_list", "source_type": "cv", "text": "keywords: agile, event-driven architecture, linux, rest" } ]
{ "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-030902
0.1
0.1
{ "text": "Strong scalable system design skills", "skill": "scalable system design", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-030902-e1", "section": "skills_list", "source_type": "cv", "text": "Technologies: Docker, scalable system design, Scrum, SQL" }, { "evidence_id": "sj-v004-syn-030902-e2", "section": "summary", "source_type": "cv", "text": "Based in Europe, open to re...
{ "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-v008-cv-00464
0.1
0.1
{ "text": "Production Node.js skills", "skill": "Node.js", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-00464-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Contributed to an e-commerce project (Node.js)." } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "convention_v02", "source": "synthetic_v008", "split": "train", "label_status": "synthetic_convention_v0.2" }
sj-v004-real-06288
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-06288-e1", "section": "cv_excerpt", "source_type": "cv", "text": "I grew from junior developer to a backend developer in a year At the current place of work, I am PHP backend developer. CMS integration with third party systems." } ]
{ "group_id": "lang_core", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "5fa77444-23c6-53df-b433-7f8c9369e523", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-syn-029099
0.1
0.1
{ "text": "MySQL (must have)", "skill": "MySQL", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-029099-e1", "section": "summary", "source_type": "cv", "text": "Strong problem solver, passionate about technology." } ]
{ "group_id": "data_storage", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "easy", "case_type": "vague_claim", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-01721
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-01721-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Completion course “Программирование на Python” (by Bioinformatics Institute, Stepik), November, 2019" } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "36f3a5c6-092e-5408-9817-ba9b6c14780e", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-008934
0.1
0.1
{ "text": "Good understanding of Python", "skill": "Python", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-008934-e1", "section": "projects", "source_type": "portfolio", "text": "case study: architected an async python (fastapi) platform serving 30 internal teams. includes architecture diagrams and benchmark results." } ]
{ "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-014611
0.1
0.1
{ "text": "Hands-on secrets management", "skill": "secrets management", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-014611-e1", "section": "experience", "source_type": "cv", "text": "Owned the initiative where I migrated all secrets to Vault with dynamic credentials, and drove secrets management decisions for the team." }, { "evidence_id": "sj-v004-syn-014611-e2", "sectio...
{ "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-029042
0.1
0.1
{ "text": "Practical accessibility experience", "skill": "accessibility", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-029042-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-006167
0.1
0.1
{ "text": "REST API design (must have)", "skill": "REST API design", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-006167-e1", "section": "interview", "source_type": "interview", "text": "Interview notes: candidate stated they never used REST API design." } ]
{ "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-bl4-01106
0.1
0.1
{ "text": "Hands-on GraphQL", "skill": "GraphQL", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v005-bl4-01106-e1", "section": "experience", "source_type": "cv", "text": "Senior engineer and design owner: designed a federated GraphQL schema with dataloader batching for 8 teams." } ]
{ "group_id": "api_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-022149
0.1
0.1
{ "text": "Proven API versioning in production", "skill": "API versioning", "group_id": "api_design", "target_level": 3, "importance": "must" }
[]
{ "group_id": "api_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-023351
0.1
0.1
{ "text": "Production distributed tracing skills", "skill": "distributed tracing", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-023351-e1", "section": "experience", "source_type": "cv", "text": "Independently instrumented services with OpenTelemetry; on-call owner for it." } ]
{ "group_id": "reliability_obs", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "easy", "case_type": "direct_moderate", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-029501
0.1
0.1
{ "text": "Working knowledge of PostgreSQL", "skill": "PostgreSQL", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-029501-e1", "section": "experience", "source_type": "cv", "text": "3 years: built production systems with MySQL, a close alternative to PostgreSQL." }, { "evidence_id": "sj-v004-syn-029501-e2", "section": "summary", "source_type": "cv", "text": "Also...
{ "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-real-00364
0.1
0.1
{ "text": "Strong Python skills", "skill": "Python", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-00364-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Finished \"Machine Learning Scientist with Python\" certificate program at DataCamp and additional courses in Deep Learning, NLP, Statistics, and Data Visualization." } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "55552518-f258-530e-9021-4e34de35c91f", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-005070
0.1
0.1
{ "text": "Deep code review expertise", "skill": "code review", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-005070-e1", "section": "interview", "source_type": "interview", "text": "Interview notes: candidate stated they never used code review." } ]
{ "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-003024
0.1
0.1
{ "text": "Good understanding of gRPC", "skill": "gRPC", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-003024-e1", "section": "experience", "source_type": "cv", "text": "For 2.5 years I implemented gRPC services with deadlines and retries as the main developer of the service." } ]
{ "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-018596
0.1
0.1
{ "text": "Expert-level OpenAPI", "skill": "OpenAPI", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-018596-e1", "section": "experience", "source_type": "cv", "text": "Intern then junior: with help from the lead, I contributed while the team wrote OpenAPI specs for team services." } ]
{ "group_id": "api_design", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "easy", "case_type": "below_target", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-013453
0.1
0.1
{ "text": "Proven Docker in production", "skill": "Docker", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-013453-e1", "section": "experience", "source_type": "cv", "text": "For 2.5 years I containerized services with Docker as the main developer of the service." }, { "evidence_id": "sj-v004-syn-013453-e2", "section": "summary", "source_type": "cv", "text...
{ "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-008720
0.1
0.1
{ "text": "Production gRPC skills", "skill": "gRPC", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-008720-e1", "section": "experience", "source_type": "cv", "text": "Intern then junior: with help from the lead, I contributed while the team implemented gRPC services with deadlines and retries." } ]
{ "group_id": "api_design", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "easy", "case_type": "below_target", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v008-cv-00554
0.1
0.1
{ "text": "Strong monitoring skills", "skill": "monitoring", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-00554-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Contributed to an e-commerce project (monitoring)." } ]
{ "group_id": "reliability_obs", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "convention_v02", "source": "synthetic_v008", "split": "train", "label_status": "synthetic_convention_v0.2" }
sj-v004-real-02859
0.1
0.1
{ "text": "Python experience", "skill": "Python", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-02859-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Languages: C++, Python, SQL, R(basic)" } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_keyword_list", "source": "djinni_cv_en", "source_record": "fe026e6d-f4db-560f-aa3a-854c8bb3d166", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2"...
sj-v004-syn-003019
0.1
0.1
{ "text": "Good understanding of gRPC", "skill": "gRPC", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-003019-e1", "section": "summary", "source_type": "cv", "text": "Fast learner, team player, results-driven." } ]
{ "group_id": "api_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-002616
0.1
0.1
{ "text": "Expert-level Kubernetes", "skill": "Kubernetes", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-002616-e1", "section": "skills_list", "source_type": "cv", "text": "stack: kubernetes, 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-syn-003684
0.1
0.1
{ "text": "Experience with TypeScript (frontend)", "skill": "TypeScript (frontend)", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-003684-e1", "section": "experience", "source_type": "cv", "text": "was part of a team that led migration of 300k-line js frontend to strict typescript; i worked on smaller tickets around it." }, { "evidence_id": "sj-v004-syn-003684-e2", "section": "summary",...
{ "group_id": "frontend", "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-007345
0.1
0.1
{ "text": "Expert-level Python", "skill": "Python", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-007345-e1", "section": "experience", "source_type": "cv", "text": "In my last role I architected an async Python (FastAPI) platform serving 30 internal teams." }, { "evidence_id": "sj-v004-syn-007345-e2", "section": "summary", "source_type": "cv", "t...
{ "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-v005-bl5-01357
0.1
0.1
{ "text": "Experience with OpenAPI", "skill": "OpenAPI", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v005-bl5-01357-e1", "section": "experience", "source_type": "cv", "text": "Principal engineer, recognized expert: introduced contract-first OpenAPI workflow with generated SDKs; core maintainer of a popular OpenAPI project." } ]
{ "group_id": "api_design", "evidence_label": "supported", "proficiency_label": "5" }
{ "difficulty": "hard", "case_type": "boundary_l5", "source": "synthetic_v005", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-026955
0.1
0.1
{ "text": "Solid Docker knowledge", "skill": "Docker", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-026955-e1", "section": "summary", "source_type": "cv", "text": "docker guru, top expert level." }, { "evidence_id": "sj-v004-syn-026955-e2", "section": "summary", "source_type": "cv", "text": "b.sc. in computer science." } ]
{ "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-v006-c-01621
0.1
0.1
{ "text": "Experience with Elasticsearch", "skill": "Elasticsearch", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v006-c-01621-e1", "section": "experience", "source_type": "cv", "text": "Tried Elasticsearch in a weekend pet project to learn the basics." } ]
{ "group_id": "data_storage", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "contrast_partial_supported", "source": "synthetic_v006", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-006406
0.1
0.1
{ "text": "Commercial experience with Kafka", "skill": "Kafka", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-006406-e1", "section": "experience", "source_type": "cv", "text": "independently built kafka producers and consumers with retries; on-call owner for it." } ]
{ "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-000471
0.1
0.1
{ "text": "Proven Docker in production", "skill": "Docker", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-000471-e1", "section": "experience", "source_type": "cv", "text": "Junior engineer (10 months): helped the team when it containerized services with Docker, under a senior's guidance." } ]
{ "group_id": "cloud_devops", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "easy", "case_type": "below_target", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-03531
0.1
0.1
{ "text": "Strong Kubernetes skills", "skill": "Kubernetes", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-03531-e1", "section": "cv_excerpt", "source_type": "cv", "text": "So then I worked on QA/DevOps for a short time, where I had to work with docker, kubernetes, helm, anisible and sometimes terraform as well." } ]
{ "group_id": "cloud_devops", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "7a00027d-3c8c-55d5-a2ca-1bb7169109fc", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": "v0.2" }
sj-v004-syn-013456
0.1
0.1
{ "text": "Solid OWASP secure coding knowledge", "skill": "OWASP secure coding", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-013456-e1", "section": "experience", "source_type": "cv", "text": "CV: ran secure coding program and threat modeling for all new services." }, { "evidence_id": "sj-v004-syn-013456-e2", "section": "interview", "source_type": "interview", "text": "Inte...
{ "group_id": "security", "evidence_label": "contradicted", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "cv_vs_interview", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-031232
0.1
0.1
{ "text": "Solid Kafka knowledge", "skill": "Kafka", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-031232-e1", "section": "summary", "source_type": "cv", "text": "Kafka guru, top expert level." } ]
{ "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-028610
0.1
0.1
{ "text": "Proven caching strategy in production", "skill": "caching strategy", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-028610-e1", "section": "experience", "source_type": "cv", "text": "As distinguished engineer I designed multi-layer caching (CDN, Redis, local) cutting DB load 70%; I am the go-to caching strategy authority company-wide and publish on caching strategy." } ]
{ "group_id": "system_design", "evidence_label": "supported", "proficiency_label": "5" }
{ "difficulty": "easy", "case_type": "expert", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-001446
0.1
0.1
{ "text": "Strong hands-on gRPC background", "skill": "gRPC", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-001446-e1", "section": "experience", "source_type": "cv", "text": "Did a gRPC tutorial and a hello-world app on GitHub." } ]
{ "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-010137
0.1
0.1
{ "text": "Solid OAuth2/OIDC knowledge", "skill": "OAuth2/OIDC", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-010137-e1", "section": "skills_list", "source_type": "cv", "text": "Stack: OAuth2/OIDC, Jira, Confluence, Git" }, { "evidence_id": "sj-v004-syn-010137-e2", "section": "summary", "source_type": "cv", "text": "Based in Europe, open to remote." } ]
{ "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-real-06641
0.1
0.1
{ "text": "Proven PostgreSQL in production", "skill": "PostgreSQL", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-06641-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Six projects from idea to production. Certified AWS Architect/Developer (Associate) Design and implementation of data storage models for SQL and NoSQL databases." } ]
{ "group_id": "data_storage", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "ec79d01e-0a3b-544c-a4dc-0e7f7ab04803", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-syn-022491
0.1
0.1
{ "text": "Good understanding of Python", "skill": "Python", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-022491-e1", "section": "experience", "source_type": "cv", "text": "Trainee developer; shadowed seniors who shipped Django features and maintained them in production." } ]
{ "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-007556
0.1
0.1
{ "text": "Solid Java knowledge", "skill": "Java", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-007556-e1", "section": "projects", "source_type": "portfolio", "text": "Case study: designed a Java/Spring settlement engine processing $2B/yr and cut GC pauses 80%. Includes architecture diagrams and benchmark results." }, { "evidence_id": "sj-v004-syn-007556-e...
{ "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-v005-bl3-00319
0.1
0.1
{ "text": "Experience with incident response", "skill": "incident response", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v005-bl3-00319-e1", "section": "experience", "source_type": "cv", "text": "Regular contributor: took part in on-call and wrote postmortems across several releases." } ]
{ "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-003124
0.1
0.1
{ "text": "MySQL (must have)", "skill": "MySQL", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-003124-e1", "section": "experience", "source_type": "cv", "text": "in my last role i set up mysql semi-sync replication and online schema changes at 20k qps." } ]
{ "group_id": "data_storage", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-03608
0.1
0.1
{ "text": "Proven mentoring in production", "skill": "mentoring", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-03608-e1", "section": "cv_excerpt", "source_type": "cv", "text": "developed personal leadership qualities, mentored the team and raised his career from Junior to Team Lead positions." } ]
{ "group_id": "leadership", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "61ff94bb-e8ba-5116-b63e-5e9621ac3a5e", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-003669
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-003669-e1", "section": "skills_list", "source_type": "cv", "text": "Keywords: Agile, caching strategy, Linux, REST" } ]
{ "group_id": "system_design", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-06063
0.1
0.1
{ "text": "Proven mentoring in production", "skill": "mentoring", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-06063-e1", "section": "cv_excerpt", "source_type": "cv", "text": "there are no special achievements in IT yet, but in other areas where I have worked, there are significant achievements. I have the knowledge needed to develop web applications of various kinds and compl...
{ "group_id": "leadership", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "78e4075e-21a6-5d4e-a100-a494cb759974", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-syn-015889
0.1
0.1
{ "text": "Hands-on accessibility", "skill": "accessibility", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-015889-e1", "section": "experience", "source_type": "cv", "text": "Trainee developer; shadowed seniors who 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-025241
0.1
0.1
{ "text": "Practical monitoring experience", "skill": "monitoring", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-025241-e1", "section": "skills_list", "source_type": "cv", "text": "skills: monitoring, 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-009338
0.1
0.1
{ "text": "Practical AWS experience", "skill": "AWS", "group_id": "cloud_devops", "target_level": 4, "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-v006-c-00009
0.1
0.1
{ "text": "Experience with TypeScript (frontend)", "skill": "TypeScript (frontend)", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v006-c-00009-e1", "section": "experience", "source_type": "cv", "text": "My team led migration of 300k-line JS frontend to strict TypeScript; I only wrote some tests around it." } ]
{ "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-023289
0.1
0.1
{ "text": "Solid Node.js knowledge", "skill": "Node.js", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-023289-e1", "section": "experience", "source_type": "cv", "text": "Junior engineer (10 months): helped the team when it developed Express APIs and handled on-call issues, under a senior's guidance." }, { "evidence_id": "sj-v004-syn-023289-e2", "section": "su...
{ "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-004646
0.1
0.1
{ "text": "Production encryption skills", "skill": "encryption", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-004646-e1", "section": "summary", "source_type": "cv", "text": "encryption: none so far." } ]
{ "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-031346
0.1
0.1
{ "text": "Strong Node.js skills", "skill": "Node.js", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-031346-e1", "section": "experience", "source_type": "cv", "text": "Software engineer (2021-2024): developed Express APIs and handled on-call issues." } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "easy", "case_type": "direct_moderate", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-04089
0.1
0.1
{ "text": "Strong Go skills", "skill": "Go", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-04089-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Developed real estate event-based data-hub(microservices/Golang, full project cycle)" } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "9852d4cc-3e08-5a98-bebb-5a115fa1a932", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-010388
0.1
0.1
{ "text": "Expert-level TDD", "skill": "TDD", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-010388-e1", "section": "experience", "source_type": "cv", "text": "Experience: Technical writer producing API documentation." } ]
{ "group_id": "testing_quality", "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-009299
0.1
0.1
{ "text": "Kotlin experience", "skill": "Kotlin", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-009299-e1", "section": "summary", "source_type": "cv", "text": "I have not used Kotlin professionally or in projects; my experience is in other areas." } ]
{ "group_id": "lang_core", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "explicit_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-001585
0.1
0.1
{ "text": "Hands-on API versioning", "skill": "API versioning", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-001585-e1", "section": "experience", "source_type": "cv", "text": "experience: data analyst building tableau dashboards and sql reports." } ]
{ "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-v006-c-00533
0.1
0.1
{ "text": "Strong ownership skills", "skill": "ownership", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v006-c-00533-e1", "section": "experience", "source_type": "cv", "text": "Six months of junior experience where I helped as the team owned a service and its backlog." } ]
{ "group_id": "leadership", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "contrast_partial_supported", "source": "synthetic_v006", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-021293
0.1
0.1
{ "text": "mentoring (must have)", "skill": "mentoring", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-021293-e1", "section": "experience", "source_type": "cv", "text": "Under supervision I worked on small parts while the team mentored an intern." }, { "evidence_id": "sj-v004-syn-021293-e2", "section": "summary", "source_type": "cv", "text": "Also wor...
{ "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-v005-bl3-00597
0.1
0.1
{ "text": "Production incident response skills", "skill": "incident response", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v005-bl3-00597-e1", "section": "experience", "source_type": "cv", "text": "Regular contributor: took part in on-call and wrote postmortems across several releases." } ]
{ "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-real-03792
0.1
0.1
{ "text": "Proven REST API design in production", "skill": "REST API design", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-03792-e1", "section": "cv_excerpt", "source_type": "cv", "text": "built RESTful APIs for the front-end engineers" } ]
{ "group_id": "api_design", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "28bf0775-5d2c-5d15-a476-528c0252117c", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-027627
0.1
0.1
{ "text": "Strong hands-on encryption background", "skill": "encryption", "group_id": "security", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-027627-e1", "section": "experience", "source_type": "cv", "text": "Junior engineer (10 months): helped the team when it enabled TLS and field encryption for user data, under a senior's guidance." }, { "evidence_id": "sj-v004-syn-027627-e2", "section": "summa...
{ "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" }
sj-v004-syn-019509
0.1
0.1
{ "text": "Strong distributed consistency skills", "skill": "distributed consistency", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-019509-e1", "section": "experience", "source_type": "cv", "text": "Side project: small distributed consistency demo built while following an online course." } ]
{ "group_id": "system_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-026531
0.1
0.1
{ "text": "Strong hands-on Kotlin background", "skill": "Kotlin", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-026531-e1", "section": "experience", "source_type": "cv", "text": "For 2.5 years I built Ktor endpoints in production as the main developer of the service." }, { "evidence_id": "sj-v004-syn-026531-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-018544
0.1
0.1
{ "text": "Deep TDD expertise", "skill": "TDD", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-018544-e1", "section": "summary", "source_type": "cv", "text": "I have no experience with TDD at all." }, { "evidence_id": "sj-v004-syn-018544-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-023616
0.1
0.1
{ "text": "Strong Kubernetes skills", "skill": "Kubernetes", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-023616-e1", "section": "summary", "source_type": "cv", "text": "Expert in Kubernetes with 10 years of experience." } ]
{ "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-real-00798
0.1
0.1
{ "text": "C#/.NET experience", "skill": "C#/.NET", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-00798-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Familiar with: C#, TypeScript, JavaScript, MS SQL, HTML, CSS" } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "068b73ae-0672-5cb9-a7ac-1a5188e5c01d", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-020910
0.1
0.1
{ "text": "Strong hands-on Elasticsearch background", "skill": "Elasticsearch", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-020910-e1", "section": "experience", "source_type": "cv", "text": "Core contributor to the Elasticsearch ecosystem; designed Elasticsearch index strategy for 500M docs with relevance tuning." } ]
{ "group_id": "data_storage", "evidence_label": "supported", "proficiency_label": "5" }
{ "difficulty": "easy", "case_type": "expert", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-01688
0.1
0.1
{ "text": "Proven C#/.NET in production", "skill": "C#/.NET", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-01688-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Developed various applications using C#." } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "9b81c117-80b6-5fed-8ef4-87b33b732ecd", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-013294
0.1
0.1
{ "text": "Production distributed tracing skills", "skill": "distributed tracing", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-013294-e1", "section": "experience", "source_type": "cv", "text": "Assisted on tasks where the team instrumented services with OpenTelemetry; picked tickets prepared by the lead." }, { "evidence_id": "sj-v004-syn-013294-e2", "section": "summary", "source...
{ "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-031110
0.1
0.1
{ "text": "Solid encryption knowledge", "skill": "encryption", "group_id": "security", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-031110-e1", "section": "summary", "source_type": "cv", "text": "advanced encryption skills; strong encryption background." }, { "evidence_id": "sj-v004-syn-031110-e2", "section": "summary", "source_type": "cv", "text": "based in europe, open to remot...
{ "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-04360
0.1
0.1
{ "text": "Proven PostgreSQL in production", "skill": "PostgreSQL", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-04360-e1", "section": "cv_excerpt", "source_type": "cv", "text": "I worked on RESTApi for a new social platform, I have more two projects when we used classic server generated html (also used PhoenixLiveView in some modules) and the backend part on Elixir with Postgres...
{ "group_id": "data_storage", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "eef8b879-c3b4-55d6-bf1a-1616cc8ca656", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-023171
0.1
0.1
{ "text": "Production unit testing skills", "skill": "unit testing", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-023171-e1", "section": "experience", "source_type": "cv", "text": "Tech lead who set testing standards and raised coverage from 30% to 85% across the org, and mentored the team on unit testing practices." } ]
{ "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-03763
0.1
0.1
{ "text": "Proven Java in production", "skill": "Java", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-03763-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Have basic knowledge of Java, JSON, HTTP requests." } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "3c44862e-e55e-576b-b46d-1d47eb3857b3", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-024202
0.1
0.1
{ "text": "Working knowledge of hiring", "skill": "hiring", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-024202-e1", "section": "experience", "source_type": "cv", "text": "In my last role I designed the backend interview loop and conducted 150+ interviews." }, { "evidence_id": "sj-v004-syn-024202-e2", "section": "summary", "source_type": "cv", "text": "...
{ "group_id": "leadership", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-010270
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-010270-e1", "section": "skills_list", "source_type": "cv", "text": "Technologies: Docker, unit testing, Scrum, SQL" } ]
{ "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-029059
0.1
0.1
{ "text": "Hands-on SLO/SLI", "skill": "SLO/SLI", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-029059-e1", "section": "experience", "source_type": "cv", "text": "Trainee developer; shadowed seniors who defined SLIs for team services." }, { "evidence_id": "sj-v004-syn-029059-e2", "section": "summary", "source_type": "cv", "text": "B.Sc. in Comp...
{ "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-027567
0.1
0.1
{ "text": "Production code review skills", "skill": "code review", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-027567-e1", "section": "experience", "source_type": "cv", "text": "for 2.5 years i reviewed teammates' pull requests as the main developer of the service." } ]
{ "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-006000
0.1
0.1
{ "text": "web performance (must have)", "skill": "web performance", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-006000-e1", "section": "experience", "source_type": "cv", "text": "cv: improved core web vitals (lcp 4.1s to 1.6s) across the storefront." }, { "evidence_id": "sj-v004-syn-006000-e2", "section": "interview", "source_type": "interview", "text": "inter...
{ "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-02543
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-02543-e1", "section": "cv_excerpt", "source_type": "cv", "text": "For the last year, I have been actively studying Unity and I am able to write modular C# scripts that easily extend the game logic." } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "38d4b474-9894-5d7d-9652-ad9d7cb0a7f4", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-003007
0.1
0.1
{ "text": "Experience with Kafka", "skill": "Kafka", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-003007-e1", "section": "experience", "source_type": "cv", "text": "Software engineer (2021-2024): built Kafka producers and consumers with retries." }, { "evidence_id": "sj-v004-syn-003007-e2", "section": "summary", "source_type": "cv", "text": "Base...
{ "group_id": "system_design", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "easy", "case_type": "direct_moderate", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-04802
0.1
0.1
{ "text": "Strong C#/.NET skills", "skill": "C#/.NET", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-04802-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Front and back-ends were built with ASP.NET Core MVC." } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "2cfe854d-4173-5da3-80ec-0f8f18669d2e", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-013022
0.1
0.1
{ "text": "Practical monitoring experience", "skill": "monitoring", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-013022-e1", "section": "summary", "source_type": "cv", "text": "Haven't worked with monitoring; my background is elsewhere." }, { "evidence_id": "sj-v004-syn-013022-e2", "section": "summary", "source_type": "cv", "text": "Fluent English." } ]
{ "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-004805
0.1
0.1
{ "text": "Expert-level microservices", "skill": "microservices", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-004805-e1", "section": "summary", "source_type": "cv", "text": "I have not used microservices professionally or in projects; my experience is in other areas." } ]
{ "group_id": "system_design", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "explicit_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-016848
0.1
0.1
{ "text": "Hands-on Redis", "skill": "Redis", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-016848-e1", "section": "experience", "source_type": "cv", "text": "Senior engineer (2019-2024): designed Redis cluster caching and rate limiting serving 100k ops/s." } ]
{ "group_id": "data_storage", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-024586
0.1
0.1
{ "text": "Proven ownership in production", "skill": "ownership", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-024586-e1", "section": "experience", "source_type": "cv", "text": "Contributed peripheral tickets to a project where the team owned the payments domain end-to-end including roadmap and on-call." }, { "evidence_id": "sj-v004-syn-024586-e2", "section": "summar...
{ "group_id": "leadership", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "team_credit", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-028304
0.1
0.1
{ "text": "Production technical design docs skills", "skill": "technical design docs", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-028304-e1", "section": "experience", "source_type": "cv", "text": "Team member on the payments squad (2021-2024)." } ]
{ "group_id": "leadership", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "missing_skill", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v005-bl3-00204
0.1
0.1
{ "text": "Strong scalable system design skills", "skill": "scalable system design", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v005-bl3-00204-e1", "section": "experience", "source_type": "cv", "text": "Regular contributor: designed a single service including data model and failure modes across several releases." } ]
{ "group_id": "system_design", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "boundary_l3", "source": "synthetic_v005", "split": "train", "label_status": "synthetic_needs_review" }
sj-v005-bl3-00579
0.1
0.1
{ "text": "Solid CI/CD knowledge", "skill": "CI/CD", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v005-bl3-00579-e1", "section": "experience", "source_type": "cv", "text": "Mid-level engineer for 2 years: maintained GitHub Actions pipelines; handled the on-call for it." } ]
{ "group_id": "cloud_devops", "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-01863
0.1
0.1
{ "text": "Commercial microservices experience", "skill": "microservices", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-01863-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Implemented multiple systems with tools like microservices, C++, Bash and Python." } ]
{ "group_id": "system_design", "evidence_label": "partial", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "convention_v02", "source": "synthetic_v008", "split": "train", "label_status": "synthetic_convention_v0.2" }
sj-v004-syn-023001
0.1
0.1
{ "text": "Practical Rust experience", "skill": "Rust", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-023001-e1", "section": "summary", "source_type": "cv", "text": "Expert in Rust with 10 years of experience." }, { "evidence_id": "sj-v004-syn-023001-e2", "section": "summary", "source_type": "cv", "text": "Based in Europe, open to remote." } ]
{ "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-06821
0.1
0.1
{ "text": "Proven MongoDB in production", "skill": "MongoDB", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-06821-e1", "section": "cv_excerpt", "source_type": "cv", "text": "TURANBANK MOBİLEBANK ANDROİD APP Migrate from Kotlin synthetics to Jetpack view binding Migrate Dagger to Hilt solved bad designed structure" } ]
{ "group_id": "data_storage", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "9efe4950-c650-5e17-97db-239678bbefa6", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...