id
stringlengths
12
18
schema_version
stringclasses
1 value
taxonomy_version
stringclasses
1 value
requirement
unknown
evidence
listlengths
0
3
labels
dict
meta
unknown
sj-v004-syn-030015
0.1
0.1
{ "text": "Strong hands-on TDD background", "skill": "TDD", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-030015-e1", "section": "experience", "source_type": "cv", "text": "Delivered features end-to-end where I practiced TDD on daily features." }, { "evidence_id": "sj-v004-syn-030015-e2", "section": "summary", "source_type": "cv", "text": "B.Sc. in Compu...
{ "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-010492
0.1
0.1
{ "text": "Solid SLO/SLI knowledge", "skill": "SLO/SLI", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-010492-e1", "section": "summary", "source_type": "cv", "text": "SLO/SLI: none so far." } ]
{ "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-v008-cv-00846
0.1
0.1
{ "text": "Hands-on OWASP secure coding", "skill": "OWASP secure coding", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-00846-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Delivered several projects using these technologies: OWASP secure coding, PHP, JavaScript, MySQL." } ]
{ "group_id": "security", "evidence_label": "partial", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "convention_v02", "source": "synthetic_v008", "split": "train", "label_status": "synthetic_convention_v0.2" }
sj-v004-real-02193
0.1
0.1
{ "text": "Strong Java skills", "skill": "Java", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-02193-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Developed and maintained Android applications using Kotlin, Java, and Flutter." } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "19d997fd-5532-590a-aa17-ab3a810ee9d6", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": "v0.2" }
sj-v004-syn-029716
0.1
0.1
{ "text": "authorization (RBAC) (must have)", "skill": "authorization (RBAC)", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-029716-e1", "section": "experience", "source_type": "cv", "text": "Mid-level developer: implemented role checks in APIs; shipped to production regularly." } ]
{ "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-v005-bl5-01425
0.1
0.1
{ "text": "Production encryption skills", "skill": "encryption", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v005-bl5-01425-e1", "section": "experience", "source_type": "cv", "text": "Company-wide encryption authority: designed envelope encryption with KMS for PII at rest; defined the encryption standards all teams follow and speak at conferences." } ]
{ "group_id": "security", "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-021056
0.1
0.1
{ "text": "Proven Node.js in production", "skill": "Node.js", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-021056-e1", "section": "skills_list", "source_type": "cv", "text": "Tools: Git, Node.js, Docker, Postman, Jira" } ]
{ "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-v006-c-00452
0.1
0.1
{ "text": "Experience with event-driven architecture", "skill": "event-driven architecture", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v006-c-00452-e1", "section": "experience", "source_type": "cv", "text": "Built a small event-driven architecture demo app following an online tutorial." } ]
{ "group_id": "system_design", "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-006519
0.1
0.1
{ "text": "Deep Rust expertise", "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-018625
0.1
0.1
{ "text": "Commercial experience with microservices", "skill": "microservices", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-018625-e1", "section": "experience", "source_type": "cv", "text": "Was part of a team that architected the monolith-to-microservices split into 25 services with clear boundaries; I worked on smaller tickets around it." } ]
{ "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-029331
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-029331-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-029331-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-029968
0.1
0.1
{ "text": "Expert-level caching strategy", "skill": "caching strategy", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-029968-e1", "section": "experience", "source_type": "cv", "text": "For 2.5 years I implemented cache-aside for hot endpoints as the main developer of the service." }, { "evidence_id": "sj-v004-syn-029968-e2", "section": "summary", "source_type": "cv", ...
{ "group_id": "system_design", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "easy", "case_type": "direct_moderate", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v005-bl3-00290
0.1
0.1
{ "text": "Experience with Terraform", "skill": "Terraform", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v005-bl3-00290-e1", "section": "experience", "source_type": "cv", "text": "Over 3 years I wrote Terraform for team infrastructure; feature owner, no design ownership." } ]
{ "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-v004-real-00767
0.1
0.1
{ "text": "Kubernetes experience", "skill": "Kubernetes", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-00767-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Basic knowledge of Kubernetes" } ]
{ "group_id": "cloud_devops", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "a111fe49-25ef-5b40-91b4-6f5a718c25a5", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-real-02885
0.1
0.1
{ "text": "Proven Java in production", "skill": "Java", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-02885-e1", "section": "cv_excerpt", "source_type": "cv", "text": "– basic knowledge Java, C++, HTML, CSS" } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "597c92be-e101-50c8-b1d0-c176df903e4f", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-011920
0.1
0.1
{ "text": "Solid OAuth2/OIDC knowledge", "skill": "OAuth2/OIDC", "group_id": "security", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-011920-e1", "section": "experience", "source_type": "cv", "text": "Bootcamp assignment: basic OAuth2/OIDC exercise." } ]
{ "group_id": "security", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "easy", "case_type": "toy_project", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-007738
0.1
0.1
{ "text": "Proven accessibility in production", "skill": "accessibility", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-007738-e1", "section": "summary", "source_type": "cv", "text": "No hands-on accessibility experience yet; planning to learn it." } ]
{ "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-v003-rtr-0079
0.1
0.1
{ "text": "Proven Node.js in production", "skill": "Node.js", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v003-rtr-0079-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Non work activities: got a little familiar with Firebase, NodeJs, Nest.js" } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "3239d219-4921-58e9-8d69-21510aacad63", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-029674
0.1
0.1
{ "text": "Expert-level OpenAPI", "skill": "OpenAPI", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-029674-e1", "section": "skills_list", "source_type": "cv", "text": "Skills: OpenAPI, Git, Jira, Agile, Linux" } ]
{ "group_id": "api_design", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-003665
0.1
0.1
{ "text": "Practical incident response experience", "skill": "incident response", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-003665-e1", "section": "summary", "source_type": "cv", "text": "I have not used incident response professionally or in projects; my experience is in other areas." } ]
{ "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-021844
0.1
0.1
{ "text": "Hands-on Java", "skill": "Java", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-021844-e1", "section": "interview", "source_type": "interview", "text": "Interview notes: candidate stated they never used Java." } ]
{ "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-002194
0.1
0.1
{ "text": "Solid API versioning knowledge", "skill": "API versioning", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-002194-e1", "section": "experience", "source_type": "cv", "text": "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-v004-real-04758
0.1
0.1
{ "text": "Proven Java in production", "skill": "Java", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-04758-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Also, have a little experience with Java and C#, gained while studying at university." } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "30c99452-9171-5bbb-9ba7-5cce91df2e4b", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-013222
0.1
0.1
{ "text": "static analysis (must have)", "skill": "static analysis", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-013222-e1", "section": "experience", "source_type": "cv", "text": "Did a static analysis tutorial and a hello-world app on GitHub." } ]
{ "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-syn-028240
0.1
0.1
{ "text": "Good understanding of MongoDB", "skill": "MongoDB", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-028240-e1", "section": "experience", "source_type": "cv", "text": "For 2.5 years I built MongoDB aggregations for reporting as the main developer of the service." } ]
{ "group_id": "data_storage", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "easy", "case_type": "direct_moderate", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-023082
0.1
0.1
{ "text": "Deep PostgreSQL expertise", "skill": "PostgreSQL", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-023082-e1", "section": "skills_list", "source_type": "cv", "text": "Tools: Git, PostgreSQL, Docker, Postman, Jira" } ]
{ "group_id": "data_storage", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-009939
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-009939-e1", "section": "skills_list", "source_type": "cv", "text": "Technologies: Docker, technical design docs, Scrum, SQL" } ]
{ "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-031287
0.1
0.1
{ "text": "Hands-on integration testing", "skill": "integration testing", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-031287-e1", "section": "experience", "source_type": "cv", "text": "Owned the initiative where I built Testcontainers-based integration test framework adopted by 10 teams, and drove integration testing decisions for the team." }, { "evidence_id": "sj-v004-syn-031...
{ "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-syn-024131
0.1
0.1
{ "text": "Expert-level Kubernetes", "skill": "Kubernetes", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-024131-e1", "section": "experience", "source_type": "cv", "text": "For 2.5 years I wrote Helm charts and debugged pods in production as the main developer of the service." }, { "evidence_id": "sj-v004-syn-024131-e2", "section": "summary", "source_type": ...
{ "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-028094
0.1
0.1
{ "text": "Experience with GCP", "skill": "GCP", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-028094-e1", "section": "experience", "source_type": "cv", "text": "Junior engineer (10 months): helped the team when it ran services on Cloud Run and Cloud SQL, 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-syn-018797
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-018797-e1", "section": "summary", "source_type": "cv", "text": "I have not used database migrations professionally or in projects; my experience is in other areas." } ]
{ "group_id": "data_storage", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "explicit_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v005-bl3-00167
0.1
0.1
{ "text": "Experience with monitoring", "skill": "monitoring", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v005-bl3-00167-e1", "section": "experience", "source_type": "cv", "text": "Regular contributor: created dashboards and alerts for services 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-009466
0.1
0.1
{ "text": "Expert-level Node.js", "skill": "Node.js", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-009466-e1", "section": "projects", "source_type": "portfolio", "text": "Case study: led the Node.js/TypeScript gateway rewrite reducing p99 from 900ms to 120ms. 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-013329
0.1
0.1
{ "text": "Working knowledge of incident response", "skill": "incident response", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-013329-e1", "section": "education", "source_type": "cv", "text": "University course project using incident response for a simple CRUD demo." } ]
{ "group_id": "reliability_obs", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "easy", "case_type": "toy_project", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-02842
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-02842-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Before worked as a python developer (2 years) and Game developer (developed augmented reality games in Snapchat for 2 years)." } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "1335eac9-21ad-511a-8014-b3d3ca95cb9a", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v002-tr-0146
0.1
0.1
{ "text": "Python experience", "skill": "Python", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v002-tr-0146-e1", "section": "experience", "source_type": "cv", "text": "Principal engineer: architected an async Python (FastAPI) platform serving 30 internal teams; recognized as Python authority and gave conference talks on it." } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "5" }
{ "difficulty": "easy", "case_type": "expert", "source": "synthetic_v002", "split": "train", "label_status": "synthetic_needs_review" }
sj-v006-c-00692
0.1
0.1
{ "text": "Production distributed tracing skills", "skill": "distributed tracing", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v006-c-00692-e1", "section": "experience", "source_type": "cv", "text": "Freelance: delivered several client projects where I instrumented services with OpenTelemetry." } ]
{ "group_id": "reliability_obs", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "contrast_partial_supported", "source": "synthetic_v006", "split": "train", "label_status": "synthetic_needs_review" }
sj-v008-cv-00672
0.1
0.1
{ "text": "Production Kafka skills", "skill": "Kafka", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-00672-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-v004-syn-011613
0.1
0.1
{ "text": "Good understanding of ownership", "skill": "ownership", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-011613-e1", "section": "experience", "source_type": "cv", "text": "CV: owned the payments domain end-to-end including roadmap and on-call." }, { "evidence_id": "sj-v004-syn-011613-e2", "section": "interview", "source_type": "interview", "text": "Inte...
{ "group_id": "leadership", "evidence_label": "contradicted", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "cv_vs_interview", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-03600
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-03600-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Stack: Hardhat, Solidity, Ethersjs, Nodejs, Chainlink, Waffle & Mocks (Backend)" } ]
{ "group_id": "lang_core", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_keyword_list", "source": "djinni_cv_en", "source_record": "7b133b6b-e11b-5ddf-aeaf-0b46b9afb77a", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2"...
sj-v004-syn-004724
0.1
0.1
{ "text": "Practical gRPC experience", "skill": "gRPC", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-004724-e1", "section": "experience", "source_type": "cv", "text": "As distinguished engineer I defined protobuf contracts and gRPC streaming APIs between 20 services; I am the go-to gRPC authority company-wide and publish on gRPC." }, { "evidence_id": "sj-v004-s...
{ "group_id": "api_design", "evidence_label": "supported", "proficiency_label": "5" }
{ "difficulty": "easy", "case_type": "expert", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-017765
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-017765-e1", "section": "experience", "source_type": "cv", "text": "Independently used Redux in production features; on-call owner for it." } ]
{ "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-real-02516
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-02516-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Was used AWS lambda wrote in python that handles webhooks" } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "833b1fdc-f776-59d0-a8cb-8a9526b626ab", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v008-cv-00905
0.1
0.1
{ "text": "Hands-on Python", "skill": "Python", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-00905-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Cut build time by 40% by tuning the Python configuration." } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "convention_v02", "source": "synthetic_v008", "split": "train", "label_status": "synthetic_convention_v0.2" }
sj-v004-syn-003218
0.1
0.1
{ "text": "state management experience", "skill": "state management", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-003218-e1", "section": "experience", "source_type": "cv", "text": "Tech lead who designed client state architecture with Redux Toolkit and React Query, and mentored the team on state management practices." }, { "evidence_id": "sj-v004-syn-003218-e2", "sectio...
{ "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-015441
0.1
0.1
{ "text": "Strong OWASP secure coding skills", "skill": "OWASP secure coding", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-015441-e1", "section": "experience", "source_type": "cv", "text": "Delivered features end-to-end where I fixed OWASP findings from pentests." } ]
{ "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-v006-c-00777
0.1
0.1
{ "text": "Production integration testing skills", "skill": "integration testing", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v006-c-00777-e1", "section": "experience", "source_type": "cv", "text": "Built and operated integration testing components in production for 2+ years: wrote integration tests against real databases." } ]
{ "group_id": "testing_quality", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "contrast_partial_supported", "source": "synthetic_v006", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-002112
0.1
0.1
{ "text": "Good understanding of static analysis", "skill": "static analysis", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-002112-e1", "section": "experience", "source_type": "cv", "text": "was part of a team that introduced sonarqube and custom lint rules gating all merges; i worked on smaller tickets around it." } ]
{ "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-007965
0.1
0.1
{ "text": "Commercial experience with secrets management", "skill": "secrets management", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-007965-e1", "section": "skills_list", "source_type": "cv", "text": "Technologies: Docker, secrets management, Scrum, SQL" } ]
{ "group_id": "security", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-004368
0.1
0.1
{ "text": "Hands-on Elasticsearch", "skill": "Elasticsearch", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-004368-e1", "section": "experience", "source_type": "cv", "text": "Experience: Frontend developer focused on CSS animations and design systems." } ]
{ "group_id": "data_storage", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "missing_skill", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-06276
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-06276-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Knowledge theory testing. Strong conception principle and the role of command QA in life cycle software. Understanding Client-server architecture and HTTP protocol." } ]
{ "group_id": "lang_core", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "35b95357-b147-58c0-8f2a-83d84b5a3ffe", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-syn-026646
0.1
0.1
{ "text": "Strong hands-on scalable system design background", "skill": "scalable system design", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-026646-e1", "section": "interview", "source_type": "interview", "text": "Interviewer: zero scalable system design exposure confirmed by candidate." }, { "evidence_id": "sj-v004-syn-026646-e2", "section": "summary", "source_type": "cv", "text": "Agile...
{ "group_id": "system_design", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "verified_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-003898
0.1
0.1
{ "text": "OWASP secure coding (must have)", "skill": "OWASP secure coding", "group_id": "security", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-003898-e1", "section": "experience", "source_type": "cv", "text": "In my last role I ran secure coding program and threat modeling for all new services." } ]
{ "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-016724
0.1
0.1
{ "text": "hiring experience", "skill": "hiring", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-016724-e1", "section": "experience", "source_type": "cv", "text": "Backend engineer, 3 years: conducted technical interviews." } ]
{ "group_id": "leadership", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "easy", "case_type": "direct_moderate", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v005-bl4-00847
0.1
0.1
{ "text": "Experience with secrets management", "skill": "secrets management", "group_id": "security", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v005-bl4-00847-e1", "section": "experience", "source_type": "cv", "text": "Key result as tech lead: migrated all secrets to Vault with dynamic credentials." } ]
{ "group_id": "security", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "hard", "case_type": "boundary_l4", "source": "synthetic_v005", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-013785
0.1
0.1
{ "text": "Production static analysis skills", "skill": "static analysis", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-013785-e1", "section": "summary", "source_type": "cv", "text": "I have no experience with static analysis at all." }, { "evidence_id": "sj-v004-syn-013785-e2", "section": "summary", "source_type": "cv", "text": "Also worked with Git and Jira." } ]
{ "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-013663
0.1
0.1
{ "text": "Experience with gRPC", "skill": "gRPC", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-013663-e1", "section": "experience", "source_type": "cv", "text": "Principal engineer: defined protobuf contracts and gRPC streaming APIs between 20 services; recognized as gRPC authority and gave conference talks on it." }, { "evidence_id": "sj-v004-syn-013663-...
{ "group_id": "api_design", "evidence_label": "supported", "proficiency_label": "5" }
{ "difficulty": "easy", "case_type": "expert", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-009769
0.1
0.1
{ "text": "Commercial experience with MySQL", "skill": "MySQL", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-009769-e1", "section": "summary", "source_type": "cv", "text": "profile: 'deep mysql expertise', no further details given." } ]
{ "group_id": "data_storage", "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-004112
0.1
0.1
{ "text": "Strong hands-on Redis background", "skill": "Redis", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-004112-e1", "section": "experience", "source_type": "cv", "text": "Day to day I added Redis caching with TTL invalidation on my own." } ]
{ "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-04375
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-04375-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Tech stack: Python/JS/C/C++, Ansible, Linux/Bash, Git and git based solutions, Kubernetes, open source and several proprietary SAST, DAST, SCA solutions." } ]
{ "group_id": "lang_core", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_keyword_list", "source": "djinni_cv_en", "source_record": "4c00e6d0-7b28-546d-aca6-8b83a868fa0e", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2"...
sj-v004-syn-015142
0.1
0.1
{ "text": "microservices (must have)", "skill": "microservices", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-015142-e1", "section": "experience", "source_type": "cv", "text": "Lead engineer 2018-2023: architected the monolith-to-microservices split into 25 services with clear boundaries." } ]
{ "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-003129
0.1
0.1
{ "text": "Strong code review skills", "skill": "code review", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-003129-e1", "section": "experience", "source_type": "cv", "text": "lead engineer 2018-2023: created code review guidelines and reviewed ~20 prs/week as tech lead." }, { "evidence_id": "sj-v004-syn-003129-e2", "section": "summary", "source_type": "cv", ...
{ "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-syn-019911
0.1
0.1
{ "text": "Good understanding of React", "skill": "React", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-019911-e1", "section": "experience", "source_type": "cv", "text": "Bootcamp assignment: basic React exercise." } ]
{ "group_id": "frontend", "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-020243
0.1
0.1
{ "text": "Strong hands-on web performance background", "skill": "web performance", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-020243-e1", "section": "experience", "source_type": "cv", "text": "Senior engineer (2019-2024): improved Core Web Vitals (LCP 4.1s to 1.6s) across the storefront." }, { "evidence_id": "sj-v004-syn-020243-e2", "section": "summary", "source_type": "cv", ...
{ "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-v002-tr-0188
0.1
0.1
{ "text": "Strong hiring skills", "skill": "hiring", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v002-tr-0188-e1", "section": "experience", "source_type": "cv", "text": "Independently conducted technical interviews; on-call owner for it." } ]
{ "group_id": "leadership", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "easy", "case_type": "direct_moderate", "source": "synthetic_v002", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-011393
0.1
0.1
{ "text": "Hands-on scalable system design", "skill": "scalable system design", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-011393-e1", "section": "skills_list", "source_type": "cv", "text": "skills: scalable system design, git, jira, agile, linux" }, { "evidence_id": "sj-v004-syn-011393-e2", "section": "summary", "source_type": "cv", "text": "fluent english." } ]
{ "group_id": "system_design", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-04854
0.1
0.1
{ "text": "Proven CI/CD in production", "skill": "CI/CD", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-04854-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Implemented CI/CD process by Gitlab" } ]
{ "group_id": "cloud_devops", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "191026ef-e544-57c8-8e4d-72379eef2141", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-016928
0.1
0.1
{ "text": "Experience with Redis", "skill": "Redis", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-016928-e1", "section": "experience", "source_type": "cv", "text": "Owned the initiative where I designed Redis cluster caching and rate limiting serving 100k ops/s, and drove Redis decisions for the team." } ]
{ "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-004285
0.1
0.1
{ "text": "Solid SLO/SLI knowledge", "skill": "SLO/SLI", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-004285-e1", "section": "experience", "source_type": "cv", "text": "Day to day I defined SLIs for team services on my own." } ]
{ "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-v005-bl4-00641
0.1
0.1
{ "text": "Production OWASP secure coding skills", "skill": "OWASP secure coding", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v005-bl4-00641-e1", "section": "experience", "source_type": "cv", "text": "Owned architecture and delivery: ran secure coding program and threat modeling for all new services." } ]
{ "group_id": "security", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "hard", "case_type": "boundary_l4", "source": "synthetic_v005", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-010395
0.1
0.1
{ "text": "Commercial experience with GraphQL", "skill": "GraphQL", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-010395-e1", "section": "interview", "source_type": "interview", "text": "Candidate confirmed they have never worked with GraphQL." } ]
{ "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-bl5-01296
0.1
0.1
{ "text": "Solid ownership knowledge", "skill": "ownership", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v005-bl5-01296-e1", "section": "experience", "source_type": "cv", "text": "Organization-level owner of ownership strategy: owned the payments domain end-to-end including roadmap and on-call, consulted by every team." } ]
{ "group_id": "leadership", "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-019550
0.1
0.1
{ "text": "Rust experience", "skill": "Rust", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-019550-e1", "section": "experience", "source_type": "cv", "text": "Senior backend developer; key achievement: implemented a Rust log shipper replacing Logstash, 10x lower CPU." } ]
{ "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-025009
0.1
0.1
{ "text": "Hands-on Elasticsearch", "skill": "Elasticsearch", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-025009-e1", "section": "interview", "source_type": "interview", "text": "Candidate confirmed they have never worked with Elasticsearch." }, { "evidence_id": "sj-v004-syn-025009-e2", "section": "summary", "source_type": "cv", "text": "Based in Europe,...
{ "group_id": "data_storage", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "verified_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-03319
0.1
0.1
{ "text": "Proven React in production", "skill": "React", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-03319-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Worked on Upwork, created simple landing pages, multi-pages, and React components" } ]
{ "group_id": "frontend", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "683437eb-15df-5913-bcc8-9b90ec417edb", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-000551
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-000551-e1", "section": "experience", "source_type": "cv", "text": "Core contributor to the event-driven architecture ecosystem; designed saga-based event-driven checkout across 6 services." } ]
{ "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-011255
0.1
0.1
{ "text": "Production gRPC skills", "skill": "gRPC", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-011255-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-008321
0.1
0.1
{ "text": "Experience with Docker", "skill": "Docker", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-008321-e1", "section": "skills_list", "source_type": "cv", "text": "Stack: Docker, Jira, Confluence, Git" }, { "evidence_id": "sj-v004-syn-008321-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-v008-cv-00898
0.1
0.1
{ "text": "Experience with Node.js", "skill": "Node.js", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-00898-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Would like to grow into Node.js 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-v004-syn-027209
0.1
0.1
{ "text": "Production integration testing skills", "skill": "integration testing", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-027209-e1", "section": "interview", "source_type": "interview", "text": "Candidate confirmed they have never worked with integration testing." } ]
{ "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-v008-cv-01599
0.1
0.1
{ "text": "Hands-on authorization (RBAC)", "skill": "authorization (RBAC)", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-01599-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Cut build time by 40% by tuning the authorization (RBAC) configuration." } ]
{ "group_id": "security", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "convention_v02", "source": "synthetic_v008", "split": "train", "label_status": "synthetic_convention_v0.2" }
sj-v004-syn-024221
0.1
0.1
{ "text": "Good understanding of Java", "skill": "Java", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-024221-e1", "section": "experience", "source_type": "cv", "text": "Software engineer (2021-2024): owned Spring Boot services end-to-end." }, { "evidence_id": "sj-v004-syn-024221-e2", "section": "summary", "source_type": "cv", "text": "Based in Europe...
{ "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-014451
0.1
0.1
{ "text": "Strong hands-on Kafka background", "skill": "Kafka", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-014451-e1", "section": "experience", "source_type": "cv", "text": "Tech lead who designed a Kafka event backbone processing 50M events/day with exactly-once via outbox, and mentored the team on Kafka practices." } ]
{ "group_id": "system_design", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-001107
0.1
0.1
{ "text": "Strong hands-on Rust background", "skill": "Rust", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-001107-e1", "section": "projects", "source_type": "portfolio", "text": "Personal project: followed a tutorial to try Rust on a toy app." } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "easy", "case_type": "toy_project", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-01266
0.1
0.1
{ "text": "Strong Python skills", "skill": "Python", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-01266-e1", "section": "cv_excerpt", "source_type": "cv", "text": "I created an alerting system based on AWS | NewRelic | Kubernetes, Coralogix, and Python applications for migrations." } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "02ec5040-c0e1-5b76-bb79-e87bf85a1b4d", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": "v0.2" }
sj-v004-syn-009765
0.1
0.1
{ "text": "Solid MongoDB knowledge", "skill": "MongoDB", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-009765-e1", "section": "experience", "source_type": "cv", "text": "Senior engineer (2019-2024): modeled sharded MongoDB collections for 2B documents." } ]
{ "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-001249
0.1
0.1
{ "text": "Solid Java knowledge", "skill": "Java", "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-v004-syn-024363
0.1
0.1
{ "text": "Strong hands-on distributed consistency background", "skill": "distributed consistency", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-024363-e1", "section": "experience", "source_type": "cv", "text": "Bootcamp assignment: basic distributed consistency exercise." } ]
{ "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-003777
0.1
0.1
{ "text": "Experience with web performance", "skill": "web performance", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-003777-e1", "section": "experience", "source_type": "cv", "text": "Day to day I optimized bundle size with code splitting on my own." } ]
{ "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-029481
0.1
0.1
{ "text": "Practical Kafka experience", "skill": "Kafka", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-029481-e1", "section": "interview", "source_type": "interview", "text": "Candidate confirmed they have never worked with Kafka." }, { "evidence_id": "sj-v004-syn-029481-e2", "section": "summary", "source_type": "cv", "text": "Also worked with Git and...
{ "group_id": "system_design", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "verified_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-005688
0.1
0.1
{ "text": "Strong OpenAPI skills", "skill": "OpenAPI", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-005688-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-024524
0.1
0.1
{ "text": "Strong performance tuning skills", "skill": "performance tuning", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-024524-e1", "section": "interview", "source_type": "interview", "text": "Screening: asked about performance tuning, candidate has not worked with it." } ]
{ "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-025104
0.1
0.1
{ "text": "Strong hands-on caching strategy background", "skill": "caching strategy", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-025104-e1", "section": "skills_list", "source_type": "cv", "text": "Keywords: Agile, caching strategy, Linux, REST" }, { "evidence_id": "sj-v004-syn-025104-e2", "section": "summary", "source_type": "cv", "text": "Also worked with Git and Jira." } ]
{ "group_id": "system_design", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-021974
0.1
0.1
{ "text": "Hands-on integration testing", "skill": "integration testing", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-021974-e1", "section": "experience", "source_type": "cv", "text": "In my last role I built Testcontainers-based integration test framework adopted by 10 teams." } ]
{ "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-syn-021942
0.1
0.1
{ "text": "Commercial experience with SLO/SLI", "skill": "SLO/SLI", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-021942-e1", "section": "experience", "source_type": "cv", "text": "Intern then junior: with help from the lead, I contributed while the team defined SLIs for team services." }, { "evidence_id": "sj-v004-syn-021942-e2", "section": "summary", "source_type"...
{ "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-000048
0.1
0.1
{ "text": "Strong hands-on integration testing background", "skill": "integration testing", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-000048-e1", "section": "experience", "source_type": "cv", "text": "Day to day I wrote integration tests against real databases on my own." } ]
{ "group_id": "testing_quality", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "easy", "case_type": "direct_moderate", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-024763
0.1
0.1
{ "text": "Production secrets management skills", "skill": "secrets management", "group_id": "security", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-024763-e1", "section": "experience", "source_type": "cv", "text": "Senior backend developer; key achievement: migrated all secrets to Vault with dynamic credentials." }, { "evidence_id": "sj-v004-syn-024763-e2", "section": "summary", "source_type": "cv",...
{ "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-real-06298
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-06298-e1", "section": "cv_excerpt", "source_type": "cv", "text": "The scariest buyer, who wrote 5 angry messages to me while I was OOO, left me a wonderful review after my explanation of the inquiry and was really pleasant afterward. Trained two specialists after worki...
{ "group_id": "lang_core", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "3f45b2e5-d155-5950-9004-6edc10f2f0a6", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-syn-008139
0.1
0.1
{ "text": "Expert-level ownership", "skill": "ownership", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-008139-e1", "section": "interview", "source_type": "interview", "text": "Screening: asked about ownership, candidate has not worked with it." }, { "evidence_id": "sj-v004-syn-008139-e2", "section": "summary", "source_type": "cv", "text": "Also worked...
{ "group_id": "leadership", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "verified_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-029396
0.1
0.1
{ "text": "Production C#/.NET skills", "skill": "C#/.NET", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-029396-e1", "section": "experience", "source_type": "cv", "text": "As distinguished engineer I architected .NET 8 order platform across 12 services; I am the go-to C#/.NET authority company-wide and publish on C#/.NET." }, { "evidence_id": "sj-v004-syn-029396-e2...
{ "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" }