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sj-v004-real-01505
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-01505-e1", "section": "cv_excerpt", "source_type": "cv", "text": "4 years of Python experience." } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_years_hands_on", "source": "djinni_cv_en", "source_record": "36a7fee3-15ee-5a09-91e2-3e17d66d430c", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": "v...
sj-v004-real-03788
0.1
0.1
{ "text": "Python experience", "skill": "Python", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-03788-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Streamlit Web App: Developed a web application using the Streamlit library, n8n, Python, and Pandas, resulting in improved data visualization and user interaction." } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "f70636fc-8f2f-5733-9ba7-0e6a5ad58679", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-real-01788
0.1
0.1
{ "text": "Proven AWS in production", "skill": "AWS", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-01788-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Successfully implemented AWS Well-Architected Framework and industry best practises" } ]
{ "group_id": "cloud_devops", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "de3af26e-6244-5f97-836c-4b32ebd3c034", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v005-bl4-00956
0.1
0.1
{ "text": "Hands-on state management", "skill": "state management", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v005-bl4-00956-e1", "section": "experience", "source_type": "cv", "text": "Designed and led: designed client state architecture with Redux Toolkit and React Query, with measurable outcomes." } ]
{ "group_id": "frontend", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "hard", "case_type": "boundary_l4", "source": "synthetic_v005", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-009799
0.1
0.1
{ "text": "Expert-level technical design docs", "skill": "technical design docs", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-009799-e1", "section": "experience", "source_type": "cv", "text": "experience: 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-v004-syn-009592
0.1
0.1
{ "text": "Good understanding of web performance", "skill": "web performance", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-009592-e1", "section": "skills_list", "source_type": "cv", "text": "Skills: web performance, Git, Jira, Agile, Linux" }, { "evidence_id": "sj-v004-syn-009592-e2", "section": "summary", "source_type": "cv", "text": "Agile/Scrum teams of 5-8 people." ...
{ "group_id": "frontend", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-04090
0.1
0.1
{ "text": "Strong AWS skills", "skill": "AWS", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-04090-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Then built it again in 3 more AWS regions including DR solution." } ]
{ "group_id": "cloud_devops", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "cc9013f6-5548-5c44-91f7-cc8473fc48b1", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-021188
0.1
0.1
{ "text": "Experience with database migrations", "skill": "database migrations", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[]
{ "group_id": "data_storage", "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-011262
0.1
0.1
{ "text": "Good understanding of database migrations", "skill": "database migrations", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-011262-e1", "section": "summary", "source_type": "cv", "text": "No hands-on database migrations experience yet; planning to learn it." }, { "evidence_id": "sj-v004-syn-011262-e2", "section": "summary", "source_type": "cv", "text": "Based in Europe, o...
{ "group_id": "data_storage", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "explicit_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-027908
0.1
0.1
{ "text": "Commercial experience with Python", "skill": "Python", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-027908-e1", "section": "experience", "source_type": "cv", "text": "Our squad architected an async Python (FastAPI) platform serving 30 internal teams; I mainly fixed bugs and wrote docs." }, { "evidence_id": "sj-v004-syn-027908-e2", "section": "summary", ...
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "team_credit", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v008-cv-00189
0.1
0.1
{ "text": "Commercial Kafka experience", "skill": "Kafka", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-00189-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Familiar with the basics, and have hands-on experience working with Git, Kafka, Nginx and Linux." } ]
{ "group_id": "system_design", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "convention_v02", "source": "synthetic_v008", "split": "train", "label_status": "synthetic_convention_v0.2" }
sj-v004-syn-006985
0.1
0.1
{ "text": "Strong AWS skills", "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-v004-syn-014122
0.1
0.1
{ "text": "Hands-on GCP", "skill": "GCP", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-014122-e1", "section": "skills_list", "source_type": "cv", "text": "Technologies: Docker, GCP, Scrum, SQL" }, { "evidence_id": "sj-v004-syn-014122-e2", "section": "summary", "source_type": "cv", "text": "Fluent English." } ]
{ "group_id": "cloud_devops", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-05966
0.1
0.1
{ "text": "Node.js experience", "skill": "Node.js", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-05966-e1", "section": "cv_excerpt", "source_type": "cv", "text": "CCNA,Introduction to Networks, Routing and Switching Essentials, Scaling Networks, Connecting Networks Administration of server infrastructure based on CentOS,Ubuntu, MS Windows server 2012/2008/2003 Man...
{ "group_id": "lang_core", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "dd87901b-e7d7-537a-945e-757a61246433", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-real-01138
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-01138-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Later I've learned React and Node by myself and built a few simple projects, and finally I've built my first full stack app, it was a Twitter-like app (technology stack: React, Redux, Express, Node)." ...
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "c41c40da-27a8-56f1-a7bf-ad967df022e3", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-030354
0.1
0.1
{ "text": "Deep TDD expertise", "skill": "TDD", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-030354-e1", "section": "projects", "source_type": "portfolio", "text": "Case study: coached teams on TDD and ran katas; team defect rate dropped 50%. Includes architecture diagrams and benchmark results." } ]
{ "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-005712
0.1
0.1
{ "text": "Good understanding of Node.js", "skill": "Node.js", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-005712-e1", "section": "experience", "source_type": "cv", "text": "Intern then junior: with help from the lead, I contributed while the team developed Express APIs and handled on-call issues." }, { "evidence_id": "sj-v004-syn-005712-e2", "section": "summary"...
{ "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-009960
0.1
0.1
{ "text": "Good understanding of performance tuning", "skill": "performance tuning", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-009960-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-007887
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-007887-e1", "section": "experience", "source_type": "cv", "text": "owned the initiative where i designed a multi-region system for 20m users with explicit consistency trade-offs, and drove scalable system design decisions for the team." } ]
{ "group_id": "system_design", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v008-cv-01067
0.1
0.1
{ "text": "Proven scalable system design in production", "skill": "scalable system design", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-01067-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Ran a scalable system design study group for university students for a semester." } ]
{ "group_id": "system_design", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "convention_v02", "source": "synthetic_v008", "split": "train", "label_status": "synthetic_convention_v0.2" }
sj-v004-syn-023627
0.1
0.1
{ "text": "Working knowledge of REST API design", "skill": "REST API design", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-023627-e1", "section": "experience", "source_type": "cv", "text": "Principal engineer: designed a versioned public REST API (OpenAPI) for 40+ partners with idempotency keys; recognized as REST API design authority and gave conference talks on it." }, { "evidence...
{ "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-real-02447
0.1
0.1
{ "text": "C#/.NET experience", "skill": "C#/.NET", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-02447-e1", "section": "cv_excerpt", "source_type": "cv", "text": "My technology stack is C#, .NET, Unity, Plastic SCM, also familiar with Git." } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "ecf35cf3-9257-5ddc-aa65-c9bcb9c19d51", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": "v0.2" }
sj-v004-syn-025540
0.1
0.1
{ "text": "Proven integration testing in production", "skill": "integration testing", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-025540-e1", "section": "interview", "source_type": "interview", "text": "Candidate confirmed they have never worked with integration testing." }, { "evidence_id": "sj-v004-syn-025540-e2", "section": "summary", "source_type": "cv", "text": "Agile/Scru...
{ "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-019747
0.1
0.1
{ "text": "Deep performance tuning expertise", "skill": "performance tuning", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-019747-e1", "section": "experience", "source_type": "cv", "text": "CV: profiled and tuned JVM services increasing throughput 3x on the same hardware." }, { "evidence_id": "sj-v004-syn-019747-e2", "section": "interview", "source_type": "interview", "t...
{ "group_id": "reliability_obs", "evidence_label": "contradicted", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "cv_vs_interview", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-06270
0.1
0.1
{ "text": "Strong Kubernetes skills", "skill": "Kubernetes", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-06270-e1", "section": "cv_excerpt", "source_type": "cv", "text": "The main technology stack is Vue.js. Ant Design and Art Design Charts (charts and diagrams) UI. With the arrival, I connected, configured, and started writing requests to Axios." } ]
{ "group_id": "cloud_devops", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "ac82b0e1-74f9-5bee-9e0b-77129822df09", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v006-c-01923
0.1
0.1
{ "text": "Production Docker skills", "skill": "Docker", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v006-c-01923-e1", "section": "experience", "source_type": "cv", "text": "Built and operated Docker components in production for 2+ years: containerized services with Docker." } ]
{ "group_id": "cloud_devops", "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-027594
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-syn-027594-e1", "section": "experience", "source_type": "cv", "text": "Claimed: designed a versioned public REST API (OpenAPI) for 40+ partners with idempotency keys." }, { "evidence_id": "sj-v004-syn-027594-e2", "section": "interview", "source_type": "inter...
{ "group_id": "api_design", "evidence_label": "contradicted", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "cv_vs_interview", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-017605
0.1
0.1
{ "text": "Strong hands-on technical design docs background", "skill": "technical design docs", "group_id": "leadership", "target_level": 4, "importance": "must" }
[]
{ "group_id": "leadership", "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-004811
0.1
0.1
{ "text": "cross-team leadership (must have)", "skill": "cross-team leadership", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-004811-e1", "section": "summary", "source_type": "cv", "text": "Self-motivated developer who enjoys challenges." } ]
{ "group_id": "leadership", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "easy", "case_type": "vague_claim", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v008-cv-00142
0.1
0.1
{ "text": "Hands-on ownership", "skill": "ownership", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-00142-e1", "section": "cv_excerpt", "source_type": "cv", "text": "At a mid-size company I owned the payments domain end-to-end including roadmap and on-call." } ]
{ "group_id": "leadership", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "hard", "case_type": "convention_v02", "source": "synthetic_v008", "split": "train", "label_status": "synthetic_convention_v0.2" }
sj-v004-syn-018725
0.1
0.1
{ "text": "Good understanding of GraphQL", "skill": "GraphQL", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-018725-e1", "section": "experience", "source_type": "cv", "text": "Independently built GraphQL resolvers for the mobile app; on-call owner for it." } ]
{ "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-020357
0.1
0.1
{ "text": "Expert-level distributed tracing", "skill": "distributed tracing", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-020357-e1", "section": "experience", "source_type": "cv", "text": "Delivered features end-to-end where I instrumented services with OpenTelemetry." }, { "evidence_id": "sj-v004-syn-020357-e2", "section": "summary", "source_type": "cv", "text": "Fluen...
{ "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-028457
0.1
0.1
{ "text": "Solid gRPC knowledge", "skill": "gRPC", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-028457-e1", "section": "summary", "source_type": "cv", "text": "I have not used gRPC professionally or in projects; my experience is in other areas." }, { "evidence_id": "sj-v004-syn-028457-e2", "section": "summary", "source_type": "cv", "text": "B.S...
{ "group_id": "api_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-014038
0.1
0.1
{ "text": "Hands-on API versioning", "skill": "API versioning", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-014038-e1", "section": "experience", "source_type": "cv", "text": "Staff+ engineer who created deprecation and versioning policy adopted company-wide, setting API versioning standards across the organization." }, { "evidence_id": "sj-v004-syn-014038-e2", "se...
{ "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-012160
0.1
0.1
{ "text": "Expert-level monitoring", "skill": "monitoring", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-012160-e1", "section": "experience", "source_type": "cv", "text": "Lead engineer 2018-2023: built the company observability stack (Prometheus, Grafana) and SLO program." }, { "evidence_id": "sj-v004-syn-012160-e2", "section": "summary", "source_type": "c...
{ "group_id": "reliability_obs", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-005158
0.1
0.1
{ "text": "Proven distributed tracing in production", "skill": "distributed tracing", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-005158-e1", "section": "skills_list", "source_type": "cv", "text": "Stack: distributed tracing, Jira, Confluence, Git" } ]
{ "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-016801
0.1
0.1
{ "text": "Working knowledge of web performance", "skill": "web performance", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-016801-e1", "section": "experience", "source_type": "cv", "text": "assisted on tasks where the team optimized bundle size with code splitting; picked tickets prepared by the lead." } ]
{ "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-015108
0.1
0.1
{ "text": "Experience with technical design docs", "skill": "technical design docs", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-015108-e1", "section": "skills_list", "source_type": "cv", "text": "Tools: Git, technical design docs, Docker, Postman, Jira" } ]
{ "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-v006-c-00867
0.1
0.1
{ "text": "Commercial hiring experience", "skill": "hiring", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v006-c-00867-e1", "section": "experience", "source_type": "cv", "text": "My team designed the backend interview loop and conducted 150+ interviews; I only wrote some tests around it." } ]
{ "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-006672
0.1
0.1
{ "text": "Good understanding of encryption", "skill": "encryption", "group_id": "security", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-006672-e1", "section": "experience", "source_type": "cv", "text": "Backend engineer, 3 years: enabled TLS and field encryption for user data." }, { "evidence_id": "sj-v004-syn-006672-e2", "section": "summary", "source_type": "cv", "text": "Based in E...
{ "group_id": "security", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "easy", "case_type": "direct_moderate", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-031289
0.1
0.1
{ "text": "Hands-on MongoDB", "skill": "MongoDB", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-031289-e1", "section": "summary", "source_type": "cv", "text": "no hands-on mongodb experience yet; planning to learn it." } ]
{ "group_id": "data_storage", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "explicit_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-01600
0.1
0.1
{ "text": "Strong React skills", "skill": "React", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-01600-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Developed new functionality using React.js" } ]
{ "group_id": "frontend", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "f4619968-5efc-5739-8928-4b0f556fe228", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": "v0.2" }
sj-v004-syn-007039
0.1
0.1
{ "text": "Strong hands-on GraphQL background", "skill": "GraphQL", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-007039-e1", "section": "summary", "source_type": "cv", "text": "Haven't worked with GraphQL; my background is elsewhere." } ]
{ "group_id": "api_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-030335
0.1
0.1
{ "text": "secrets management experience", "skill": "secrets management", "group_id": "security", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-030335-e1", "section": "experience", "source_type": "cv", "text": "Summary: Built REST services with Spring Boot for 4 years. Hobbies: football." } ]
{ "group_id": "security", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "missing_skill", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-01895
0.1
0.1
{ "text": "unit testing experience", "skill": "unit testing", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-01895-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Worked on implementing data structures, utilities, unit tests and bug fixing;" } ]
{ "group_id": "testing_quality", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "84fb4164-f627-554c-830a-9767f36bd5ac", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": "v0.2" }
sj-v004-syn-019566
0.1
0.1
{ "text": "Hands-on static analysis", "skill": "static analysis", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-019566-e1", "section": "skills_list", "source_type": "cv", "text": "Technologies: Docker, static analysis, 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-020393
0.1
0.1
{ "text": "Strong microservices skills", "skill": "microservices", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-020393-e1", "section": "experience", "source_type": "cv", "text": "cv: architected the monolith-to-microservices split into 25 services with clear boundaries." }, { "evidence_id": "sj-v004-syn-020393-e2", "section": "interview", "source_type": "interview...
{ "group_id": "system_design", "evidence_label": "contradicted", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "cv_vs_interview", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-024440
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-024440-e1", "section": "experience", "source_type": "cv", "text": "Software engineer (2021-2024): implemented cache-aside for hot endpoints." }, { "evidence_id": "sj-v004-syn-024440-e2", "section": "summary", "source_type": "cv", "text": "Fluent Engl...
{ "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-006823
0.1
0.1
{ "text": "Production C#/.NET skills", "skill": "C#/.NET", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-006823-e1", "section": "experience", "source_type": "cv", "text": "Senior engineer (2019-2024): architected .NET 8 order platform across 12 services." } ]
{ "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-v008-cv-01373
0.1
0.1
{ "text": "Hands-on hiring", "skill": "hiring", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-01373-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Ran a hiring study group for university students for a semester." } ]
{ "group_id": "leadership", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "convention_v02", "source": "synthetic_v008", "split": "train", "label_status": "synthetic_convention_v0.2" }
sj-v004-syn-018457
0.1
0.1
{ "text": "Experience with Go", "skill": "Go", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-018457-e1", "section": "skills_list", "source_type": "cv", "text": "Tools: Git, Go, Docker, Postman, Jira" }, { "evidence_id": "sj-v004-syn-018457-e2", "section": "summary", "source_type": "cv", "text": "Based in Europe, open to remote." } ]
{ "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-01781
0.1
0.1
{ "text": "Production hiring skills", "skill": "hiring", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v006-c-01781-e1", "section": "experience", "source_type": "cv", "text": "Built a small hiring demo app following an online tutorial." } ]
{ "group_id": "leadership", "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-024134
0.1
0.1
{ "text": "OpenAPI experience", "skill": "OpenAPI", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-024134-e1", "section": "experience", "source_type": "cv", "text": "tech lead who introduced contract-first openapi workflow with generated sdks, and mentored the team on openapi practices." } ]
{ "group_id": "api_design", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-008024
0.1
0.1
{ "text": "Strong Python skills", "skill": "Python", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-008024-e1", "section": "experience", "source_type": "cv", "text": "Senior engineer (2019-2024): architected an async Python (FastAPI) platform serving 30 internal teams." } ]
{ "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-008663
0.1
0.1
{ "text": "Practical caching strategy experience", "skill": "caching strategy", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-008663-e1", "section": "experience", "source_type": "cv", "text": "Lead engineer 2018-2023: designed multi-layer caching (CDN, Redis, local) cutting DB load 70%." } ]
{ "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-012528
0.1
0.1
{ "text": "Strong hands-on GCP background", "skill": "GCP", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-012528-e1", "section": "summary", "source_type": "cv", "text": "Expert in GCP 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-v006-c-01043
0.1
0.1
{ "text": "Production MongoDB skills", "skill": "MongoDB", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v006-c-01043-e1", "section": "experience", "source_type": "cv", "text": "Used MongoDB on a small internal tool with help from a senior colleague." } ]
{ "group_id": "data_storage", "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-024151
0.1
0.1
{ "text": "Experience with authorization (RBAC)", "skill": "authorization (RBAC)", "group_id": "security", "target_level": 4, "importance": "must" }
[]
{ "group_id": "security", "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-024250
0.1
0.1
{ "text": "Hands-on unit testing", "skill": "unit testing", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-024250-e1", "section": "experience", "source_type": "cv", "text": "Contributed peripheral tickets to a project where the team set testing standards and raised coverage from 30% to 85% across the org." } ]
{ "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-008349
0.1
0.1
{ "text": "Solid Kubernetes knowledge", "skill": "Kubernetes", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-008349-e1", "section": "summary", "source_type": "cv", "text": "Profile: 'deep Kubernetes expertise', no further details given." } ]
{ "group_id": "cloud_devops", "evidence_label": "partial", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "claim_no_detail", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-030659
0.1
0.1
{ "text": "Hands-on cross-team leadership", "skill": "cross-team leadership", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-030659-e1", "section": "experience", "source_type": "cv", "text": "Principal engineer: led a 4-team initiative aligning API contracts and roadmaps; recognized as cross-team leadership authority and gave conference talks on it." }, { "evidence_id": "sj-v004-syn-0...
{ "group_id": "leadership", "evidence_label": "supported", "proficiency_label": "5" }
{ "difficulty": "easy", "case_type": "expert", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-031467
0.1
0.1
{ "text": "Strong Kubernetes skills", "skill": "Kubernetes", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-031467-e1", "section": "experience", "source_type": "cv", "text": "Main stack: Docker Swarm. Delivered several production projects with it." }, { "evidence_id": "sj-v004-syn-031467-e2", "section": "summary", "source_type": "cv", "text": "Agile/Scrum ...
{ "group_id": "cloud_devops", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "adjacent_tech", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-00794
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-00794-e1", "section": "cv_excerpt", "source_type": "cv", "text": "During the Data Science course, we went through python, NumPy, Pandas, power bi and seaborn visualization." } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "f4ec4ed4-eca5-58b4-bb1f-71d48118c754", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-real-06760
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-real-06760-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Strong skills in PHP7, SQL, Experienced in MS SQL, MS Power BI, SSRS. Python for Data Science (Pandas, Matplotlib, SciKit-Learn) basics" } ]
{ "group_id": "testing_quality", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "9cba5854-2a82-5ec2-b2c9-802a3b694936", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-syn-011330
0.1
0.1
{ "text": "Proven GraphQL in production", "skill": "GraphQL", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-011330-e1", "section": "experience", "source_type": "cv", "text": "Claimed: designed a federated GraphQL schema with dataloader batching for 8 teams." }, { "evidence_id": "sj-v004-syn-011330-e2", "section": "interview", "source_type": "interview", "t...
{ "group_id": "api_design", "evidence_label": "contradicted", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "cv_vs_interview", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-010302
0.1
0.1
{ "text": "Strong hands-on TDD background", "skill": "TDD", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-010302-e1", "section": "experience", "source_type": "cv", "text": "Senior engineer (2019-2024): coached teams on TDD and ran katas; team defect rate dropped 50%." } ]
{ "group_id": "testing_quality", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-017438
0.1
0.1
{ "text": "integration testing (must have)", "skill": "integration testing", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-017438-e1", "section": "skills_list", "source_type": "cv", "text": "keywords: agile, integration testing, linux, rest" }, { "evidence_id": "sj-v004-syn-017438-e2", "section": "summary", "source_type": "cv", "text": "looking for a product company." ...
{ "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-001906
0.1
0.1
{ "text": "Deep Kubernetes expertise", "skill": "Kubernetes", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-001906-e1", "section": "projects", "source_type": "portfolio", "text": "Case study: designed multi-cluster Kubernetes platform with autoscaling and GitOps for 40 services. Includes architecture diagrams and benchmark results." } ]
{ "group_id": "cloud_devops", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-014823
0.1
0.1
{ "text": "Strong MySQL skills", "skill": "MySQL", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-014823-e1", "section": "summary", "source_type": "cv", "text": "MySQL: none so far." }, { "evidence_id": "sj-v004-syn-014823-e2", "section": "summary", "source_type": "cv", "text": "Based in Europe, open to remote." } ]
{ "group_id": "data_storage", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "explicit_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-017741
0.1
0.1
{ "text": "Proven state management in production", "skill": "state management", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-017741-e1", "section": "experience", "source_type": "cv", "text": "As distinguished engineer I designed client state architecture with Redux Toolkit and React Query; I am the go-to state management authority company-wide and publish on state management." }, { "e...
{ "group_id": "frontend", "evidence_label": "supported", "proficiency_label": "5" }
{ "difficulty": "easy", "case_type": "expert", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-009871
0.1
0.1
{ "text": "Hands-on cross-team leadership", "skill": "cross-team leadership", "group_id": "leadership", "target_level": 3, "importance": "must" }
[]
{ "group_id": "leadership", "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-014403
0.1
0.1
{ "text": "Production distributed consistency skills", "skill": "distributed consistency", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-014403-e1", "section": "experience", "source_type": "cv", "text": "Assisted on tasks where the team handled retries and deduplication in distributed jobs; picked tickets prepared by the lead." } ]
{ "group_id": "system_design", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "easy", "case_type": "below_target", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-01258
0.1
0.1
{ "text": "React experience", "skill": "React", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-01258-e1", "section": "cv_excerpt", "source_type": "cv", "text": "created few pet-projects using Saas and React.js." } ]
{ "group_id": "frontend", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "f7b27062-bd0f-513a-b9bb-2a4fdc39cfda", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v001-0019
0.1
0.1
{ "text": "Design scalable distributed systems", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v001-0019-e1", "section": "experience", "source_type": "cv", "text": "Architected event-driven order pipeline (Kafka, 8 services) processing 50M events/day with exactly-once semantics via outbox pattern." } ]
{ "group_id": "system_design", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "role": "backend_fullstack", "source": "handwritten_v001", "label_status": "draft_needs_expert_review", "split": "train" }
sj-v004-real-03239
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-03239-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Additionally, I have experience in writing Python scripts for web scraping and developing a library for working with large numbers in Python without relying on built-in arbitrary precision arithmetic." ...
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "9f931fdf-aea2-5f84-a964-e055152cd4ab", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": "v0.2" }
sj-v004-syn-026288
0.1
0.1
{ "text": "Experience with GraphQL", "skill": "GraphQL", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-026288-e1", "section": "experience", "source_type": "cv", "text": "Was part of a team that designed a federated GraphQL schema with dataloader batching for 8 teams; I worked on smaller tickets around it." } ]
{ "group_id": "api_design", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "team_credit", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-030928
0.1
0.1
{ "text": "Strong hands-on distributed tracing background", "skill": "distributed tracing", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-030928-e1", "section": "skills_list", "source_type": "cv", "text": "Tools: Git, distributed tracing, Docker, Postman, Jira" } ]
{ "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-real-06686
0.1
0.1
{ "text": "Strong Java skills", "skill": "Java", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-06686-e1", "section": "cv_excerpt", "source_type": "cv", "text": "A lot of practice in website layout using Bootstrap and preprocessors (SASS, LESS). Experience in layout of website grids without using Bootstrap. Project development from inception to release." } ]
{ "group_id": "lang_core", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "e8cff034-0469-5fcb-bd5f-184060a268b2", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-syn-005340
0.1
0.1
{ "text": "Hands-on accessibility", "skill": "accessibility", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-005340-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-v006-c-01519
0.1
0.1
{ "text": "Commercial SLO/SLI experience", "skill": "SLO/SLI", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v006-c-01519-e1", "section": "experience", "source_type": "cv", "text": "Built and operated SLO/SLI components in production for 2+ years: defined SLIs for team services." } ]
{ "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-v004-real-04507
0.1
0.1
{ "text": "Strong PostgreSQL skills", "skill": "PostgreSQL", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-04507-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Results-oriented Database Administrator with 5 years of comprehensive experience managing Microsoft SQL Server, PostgreSQL, Oracle, MongoDB databases and ElasticSearch." } ]
{ "group_id": "data_storage", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_years_hands_on", "source": "djinni_cv_en", "source_record": "7b4dfd2e-31f7-52b1-be6d-b0631b6f7878", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0....
sj-v004-syn-020409
0.1
0.1
{ "text": "Working knowledge of Go", "skill": "Go", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-020409-e1", "section": "summary", "source_type": "cv", "text": "I have not used Go 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-real-04528
0.1
0.1
{ "text": "Java experience", "skill": "Java", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-04528-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Developed mobile App using Java" } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "95cde160-f61d-5f0d-8697-044e5f92fb28", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-real-05689
0.1
0.1
{ "text": "Strong Docker skills", "skill": "Docker", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-05689-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Increased tech/business proposal win rate by applying new framework. Improved requirements documentation approach in the company, developed a process and deliverables template from scratch. Boosted custo...
{ "group_id": "cloud_devops", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "e5f1d5d9-110e-5d39-9fe2-f15c01aa08ac", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-syn-007386
0.1
0.1
{ "text": "C#/.NET (must have)", "skill": "C#/.NET", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-007386-e1", "section": "experience", "source_type": "cv", "text": "Fellow-level engineer: architected .NET 8 order platform across 12 services. Wrote the internal C#/.NET handbook and teach C#/.NET externally." }, { "evidence_id": "sj-v004-syn-007386-e2", "s...
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "5" }
{ "difficulty": "easy", "case_type": "expert", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-016534
0.1
0.1
{ "text": "Experience with ownership", "skill": "ownership", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-016534-e1", "section": "experience", "source_type": "cv", "text": "Summary: Team member on the payments squad (2021-2024). Hobbies: football." } ]
{ "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-v004-real-01978
0.1
0.1
{ "text": "Strong Docker skills", "skill": "Docker", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-01978-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Stack : Laravel API, Laravel-modules, Redis, Mysql/Postgresql, Docker, Swagger, PhpStan, Telescope, Unit-tests." } ]
{ "group_id": "cloud_devops", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_keyword_list", "source": "djinni_cv_en", "source_record": "bf4f7ab0-c949-5dff-b0dd-0a639e54063b", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2"...
sj-v004-syn-020224
0.1
0.1
{ "text": "Production OAuth2/OIDC skills", "skill": "OAuth2/OIDC", "group_id": "security", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-020224-e1", "section": "summary", "source_type": "cv", "text": "oauth2/oidc: none so far." }, { "evidence_id": "sj-v004-syn-020224-e2", "section": "summary", "source_type": "cv", "text": "fluent english." } ]
{ "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-012891
0.1
0.1
{ "text": "Hands-on MySQL", "skill": "MySQL", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-012891-e1", "section": "experience", "source_type": "cv", "text": "Contributed peripheral tickets to a project where the team set up MySQL semi-sync replication and online schema changes at 20k QPS." } ]
{ "group_id": "data_storage", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "team_credit", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-03048
0.1
0.1
{ "text": "Strong React skills", "skill": "React", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-03048-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Developed Table generator/editor with React and Redux." } ]
{ "group_id": "frontend", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "7aecb5eb-1879-593f-9e26-2d9c41bd90e2", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-004307
0.1
0.1
{ "text": "Proven integration testing in production", "skill": "integration testing", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-004307-e1", "section": "experience", "source_type": "cv", "text": "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-004372
0.1
0.1
{ "text": "distributed tracing experience", "skill": "distributed tracing", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-004372-e1", "section": "experience", "source_type": "cv", "text": "Under supervision I worked on small parts while the team instrumented services with OpenTelemetry." }, { "evidence_id": "sj-v004-syn-004372-e2", "section": "summary", "source_type": "cv",...
{ "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-006217
0.1
0.1
{ "text": "Strong database migrations skills", "skill": "database migrations", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-006217-e1", "section": "experience", "source_type": "cv", "text": "day to day i wrote and ran production migrations 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-syn-025873
0.1
0.1
{ "text": "Production performance tuning skills", "skill": "performance tuning", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-025873-e1", "section": "summary", "source_type": "cv", "text": "I have not used performance tuning professionally or in projects; my experience is in other areas." }, { "evidence_id": "sj-v004-syn-025873-e2", "section": "summary", "source_type": "cv", ...
{ "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-real-01240
0.1
0.1
{ "text": "React experience", "skill": "React", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-01240-e1", "section": "cv_excerpt", "source_type": "cv", "text": "I have created some projects using React technology and if you wish I may send you the links to look at." } ]
{ "group_id": "frontend", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "7a11be2d-9fd5-55f1-a766-14e855136cee", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-010861
0.1
0.1
{ "text": "Practical Redis experience", "skill": "Redis", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-010861-e1", "section": "experience", "source_type": "cv", "text": "Claimed: designed Redis cluster caching and rate limiting serving 100k ops/s." }, { "evidence_id": "sj-v004-syn-010861-e2", "section": "interview", "source_type": "interview", "text":...
{ "group_id": "data_storage", "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-022212
0.1
0.1
{ "text": "Hands-on static analysis", "skill": "static analysis", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-022212-e1", "section": "experience", "source_type": "cv", "text": "Under supervision I worked on small parts while the team fixed static analysis warnings in CI." }, { "evidence_id": "sj-v004-syn-022212-e2", "section": "summary", "source_type": "cv", ...
{ "group_id": "testing_quality", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "easy", "case_type": "below_target", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-003854
0.1
0.1
{ "text": "Commercial experience with static analysis", "skill": "static analysis", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-003854-e1", "section": "experience", "source_type": "cv", "text": "Fellow-level engineer: introduced SonarQube and custom lint rules gating all merges. Wrote the internal static analysis handbook and teach static analysis externally." } ]
{ "group_id": "testing_quality", "evidence_label": "supported", "proficiency_label": "5" }
{ "difficulty": "easy", "case_type": "expert", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-02289
0.1
0.1
{ "text": "microservices experience", "skill": "microservices", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-02289-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Backend development - 1.5 years - shipped to production cloud microservice system for US legal firms;" } ]
{ "group_id": "system_design", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "real_years_hands_on", "source": "djinni_cv_en", "source_record": "7f7ce81e-a534-56c4-bf2d-7234ac505f90", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0....
sj-v004-syn-013635
0.1
0.1
{ "text": "Production mentoring skills", "skill": "mentoring", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-013635-e1", "section": "experience", "source_type": "cv", "text": "lead engineer 2018-2023: mentored 6 engineers, 3 promoted, and ran the onboarding program." }, { "evidence_id": "sj-v004-syn-013635-e2", "section": "summary", "source_type": "cv", "te...
{ "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" }