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sj-v004-syn-026857
0.1
0.1
{ "text": "Strong technical design docs skills", "skill": "technical design docs", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-026857-e1", "section": "experience", "source_type": "cv", "text": "Lead engineer 2018-2023: authored RFCs that set architecture direction for the org." } ]
{ "group_id": "leadership", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v008-cv-01352
0.1
0.1
{ "text": "Proven event-driven architecture in production", "skill": "event-driven architecture", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-01352-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Improved event-driven architecture performance by 30% for one critical report." } ]
{ "group_id": "system_design", "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-005629
0.1
0.1
{ "text": "Production GraphQL skills", "skill": "GraphQL", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-005629-e1", "section": "experience", "source_type": "cv", "text": "For 2.5 years I built GraphQL resolvers for the mobile app as the main developer of the service." }, { "evidence_id": "sj-v004-syn-005629-e2", "section": "summary", "source_type": "cv", ...
{ "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-010453
0.1
0.1
{ "text": "Practical TypeScript (frontend) experience", "skill": "TypeScript (frontend)", "group_id": "frontend", "target_level": 3, "importance": "must" }
[]
{ "group_id": "frontend", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "easy", "case_type": "no_evidence", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v006-c-00631
0.1
0.1
{ "text": "Hands-on microservices", "skill": "microservices", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v006-c-00631-e1", "section": "experience", "source_type": "cv", "text": "University coursework included a microservices assignment." } ]
{ "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-011620
0.1
0.1
{ "text": "web performance (must have)", "skill": "web performance", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-011620-e1", "section": "experience", "source_type": "cv", "text": "Tech lead who improved Core Web Vitals (LCP 4.1s to 1.6s) across the storefront, and mentored the team on web performance practices." } ]
{ "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-018282
0.1
0.1
{ "text": "Strong hands-on incident response background", "skill": "incident response", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-018282-e1", "section": "summary", "source_type": "cv", "text": "Self-rated 10/10 in incident response." } ]
{ "group_id": "reliability_obs", "evidence_label": "partial", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "claim_no_detail", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v006-c-01262
0.1
0.1
{ "text": "Production SLO/SLI skills", "skill": "SLO/SLI", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v006-c-01262-e1", "section": "experience", "source_type": "cv", "text": "I personally defined SLOs and error budgets adopted by engineering leadership." } ]
{ "group_id": "reliability_obs", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "hard", "case_type": "contrast_partial_supported", "source": "synthetic_v006", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-009012
0.1
0.1
{ "text": "Strong hands-on MySQL background", "skill": "MySQL", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-009012-e1", "section": "skills_list", "source_type": "cv", "text": "Tools: Git, MySQL, Docker, Postman, Jira" }, { "evidence_id": "sj-v004-syn-009012-e2", "section": "summary", "source_type": "cv", "text": "Fluent English." } ]
{ "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-015337
0.1
0.1
{ "text": "hiring experience", "skill": "hiring", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-015337-e1", "section": "experience", "source_type": "cv", "text": "Junior engineer (10 months): helped the team when it conducted technical interviews, under a senior's guidance." } ]
{ "group_id": "leadership", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "easy", "case_type": "below_target", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-001777
0.1
0.1
{ "text": "Hands-on Node.js", "skill": "Node.js", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-001777-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-v004-syn-027637
0.1
0.1
{ "text": "Proven integration testing in production", "skill": "integration testing", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-027637-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-022759
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-022759-e1", "section": "summary", "source_type": "cv", "text": "Advanced MongoDB skills; strong MongoDB background." }, { "evidence_id": "sj-v004-syn-022759-e2", "section": "summary", "source_type": "cv", "text": "Based in Europe, open to remote." ...
{ "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-002995
0.1
0.1
{ "text": "Experience with REST API design", "skill": "REST API design", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-002995-e1", "section": "experience", "source_type": "cv", "text": "Fellow-level engineer: designed a versioned public REST API (OpenAPI) for 40+ partners with idempotency keys. Wrote the internal REST API design handbook and teach REST API design externally." }, { ...
{ "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-023783
0.1
0.1
{ "text": "Experience with SLO/SLI", "skill": "SLO/SLI", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-023783-e1", "section": "experience", "source_type": "cv", "text": "under supervision i worked on small parts while the team defined slis for team services." }, { "evidence_id": "sj-v004-syn-023783-e2", "section": "summary", "source_type": "cv", "text...
{ "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-010321
0.1
0.1
{ "text": "Solid mentoring knowledge", "skill": "mentoring", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-010321-e1", "section": "experience", "source_type": "cv", "text": "CV: mentored 6 engineers, 3 promoted, and ran the onboarding program." }, { "evidence_id": "sj-v004-syn-010321-e2", "section": "interview", "source_type": "interview", "text": "Interv...
{ "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-v006-c-00023
0.1
0.1
{ "text": "Experience with microservices", "skill": "microservices", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v006-c-00023-e1", "section": "experience", "source_type": "cv", "text": "Used microservices on a small internal tool with help from a senior colleague." } ]
{ "group_id": "system_design", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "contrast_partial_supported", "source": "synthetic_v006", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-025829
0.1
0.1
{ "text": "monitoring experience", "skill": "monitoring", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-025829-e1", "section": "experience", "source_type": "cv", "text": "Contributed peripheral tickets to a project where the team built the company observability stack (Prometheus, Grafana) and SLO program." } ]
{ "group_id": "reliability_obs", "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-026892
0.1
0.1
{ "text": "Solid C#/.NET knowledge", "skill": "C#/.NET", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-026892-e1", "section": "summary", "source_type": "cv", "text": "No hands-on C#/.NET experience yet; planning to learn it." } ]
{ "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-06241
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-06241-e1", "section": "cv_excerpt", "source_type": "cv", "text": "I am a professional Freelancer with over 6 years working experience on other freelancing site such as Upwork, Fiverr and Freelancer. My services are top notch and I give maximum value satisfaction for mi...
{ "group_id": "lang_core", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "4139da07-fe6d-5264-8ac1-58ac917850af", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-real-03177
0.1
0.1
{ "text": "Strong mentoring skills", "skill": "mentoring", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-03177-e1", "section": "cv_excerpt", "source_type": "cv", "text": "I have more than 6 years of leading experience, I am a mentor and lector at a technical university, I have all the right skills to motivate people to be the best in their domain." } ]
{ "group_id": "leadership", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_years_hands_on", "source": "djinni_cv_en", "source_record": "15f575db-c6ad-5c4f-a7d2-511524e573fc", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0....
sj-v004-syn-008969
0.1
0.1
{ "text": "Strong hands-on ownership background", "skill": "ownership", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-008969-e1", "section": "experience", "source_type": "cv", "text": "Resume claims they owned the payments domain end-to-end including roadmap and on-call." }, { "evidence_id": "sj-v004-syn-008969-e2", "section": "interview", "source_type": "interview", ...
{ "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-02761
0.1
0.1
{ "text": "React experience", "skill": "React", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-02761-e1", "section": "cv_excerpt", "source_type": "cv", "text": "It's built with React library, uses functional Hooks, API, and Router, and also tried to optimize it." } ]
{ "group_id": "frontend", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "38cd10ff-11e7-5176-a2d6-578f1025b547", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": "v0.2" }
sj-v004-real-06119
0.1
0.1
{ "text": "React experience", "skill": "React", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-06119-e1", "section": "cv_excerpt", "source_type": "cv", "text": "At the current position I'm responsible for creation and updating different reports, such as ones that displays company's performance and performance of its departments. Also, one of my responsibilities...
{ "group_id": "frontend", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "ead082bc-1fda-5476-9de8-c14ec03dcf80", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-real-04926
0.1
0.1
{ "text": "Strong Python skills", "skill": "Python", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-04926-e1", "section": "cv_excerpt", "source_type": "cv", "text": "I would like to become an automation QA engineer, that's why I'm currently learning Python." } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "081d6e1a-c00f-5719-801f-9828cf155b08", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": "v0.2" }
sj-v005-bl4-00889
0.1
0.1
{ "text": "Hands-on incident response", "skill": "incident response", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v005-bl4-00889-e1", "section": "experience", "source_type": "cv", "text": "Senior engineer and design owner: led incident command for SEV1 outages and created the postmortem process." } ]
{ "group_id": "reliability_obs", "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-000542
0.1
0.1
{ "text": "Commercial experience with TypeScript (frontend)", "skill": "TypeScript (frontend)", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-000542-e1", "section": "interview", "source_type": "interview", "text": "Screening: asked about TypeScript (frontend), candidate has not worked with it." } ]
{ "group_id": "frontend", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "verified_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v006-c-00610
0.1
0.1
{ "text": "Strong Docker skills", "skill": "Docker", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v006-c-00610-e1", "section": "experience", "source_type": "cv", "text": "Tried Docker in a weekend pet project to learn the basics." } ]
{ "group_id": "cloud_devops", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "contrast_partial_supported", "source": "synthetic_v006", "split": "train", "label_status": "synthetic_needs_review" }
sj-v006-c-00028
0.1
0.1
{ "text": "Strong CI/CD skills", "skill": "CI/CD", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v006-c-00028-e1", "section": "experience", "source_type": "cv", "text": "Built and operated CI/CD components in production for 2+ years: maintained GitHub Actions pipelines." } ]
{ "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-008756
0.1
0.1
{ "text": "Practical Rust experience", "skill": "Rust", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-008756-e1", "section": "summary", "source_type": "cv", "text": "Rust: none so far." } ]
{ "group_id": "lang_core", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "explicit_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-003852
0.1
0.1
{ "text": "Working knowledge of API versioning", "skill": "API versioning", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-003852-e1", "section": "experience", "source_type": "cv", "text": "Backend engineer, 3 years: shipped v2 of an internal API with backward compatibility." }, { "evidence_id": "sj-v004-syn-003852-e2", "section": "summary", "source_type": "cv", "text": ...
{ "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-012014
0.1
0.1
{ "text": "Deep React expertise", "skill": "React", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-012014-e1", "section": "experience", "source_type": "cv", "text": "3 years: built production systems with Vue, a close alternative to React." } ]
{ "group_id": "frontend", "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-01414
0.1
0.1
{ "text": "React experience", "skill": "React", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-01414-e1", "section": "cv_excerpt", "source_type": "cv", "text": "I have worked on several projects that have helped me gain hands-on experience in various front-end technologies such as HTML, CSS, JavaScript, React, Redux, Ajax." } ]
{ "group_id": "frontend", "evidence_label": "partial", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "39446519-ea8b-538e-abc8-50a718e0e4f2", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-001081
0.1
0.1
{ "text": "cross-team leadership experience", "skill": "cross-team leadership", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-001081-e1", "section": "experience", "source_type": "cv", "text": "the platform team led a 4-team initiative aligning api contracts and roadmaps. i joined late and handled minor tasks." } ]
{ "group_id": "leadership", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "team_credit", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-05530
0.1
0.1
{ "text": "unit testing experience", "skill": "unit testing", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-05530-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Managing department with 70+ people including Sales, Support, Retention and Billing Support Teams. Created a clear structure of the department. Built out analytical reports to monitor efficiency and team...
{ "group_id": "testing_quality", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "c793db4b-3e64-597d-999e-ea476f7a84f9", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-syn-022884
0.1
0.1
{ "text": "Commercial experience with accessibility", "skill": "accessibility", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-022884-e1", "section": "experience", "source_type": "cv", "text": "Senior engineer (2019-2024): led WCAG 2.1 AA remediation and audits." }, { "evidence_id": "sj-v004-syn-022884-e2", "section": "summary", "source_type": "cv", "text": "Fluent English."...
{ "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-008452
0.1
0.1
{ "text": "Deep accessibility expertise", "skill": "accessibility", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-008452-e1", "section": "skills_list", "source_type": "cv", "text": "Technologies: Docker, accessibility, Scrum, SQL" }, { "evidence_id": "sj-v004-syn-008452-e2", "section": "summary", "source_type": "cv", "text": "Fluent English." } ]
{ "group_id": "frontend", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-013338
0.1
0.1
{ "text": "Expert-level authorization (RBAC)", "skill": "authorization (RBAC)", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-013338-e1", "section": "experience", "source_type": "cv", "text": "Independently implemented role checks in APIs; on-call owner for it." }, { "evidence_id": "sj-v004-syn-013338-e2", "section": "summary", "source_type": "cv", "text": "Based in Europe,...
{ "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-bl4-01007
0.1
0.1
{ "text": "Strong PostgreSQL skills", "skill": "PostgreSQL", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v005-bl4-01007-e1", "section": "experience", "source_type": "cv", "text": "Senior engineer and design owner: partitioned a 3TB PostgreSQL table and tuned indexes cutting queries from 40s to 1s." } ]
{ "group_id": "data_storage", "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-028689
0.1
0.1
{ "text": "Working knowledge of distributed consistency", "skill": "distributed consistency", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-028689-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-syn-019794
0.1
0.1
{ "text": "Working knowledge of hiring", "skill": "hiring", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-019794-e1", "section": "experience", "source_type": "cv", "text": "Team member on the payments squad (2021-2024)." } ]
{ "group_id": "leadership", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "missing_skill", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-028354
0.1
0.1
{ "text": "Commercial experience with MySQL", "skill": "MySQL", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-028354-e1", "section": "experience", "source_type": "cv", "text": "In my last role I set up MySQL semi-sync replication and online schema changes at 20k QPS." } ]
{ "group_id": "data_storage", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-009695
0.1
0.1
{ "text": "Expert-level Kubernetes", "skill": "Kubernetes", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-009695-e1", "section": "experience", "source_type": "cv", "text": "CV: designed multi-cluster Kubernetes platform with autoscaling and GitOps for 40 services." }, { "evidence_id": "sj-v004-syn-009695-e2", "section": "interview", "source_type": "interview...
{ "group_id": "cloud_devops", "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-018123
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-018123-e1", "section": "summary", "source_type": "cv", "text": "Haven't worked with performance tuning; my background is elsewhere." } ]
{ "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-002453
0.1
0.1
{ "text": "Practical Redis experience", "skill": "Redis", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-002453-e1", "section": "experience", "source_type": "cv", "text": "Senior backend developer; key achievement: designed Redis cluster caching and rate limiting serving 100k ops/s." }, { "evidence_id": "sj-v004-syn-002453-e2", "section": "summary", "source...
{ "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-022238
0.1
0.1
{ "text": "SLO/SLI (must have)", "skill": "SLO/SLI", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-022238-e1", "section": "skills_list", "source_type": "cv", "text": "keywords: agile, slo/sli, linux, rest" } ]
{ "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-001187
0.1
0.1
{ "text": "Solid Java knowledge", "skill": "Java", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-001187-e1", "section": "projects", "source_type": "portfolio", "text": "Case study: designed a Java/Spring settlement engine processing $2B/yr and cut GC pauses 80%. Includes architecture diagrams and benchmark results." } ]
{ "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-021334
0.1
0.1
{ "text": "Deep React expertise", "skill": "React", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-021334-e1", "section": "experience", "source_type": "cv", "text": "software engineer (2021-2024): built react + typescript pages shipped to users." } ]
{ "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-013251
0.1
0.1
{ "text": "GCP experience", "skill": "GCP", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-013251-e1", "section": "experience", "source_type": "cv", "text": "backend engineer, 3 years: ran services on cloud run and cloud sql." } ]
{ "group_id": "cloud_devops", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "easy", "case_type": "direct_moderate", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-018873
0.1
0.1
{ "text": "Good understanding of Kafka", "skill": "Kafka", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-018873-e1", "section": "experience", "source_type": "cv", "text": "In my last role I designed a Kafka event backbone processing 50M events/day with exactly-once via outbox." }, { "evidence_id": "sj-v004-syn-018873-e2", "section": "summary", "source_type"...
{ "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-009514
0.1
0.1
{ "text": "TDD (must have)", "skill": "TDD", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-009514-e1", "section": "experience", "source_type": "cv", "text": "Claimed: coached teams on TDD and ran katas; team defect rate dropped 50%." }, { "evidence_id": "sj-v004-syn-009514-e2", "section": "interview", "source_type": "interview", "text": "I...
{ "group_id": "testing_quality", "evidence_label": "contradicted", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "cv_vs_interview", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-025872
0.1
0.1
{ "text": "Deep state management expertise", "skill": "state management", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-025872-e1", "section": "summary", "source_type": "cv", "text": "No hands-on state management experience yet; planning to learn it." }, { "evidence_id": "sj-v004-syn-025872-e2", "section": "summary", "source_type": "cv", "text": "Looking for a product...
{ "group_id": "frontend", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "explicit_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-02821
0.1
0.1
{ "text": "Strong AWS skills", "skill": "AWS", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-02821-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Selt-studying in DevOps practices using AWS, Terraform" } ]
{ "group_id": "cloud_devops", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "1bd34707-1c11-57bf-b6b5-2b5dbff30c1f", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-027094
0.1
0.1
{ "text": "Hands-on Kafka", "skill": "Kafka", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-027094-e1", "section": "experience", "source_type": "cv", "text": "Mid-level developer: built Kafka producers and consumers with retries; shipped to production regularly." } ]
{ "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-030036
0.1
0.1
{ "text": "Commercial experience with state management", "skill": "state management", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-030036-e1", "section": "experience", "source_type": "cv", "text": "Senior backend developer; key achievement: designed client state architecture with Redux Toolkit and React Query." } ]
{ "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-real-05866
0.1
0.1
{ "text": "Proven REST API design in production", "skill": "REST API design", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-05866-e1", "section": "cv_excerpt", "source_type": "cv", "text": "I have lots of professional certifications on AWS, Terraform, and Kubernetes. Have experience working on products. I am a Senior AWS DevOps Engineer with experience designing and developing CI/CD, IaC, a...
{ "group_id": "api_design", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "6c9467db-35e7-5a92-809a-123c33cc19cc", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-syn-021772
0.1
0.1
{ "text": "Redis experience", "skill": "Redis", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-021772-e1", "section": "experience", "source_type": "cv", "text": "Staff+ engineer who designed Redis cluster caching and rate limiting serving 100k ops/s, setting Redis standards across the organization." }, { "evidence_id": "sj-v004-syn-021772-e2", "sectio...
{ "group_id": "data_storage", "evidence_label": "supported", "proficiency_label": "5" }
{ "difficulty": "easy", "case_type": "expert", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-024141
0.1
0.1
{ "text": "Expert-level TypeScript (frontend)", "skill": "TypeScript (frontend)", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-024141-e1", "section": "summary", "source_type": "cv", "text": "I have not used TypeScript (frontend) professionally or in projects; my experience is in other areas." } ]
{ "group_id": "frontend", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "explicit_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-009406
0.1
0.1
{ "text": "Hands-on distributed consistency", "skill": "distributed consistency", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-009406-e1", "section": "experience", "source_type": "cv", "text": "senior engineer (2019-2024): designed idempotent, eventually consistent ledger with reconciliation." } ]
{ "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-011286
0.1
0.1
{ "text": "OpenAPI experience", "skill": "OpenAPI", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-011286-e1", "section": "interview", "source_type": "interview", "text": "Interviewer: zero OpenAPI exposure confirmed by candidate." } ]
{ "group_id": "api_design", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "verified_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-031003
0.1
0.1
{ "text": "OAuth2/OIDC experience", "skill": "OAuth2/OIDC", "group_id": "security", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-031003-e1", "section": "summary", "source_type": "cv", "text": "Passionate engineer who loves clean code and best practices." } ]
{ "group_id": "security", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "easy", "case_type": "vague_claim", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-04253
0.1
0.1
{ "text": "Strong React skills", "skill": "React", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-04253-e1", "section": "cv_excerpt", "source_type": "cv", "text": "I finished a course in front-end Software development (React.js, JavaScript, git, HTML & CSS) and actively looking for internship/junior front-end developer positions." } ]
{ "group_id": "frontend", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "6d03bfac-0c08-5a09-be62-58471003e72f", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-022133
0.1
0.1
{ "text": "Experience with TypeScript (frontend)", "skill": "TypeScript (frontend)", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-022133-e1", "section": "experience", "source_type": "cv", "text": "Contributed peripheral tickets to a project where the team led migration of 300k-line JS frontend to strict TypeScript." } ]
{ "group_id": "frontend", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "team_credit", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-027031
0.1
0.1
{ "text": "Solid event-driven architecture knowledge", "skill": "event-driven architecture", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-027031-e1", "section": "experience", "source_type": "cv", "text": "For 2.5 years I implemented event handlers in an event-driven system as the main developer of the service." } ]
{ "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-022043
0.1
0.1
{ "text": "Deep SLO/SLI expertise", "skill": "SLO/SLI", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-022043-e1", "section": "summary", "source_type": "cv", "text": "Haven't worked with SLO/SLI; my background is elsewhere." } ]
{ "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-02056
0.1
0.1
{ "text": "Experience with scalable system design", "skill": "scalable system design", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-02056-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-016596
0.1
0.1
{ "text": "Java (must have)", "skill": "Java", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-016596-e1", "section": "experience", "source_type": "cv", "text": "Principal engineer: designed a Java/Spring settlement engine processing $2B/yr and cut GC pauses 80%; recognized as Java authority and gave conference talks on it." } ]
{ "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-real-02370
0.1
0.1
{ "text": "Strong Python skills", "skill": "Python", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-02370-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Shipped a number of system-wide technical changes and improvements in a 2M+ LoC Python codebase developed by hundreds of developers." } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "2694e6fa-39a1-544f-9ac2-9d2abf825abf", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": "v0.2" }
sj-v004-syn-001382
0.1
0.1
{ "text": "Strong Kafka skills", "skill": "Kafka", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-001382-e1", "section": "experience", "source_type": "cv", "text": "For 2.5 years I built Kafka producers and consumers with retries as the main developer of the service." } ]
{ "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-014056
0.1
0.1
{ "text": "state management experience", "skill": "state management", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-014056-e1", "section": "experience", "source_type": "cv", "text": "Trainee developer; shadowed seniors who used Redux in production features." } ]
{ "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-014659
0.1
0.1
{ "text": "Proven AWS in production", "skill": "AWS", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-014659-e1", "section": "experience", "source_type": "cv", "text": "Mid-level developer: deployed services on AWS ECS and RDS; shipped to production regularly." }, { "evidence_id": "sj-v004-syn-014659-e2", "section": "summary", "source_type": "cv", "t...
{ "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-017030
0.1
0.1
{ "text": "ownership (must have)", "skill": "ownership", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-017030-e1", "section": "skills_list", "source_type": "cv", "text": "Keywords: Agile, ownership, Linux, REST" } ]
{ "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-v008-cv-01825
0.1
0.1
{ "text": "Experience with API versioning", "skill": "API versioning", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-01825-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Built various applications with API versioning, Java, Go and SQL." } ]
{ "group_id": "api_design", "evidence_label": "partial", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "convention_v02", "source": "synthetic_v008", "split": "train", "label_status": "synthetic_convention_v0.2" }
sj-v004-syn-005530
0.1
0.1
{ "text": "hiring (must have)", "skill": "hiring", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-005530-e1", "section": "interview", "source_type": "interview", "text": "Interviewer: zero hiring exposure confirmed by candidate." } ]
{ "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-003827
0.1
0.1
{ "text": "integration testing (must have)", "skill": "integration testing", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-003827-e1", "section": "summary", "source_type": "cv", "text": "Haven't worked with integration testing; my background is elsewhere." } ]
{ "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-005914
0.1
0.1
{ "text": "Practical Redis experience", "skill": "Redis", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-005914-e1", "section": "skills_list", "source_type": "cv", "text": "Tools: Git, Redis, Docker, Postman, Jira" }, { "evidence_id": "sj-v004-syn-005914-e2", "section": "summary", "source_type": "cv", "text": "Looking for a product company." } ]
{ "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-000688
0.1
0.1
{ "text": "Strong unit testing skills", "skill": "unit testing", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-000688-e1", "section": "summary", "source_type": "cv", "text": "I have no experience with unit testing at all." }, { "evidence_id": "sj-v004-syn-000688-e2", "section": "summary", "source_type": "cv", "text": "Agile/Scrum teams of 5-8 people." } ]
{ "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-real-00706
0.1
0.1
{ "text": "Python experience", "skill": "Python", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-00706-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Machine Learning engineer with 2,5 years of experience using Python." } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "f59014d9-697f-5d0b-bfb4-640111286b2c", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-real-00505
0.1
0.1
{ "text": "Proven React in production", "skill": "React", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-00505-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Frameworks: React, Redux, Bootstrap" } ]
{ "group_id": "frontend", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_keyword_list", "source": "djinni_cv_en", "source_record": "a5bcb265-bf36-558b-8678-6a0957d85b8a", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2"...
sj-v004-syn-003622
0.1
0.1
{ "text": "Deep Node.js expertise", "skill": "Node.js", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-003622-e1", "section": "experience", "source_type": "cv", "text": "In my last role I led the Node.js/TypeScript gateway rewrite reducing p99 from 900ms to 120ms." } ]
{ "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-real-04015
0.1
0.1
{ "text": "Strong AWS skills", "skill": "AWS", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-04015-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Clouds: AWS and GCP - around 3 years of experience in each with multiple successful projects deployed in production." } ]
{ "group_id": "cloud_devops", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_years_hands_on", "source": "djinni_cv_en", "source_record": "23ca65b0-f7ab-528e-b40f-f8b7aa100e76", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0....
sj-v004-syn-027347
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-027347-e1", "section": "interview", "source_type": "interview", "text": "interview notes: candidate stated they never used distributed tracing." }, { "evidence_id": "sj-v004-syn-027347-e2", "section": "summary", "source_type": "cv", "text": "also wor...
{ "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-021851
0.1
0.1
{ "text": "Working knowledge of scalable system design", "skill": "scalable system design", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-021851-e1", "section": "skills_list", "source_type": "cv", "text": "Tools: Git, scalable system design, Docker, Postman, Jira" }, { "evidence_id": "sj-v004-syn-021851-e2", "section": "summary", "source_type": "cv", "text": "Agile/Scrum teams of 5-8 p...
{ "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-03387
0.1
0.1
{ "text": "Python experience", "skill": "Python", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-03387-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Languages: C++11/17, C, Python." } ]
{ "group_id": "lang_core", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_keyword_list", "source": "djinni_cv_en", "source_record": "36013cd9-9f7d-5d2d-b180-e1b3729ed91d", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2"...
sj-v004-syn-016600
0.1
0.1
{ "text": "Commercial experience with PostgreSQL", "skill": "PostgreSQL", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-016600-e1", "section": "experience", "source_type": "cv", "text": "Senior backend developer; key achievement: partitioned a 3TB PostgreSQL table and tuned indexes cutting queries from 40s to 1s." } ]
{ "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-v008-cv-01235
0.1
0.1
{ "text": "Strong Kotlin skills", "skill": "Kotlin", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-01235-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Would like to grow into Kotlin 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-019090
0.1
0.1
{ "text": "web performance experience", "skill": "web performance", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-019090-e1", "section": "experience", "source_type": "cv", "text": "lead engineer 2018-2023: improved core web vitals (lcp 4.1s to 1.6s) across the storefront." } ]
{ "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-028552
0.1
0.1
{ "text": "Good understanding of encryption", "skill": "encryption", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-028552-e1", "section": "experience", "source_type": "cv", "text": "Contributed peripheral tickets to a project where the team designed envelope encryption with KMS for PII at rest." }, { "evidence_id": "sj-v004-syn-028552-e2", "section": "summary", "sour...
{ "group_id": "security", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "team_credit", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-005437
0.1
0.1
{ "text": "Solid OWASP secure coding knowledge", "skill": "OWASP secure coding", "group_id": "security", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-005437-e1", "section": "skills_list", "source_type": "cv", "text": "Technologies: Docker, OWASP secure coding, Scrum, SQL" }, { "evidence_id": "sj-v004-syn-005437-e2", "section": "summary", "source_type": "cv", "text": "Fluent English." } ]
{ "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-004579
0.1
0.1
{ "text": "Good understanding of caching strategy", "skill": "caching strategy", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-004579-e1", "section": "experience", "source_type": "cv", "text": "Summary: QA engineer writing manual test plans. Hobbies: football." } ]
{ "group_id": "system_design", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "missing_skill", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v008-cv-02012
0.1
0.1
{ "text": "Proven Java in production", "skill": "Java", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-02012-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Cut build time by 40% by tuning the Java 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-027501
0.1
0.1
{ "text": "Production OpenAPI skills", "skill": "OpenAPI", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-027501-e1", "section": "experience", "source_type": "cv", "text": "Under supervision I worked on small parts 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-003432
0.1
0.1
{ "text": "Deep Kubernetes expertise", "skill": "Kubernetes", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-003432-e1", "section": "experience", "source_type": "cv", "text": "Backend engineer building Java services deployed by a separate ops team to VMs." } ]
{ "group_id": "cloud_devops", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "missing_skill", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-013514
0.1
0.1
{ "text": "Practical secrets management experience", "skill": "secrets management", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-013514-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." } ]
{ "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-025945
0.1
0.1
{ "text": "Deep OAuth2/OIDC expertise", "skill": "OAuth2/OIDC", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-025945-e1", "section": "experience", "source_type": "cv", "text": "intern then junior: with help from the lead, i contributed while the team implemented oauth2 login and token refresh." }, { "evidence_id": "sj-v004-syn-025945-e2", "section": "summary", "...
{ "group_id": "security", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "easy", "case_type": "below_target", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-01201
0.1
0.1
{ "text": "Proven React in production", "skill": "React", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-01201-e1", "section": "cv_excerpt", "source_type": "cv", "text": "I have built several websites using Html, Css, Scss, JavaScript & jQuery, Webpack, React, Bootstrap, GitHub." } ]
{ "group_id": "frontend", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "59e408f3-01ea-570b-a7d3-c090321e6d52", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-022527
0.1
0.1
{ "text": "Experience with CI/CD", "skill": "CI/CD", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-022527-e1", "section": "experience", "source_type": "cv", "text": "in my last role i designed ci/cd with canary and automated rollback for 60 repos." } ]
{ "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-real-04589
0.1
0.1
{ "text": "Proven CI/CD in production", "skill": "CI/CD", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-04589-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Designed and implemented an end-to-end CI/CD pipeline for deploying a PHP web application on Amazon ECS using GitHub Actions." } ]
{ "group_id": "cloud_devops", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "70418c5f-cb5e-5a02-9c53-af3bb81b5ead", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-028049
0.1
0.1
{ "text": "Experience with Python", "skill": "Python", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-028049-e1", "section": "education", "source_type": "cv", "text": "University course project using Python for a simple CRUD demo." } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "easy", "case_type": "toy_project", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-004681
0.1
0.1
{ "text": "database migrations (must have)", "skill": "database migrations", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-004681-e1", "section": "experience", "source_type": "cv", "text": "Backend engineer, 3 years: wrote and ran production migrations." } ]
{ "group_id": "data_storage", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "easy", "case_type": "direct_moderate", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }