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sj-v008-cv-01394
0.1
0.1
{ "text": "Strong code review skills", "skill": "code review", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-01394-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Ran a code review study group for university students for a semester." } ]
{ "group_id": "testing_quality", "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-029565
0.1
0.1
{ "text": "Hands-on REST API design", "skill": "REST API design", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-029565-e1", "section": "experience", "source_type": "cv", "text": "As distinguished engineer I designed a versioned public REST API (OpenAPI) for 40+ partners with idempotency keys; I am the go-to REST API design authority company-wide and publish on REST API design." ...
{ "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-06080
0.1
0.1
{ "text": "Strong Redis skills", "skill": "Redis", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-06080-e1", "section": "cv_excerpt", "source_type": "cv", "text": "I've worked with Ansible to make a playbooks that test the service on mult-OS and applied multistage strategy. Also worked with Docker to Dockerizing services for applying microservices technique. Also K...
{ "group_id": "data_storage", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "df8373af-3d9c-5937-aac9-338051a7050d", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-syn-009092
0.1
0.1
{ "text": "Kubernetes (must have)", "skill": "Kubernetes", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-009092-e1", "section": "experience", "source_type": "cv", "text": "software engineer (2021-2024): wrote helm charts and debugged pods in production." }, { "evidence_id": "sj-v004-syn-009092-e2", "section": "summary", "source_type": "cv", "text": "b.s...
{ "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-022076
0.1
0.1
{ "text": "Expert-level integration testing", "skill": "integration testing", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-022076-e1", "section": "summary", "source_type": "cv", "text": "Profile: 'deep integration testing expertise', no further details given." }, { "evidence_id": "sj-v004-syn-022076-e2", "section": "summary", "source_type": "cv", "text": "Also worked wit...
{ "group_id": "testing_quality", "evidence_label": "partial", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "claim_no_detail", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-03821
0.1
0.1
{ "text": "Proven React in production", "skill": "React", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-03821-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Completed courses on React from Binary Studio Academy." } ]
{ "group_id": "frontend", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "081927ab-5abf-576a-ae1d-f9459fcbb0a1", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-023542
0.1
0.1
{ "text": "Proven Redis in production", "skill": "Redis", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-023542-e1", "section": "experience", "source_type": "cv", "text": "In my last role I designed Redis cluster caching and rate limiting serving 100k ops/s." }, { "evidence_id": "sj-v004-syn-023542-e2", "section": "summary", "source_type": "cv", "text":...
{ "group_id": "data_storage", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-04395
0.1
0.1
{ "text": "Proven CI/CD in production", "skill": "CI/CD", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-04395-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Implemented CI/CD through GitHub Actions (tests, UI-test in Firebase Test Lab, lint and detekt checks, update application version on Play store)" } ]
{ "group_id": "cloud_devops", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "61faf84a-c887-5033-b331-0f98dba3e8ce", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-024554
0.1
0.1
{ "text": "Strong hands-on database migrations background", "skill": "database migrations", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-024554-e1", "section": "experience", "source_type": "cv", "text": "Side project: small database migrations demo built while following an online course." } ]
{ "group_id": "data_storage", "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-018331
0.1
0.1
{ "text": "Working knowledge of Kubernetes", "skill": "Kubernetes", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-018331-e1", "section": "summary", "source_type": "cv", "text": "No hands-on Kubernetes experience yet; planning to learn it." }, { "evidence_id": "sj-v004-syn-018331-e2", "section": "summary", "source_type": "cv", "text": "Fluent English." } ]
{ "group_id": "cloud_devops", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "explicit_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-025432
0.1
0.1
{ "text": "Working knowledge of Rust", "skill": "Rust", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-025432-e1", "section": "experience", "source_type": "cv", "text": "Side project: small Rust demo built while following an online course." } ]
{ "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-012942
0.1
0.1
{ "text": "Production OWASP secure coding skills", "skill": "OWASP secure coding", "group_id": "security", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-012942-e1", "section": "skills_list", "source_type": "cv", "text": "Tools: Git, OWASP secure coding, Docker, Postman, Jira" }, { "evidence_id": "sj-v004-syn-012942-e2", "section": "summary", "source_type": "cv", "text": "Also worked with Git and Jira...
{ "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-025245
0.1
0.1
{ "text": "Deep technical design docs expertise", "skill": "technical design docs", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-025245-e1", "section": "experience", "source_type": "cv", "text": "For 2.5 years I wrote design docs for team features as the main developer of the service." } ]
{ "group_id": "leadership", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "easy", "case_type": "direct_moderate", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-017010
0.1
0.1
{ "text": "Proven Terraform in production", "skill": "Terraform", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-017010-e1", "section": "experience", "source_type": "cv", "text": "CV: authored reusable Terraform modules used by 15 teams." }, { "evidence_id": "sj-v004-syn-017010-e2", "section": "interview", "source_type": "interview", "text": "Interview: candida...
{ "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-028866
0.1
0.1
{ "text": "CI/CD (must have)", "skill": "CI/CD", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-028866-e1", "section": "interview", "source_type": "interview", "text": "Candidate confirmed they have never worked with CI/CD." } ]
{ "group_id": "cloud_devops", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "verified_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-001181
0.1
0.1
{ "text": "Proven microservices in production", "skill": "microservices", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-001181-e1", "section": "experience", "source_type": "cv", "text": "Senior engineer (2019-2024): architected the monolith-to-microservices split into 25 services with clear boundaries." }, { "evidence_id": "sj-v004-syn-001181-e2", "section": "summary", "s...
{ "group_id": "system_design", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-013092
0.1
0.1
{ "text": "Strong hands-on unit testing background", "skill": "unit testing", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-013092-e1", "section": "projects", "source_type": "portfolio", "text": "Case study: set testing standards and raised coverage from 30% to 85% across the org. 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-026017
0.1
0.1
{ "text": "Working knowledge of mentoring", "skill": "mentoring", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-026017-e1", "section": "experience", "source_type": "cv", "text": "Senior backend developer; key achievement: mentored 6 engineers, 3 promoted, and ran the onboarding program." }, { "evidence_id": "sj-v004-syn-026017-e2", "section": "summary", "source_ty...
{ "group_id": "leadership", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-011608
0.1
0.1
{ "text": "Deep OpenAPI expertise", "skill": "OpenAPI", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-011608-e1", "section": "experience", "source_type": "cv", "text": "Assisted on tasks where the team wrote OpenAPI specs for team services; picked tickets prepared by the lead." } ]
{ "group_id": "api_design", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "easy", "case_type": "below_target", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-030203
0.1
0.1
{ "text": "Strong mentoring skills", "skill": "mentoring", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-030203-e1", "section": "projects", "source_type": "portfolio", "text": "case study: mentored 6 engineers, 3 promoted, and ran the onboarding program. includes architecture diagrams and benchmark results." }, { "evidence_id": "sj-v004-syn-030203-e2", "section...
{ "group_id": "leadership", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-001088
0.1
0.1
{ "text": "Working knowledge of OpenAPI", "skill": "OpenAPI", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-001088-e1", "section": "skills_list", "source_type": "cv", "text": "Skills: OpenAPI, Git, Jira, Agile, Linux" }, { "evidence_id": "sj-v004-syn-001088-e2", "section": "summary", "source_type": "cv", "text": "Also worked with Git and Jira." } ]
{ "group_id": "api_design", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v005-bl4-00932
0.1
0.1
{ "text": "Production distributed tracing skills", "skill": "distributed tracing", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v005-bl4-00932-e1", "section": "experience", "source_type": "cv", "text": "Senior engineer and design owner: rolled out OpenTelemetry tracing across 30 services and used it to cut latency 40%." } ]
{ "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-017433
0.1
0.1
{ "text": "Strong Kotlin skills", "skill": "Kotlin", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-017433-e1", "section": "experience", "source_type": "cv", "text": "Trainee developer; shadowed seniors who built Ktor endpoints in production." }, { "evidence_id": "sj-v004-syn-017433-e2", "section": "summary", "source_type": "cv", "text": "Also work...
{ "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-v008-cv-01043
0.1
0.1
{ "text": "Proven unit testing in production", "skill": "unit testing", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-01043-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Improved unit testing performance by 30% for one critical report." } ]
{ "group_id": "testing_quality", "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-031318
0.1
0.1
{ "text": "Expert-level Docker", "skill": "Docker", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-031318-e1", "section": "skills_list", "source_type": "cv", "text": "Stack: Docker, Jira, Confluence, Git" }, { "evidence_id": "sj-v004-syn-031318-e2", "section": "summary", "source_type": "cv", "text": "B.Sc. in Computer Science." } ]
{ "group_id": "cloud_devops", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-015186
0.1
0.1
{ "text": "Strong Node.js skills", "skill": "Node.js", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-015186-e1", "section": "experience", "source_type": "cv", "text": "Our team led the Node.js/TypeScript gateway rewrite reducing p99 from 900ms to 120ms. My contribution: tests and documentation." } ]
{ "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-01233
0.1
0.1
{ "text": "Strong OWASP secure coding skills", "skill": "OWASP secure coding", "group_id": "security", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-01233-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Delivered several projects using these technologies: OWASP secure coding, PHP, JavaScript, MySQL." } ]
{ "group_id": "security", "evidence_label": "partial", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "convention_v02", "source": "synthetic_v008", "split": "train", "label_status": "synthetic_convention_v0.2" }
sj-v004-syn-015718
0.1
0.1
{ "text": "TypeScript (frontend) experience", "skill": "TypeScript (frontend)", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-015718-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-v005-bl5-01212
0.1
0.1
{ "text": "Experience with API versioning", "skill": "API versioning", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v005-bl5-01212-e1", "section": "experience", "source_type": "cv", "text": "Organization-level owner of API versioning strategy: created deprecation and versioning policy adopted company-wide, consulted by every team." } ]
{ "group_id": "api_design", "evidence_label": "supported", "proficiency_label": "5" }
{ "difficulty": "hard", "case_type": "boundary_l5", "source": "synthetic_v005", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-000601
0.1
0.1
{ "text": "Hands-on scalable system design", "skill": "scalable system design", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-000601-e1", "section": "experience", "source_type": "cv", "text": "Was part of a team that designed a multi-region system for 20M users with explicit consistency trade-offs; I worked on smaller tickets around it." } ]
{ "group_id": "system_design", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "team_credit", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v006-c-00653
0.1
0.1
{ "text": "Production Terraform skills", "skill": "Terraform", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v006-c-00653-e1", "section": "experience", "source_type": "cv", "text": "My team authored reusable Terraform modules used by 15 teams; I only wrote some tests around it." } ]
{ "group_id": "cloud_devops", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "contrast_partial_supported", "source": "synthetic_v006", "split": "train", "label_status": "synthetic_needs_review" }
sj-v008-cv-00302
0.1
0.1
{ "text": "Proven web performance in production", "skill": "web performance", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-00302-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Would like to grow into web performance development in the future." } ]
{ "group_id": "frontend", "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-021297
0.1
0.1
{ "text": "Expert-level MySQL", "skill": "MySQL", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-021297-e1", "section": "experience", "source_type": "cv", "text": "Tech lead who set up MySQL semi-sync replication and online schema changes at 20k QPS, and mentored the team on MySQL practices." } ]
{ "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-013894
0.1
0.1
{ "text": "Good understanding of incident response", "skill": "incident response", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-013894-e1", "section": "experience", "source_type": "cv", "text": "principal engineer: led incident command for sev1 outages and created the postmortem process; recognized as incident response authority and gave conference talks on it." } ]
{ "group_id": "reliability_obs", "evidence_label": "supported", "proficiency_label": "5" }
{ "difficulty": "easy", "case_type": "expert", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-026919
0.1
0.1
{ "text": "Working knowledge of Terraform", "skill": "Terraform", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-026919-e1", "section": "interview", "source_type": "interview", "text": "Interviewer: zero Terraform exposure confirmed by candidate." } ]
{ "group_id": "cloud_devops", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "verified_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v008-cv-01372
0.1
0.1
{ "text": "Production TypeScript (frontend) skills", "skill": "TypeScript (frontend)", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-01372-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Picked up TypeScript (frontend) while working on a client project." } ]
{ "group_id": "frontend", "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-002114
0.1
0.1
{ "text": "Docker experience", "skill": "Docker", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-002114-e1", "section": "projects", "source_type": "portfolio", "text": "Case study: built hardened multi-stage Docker images and base-image program for all teams. 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-008798
0.1
0.1
{ "text": "Proven microservices in production", "skill": "microservices", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-008798-e1", "section": "education", "source_type": "cv", "text": "university course project using microservices for a simple crud demo." }, { "evidence_id": "sj-v004-syn-008798-e2", "section": "summary", "source_type": "cv", "text": "agile/scrum team...
{ "group_id": "system_design", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "easy", "case_type": "toy_project", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-017596
0.1
0.1
{ "text": "Experience with Kafka", "skill": "Kafka", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-017596-e1", "section": "experience", "source_type": "cv", "text": "As distinguished engineer I designed a Kafka event backbone processing 50M events/day with exactly-once via outbox; I am the go-to Kafka authority company-wide and publish on Kafka." }, { "eviden...
{ "group_id": "system_design", "evidence_label": "supported", "proficiency_label": "5" }
{ "difficulty": "easy", "case_type": "expert", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-021391
0.1
0.1
{ "text": "Proven Kafka in production", "skill": "Kafka", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-021391-e1", "section": "experience", "source_type": "cv", "text": "Our team designed a Kafka event backbone processing 50M events/day with exactly-once via outbox. My contribution: tests and documentation." }, { "evidence_id": "sj-v004-syn-021391-e2", "secti...
{ "group_id": "system_design", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "team_credit", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v006-c-00035
0.1
0.1
{ "text": "Commercial authorization (RBAC) experience", "skill": "authorization (RBAC)", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v006-c-00035-e1", "section": "experience", "source_type": "cv", "text": "Built a small authorization (RBAC) demo app following an online tutorial." } ]
{ "group_id": "security", "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-real-00571
0.1
0.1
{ "text": "C#/.NET experience", "skill": "C#/.NET", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-00571-e1", "section": "cv_excerpt", "source_type": "cv", "text": "I have been studying C# about a half year through online platforms" } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "c053da1d-6c89-5e64-93ed-6878b1fd04ea", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-real-00634
0.1
0.1
{ "text": "Node.js experience", "skill": "Node.js", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-00634-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Tech stack: JavaScript, NodeJS, ExpressJS, React, Redux, Active Directory, Oracle DB, PostgreSQL, Corezoid BPM, Docker, nginx." } ]
{ "group_id": "lang_core", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_keyword_list", "source": "djinni_cv_en", "source_record": "1325e2cf-a6ae-536f-8be2-b51693ed29b1", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2"...
sj-v005-bl3-00075
0.1
0.1
{ "text": "Experience with AWS", "skill": "AWS", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v005-bl3-00075-e1", "section": "experience", "source_type": "cv", "text": "Mid-level engineer for 2 years: deployed services on AWS ECS and RDS; handled the on-call for it." } ]
{ "group_id": "cloud_devops", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "boundary_l3", "source": "synthetic_v005", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-003250
0.1
0.1
{ "text": "Production AWS skills", "skill": "AWS", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-003250-e1", "section": "experience", "source_type": "cv", "text": "For 2.5 years I deployed services on AWS ECS and RDS as the main developer of the service." }, { "evidence_id": "sj-v004-syn-003250-e2", "section": "summary", "source_type": "cv", "te...
{ "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-real-03058
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-03058-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Over 10 years of experience in Quality Assurance, Test Automation, Web-service testing, Performance testing, Build automation, CI/CD" } ]
{ "group_id": "cloud_devops", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_years_hands_on", "source": "djinni_cv_en", "source_record": "b527d946-9e0b-55cb-a7e2-13d2aef7693e", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0....
sj-v004-syn-008524
0.1
0.1
{ "text": "Strong hands-on Go background", "skill": "Go", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-008524-e1", "section": "skills_list", "source_type": "cv", "text": "Tools: Git, Go, 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-017335
0.1
0.1
{ "text": "Working knowledge of incident response", "skill": "incident response", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-017335-e1", "section": "experience", "source_type": "cv", "text": "Day to day I took part in on-call and wrote postmortems on my own." } ]
{ "group_id": "reliability_obs", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "easy", "case_type": "direct_moderate", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v006-c-00229
0.1
0.1
{ "text": "Strong OAuth2/OIDC skills", "skill": "OAuth2/OIDC", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v006-c-00229-e1", "section": "experience", "source_type": "cv", "text": "Tried OAuth2/OIDC in a weekend pet project to learn the basics." } ]
{ "group_id": "security", "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-008578
0.1
0.1
{ "text": "Experience with technical design docs", "skill": "technical design docs", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-008578-e1", "section": "experience", "source_type": "cv", "text": "Fellow-level engineer: authored RFCs that set architecture direction for the org. Wrote the internal technical design docs handbook and teach technical design docs externally." } ]
{ "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-006220
0.1
0.1
{ "text": "Strong SLO/SLI skills", "skill": "SLO/SLI", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-006220-e1", "section": "experience", "source_type": "cv", "text": "Software engineer (2021-2024): defined SLIs for team services." }, { "evidence_id": "sj-v004-syn-006220-e2", "section": "summary", "source_type": "cv", "text": "Agile/Scrum teams of 5...
{ "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-real-00099
0.1
0.1
{ "text": "Proven mentoring in production", "skill": "mentoring", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-00099-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Built and mentored high-performing cross-functional teams, fostering a culture of collaboration, accountability, and innovation." } ]
{ "group_id": "leadership", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "5df4510d-0809-55ab-9989-0d289ba2a180", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-007529
0.1
0.1
{ "text": "authorization (RBAC) (must have)", "skill": "authorization (RBAC)", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-007529-e1", "section": "experience", "source_type": "cv", "text": "Delivered features end-to-end where I implemented role checks in APIs." }, { "evidence_id": "sj-v004-syn-007529-e2", "section": "summary", "source_type": "cv", "text": "Based in Europ...
{ "group_id": "security", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "easy", "case_type": "direct_moderate", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v006-c-00596
0.1
0.1
{ "text": "Strong Docker skills", "skill": "Docker", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v006-c-00596-e1", "section": "experience", "source_type": "cv", "text": "I personally built hardened multi-stage Docker images and base-image program for all teams." } ]
{ "group_id": "cloud_devops", "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-010066
0.1
0.1
{ "text": "GCP (must have)", "skill": "GCP", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-010066-e1", "section": "experience", "source_type": "cv", "text": "assisted on tasks where the team ran services on cloud run and cloud sql; picked tickets prepared by the lead." } ]
{ "group_id": "cloud_devops", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "easy", "case_type": "below_target", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-030721
0.1
0.1
{ "text": "Strong microservices skills", "skill": "microservices", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-030721-e1", "section": "interview", "source_type": "interview", "text": "Screening: asked about microservices, candidate has not worked with it." } ]
{ "group_id": "system_design", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "verified_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-04096
0.1
0.1
{ "text": "Python experience", "skill": "Python", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-04096-e1", "section": "cv_excerpt", "source_type": "cv", "text": "While studying Python, I discovered my" } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "a1d14fb7-83a2-5ebe-8871-3b7ec80f1a59", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-000245
0.1
0.1
{ "text": "Production monitoring skills", "skill": "monitoring", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-000245-e1", "section": "experience", "source_type": "cv", "text": "Delivered features end-to-end where I created dashboards and alerts for services." } ]
{ "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-013386
0.1
0.1
{ "text": "Good understanding of OAuth2/OIDC", "skill": "OAuth2/OIDC", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-013386-e1", "section": "experience", "source_type": "cv", "text": "Day to day I implemented OAuth2 login and token refresh on my own." }, { "evidence_id": "sj-v004-syn-013386-e2", "section": "summary", "source_type": "cv", "text": "Also worked with G...
{ "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-022875
0.1
0.1
{ "text": "Proven mentoring in production", "skill": "mentoring", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-022875-e1", "section": "experience", "source_type": "cv", "text": "Resume claims they mentored 6 engineers, 3 promoted, and ran the onboarding program." }, { "evidence_id": "sj-v004-syn-022875-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-v006-c-01466
0.1
0.1
{ "text": "Hands-on encryption", "skill": "encryption", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v006-c-01466-e1", "section": "experience", "source_type": "cv", "text": "Built a small encryption demo app following an online tutorial." } ]
{ "group_id": "security", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "contrast_partial_supported", "source": "synthetic_v006", "split": "train", "label_status": "synthetic_needs_review" }
sj-v008-cv-00436
0.1
0.1
{ "text": "Hands-on distributed tracing", "skill": "distributed tracing", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-00436-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Contributed to an e-commerce project (distributed tracing)." } ]
{ "group_id": "reliability_obs", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "convention_v02", "source": "synthetic_v008", "split": "train", "label_status": "synthetic_convention_v0.2" }
sj-v004-syn-009899
0.1
0.1
{ "text": "Commercial experience with unit testing", "skill": "unit testing", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-009899-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-real-05975
0.1
0.1
{ "text": "Strong Java skills", "skill": "Java", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-05975-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Fixed critical misconfigurations across multiple projects during the first days of work which improved overall stability and predictability Reduced overall infrastructure complexity and bloatedness Imple...
{ "group_id": "lang_core", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "94366265-0e4d-5d49-a6d9-7faf973ce520", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-syn-012590
0.1
0.1
{ "text": "Kafka experience", "skill": "Kafka", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-012590-e1", "section": "summary", "source_type": "cv", "text": "Passionate engineer who loves clean code and best practices." } ]
{ "group_id": "system_design", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "easy", "case_type": "vague_claim", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v003-rtr-0013
0.1
0.1
{ "text": "GraphQL experience", "skill": "GraphQL", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v003-rtr-0013-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Creating an online store, in which I worked on GraphQl queries, working with the design, connecting the logic of google maps and assortment depending on the region, also used styled-components technology, ...
{ "group_id": "api_design", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "ad83eb0e-58a8-5426-b254-54c4d144cb5e", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": "v0.2" }
sj-v004-real-06207
0.1
0.1
{ "text": "Strong MongoDB skills", "skill": "MongoDB", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-06207-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Developing backend for fault-tolerant servers using Erlang/OTP for real time messengers(MongooseIM, XMPP). Develop and support microservices(Erlang/OTP, Cowboy, Websockets), blockchain. approaches, creat...
{ "group_id": "data_storage", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "8e6bfff8-f712-58c0-8c3e-96300987e501", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-syn-009681
0.1
0.1
{ "text": "Deep Kafka expertise", "skill": "Kafka", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-009681-e1", "section": "experience", "source_type": "cv", "text": "Claimed: designed a Kafka event backbone processing 50M events/day with exactly-once via outbox." }, { "evidence_id": "sj-v004-syn-009681-e2", "section": "interview", "source_type": "inte...
{ "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-004203
0.1
0.1
{ "text": "Go experience", "skill": "Go", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-004203-e1", "section": "experience", "source_type": "cv", "text": "The platform team rewrote the Go ingestion service to handle 15k req/s with bounded worker pools. I joined late and handled minor tasks." } ]
{ "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-v004-syn-029894
0.1
0.1
{ "text": "Strong hands-on React background", "skill": "React", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-029894-e1", "section": "skills_list", "source_type": "cv", "text": "technologies: docker, react, scrum, sql" } ]
{ "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-02263
0.1
0.1
{ "text": "Python experience", "skill": "Python", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-02263-e1", "section": "cv_excerpt", "source_type": "cv", "text": "I’m learning Python so that I will be able to work with data more professionally." } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "b4478ced-87e2-553b-b987-8e462647ef6e", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-017992
0.1
0.1
{ "text": "Production GraphQL skills", "skill": "GraphQL", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-017992-e1", "section": "experience", "source_type": "cv", "text": "Claimed: designed a federated GraphQL schema with dataloader batching for 8 teams." }, { "evidence_id": "sj-v004-syn-017992-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-real-00305
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-00305-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Implemented and maintained cloud infrastructure on AWS, including creating and managing EC2 instances, RDS" } ]
{ "group_id": "cloud_devops", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "43d34da2-4c23-5398-97a7-7501c881ea3c", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": "v0.2" }
sj-v004-syn-023933
0.1
0.1
{ "text": "Working knowledge of unit testing", "skill": "unit testing", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-023933-e1", "section": "experience", "source_type": "cv", "text": "Our team set testing standards and raised coverage from 30% to 85% across the org. My contribution: tests and documentation." }, { "evidence_id": "sj-v004-syn-023933-e2", "section": "summary"...
{ "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-004225
0.1
0.1
{ "text": "Proven microservices in production", "skill": "microservices", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-004225-e1", "section": "experience", "source_type": "cv", "text": "Bootcamp assignment: basic microservices exercise." } ]
{ "group_id": "system_design", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "easy", "case_type": "toy_project", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-006824
0.1
0.1
{ "text": "Proven GraphQL in production", "skill": "GraphQL", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-006824-e1", "section": "experience", "source_type": "cv", "text": "Backend engineer, 3 years: built GraphQL resolvers for the mobile app." } ]
{ "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-000658
0.1
0.1
{ "text": "Practical CI/CD experience", "skill": "CI/CD", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-000658-e1", "section": "summary", "source_type": "cv", "text": "I have no experience with CI/CD at all." }, { "evidence_id": "sj-v004-syn-000658-e2", "section": "summary", "source_type": "cv", "text": "Agile/Scrum teams of 5-8 people." } ]
{ "group_id": "cloud_devops", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "explicit_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-017065
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-017065-e1", "section": "experience", "source_type": "cv", "text": "Was part of a team that designed a Kafka event backbone processing 50M events/day with exactly-once via outbox; I worked on smaller tickets around it." } ]
{ "group_id": "system_design", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "team_credit", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-031206
0.1
0.1
{ "text": "Node.js experience", "skill": "Node.js", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-031206-e1", "section": "projects", "source_type": "portfolio", "text": "Personal project: followed a tutorial to try Node.js on a toy app." } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "easy", "case_type": "toy_project", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-007740
0.1
0.1
{ "text": "Practical hiring experience", "skill": "hiring", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-007740-e1", "section": "experience", "source_type": "cv", "text": "Under supervision I worked on small parts while the team conducted technical interviews." }, { "evidence_id": "sj-v004-syn-007740-e2", "section": "summary", "source_type": "cv", "text...
{ "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-real-02735
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-02735-e1", "section": "cv_excerpt", "source_type": "cv", "text": "I’d been simultaneously managing QA/Python/UX&UI Design tracks (100+ students studying full-time online)." } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "5dd0a933-2ef3-5a46-babd-0a6321c163ba", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": "v0.2" }
sj-v005-bl3-00360
0.1
0.1
{ "text": "Experience with web performance", "skill": "web performance", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v005-bl3-00360-e1", "section": "experience", "source_type": "cv", "text": "Mid-level engineer for 2 years: optimized bundle size with code splitting; handled the on-call for it." } ]
{ "group_id": "frontend", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "boundary_l3", "source": "synthetic_v005", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-003108
0.1
0.1
{ "text": "Good understanding of AWS", "skill": "AWS", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-003108-e1", "section": "summary", "source_type": "cv", "text": "Expert in AWS with 10 years of experience." } ]
{ "group_id": "cloud_devops", "evidence_label": "partial", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "claim_no_detail", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-05597
0.1
0.1
{ "text": "Proven Terraform in production", "skill": "Terraform", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-05597-e1", "section": "cv_excerpt", "source_type": "cv", "text": "While learning programming, I first started with C++. Then I learned C# and some of its frameworks. As I learned these, I made task for each topic and posted them to my github account." } ]
{ "group_id": "cloud_devops", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "b7ae5fc3-308d-55cb-a82e-bfdfa5aba3e4", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-syn-000381
0.1
0.1
{ "text": "Expert-level gRPC", "skill": "gRPC", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-000381-e1", "section": "experience", "source_type": "cv", "text": "Summary: Data analyst building Tableau dashboards and SQL reports. Hobbies: football." } ]
{ "group_id": "api_design", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "missing_skill", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-02340
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-02340-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Started learning the back-end with NodeJS, NestJS." } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "258ac949-6356-573b-8842-d1b649378de9", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-real-03580
0.1
0.1
{ "text": "Proven Node.js in production", "skill": "Node.js", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-03580-e1", "section": "cv_excerpt", "source_type": "cv", "text": "As a fullstack developer, I have created various applications and services using a range of tools and technologies, such as Vue, Node.js, Typescript, and PostgreSQL." } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "c0583209-3c0a-5bb7-8a04-12f6ea146602", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-031466
0.1
0.1
{ "text": "scalable system design experience", "skill": "scalable system design", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-031466-e1", "section": "experience", "source_type": "cv", "text": "Software engineer (2021-2024): designed a single service including data model and failure modes." } ]
{ "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-002330
0.1
0.1
{ "text": "Redis experience", "skill": "Redis", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-002330-e1", "section": "interview", "source_type": "interview", "text": "Candidate confirmed they have never worked with Redis." } ]
{ "group_id": "data_storage", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "verified_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-006340
0.1
0.1
{ "text": "ownership (must have)", "skill": "ownership", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-006340-e1", "section": "summary", "source_type": "cv", "text": "No hands-on ownership experience yet; planning to learn it." } ]
{ "group_id": "leadership", "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-006576
0.1
0.1
{ "text": "Practical Kubernetes experience", "skill": "Kubernetes", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-006576-e1", "section": "summary", "source_type": "cv", "text": "Kubernetes: none so far." } ]
{ "group_id": "cloud_devops", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "explicit_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-030577
0.1
0.1
{ "text": "Proven Python in production", "skill": "Python", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-030577-e1", "section": "experience", "source_type": "cv", "text": "Trainee developer; shadowed seniors who shipped Django features and maintained them in production." } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "easy", "case_type": "below_target", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-021014
0.1
0.1
{ "text": "Commercial experience with scalable system design", "skill": "scalable system design", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-021014-e1", "section": "skills_list", "source_type": "cv", "text": "Keywords: Agile, scalable system design, Linux, REST" } ]
{ "group_id": "system_design", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-001872
0.1
0.1
{ "text": "Good understanding of AWS", "skill": "AWS", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-001872-e1", "section": "experience", "source_type": "cv", "text": "Owned the initiative where I designed AWS multi-account landing zone (EKS, RDS, IAM) for the company, and drove AWS decisions for the team." } ]
{ "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-04451
0.1
0.1
{ "text": "Strong React skills", "skill": "React", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-04451-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Cursor education: Advanced front-end courses with React / Redux" } ]
{ "group_id": "frontend", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "0af12543-209f-53a3-99c3-011c6bf27b09", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-029517
0.1
0.1
{ "text": "Deep PostgreSQL expertise", "skill": "PostgreSQL", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-029517-e1", "section": "interview", "source_type": "interview", "text": "Screening: asked about PostgreSQL, candidate has not worked with it." }, { "evidence_id": "sj-v004-syn-029517-e2", "section": "summary", "source_type": "cv", "text": "B.Sc. in C...
{ "group_id": "data_storage", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "verified_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-005885
0.1
0.1
{ "text": "Hands-on Python", "skill": "Python", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-005885-e1", "section": "experience", "source_type": "cv", "text": "Experience: Senior iOS engineer (Swift) shipping consumer apps for 6 years." } ]
{ "group_id": "lang_core", "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-01590
0.1
0.1
{ "text": "CI/CD experience", "skill": "CI/CD", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-01590-e1", "section": "cv_excerpt", "source_type": "cv", "text": "In addition, I have also worked on implementing continuous integration and deployment (CI/CD) pipelines." } ]
{ "group_id": "cloud_devops", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "16542dab-ac18-5781-b92e-2d35044a2689", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-019279
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-019279-e1", "section": "experience", "source_type": "cv", "text": "CV: defined SLOs and error budgets adopted by engineering leadership." }, { "evidence_id": "sj-v004-syn-019279-e2", "section": "interview", "source_type": "interview", "text": "Interv...
{ "group_id": "reliability_obs", "evidence_label": "contradicted", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "cv_vs_interview", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-011723
0.1
0.1
{ "text": "Strong Terraform skills", "skill": "Terraform", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-011723-e1", "section": "summary", "source_type": "cv", "text": "Strong problem solver, passionate about technology." } ]
{ "group_id": "cloud_devops", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "easy", "case_type": "vague_claim", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }