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sj-v004-syn-024163
0.1
0.1
{ "text": "Solid hiring knowledge", "skill": "hiring", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-024163-e1", "section": "experience", "source_type": "cv", "text": "Lead engineer 2018-2023: designed the backend interview loop and conducted 150+ interviews." }, { "evidence_id": "sj-v004-syn-024163-e2", "section": "summary", "source_type": "cv", "t...
{ "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-real-06008
0.1
0.1
{ "text": "Proven REST API design in production", "skill": "REST API design", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-06008-e1", "section": "cv_excerpt", "source_type": "cv", "text": "As an accomplished content manager with 4 years of experience, I bring a unique set of skills and expertise to the table. My background in SEO, ecommerce, and writing has equipped me with a deep understa...
{ "group_id": "api_design", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "fe6d28b6-1617-5229-ba6c-159bb921b7c8", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-syn-027817
0.1
0.1
{ "text": "Working knowledge of OAuth2/OIDC", "skill": "OAuth2/OIDC", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-027817-e1", "section": "summary", "source_type": "cv", "text": "No hands-on OAuth2/OIDC experience yet; planning to learn it." }, { "evidence_id": "sj-v004-syn-027817-e2", "section": "summary", "source_type": "cv", "text": "Looking for a product comp...
{ "group_id": "security", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "explicit_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-025953
0.1
0.1
{ "text": "Strong hands-on Java background", "skill": "Java", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-025953-e1", "section": "summary", "source_type": "cv", "text": "Java: none so far." }, { "evidence_id": "sj-v004-syn-025953-e2", "section": "summary", "source_type": "cv", "text": "Looking for a product company." } ]
{ "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-05977
0.1
0.1
{ "text": "Proven AWS in production", "skill": "AWS", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-05977-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Implementation and publication of own pet project in Google source. \"Users on Map\" on Google Play Imposition of PSD of models of the websites." } ]
{ "group_id": "cloud_devops", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "42f93c78-0f50-5b94-8e63-a30c7c2b3134", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-real-04268
0.1
0.1
{ "text": "Kafka experience", "skill": "Kafka", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-04268-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Software Engineer with main focus on distributed processing (Apache Spark, Beam), building streaming services (Kafka) and efficient data storages with Data Science skills including classic Machine Learni...
{ "group_id": "system_design", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "d7336b95-c252-5418-a5ec-88463b89a7c3", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-028430
0.1
0.1
{ "text": "Strong mentoring skills", "skill": "mentoring", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-028430-e1", "section": "experience", "source_type": "cv", "text": "Core contributor to the mentoring ecosystem; mentored 6 engineers, 3 promoted, and ran the onboarding program." }, { "evidence_id": "sj-v004-syn-028430-e2", "section": "summary", "source_...
{ "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-012566
0.1
0.1
{ "text": "Commercial experience with monitoring", "skill": "monitoring", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-012566-e1", "section": "experience", "source_type": "cv", "text": "Intern then junior: with help from the lead, I contributed while the team created dashboards and alerts for services." }, { "evidence_id": "sj-v004-syn-012566-e2", "section": "summary", "...
{ "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-real-02855
0.1
0.1
{ "text": "Proven C#/.NET in production", "skill": "C#/.NET", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-02855-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Technologies: C#, ASP.NET MVC, HTML, CSS, JavaScript, AngularJS, KnockOut, MS SQL Server, Entity Framework, Web Api, Git, TFS, Octopus Deploy" } ]
{ "group_id": "lang_core", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_keyword_list", "source": "djinni_cv_en", "source_record": "d0f9fc7c-7eec-5744-a993-4124872e4419", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": "v0....
sj-v004-syn-028439
0.1
0.1
{ "text": "Practical Node.js experience", "skill": "Node.js", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-028439-e1", "section": "experience", "source_type": "cv", "text": "Resume claims they led the Node.js/TypeScript gateway rewrite reducing p99 from 900ms to 120ms." }, { "evidence_id": "sj-v004-syn-028439-e2", "section": "interview", "source_type": "inter...
{ "group_id": "lang_core", "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-006904
0.1
0.1
{ "text": "static analysis experience", "skill": "static analysis", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-006904-e1", "section": "experience", "source_type": "cv", "text": "Contributed peripheral tickets to a project where the team introduced SonarQube and custom lint rules gating all merges." } ]
{ "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-v005-bl3-00160
0.1
0.1
{ "text": "Hands-on event-driven architecture", "skill": "event-driven architecture", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v005-bl3-00160-e1", "section": "experience", "source_type": "cv", "text": "Regular contributor: implemented event handlers in an event-driven system across several releases." } ]
{ "group_id": "system_design", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "boundary_l3", "source": "synthetic_v005", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-016245
0.1
0.1
{ "text": "MongoDB experience", "skill": "MongoDB", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-016245-e1", "section": "experience", "source_type": "cv", "text": "3 years: built production systems with DynamoDB, a close alternative to MongoDB." } ]
{ "group_id": "data_storage", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "adjacent_tech", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-019751
0.1
0.1
{ "text": "Deep Kotlin expertise", "skill": "Kotlin", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-019751-e1", "section": "interview", "source_type": "interview", "text": "Candidate confirmed they have never worked with Kotlin." }, { "evidence_id": "sj-v004-syn-019751-e2", "section": "summary", "source_type": "cv", "text": "Also worked with Git an...
{ "group_id": "lang_core", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "verified_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-007551
0.1
0.1
{ "text": "Production accessibility skills", "skill": "accessibility", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-007551-e1", "section": "experience", "source_type": "cv", "text": "Trainee developer; shadowed seniors who fixed accessibility issues reported by QA." } ]
{ "group_id": "frontend", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "easy", "case_type": "below_target", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-031165
0.1
0.1
{ "text": "distributed consistency (must have)", "skill": "distributed consistency", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-031165-e1", "section": "interview", "source_type": "interview", "text": "Screening: asked about distributed consistency, 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-syn-019021
0.1
0.1
{ "text": "Expert-level OAuth2/OIDC", "skill": "OAuth2/OIDC", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-019021-e1", "section": "experience", "source_type": "cv", "text": "Lead engineer 2018-2023: designed SSO with OIDC and token exchange across 10 products." }, { "evidence_id": "sj-v004-syn-019021-e2", "section": "summary", "source_type": "cv", "text":...
{ "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-005820
0.1
0.1
{ "text": "REST API design experience", "skill": "REST API design", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-005820-e1", "section": "experience", "source_type": "cv", "text": "Backend engineer, 3 years: built REST endpoints with validation and pagination." } ]
{ "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-v008-cv-02172
0.1
0.1
{ "text": "Proven PostgreSQL in production", "skill": "PostgreSQL", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-02172-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Familiar with the basics, and have hands-on experience working with Git, PostgreSQL, Nginx and Linux." } ]
{ "group_id": "data_storage", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "convention_v02", "source": "synthetic_v008", "split": "train", "label_status": "synthetic_convention_v0.2" }
sj-v004-real-02915
0.1
0.1
{ "text": "Strong Java skills", "skill": "Java", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-02915-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Main programming languages - Java, basic knowledge of JavaScript." } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "f8cd62ac-53f8-58e5-81a1-3f64a4da16ce", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-004779
0.1
0.1
{ "text": "Experience with MongoDB", "skill": "MongoDB", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-004779-e1", "section": "summary", "source_type": "cv", "text": "Strong problem solver, passionate about technology." } ]
{ "group_id": "data_storage", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "easy", "case_type": "vague_claim", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-000533
0.1
0.1
{ "text": "Proven distributed tracing in production", "skill": "distributed tracing", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-000533-e1", "section": "skills_list", "source_type": "cv", "text": "Skills: distributed tracing, Git, Jira, Agile, Linux" } ]
{ "group_id": "reliability_obs", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-03759
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-03759-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Improved code coverage up to 85% with unit tests for advisor marketing platform." } ]
{ "group_id": "testing_quality", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "hard", "case_type": "real_strong_ownership", "source": "djinni_cv_en", "source_record": "abb6e264-a192-50a9-b81a-dbd1103e8ec5", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": ...
sj-v004-syn-027188
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-027188-e1", "section": "experience", "source_type": "cv", "text": "backend engineer, 3 years: took part in on-call and wrote postmortems." }, { "evidence_id": "sj-v004-syn-027188-e2", "section": "summary", "source_type": "cv", "text": "also worked wi...
{ "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-027007
0.1
0.1
{ "text": "Solid unit testing knowledge", "skill": "unit testing", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[]
{ "group_id": "testing_quality", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "easy", "case_type": "no_evidence", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-028854
0.1
0.1
{ "text": "Strong Kotlin skills", "skill": "Kotlin", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-028854-e1", "section": "summary", "source_type": "cv", "text": "Advanced Kotlin skills; strong Kotlin background." }, { "evidence_id": "sj-v004-syn-028854-e2", "section": "summary", "source_type": "cv", "text": "Looking for a product company." } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "claim_no_detail", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-004766
0.1
0.1
{ "text": "Proven TypeScript (frontend) in production", "skill": "TypeScript (frontend)", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-004766-e1", "section": "experience", "source_type": "cv", "text": "Day to day I wrote typed React components on my own." } ]
{ "group_id": "frontend", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "easy", "case_type": "direct_moderate", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v008-cv-01913
0.1
0.1
{ "text": "Production web performance skills", "skill": "web performance", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-01913-e1", "section": "cv_excerpt", "source_type": "cv", "text": "As a junior I assisted teammates who optimized bundle size with code splitting." } ]
{ "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-012817
0.1
0.1
{ "text": "Strong Kubernetes skills", "skill": "Kubernetes", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-012817-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-020693
0.1
0.1
{ "text": "Good understanding of mentoring", "skill": "mentoring", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-020693-e1", "section": "experience", "source_type": "cv", "text": "Summary: Team member on the payments squad (2021-2024). Hobbies: football." } ]
{ "group_id": "leadership", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "missing_skill", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-04260
0.1
0.1
{ "text": "Strong React skills", "skill": "React", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-04260-e1", "section": "cv_excerpt", "source_type": "cv", "text": "I have 1.5 years of experience as a front-end react developer." } ]
{ "group_id": "frontend", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "real_years_hands_on", "source": "djinni_cv_en", "source_record": "bbac6807-a966-5130-8835-cca0f642567a", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": "v...
sj-v004-syn-012376
0.1
0.1
{ "text": "Experience with Kubernetes", "skill": "Kubernetes", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-012376-e1", "section": "summary", "source_type": "cv", "text": "No hands-on Kubernetes experience yet; planning to learn it." } ]
{ "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-real-04506
0.1
0.1
{ "text": "Java experience", "skill": "Java", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-04506-e1", "section": "cv_excerpt", "source_type": "cv", "text": "I am a Belarus based full-stack java developer with more than 8 years experience developing scalable and efficient software systems." } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_years_hands_on", "source": "djinni_cv_en", "source_record": "de87f9ac-2dc4-582a-abbe-95f2af7f2766", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0....
sj-v004-syn-012515
0.1
0.1
{ "text": "Production MongoDB skills", "skill": "MongoDB", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-012515-e1", "section": "skills_list", "source_type": "cv", "text": "Technologies: Docker, MongoDB, Scrum, SQL" } ]
{ "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-real-05862
0.1
0.1
{ "text": "CI/CD experience", "skill": "CI/CD", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-05862-e1", "section": "cv_excerpt", "source_type": "cv", "text": "During the last time I successful developed a lot of complex projects and found ways for creating a flexible javascript architecture for large projects with big data. Also I have wide experience in worki...
{ "group_id": "cloud_devops", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "d1a8b168-c1f7-5d4f-9f75-e6ae860c2bcb", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-syn-001594
0.1
0.1
{ "text": "Expert-level Go", "skill": "Go", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-001594-e1", "section": "education", "source_type": "cv", "text": "University course project using Go for a simple CRUD demo." }, { "evidence_id": "sj-v004-syn-001594-e2", "section": "summary", "source_type": "cv", "text": "Looking for a product compa...
{ "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-011059
0.1
0.1
{ "text": "Production distributed tracing skills", "skill": "distributed tracing", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-011059-e1", "section": "summary", "source_type": "cv", "text": "profile: 'deep distributed tracing expertise', no further details given." } ]
{ "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-v004-syn-018929
0.1
0.1
{ "text": "Production Kotlin skills", "skill": "Kotlin", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-018929-e1", "section": "experience", "source_type": "cv", "text": "Intern then junior: with help from the lead, I contributed while the team built Ktor endpoints 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-v006-c-01080
0.1
0.1
{ "text": "Strong Python skills", "skill": "Python", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v006-c-01080-e1", "section": "experience", "source_type": "cv", "text": "Used Python on a small internal tool with help from a senior colleague." } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "contrast_partial_supported", "source": "synthetic_v006", "split": "train", "label_status": "synthetic_needs_review" }
sj-v005-bl3-00373
0.1
0.1
{ "text": "Hands-on OpenAPI", "skill": "OpenAPI", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v005-bl3-00373-e1", "section": "experience", "source_type": "cv", "text": "Mid-level engineer for 2 years: wrote OpenAPI specs for team services; handled the on-call for it." } ]
{ "group_id": "api_design", "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-003687
0.1
0.1
{ "text": "Strong hands-on gRPC background", "skill": "gRPC", "group_id": "api_design", "target_level": 4, "importance": "must" }
[]
{ "group_id": "api_design", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "easy", "case_type": "no_evidence", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-010421
0.1
0.1
{ "text": "Strong Rust skills", "skill": "Rust", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-010421-e1", "section": "experience", "source_type": "cv", "text": "our team implemented a rust log shipper replacing logstash, 10x lower cpu. 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-v004-syn-023634
0.1
0.1
{ "text": "Working knowledge of database migrations", "skill": "database migrations", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-023634-e1", "section": "experience", "source_type": "cv", "text": "Delivered features end-to-end where I 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" }
sj-v006-c-00582
0.1
0.1
{ "text": "Commercial Go experience", "skill": "Go", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v006-c-00582-e1", "section": "experience", "source_type": "cv", "text": "Built and operated Go components in production for 2+ years: built Go microservices and fixed production bugs." } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "contrast_partial_supported", "source": "synthetic_v006", "split": "train", "label_status": "synthetic_needs_review" }
sj-v008-cv-01339
0.1
0.1
{ "text": "Production Redis skills", "skill": "Redis", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-01339-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Contributed to an e-commerce project (Redis)." } ]
{ "group_id": "data_storage", "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-023393
0.1
0.1
{ "text": "Deep technical design docs expertise", "skill": "technical design docs", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-023393-e1", "section": "projects", "source_type": "portfolio", "text": "Personal project: followed a tutorial to try technical design docs on a toy app." } ]
{ "group_id": "leadership", "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-001771
0.1
0.1
{ "text": "Good understanding of OpenAPI", "skill": "OpenAPI", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-001771-e1", "section": "experience", "source_type": "cv", "text": "core contributor to the openapi ecosystem; introduced contract-first openapi workflow with generated sdks." }, { "evidence_id": "sj-v004-syn-001771-e2", "section": "summary", "source_type...
{ "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-06523
0.1
0.1
{ "text": "Strong mentoring skills", "skill": "mentoring", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-06523-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Database architecture in relational database server in MySql Data Quality checks using Python and Power BI Extracting, transforming and loading big data from various relational databases" } ]
{ "group_id": "leadership", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "0e007495-1eda-5efe-8b38-441632f3c3a9", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v005-bl3-00128
0.1
0.1
{ "text": "Experience with authorization (RBAC)", "skill": "authorization (RBAC)", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v005-bl3-00128-e1", "section": "experience", "source_type": "cv", "text": "In my current job I implemented role checks in APIs and fix issues without help." } ]
{ "group_id": "security", "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-005013
0.1
0.1
{ "text": "Good understanding of GCP", "skill": "GCP", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-005013-e1", "section": "experience", "source_type": "cv", "text": "intern then junior: with help from the lead, i contributed while the team ran services on cloud run and cloud sql." }, { "evidence_id": "sj-v004-syn-005013-e2", "section": "summary", "sou...
{ "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-001421
0.1
0.1
{ "text": "Working knowledge of hiring", "skill": "hiring", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-001421-e1", "section": "experience", "source_type": "cv", "text": "Summary: Team member on the payments squad (2021-2024). Hobbies: football." } ]
{ "group_id": "leadership", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "missing_skill", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-008944
0.1
0.1
{ "text": "Hands-on PostgreSQL", "skill": "PostgreSQL", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-008944-e1", "section": "experience", "source_type": "cv", "text": "staff+ engineer who partitioned a 3tb postgresql table and tuned indexes cutting queries from 40s to 1s, setting postgresql standards across the organization." }, { "evidence_id": "sj-v004-syn-00...
{ "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-v006-c-01937
0.1
0.1
{ "text": "Strong encryption skills", "skill": "encryption", "group_id": "security", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v006-c-01937-e1", "section": "experience", "source_type": "cv", "text": "Used encryption on a small internal tool with help from a senior colleague." } ]
{ "group_id": "security", "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-004182
0.1
0.1
{ "text": "Experience with web performance", "skill": "web performance", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-004182-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." }, { "evidence_id": "sj-v004-syn-004182-e2", "section": "...
{ "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-003240
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-003240-e1", "section": "experience", "source_type": "cv", "text": "Owned the initiative where I set testing standards and raised coverage from 30% to 85% across the org, and drove unit testing decisions for the team." } ]
{ "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-005915
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-005915-e1", "section": "summary", "source_type": "cv", "text": "self-motivated developer who enjoys challenges." } ]
{ "group_id": "reliability_obs", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "easy", "case_type": "vague_claim", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-05418
0.1
0.1
{ "text": "Proven C#/.NET in production", "skill": "C#/.NET", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-05418-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Successfully managed 50+ customers’ accounts simultaneously. Worked on at least 4 implementation projects simultaneously. Resolved an average of 50+ inquiries per day." } ]
{ "group_id": "lang_core", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "64d35886-313a-5819-8fe9-fc573250a828", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-syn-006660
0.1
0.1
{ "text": "Strong hands-on database migrations background", "skill": "database migrations", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[]
{ "group_id": "data_storage", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "easy", "case_type": "no_evidence", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v006-c-01711
0.1
0.1
{ "text": "Commercial gRPC experience", "skill": "gRPC", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v006-c-01711-e1", "section": "experience", "source_type": "cv", "text": "Built a small gRPC demo app following an online tutorial." } ]
{ "group_id": "api_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-real-04822
0.1
0.1
{ "text": "Proven microservices in production", "skill": "microservices", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-04822-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Built ci/cd for microservice application" } ]
{ "group_id": "system_design", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "9f6e60e9-6492-5f70-9e5f-fe3949014d32", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v008-cv-01264
0.1
0.1
{ "text": "Commercial Node.js experience", "skill": "Node.js", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-01264-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Cut build time by 40% by tuning the Node.js 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-013380
0.1
0.1
{ "text": "Deep MongoDB expertise", "skill": "MongoDB", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-013380-e1", "section": "summary", "source_type": "cv", "text": "fast learner, team player, results-driven." } ]
{ "group_id": "data_storage", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "easy", "case_type": "vague_claim", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-04172
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-04172-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Maintained company's internal applications(Angular, MaterialUI, Node.js," } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "30c972be-fbcc-500c-8a72-d6d851f4dadc", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-003253
0.1
0.1
{ "text": "Deep accessibility expertise", "skill": "accessibility", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-003253-e1", "section": "experience", "source_type": "cv", "text": "As distinguished engineer I led WCAG 2.1 AA remediation and audits; I am the go-to accessibility authority company-wide and publish on accessibility." }, { "evidence_id": "sj-v004-syn-003253-e2",...
{ "group_id": "frontend", "evidence_label": "supported", "proficiency_label": "5" }
{ "difficulty": "easy", "case_type": "expert", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-010619
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-010619-e1", "section": "experience", "source_type": "cv", "text": "CV: partitioned a 3TB PostgreSQL table and tuned indexes cutting queries from 40s to 1s." }, { "evidence_id": "sj-v004-syn-010619-e2", "section": "interview", "source_type": "interview", ...
{ "group_id": "data_storage", "evidence_label": "contradicted", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "cv_vs_interview", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-009247
0.1
0.1
{ "text": "Kafka (must have)", "skill": "Kafka", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-009247-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-01177
0.1
0.1
{ "text": "Production incident response skills", "skill": "incident response", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-01177-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Cut build time by 40% by tuning the incident response configuration." } ]
{ "group_id": "reliability_obs", "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-022460
0.1
0.1
{ "text": "Solid accessibility knowledge", "skill": "accessibility", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-022460-e1", "section": "experience", "source_type": "cv", "text": "Owned the initiative where I led WCAG 2.1 AA remediation and audits, and drove accessibility decisions for the team." }, { "evidence_id": "sj-v004-syn-022460-e2", "section": "summary", "s...
{ "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-025865
0.1
0.1
{ "text": "AWS experience", "skill": "AWS", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-025865-e1", "section": "skills_list", "source_type": "cv", "text": "Skills: AWS, Git, Jira, Agile, Linux" }, { "evidence_id": "sj-v004-syn-025865-e2", "section": "summary", "source_type": "cv", "text": "Agile/Scrum teams of 5-8 people." } ]
{ "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-000736
0.1
0.1
{ "text": "Strong hands-on TDD background", "skill": "TDD", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-000736-e1", "section": "experience", "source_type": "cv", "text": "Lead engineer 2018-2023: coached teams on TDD and ran katas; team defect rate dropped 50%." } ]
{ "group_id": "testing_quality", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-009335
0.1
0.1
{ "text": "Experience with Python", "skill": "Python", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-009335-e1", "section": "summary", "source_type": "cv", "text": "Python guru, top expert level." } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "claim_no_detail", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v008-cv-01173
0.1
0.1
{ "text": "Hands-on TypeScript (frontend)", "skill": "TypeScript (frontend)", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-01173-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Ran a TypeScript (frontend) study group for university students for a semester." } ]
{ "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-019394
0.1
0.1
{ "text": "Hands-on MySQL", "skill": "MySQL", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-019394-e1", "section": "summary", "source_type": "cv", "text": "I have not used MySQL professionally or in projects; my experience is in other areas." } ]
{ "group_id": "data_storage", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "explicit_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-001461
0.1
0.1
{ "text": "Expert-level gRPC", "skill": "gRPC", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-001461-e1", "section": "experience", "source_type": "cv", "text": "Mid-level developer: implemented gRPC services with deadlines and retries; shipped to production regularly." }, { "evidence_id": "sj-v004-syn-001461-e2", "section": "summary", "source_typ...
{ "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-real-04180
0.1
0.1
{ "text": "Java experience", "skill": "Java", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-04180-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Stack: MVC/MVP/MVVM patterns, Java, Kotlin, Android SDK, WebSockets, EventBus, Coroutines, BLE, ExoPlayer." } ]
{ "group_id": "lang_core", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_keyword_list", "source": "djinni_cv_en", "source_record": "bb29c88d-318c-527b-be0b-a7f0ad0af194", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": "v0....
sj-v004-real-02843
0.1
0.1
{ "text": "Python experience", "skill": "Python", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-02843-e1", "section": "cv_excerpt", "source_type": "cv", "text": "7 years in commercial C++, using Python for internal needs:" } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "real_years_hands_on", "source": "djinni_cv_en", "source_record": "e0aa82e0-92d0-532c-a80a-65d616a5d2fe", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": "v...
sj-v004-real-04236
0.1
0.1
{ "text": "Python experience", "skill": "Python", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-04236-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Tools: Python 3, Django, Django REST framework, Django Channels, Celery, Typescript, Angular, SASS, Webpack, PostgreSQL, Nginx, Linux" } ]
{ "group_id": "lang_core", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_keyword_list", "source": "djinni_cv_en", "source_record": "907318e8-c322-5e8e-bd7b-e91511fb84aa", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": "v0....
sj-v004-syn-009510
0.1
0.1
{ "text": "Working knowledge of API versioning", "skill": "API versioning", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-009510-e1", "section": "experience", "source_type": "cv", "text": "CV: created deprecation and versioning policy adopted company-wide." }, { "evidence_id": "sj-v004-syn-009510-e2", "section": "interview", "source_type": "interview", "text": "Intervie...
{ "group_id": "api_design", "evidence_label": "contradicted", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "cv_vs_interview", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-025619
0.1
0.1
{ "text": "Good understanding of web performance", "skill": "web performance", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-025619-e1", "section": "experience", "source_type": "cv", "text": "In my last role I improved Core Web Vitals (LCP 4.1s to 1.6s) across the storefront." }, { "evidence_id": "sj-v004-syn-025619-e2", "section": "summary", "source_type": "cv", "text": "...
{ "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-020612
0.1
0.1
{ "text": "Deep caching strategy expertise", "skill": "caching strategy", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-020612-e1", "section": "education", "source_type": "cv", "text": "University course project using caching strategy for a simple CRUD demo." } ]
{ "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-010597
0.1
0.1
{ "text": "Hands-on technical design docs", "skill": "technical design docs", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-010597-e1", "section": "summary", "source_type": "cv", "text": "Expert in technical design docs with 10 years of experience." }, { "evidence_id": "sj-v004-syn-010597-e2", "section": "summary", "source_type": "cv", "text": "Also worked with Git and Ji...
{ "group_id": "leadership", "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-01957
0.1
0.1
{ "text": "Strong encryption skills", "skill": "encryption", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v006-c-01957-e1", "section": "experience", "source_type": "cv", "text": "Built and operated encryption components in production for 2+ years: enabled TLS and field encryption for user data." } ]
{ "group_id": "security", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "contrast_partial_supported", "source": "synthetic_v006", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-01569
0.1
0.1
{ "text": "Proven Kubernetes in production", "skill": "Kubernetes", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-01569-e1", "section": "cv_excerpt", "source_type": "cv", "text": "2) Worked closely with Machine Learning team to build and implement Machine Translation services hosted on Kubernetes" } ]
{ "group_id": "cloud_devops", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "87ce333f-da1a-561d-9d22-f2b184b6dd41", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-real-06181
0.1
0.1
{ "text": "MySQL experience", "skill": "MySQL", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-06181-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Successful management of a small group of people ( 3 -4 people ) Improved IT market research in America and EMEA Direct market research studies and" } ]
{ "group_id": "data_storage", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "1f2a89fe-579e-5990-8c79-256ce3a10f96", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-syn-009213
0.1
0.1
{ "text": "Strong TDD skills", "skill": "TDD", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-009213-e1", "section": "experience", "source_type": "cv", "text": "Did a TDD tutorial and a hello-world app on GitHub." } ]
{ "group_id": "testing_quality", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "easy", "case_type": "toy_project", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v002-tr-0037
0.1
0.1
{ "text": "Strong code review skills", "skill": "code review", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v002-tr-0037-e1", "section": "projects", "source_type": "portfolio", "text": "Personal project: followed a tutorial to try code review on a toy app." } ]
{ "group_id": "testing_quality", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "easy", "case_type": "toy_project", "source": "synthetic_v002", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-018143
0.1
0.1
{ "text": "Solid performance tuning knowledge", "skill": "performance tuning", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-018143-e1", "section": "experience", "source_type": "cv", "text": "Senior engineer (2019-2024): profiled and tuned JVM services increasing throughput 3x on the same hardware." } ]
{ "group_id": "reliability_obs", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v005-bl3-00171
0.1
0.1
{ "text": "Solid Java knowledge", "skill": "Java", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v005-bl3-00171-e1", "section": "experience", "source_type": "cv", "text": "Over 3 years I owned Spring Boot services end-to-end; feature owner, no design ownership." } ]
{ "group_id": "lang_core", "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-012810
0.1
0.1
{ "text": "Production Kubernetes skills", "skill": "Kubernetes", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-012810-e1", "section": "projects", "source_type": "portfolio", "text": "case study: designed multi-cluster kubernetes platform with autoscaling and gitops for 40 services. includes architecture diagrams and benchmark results." }, { "evidence_id": "sj-v004-syn-01...
{ "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-010465
0.1
0.1
{ "text": "Production GCP skills", "skill": "GCP", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-010465-e1", "section": "experience", "source_type": "cv", "text": "Staff+ engineer who architected GCP data platform on GKE and BigQuery, setting GCP standards across the organization." }, { "evidence_id": "sj-v004-syn-010465-e2", "section": "interview", ...
{ "group_id": "cloud_devops", "evidence_label": "supported", "proficiency_label": "5" }
{ "difficulty": "easy", "case_type": "expert", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-005942
0.1
0.1
{ "text": "Strong Redis skills", "skill": "Redis", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-005942-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-005942-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-012438
0.1
0.1
{ "text": "Experience with state management", "skill": "state management", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-012438-e1", "section": "experience", "source_type": "cv", "text": "Claimed: designed client state architecture with Redux Toolkit and React Query." }, { "evidence_id": "sj-v004-syn-012438-e2", "section": "interview", "source_type": "interview", "text...
{ "group_id": "frontend", "evidence_label": "contradicted", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "cv_vs_interview", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-000665
0.1
0.1
{ "text": "Practical Kubernetes experience", "skill": "Kubernetes", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-000665-e1", "section": "summary", "source_type": "cv", "text": "Haven't worked with Kubernetes; my background is elsewhere." } ]
{ "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-024164
0.1
0.1
{ "text": "Experience with Terraform", "skill": "Terraform", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-024164-e1", "section": "experience", "source_type": "cv", "text": "Resume claims they authored reusable Terraform modules used by 15 teams." }, { "evidence_id": "sj-v004-syn-024164-e2", "section": "interview", "source_type": "interview", "text": "Int...
{ "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-real-06419
0.1
0.1
{ "text": "Redis experience", "skill": "Redis", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-06419-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Dynamic and result-oriented executive with over 30 years of experience in IT industry Proven expertise in setting up new start-ups, organizational structures, building management teams for IT companies. ...
{ "group_id": "data_storage", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "3ef17293-6272-5b87-9509-61daeb261d01", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v008-cv-00024
0.1
0.1
{ "text": "Commercial GraphQL experience", "skill": "GraphQL", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-00024-e1", "section": "cv_excerpt", "source_type": "cv", "text": "At a mid-size company I designed a federated GraphQL schema with dataloader batching for 8 teams." } ]
{ "group_id": "api_design", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "hard", "case_type": "convention_v02", "source": "synthetic_v008", "split": "train", "label_status": "synthetic_convention_v0.2" }
sj-v004-syn-013058
0.1
0.1
{ "text": "authorization (RBAC) experience", "skill": "authorization (RBAC)", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-013058-e1", "section": "education", "source_type": "cv", "text": "University course project using authorization (RBAC) for a simple CRUD demo." } ]
{ "group_id": "security", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "easy", "case_type": "toy_project", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-015674
0.1
0.1
{ "text": "Solid GraphQL knowledge", "skill": "GraphQL", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-015674-e1", "section": "experience", "source_type": "cv", "text": "day to day i built graphql resolvers for the mobile app on my own." } ]
{ "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-024517
0.1
0.1
{ "text": "Working knowledge of distributed tracing", "skill": "distributed tracing", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-024517-e1", "section": "skills_list", "source_type": "cv", "text": "Keywords: Agile, distributed tracing, Linux, REST" }, { "evidence_id": "sj-v004-syn-024517-e2", "section": "summary", "source_type": "cv", "text": "Based in Europe, open to remote." ...
{ "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-v003-rtr-0048
0.1
0.1
{ "text": "Proven Java in production", "skill": "Java", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v003-rtr-0048-e1", "section": "cv_excerpt", "source_type": "cv", "text": "I am a Software Developer with 13 years professional experience, mainly at Database Development (MS SQL Server), also I had about 1,5 years of experience with native Android Development (Kotlin, Java)." ...
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "real_years_hands_on", "source": "djinni_cv_en", "source_record": "373aa62c-2faa-50c0-bf89-8c422b483a9e", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": "v...