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sj-v004-real-03085
0.1
0.1
{ "text": "AWS experience", "skill": "AWS", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-03085-e1", "section": "cv_excerpt", "source_type": "cv", "text": "I support one mashing learning project and have some experience to work with AWS EC2 S3." } ]
{ "group_id": "cloud_devops", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "b84dab39-5a6b-5f40-bb9f-6ba7e1c3c956", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-003566
0.1
0.1
{ "text": "cross-team leadership experience", "skill": "cross-team leadership", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-003566-e1", "section": "experience", "source_type": "cv", "text": "Intern then junior: with help from the lead, I contributed while the team coordinated with one partner team on integration." } ]
{ "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-00782
0.1
0.1
{ "text": "Strong Python skills", "skill": "Python", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-00782-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Familiar with following programming languages: Bash, Python, PHP, HTML, CSS." } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "ea8812c3-83f0-5bfa-8179-f300d17b45aa", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-017792
0.1
0.1
{ "text": "Strong hands-on Kafka background", "skill": "Kafka", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-017792-e1", "section": "experience", "source_type": "cv", "text": "lead engineer 2018-2023: designed a kafka event backbone processing 50m events/day with exactly-once via outbox." } ]
{ "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-030891
0.1
0.1
{ "text": "Production REST API design skills", "skill": "REST API design", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-030891-e1", "section": "summary", "source_type": "cv", "text": "Passionate engineer who loves clean code and best practices." } ]
{ "group_id": "api_design", "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-008997
0.1
0.1
{ "text": "Strong Kafka skills", "skill": "Kafka", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-008997-e1", "section": "experience", "source_type": "cv", "text": "Did a Kafka tutorial and a hello-world app on GitHub." } ]
{ "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-000340
0.1
0.1
{ "text": "Hands-on monitoring", "skill": "monitoring", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-000340-e1", "section": "summary", "source_type": "cv", "text": "I have not used monitoring professionally or in projects; my experience is in other areas." } ]
{ "group_id": "reliability_obs", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "explicit_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-023602
0.1
0.1
{ "text": "distributed tracing (must have)", "skill": "distributed tracing", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-023602-e1", "section": "experience", "source_type": "cv", "text": "The platform team rolled out OpenTelemetry tracing across 30 services and used it to cut latency 40%. I joined late and handled minor tasks." } ]
{ "group_id": "reliability_obs", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "team_credit", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-005081
0.1
0.1
{ "text": "Hands-on caching strategy", "skill": "caching strategy", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-005081-e1", "section": "experience", "source_type": "cv", "text": "Claimed: designed multi-layer caching (CDN, Redis, local) cutting DB load 70%." }, { "evidence_id": "sj-v004-syn-005081-e2", "section": "interview", "source_type": "interview", "text"...
{ "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-010194
0.1
0.1
{ "text": "Hands-on encryption", "skill": "encryption", "group_id": "security", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-010194-e1", "section": "experience", "source_type": "cv", "text": "Under supervision I worked on small parts while the team enabled TLS and field encryption for user data." }, { "evidence_id": "sj-v004-syn-010194-e2", "section": "summary", "source_type":...
{ "group_id": "security", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "easy", "case_type": "below_target", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-05946
0.1
0.1
{ "text": "Strong Go skills", "skill": "Go", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-05946-e1", "section": "cv_excerpt", "source_type": "cv", "text": "I consider leaving the office job for a freelance to be one of the big achievements. The reason is that I was not prepared to live a \"free\" life and was not aware of responsibilities, decision making, ...
{ "group_id": "lang_core", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "4e0e6cbc-b2a0-5567-be2b-c46c21511352", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-syn-008484
0.1
0.1
{ "text": "Experience with REST API design", "skill": "REST API design", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-008484-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-00309
0.1
0.1
{ "text": "Strong code review skills", "skill": "code review", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-00309-e1", "section": "cv_excerpt", "source_type": "cv", "text": "At a mid-size company I created code review guidelines and reviewed ~20 PRs/week as tech lead." } ]
{ "group_id": "testing_quality", "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-023242
0.1
0.1
{ "text": "Strong hands-on Kafka background", "skill": "Kafka", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-023242-e1", "section": "experience", "source_type": "cv", "text": "Independently built Kafka producers and consumers with retries; on-call owner for it." }, { "evidence_id": "sj-v004-syn-023242-e2", "section": "summary", "source_type": "cv", "text": ...
{ "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-020512
0.1
0.1
{ "text": "Working knowledge of Java", "skill": "Java", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-020512-e1", "section": "experience", "source_type": "cv", "text": "Software engineer (2021-2024): owned Spring Boot services end-to-end." }, { "evidence_id": "sj-v004-syn-020512-e2", "section": "summary", "source_type": "cv", "text": "Agile/Scrum tea...
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "easy", "case_type": "direct_moderate", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-05920
0.1
0.1
{ "text": "Strong Kubernetes skills", "skill": "Kubernetes", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-05920-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Rozetka - currently working on the product side. I'm a part of developing SCRUM team for Rozetka's e-commerce product. Experience with: developing app on Angular and Node.js stack;" } ]
{ "group_id": "cloud_devops", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "ce76fdef-4d9c-5853-973c-932d55351f75", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-syn-020135
0.1
0.1
{ "text": "Commercial experience with web performance", "skill": "web performance", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-020135-e1", "section": "interview", "source_type": "interview", "text": "Interviewer: zero web performance exposure confirmed by candidate." }, { "evidence_id": "sj-v004-syn-020135-e2", "section": "summary", "source_type": "cv", "text": "Agile/Scrum ...
{ "group_id": "frontend", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "verified_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-011034
0.1
0.1
{ "text": "Strong hands-on API versioning background", "skill": "API versioning", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-011034-e1", "section": "experience", "source_type": "cv", "text": "CV: created deprecation and versioning policy adopted company-wide." }, { "evidence_id": "sj-v004-syn-011034-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-021944
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-021944-e1", "section": "experience", "source_type": "cv", "text": "resume claims they designed multi-cluster kubernetes platform with autoscaling and gitops for 40 services." }, { "evidence_id": "sj-v004-syn-021944-e2", "section": "interview", "source_ty...
{ "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-v006-c-01272
0.1
0.1
{ "text": "Hands-on Terraform", "skill": "Terraform", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v006-c-01272-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-v004-syn-006864
0.1
0.1
{ "text": "Hands-on TDD", "skill": "TDD", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-006864-e1", "section": "projects", "source_type": "portfolio", "text": "Case study: coached teams on TDD and ran katas; team defect rate dropped 50%. Includes architecture diagrams and benchmark results." }, { "evidence_id": "sj-v004-syn-006864-e2", "section...
{ "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-real-02676
0.1
0.1
{ "text": "C#/.NET experience", "skill": "C#/.NET", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-02676-e1", "section": "cv_excerpt", "source_type": "cv", "text": "In another project, I developed a dice roller simulator application using C#, Unity, and Unity ADS." } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "9e46690a-5dac-51ba-b54d-a538a53f1658", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v008-cv-01244
0.1
0.1
{ "text": "Production Python skills", "skill": "Python", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-01244-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Would like to grow into Python development in the future." } ]
{ "group_id": "lang_core", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "convention_v02", "source": "synthetic_v008", "split": "train", "label_status": "synthetic_convention_v0.2" }
sj-v004-syn-005497
0.1
0.1
{ "text": "Solid Kafka knowledge", "skill": "Kafka", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-005497-e1", "section": "experience", "source_type": "cv", "text": "Our squad designed a Kafka event backbone processing 50M events/day with exactly-once via outbox; I mainly fixed bugs and wrote docs." }, { "evidence_id": "sj-v004-syn-005497-e2", "section": ...
{ "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-v005-bl3-00362
0.1
0.1
{ "text": "Production Docker skills", "skill": "Docker", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v005-bl3-00362-e1", "section": "experience", "source_type": "cv", "text": "Mid-level engineer for 2 years: containerized services with Docker; 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-008394
0.1
0.1
{ "text": "React (must have)", "skill": "React", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-008394-e1", "section": "experience", "source_type": "cv", "text": "summary: backend engineer, go and postgresql, 7 years. hobbies: football." } ]
{ "group_id": "frontend", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "missing_skill", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-03454
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-03454-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Technologies: Javascript, ES2015, AngularJs, Angular, Jquery, HTML5, CSS3, Firebase, familiar with React, Vue (I had no projects, but tried it myself), worked with PHP, Yii2, Docker, NodeJs, MongoDB, Mys...
{ "group_id": "lang_core", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_keyword_list", "source": "djinni_cv_en", "source_record": "9142b09f-64b5-53f0-9284-9d959a2e2d62", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": "v0....
sj-v004-syn-003178
0.1
0.1
{ "text": "Proven scalable system design in production", "skill": "scalable system design", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-003178-e1", "section": "interview", "source_type": "interview", "text": "Screening: asked about scalable system design, 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-009732
0.1
0.1
{ "text": "Practical SLO/SLI experience", "skill": "SLO/SLI", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-009732-e1", "section": "summary", "source_type": "cv", "text": "Advanced SLO/SLI skills; strong SLO/SLI background." } ]
{ "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-v008-cv-00039
0.1
0.1
{ "text": "Hands-on encryption", "skill": "encryption", "group_id": "security", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-00039-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Completed an online encryption course with a certificate." } ]
{ "group_id": "security", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "convention_v02", "source": "synthetic_v008", "split": "train", "label_status": "synthetic_convention_v0.2" }
sj-v008-cv-01978
0.1
0.1
{ "text": "Hands-on Elasticsearch", "skill": "Elasticsearch", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-01978-e1", "section": "cv_excerpt", "source_type": "cv", "text": "At my previous startup I designed Elasticsearch index strategy for 500M docs with relevance tuning." } ]
{ "group_id": "data_storage", "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-016720
0.1
0.1
{ "text": "Expert-level database migrations", "skill": "database migrations", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-016720-e1", "section": "interview", "source_type": "interview", "text": "Interview notes: candidate stated they never used database migrations." }, { "evidence_id": "sj-v004-syn-016720-e2", "section": "summary", "source_type": "cv", "text": "Based in...
{ "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-021720
0.1
0.1
{ "text": "Hands-on hiring", "skill": "hiring", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-021720-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-04070
0.1
0.1
{ "text": "Kafka experience", "skill": "Kafka", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-04070-e1", "section": "cv_excerpt", "source_type": "cv", "text": "At SmartCow, I designed a from scratch configurable service for remote control of Jetson devices via Kafka messaging and implemented the backend system for image inferencing and similarity search with Nv...
{ "group_id": "system_design", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "9e5ebed2-5c3d-570e-81a6-beb797e65390", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-real-06647
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-06647-e1", "section": "cv_excerpt", "source_type": "cv", "text": "I am Ryan Driskill from Kansas, a senior Blockchain Engineer. I am a proficient full-stack developer with 7 years of experience and 5 years of blockchain experience. I've proven experience in smart contr...
{ "group_id": "cloud_devops", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "8dd77d95-a744-5b98-82aa-dcbf397783b9", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-syn-016821
0.1
0.1
{ "text": "Proven mentoring in production", "skill": "mentoring", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-016821-e1", "section": "experience", "source_type": "cv", "text": "Contributed peripheral tickets to a project where the team mentored 6 engineers, 3 promoted, and ran the onboarding program." } ]
{ "group_id": "leadership", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "team_credit", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v008-cv-00729
0.1
0.1
{ "text": "Hands-on web performance", "skill": "web performance", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-00729-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Open to learning web performance if the project needs it." } ]
{ "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-v006-c-01083
0.1
0.1
{ "text": "Strong GraphQL skills", "skill": "GraphQL", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v006-c-01083-e1", "section": "experience", "source_type": "cv", "text": "Used GraphQL on a small internal tool with help from a senior colleague." } ]
{ "group_id": "api_design", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "contrast_partial_supported", "source": "synthetic_v006", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-002872
0.1
0.1
{ "text": "distributed tracing (must have)", "skill": "distributed tracing", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-002872-e1", "section": "experience", "source_type": "cv", "text": "Resume claims they rolled out OpenTelemetry tracing across 30 services and used it to cut latency 40%." }, { "evidence_id": "sj-v004-syn-002872-e2", "section": "interview", "source_type":...
{ "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-016372
0.1
0.1
{ "text": "Practical TypeScript (frontend) experience", "skill": "TypeScript (frontend)", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-016372-e1", "section": "experience", "source_type": "cv", "text": "Independently wrote typed React components; on-call owner for it." }, { "evidence_id": "sj-v004-syn-016372-e2", "section": "summary", "source_type": "cv", "text": "Looking for a produ...
{ "group_id": "frontend", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "easy", "case_type": "direct_moderate", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-000348
0.1
0.1
{ "text": "Practical database migrations experience", "skill": "database migrations", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-000348-e1", "section": "experience", "source_type": "cv", "text": "Claimed: led zero-downtime migration of 200 tables to a new schema." }, { "evidence_id": "sj-v004-syn-000348-e2", "section": "interview", "source_type": "interview", "text": "Intervie...
{ "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-real-01526
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-01526-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Stack: Python, numpy, tf, pytorch." } ]
{ "group_id": "lang_core", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_keyword_list", "source": "djinni_cv_en", "source_record": "cb2d3f50-4993-5457-a2dd-e46f39da6446", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2"...
sj-v004-syn-003505
0.1
0.1
{ "text": "Working knowledge of GCP", "skill": "GCP", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-003505-e1", "section": "summary", "source_type": "cv", "text": "Haven't worked with GCP; 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-015495
0.1
0.1
{ "text": "Commercial experience with integration testing", "skill": "integration testing", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-015495-e1", "section": "experience", "source_type": "cv", "text": "Was part of a team that built Testcontainers-based integration test framework adopted by 10 teams; I worked on smaller tickets around it." } ]
{ "group_id": "testing_quality", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "team_credit", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-011080
0.1
0.1
{ "text": "Solid AWS knowledge", "skill": "AWS", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-011080-e1", "section": "experience", "source_type": "cv", "text": "Core contributor to the AWS ecosystem; designed AWS multi-account landing zone (EKS, RDS, IAM) for the company." }, { "evidence_id": "sj-v004-syn-011080-e2", "section": "summary", "source...
{ "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-010858
0.1
0.1
{ "text": "Good understanding of SLO/SLI", "skill": "SLO/SLI", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-010858-e1", "section": "skills_list", "source_type": "cv", "text": "Technologies: Docker, SLO/SLI, Scrum, SQL" } ]
{ "group_id": "reliability_obs", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-021586
0.1
0.1
{ "text": "Expert-level Terraform", "skill": "Terraform", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-021586-e1", "section": "experience", "source_type": "cv", "text": "In my last role I authored reusable Terraform modules used by 15 teams." } ]
{ "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-014046
0.1
0.1
{ "text": "Solid OAuth2/OIDC knowledge", "skill": "OAuth2/OIDC", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-014046-e1", "section": "skills_list", "source_type": "cv", "text": "Keywords: Agile, OAuth2/OIDC, Linux, REST" }, { "evidence_id": "sj-v004-syn-014046-e2", "section": "summary", "source_type": "cv", "text": "Based in Europe, open to remote." } ]
{ "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-011439
0.1
0.1
{ "text": "Hands-on MongoDB", "skill": "MongoDB", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-011439-e1", "section": "experience", "source_type": "cv", "text": "Owned the initiative where I modeled sharded MongoDB collections for 2B documents, and drove MongoDB decisions for the team." } ]
{ "group_id": "data_storage", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-019553
0.1
0.1
{ "text": "Production authorization (RBAC) skills", "skill": "authorization (RBAC)", "group_id": "security", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-019553-e1", "section": "skills_list", "source_type": "cv", "text": "Skills: authorization (RBAC), Git, Jira, Agile, Linux" }, { "evidence_id": "sj-v004-syn-019553-e2", "section": "summary", "source_type": "cv", "text": "B.Sc. in Computer Science." ...
{ "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-010867
0.1
0.1
{ "text": "Commercial experience with scalable system design", "skill": "scalable system design", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-010867-e1", "section": "skills_list", "source_type": "cv", "text": "Keywords: Agile, scalable system design, Linux, REST" }, { "evidence_id": "sj-v004-syn-010867-e2", "section": "summary", "source_type": "cv", "text": "Fluent English." } ]
{ "group_id": "system_design", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-015680
0.1
0.1
{ "text": "Working knowledge of caching strategy", "skill": "caching strategy", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-015680-e1", "section": "skills_list", "source_type": "cv", "text": "Technologies: Docker, caching strategy, Scrum, SQL" } ]
{ "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-011101
0.1
0.1
{ "text": "Working knowledge of CI/CD", "skill": "CI/CD", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-011101-e1", "section": "experience", "source_type": "cv", "text": "Software engineer (2021-2024): maintained GitHub Actions pipelines." } ]
{ "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-022254
0.1
0.1
{ "text": "Working knowledge of Redis", "skill": "Redis", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-022254-e1", "section": "summary", "source_type": "cv", "text": "I have not used Redis 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-005552
0.1
0.1
{ "text": "Experience with Kubernetes", "skill": "Kubernetes", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-005552-e1", "section": "experience", "source_type": "cv", "text": "claimed: designed multi-cluster kubernetes platform with autoscaling and gitops for 40 services." }, { "evidence_id": "sj-v004-syn-005552-e2", "section": "interview", "source_type": "inte...
{ "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-v008-cv-00441
0.1
0.1
{ "text": "Commercial encryption experience", "skill": "encryption", "group_id": "security", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-00441-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Took part in a logistics app project built on encryption." } ]
{ "group_id": "security", "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-017384
0.1
0.1
{ "text": "Commercial experience with MySQL", "skill": "MySQL", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-017384-e1", "section": "summary", "source_type": "cv", "text": "No hands-on MySQL experience yet; planning to learn it." } ]
{ "group_id": "data_storage", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "explicit_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-015391
0.1
0.1
{ "text": "Solid GraphQL knowledge", "skill": "GraphQL", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-015391-e1", "section": "experience", "source_type": "cv", "text": "Lead engineer 2018-2023: designed a federated GraphQL schema with dataloader batching for 8 teams." }, { "evidence_id": "sj-v004-syn-015391-e2", "section": "summary", "source_type": "cv",...
{ "group_id": "api_design", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-01584
0.1
0.1
{ "text": "Proven Python in production", "skill": "Python", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-01584-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Also I have worked on few automations using python." } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "b6560f56-fd97-5809-8978-fe4f4c101758", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-016382
0.1
0.1
{ "text": "Production incident response skills", "skill": "incident response", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-016382-e1", "section": "experience", "source_type": "cv", "text": "senior engineer (2019-2024): led incident command for sev1 outages and created the postmortem process." } ]
{ "group_id": "reliability_obs", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-008863
0.1
0.1
{ "text": "React experience", "skill": "React", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-008863-e1", "section": "experience", "source_type": "cv", "text": "Side project: small React demo built while following an online course." } ]
{ "group_id": "frontend", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "easy", "case_type": "toy_project", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-027983
0.1
0.1
{ "text": "Good understanding of accessibility", "skill": "accessibility", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-027983-e1", "section": "experience", "source_type": "cv", "text": "Was part of a team that led WCAG 2.1 AA remediation and audits; I worked on smaller tickets around it." }, { "evidence_id": "sj-v004-syn-027983-e2", "section": "summary", "source_type": "...
{ "group_id": "frontend", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "team_credit", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-007967
0.1
0.1
{ "text": "web performance experience", "skill": "web performance", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-007967-e1", "section": "experience", "source_type": "cv", "text": "Backend engineer, 3 years: optimized bundle size with code splitting." } ]
{ "group_id": "frontend", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "easy", "case_type": "direct_moderate", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-03747
0.1
0.1
{ "text": "Strong React skills", "skill": "React", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-03747-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Developed product tours with React for a new feature," } ]
{ "group_id": "frontend", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "cc521925-fe95-5611-98ee-6b6981d603ae", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-020284
0.1
0.1
{ "text": "Commercial experience with Node.js", "skill": "Node.js", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-020284-e1", "section": "summary", "source_type": "cv", "text": "i have not used node.js professionally or in projects; my experience is in other areas." } ]
{ "group_id": "lang_core", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "explicit_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v005-bl5-01259
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-v005-bl5-01259-e1", "section": "experience", "source_type": "cv", "text": "Organization-level owner of scalable system design strategy: designed a multi-region system for 20M users with explicit consistency trade-offs, consulted by every team." } ]
{ "group_id": "system_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-011035
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-011035-e1", "section": "projects", "source_type": "portfolio", "text": "personal project: followed a tutorial to try redis on a toy app." }, { "evidence_id": "sj-v004-syn-011035-e2", "section": "summary", "source_type": "cv", "text": "looking for a p...
{ "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-009677
0.1
0.1
{ "text": "Production web performance skills", "skill": "web performance", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-009677-e1", "section": "skills_list", "source_type": "cv", "text": "Skills: web performance, Git, Jira, Agile, Linux" }, { "evidence_id": "sj-v004-syn-009677-e2", "section": "summary", "source_type": "cv", "text": "Based in Europe, open to remote." ...
{ "group_id": "frontend", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-030243
0.1
0.1
{ "text": "Strong hands-on AWS background", "skill": "AWS", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-030243-e1", "section": "summary", "source_type": "cv", "text": "Advanced AWS skills; strong AWS background." } ]
{ "group_id": "cloud_devops", "evidence_label": "partial", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "claim_no_detail", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-004875
0.1
0.1
{ "text": "Strong hands-on REST API design background", "skill": "REST API design", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-004875-e1", "section": "education", "source_type": "cv", "text": "University course project using REST API design for a simple CRUD demo." }, { "evidence_id": "sj-v004-syn-004875-e2", "section": "summary", "source_type": "cv", "text": "Based in Europ...
{ "group_id": "api_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-020088
0.1
0.1
{ "text": "Commercial experience with Java", "skill": "Java", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-020088-e1", "section": "interview", "source_type": "interview", "text": "Candidate confirmed they have never worked with Java." }, { "evidence_id": "sj-v004-syn-020088-e2", "section": "summary", "source_type": "cv", "text": "Also worked with Git and ...
{ "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-027577
0.1
0.1
{ "text": "Commercial experience with incident response", "skill": "incident response", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-027577-e1", "section": "skills_list", "source_type": "cv", "text": "Keywords: Agile, incident response, Linux, REST" }, { "evidence_id": "sj-v004-syn-027577-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-v004-syn-011174
0.1
0.1
{ "text": "code review (must have)", "skill": "code review", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-011174-e1", "section": "experience", "source_type": "cv", "text": "owned the initiative where i created code review guidelines and reviewed ~20 prs/week as tech lead, and drove code review 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-real-06896
0.1
0.1
{ "text": "Strong MongoDB skills", "skill": "MongoDB", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-06896-e1", "section": "cv_excerpt", "source_type": "cv", "text": "I am a Developer in Flutter and Dart for small/medium sized businesses. Lets connect and work together on maximizing the returns you get from building your customized APP! I am experienced in HTML, CSS,...
{ "group_id": "data_storage", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "bae6fe1b-8537-514b-9e9c-b5de89114309", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-syn-015938
0.1
0.1
{ "text": "Strong hands-on hiring background", "skill": "hiring", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-015938-e1", "section": "experience", "source_type": "cv", "text": "Tech lead who designed the backend interview loop and conducted 150+ interviews, and mentored the team on hiring practices." } ]
{ "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-003486
0.1
0.1
{ "text": "Good understanding of code review", "skill": "code review", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-003486-e1", "section": "skills_list", "source_type": "cv", "text": "Skills: code review, Git, Jira, Agile, Linux" } ]
{ "group_id": "testing_quality", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-009842
0.1
0.1
{ "text": "Solid distributed tracing knowledge", "skill": "distributed tracing", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-009842-e1", "section": "summary", "source_type": "cv", "text": "I have not used distributed tracing professionally or in projects; my experience is in other areas." } ]
{ "group_id": "reliability_obs", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "explicit_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-010459
0.1
0.1
{ "text": "Hands-on hiring", "skill": "hiring", "group_id": "leadership", "target_level": 4, "importance": "must" }
[]
{ "group_id": "leadership", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "easy", "case_type": "no_evidence", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-026988
0.1
0.1
{ "text": "Proven ownership in production", "skill": "ownership", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-026988-e1", "section": "experience", "source_type": "cv", "text": "for 2.5 years i owned a service and its backlog as the main developer of the service." }, { "evidence_id": "sj-v004-syn-026988-e2", "section": "summary", "source_type": "cv", "text": ...
{ "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-v006-c-01522
0.1
0.1
{ "text": "Hands-on Java", "skill": "Java", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v006-c-01522-e1", "section": "experience", "source_type": "cv", "text": "Used Java 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-v004-real-03385
0.1
0.1
{ "text": "Proven React in production", "skill": "React", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-03385-e1", "section": "cv_excerpt", "source_type": "cv", "text": "During this time, I have been involved in the development of a CRM system using React and have created and optimized websites using React+TypeScript, jQuery, Vanilla JS + HTML/CSS, and WordPress." } ]
{ "group_id": "frontend", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "7479fbc2-e50b-5a8c-9e44-8b71dd67c847", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-real-00722
0.1
0.1
{ "text": "Proven Python in production", "skill": "Python", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-00722-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Developed an geo-locational analysis of the market competitors for the marketing and sales department, thus leading to more focused propositions for possible customers using Python and 2GIS API" } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "2b71b9d6-8674-5ac8-9d04-7a10bd9393b8", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-008565
0.1
0.1
{ "text": "Practical React experience", "skill": "React", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-008565-e1", "section": "education", "source_type": "cv", "text": "University course project using React for a simple CRUD demo." }, { "evidence_id": "sj-v004-syn-008565-e2", "section": "summary", "source_type": "cv", "text": "Agile/Scrum teams of 5-8...
{ "group_id": "frontend", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "easy", "case_type": "toy_project", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-013899
0.1
0.1
{ "text": "Strong hands-on web performance background", "skill": "web performance", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-013899-e1", "section": "experience", "source_type": "cv", "text": "senior engineer (2019-2024): improved core web vitals (lcp 4.1s to 1.6s) across the storefront." } ]
{ "group_id": "frontend", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-031076
0.1
0.1
{ "text": "API versioning (must have)", "skill": "API versioning", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-031076-e1", "section": "experience", "source_type": "cv", "text": "Staff+ engineer who created deprecation and versioning policy adopted company-wide, setting API versioning standards across the organization." }, { "evidence_id": "sj-v004-syn-031076-e2", "se...
{ "group_id": "api_design", "evidence_label": "supported", "proficiency_label": "5" }
{ "difficulty": "easy", "case_type": "expert", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-023051
0.1
0.1
{ "text": "Proven static analysis in production", "skill": "static analysis", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-023051-e1", "section": "experience", "source_type": "cv", "text": "Senior backend developer; key achievement: introduced SonarQube and custom lint rules gating all merges." } ]
{ "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-029792
0.1
0.1
{ "text": "Proven performance tuning in production", "skill": "performance tuning", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-029792-e1", "section": "experience", "source_type": "cv", "text": "The platform team profiled and tuned JVM services increasing throughput 3x on the same hardware. I joined late and handled minor tasks." } ]
{ "group_id": "reliability_obs", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "team_credit", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-001383
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-001383-e1", "section": "experience", "source_type": "cv", "text": "team member on the payments squad (2021-2024)." } ]
{ "group_id": "leadership", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "missing_skill", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-002314
0.1
0.1
{ "text": "ownership (must have)", "skill": "ownership", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-002314-e1", "section": "experience", "source_type": "cv", "text": "Software engineer (2021-2024): owned a service and its backlog." } ]
{ "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-v006-c-00958
0.1
0.1
{ "text": "Production integration testing skills", "skill": "integration testing", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v006-c-00958-e1", "section": "experience", "source_type": "cv", "text": "I personally built Testcontainers-based integration test framework adopted by 10 teams." } ]
{ "group_id": "testing_quality", "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-005533
0.1
0.1
{ "text": "Good understanding of GraphQL", "skill": "GraphQL", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-005533-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-syn-003195
0.1
0.1
{ "text": "AWS (must have)", "skill": "AWS", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-003195-e1", "section": "experience", "source_type": "cv", "text": "CV: designed AWS multi-account landing zone (EKS, RDS, IAM) for the company." }, { "evidence_id": "sj-v004-syn-003195-e2", "section": "interview", "source_type": "interview", "text": ...
{ "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-019501
0.1
0.1
{ "text": "authorization (RBAC) (must have)", "skill": "authorization (RBAC)", "group_id": "security", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-019501-e1", "section": "experience", "source_type": "cv", "text": "trainee developer; shadowed seniors who implemented role checks in apis." } ]
{ "group_id": "security", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "easy", "case_type": "below_target", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-009443
0.1
0.1
{ "text": "Expert-level Kafka", "skill": "Kafka", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-009443-e1", "section": "experience", "source_type": "cv", "text": "Did a Kafka tutorial and a hello-world app on GitHub." }, { "evidence_id": "sj-v004-syn-009443-e2", "section": "summary", "source_type": "cv", "text": "Based in Europe, open to remote...
{ "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-002188
0.1
0.1
{ "text": "Redis experience", "skill": "Redis", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-002188-e1", "section": "experience", "source_type": "cv", "text": "Junior engineer (10 months): helped the team when it added Redis caching with TTL invalidation, under a senior's guidance." } ]
{ "group_id": "data_storage", "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-003306
0.1
0.1
{ "text": "Deep code review expertise", "skill": "code review", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-003306-e1", "section": "experience", "source_type": "cv", "text": "CV: created code review guidelines and reviewed ~20 PRs/week as tech lead." }, { "evidence_id": "sj-v004-syn-003306-e2", "section": "interview", "source_type": "interview", "text": "I...
{ "group_id": "testing_quality", "evidence_label": "contradicted", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "cv_vs_interview", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-010521
0.1
0.1
{ "text": "Good understanding of Kotlin", "skill": "Kotlin", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-010521-e1", "section": "interview", "source_type": "interview", "text": "candidate confirmed they have never worked with kotlin." }, { "evidence_id": "sj-v004-syn-010521-e2", "section": "summary", "source_type": "cv", "text": "fluent english." } ]
{ "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-006506
0.1
0.1
{ "text": "Deep Go expertise", "skill": "Go", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-006506-e1", "section": "experience", "source_type": "cv", "text": "Backend engineer, 3 years: built Go microservices and fixed production bugs." }, { "evidence_id": "sj-v004-syn-006506-e2", "section": "summary", "source_type": "cv", "text": "Agile/Sc...
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "easy", "case_type": "direct_moderate", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-019867
0.1
0.1
{ "text": "Good understanding of authorization (RBAC)", "skill": "authorization (RBAC)", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-019867-e1", "section": "summary", "source_type": "cv", "text": "Fast learner, team player, results-driven." } ]
{ "group_id": "security", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "easy", "case_type": "vague_claim", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-012353
0.1
0.1
{ "text": "Experience with unit testing", "skill": "unit testing", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-012353-e1", "section": "skills_list", "source_type": "cv", "text": "Keywords: Agile, unit testing, Linux, REST" }, { "evidence_id": "sj-v004-syn-012353-e2", "section": "summary", "source_type": "cv", "text": "B.Sc. in Computer Science." } ]
{ "group_id": "testing_quality", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }