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sj-v004-syn-025406
0.1
0.1
{ "text": "Production TypeScript (frontend) skills", "skill": "TypeScript (frontend)", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-025406-e1", "section": "experience", "source_type": "cv", "text": "Did a TypeScript (frontend) tutorial and a hello-world app on GitHub." }, { "evidence_id": "sj-v004-syn-025406-e2", "section": "summary", "source_type": "cv", "text": "Fluent English....
{ "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-016203
0.1
0.1
{ "text": "Experience with Terraform", "skill": "Terraform", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-016203-e1", "section": "experience", "source_type": "cv", "text": "Independently wrote Terraform for team infrastructure; on-call owner for it." } ]
{ "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-v006-c-00891
0.1
0.1
{ "text": "Hands-on distributed consistency", "skill": "distributed consistency", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v006-c-00891-e1", "section": "experience", "source_type": "cv", "text": "University coursework included a distributed consistency assignment." } ]
{ "group_id": "system_design", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "contrast_partial_supported", "source": "synthetic_v006", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-025704
0.1
0.1
{ "text": "Strong React skills", "skill": "React", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-025704-e1", "section": "summary", "source_type": "cv", "text": "Self-rated 10/10 in React." } ]
{ "group_id": "frontend", "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-00626
0.1
0.1
{ "text": "Commercial MongoDB experience", "skill": "MongoDB", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v006-c-00626-e1", "section": "experience", "source_type": "cv", "text": "At work I built MongoDB aggregations for reporting independently, including debugging prod incidents." } ]
{ "group_id": "data_storage", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "contrast_partial_supported", "source": "synthetic_v006", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-003730
0.1
0.1
{ "text": "Strong hands-on cross-team leadership background", "skill": "cross-team leadership", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-003730-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-010714
0.1
0.1
{ "text": "Deep mentoring expertise", "skill": "mentoring", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-010714-e1", "section": "experience", "source_type": "cv", "text": "Mid-level developer: mentored an intern; shipped to production regularly." }, { "evidence_id": "sj-v004-syn-010714-e2", "section": "summary", "source_type": "cv", "text": "Based in Eu...
{ "group_id": "leadership", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "easy", "case_type": "direct_moderate", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-04564
0.1
0.1
{ "text": "React experience", "skill": "React", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-04564-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Skills: HTML, CSS, JavaScript, React." } ]
{ "group_id": "frontend", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_keyword_list", "source": "djinni_cv_en", "source_record": "5c76b0f0-b9e5-596b-ab06-9bcba34b92d1", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2"...
sj-v004-real-01387
0.1
0.1
{ "text": "Strong microservices skills", "skill": "microservices", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-01387-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Created from scratch backend architecture (using microservices) for the new product and successfully launched it on expected dates." } ]
{ "group_id": "system_design", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "77004879-a27f-5acf-9725-98f89a466b0e", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-real-01890
0.1
0.1
{ "text": "unit testing experience", "skill": "unit testing", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-01890-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Wrote multiple unit tests and page objects for e2e testing" } ]
{ "group_id": "testing_quality", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "6d4edcb6-15be-5933-a7bb-90cb2f50a7b5", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-021736
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-021736-e1", "section": "experience", "source_type": "cv", "text": "mid-level developer: took part in on-call and wrote postmortems; shipped to production regularly." }, { "evidence_id": "sj-v004-syn-021736-e2", "section": "summary", "source_type": "cv", ...
{ "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-020627
0.1
0.1
{ "text": "Hands-on database migrations", "skill": "database migrations", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-020627-e1", "section": "experience", "source_type": "cv", "text": "Owned the initiative where I led zero-downtime migration of 200 tables to a new schema, and drove database migrations decisions for the team." }, { "evidence_id": "sj-v004-syn-020627-e2", "se...
{ "group_id": "data_storage", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-00397
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-00397-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Basic knowledge of data analysis with Python (Pandas, NumPy, Jupiter)" } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "666d318d-5e1b-5ff2-b719-7183da14491a", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-003939
0.1
0.1
{ "text": "Commercial experience with ownership", "skill": "ownership", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-003939-e1", "section": "experience", "source_type": "cv", "text": "Our team owned the payments domain end-to-end including roadmap and on-call. My contribution: tests and documentation." } ]
{ "group_id": "leadership", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "team_credit", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-008500
0.1
0.1
{ "text": "Working knowledge of web performance", "skill": "web performance", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-008500-e1", "section": "interview", "source_type": "interview", "text": "Candidate confirmed they have never worked with web performance." }, { "evidence_id": "sj-v004-syn-008500-e2", "section": "summary", "source_type": "cv", "text": "Fluent English...
{ "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-020946
0.1
0.1
{ "text": "Strong REST API design skills", "skill": "REST API design", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-020946-e1", "section": "summary", "source_type": "cv", "text": "Haven't worked with REST API design; my background is elsewhere." } ]
{ "group_id": "api_design", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "explicit_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-06145
0.1
0.1
{ "text": "Strong microservices skills", "skill": "microservices", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-06145-e1", "section": "cv_excerpt", "source_type": "cv", "text": "There is a certificate of course completion There are several test projects using rest api, firebase, android jetpack, also completed a freelance projects for the recording of beauty salon and wet clinic...
{ "group_id": "system_design", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "317ed2e5-c9d0-5a0b-89ad-30c4041eac76", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-real-02044
0.1
0.1
{ "text": "Strong Node.js skills", "skill": "Node.js", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-02044-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Well familiar with Vue/Pinia/Nuxt & React/Redux toolkit/RTK Query, JavaScript, TypeScript, Node.js/Express, Unit testing/Jest, CSS/HTML, SCSS, cross-browser and adaptive markup." } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "4be0adb3-93a8-52e8-aaef-993e6335afaa", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-005781
0.1
0.1
{ "text": "Deep MongoDB expertise", "skill": "MongoDB", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-005781-e1", "section": "experience", "source_type": "cv", "text": "Claimed: modeled sharded MongoDB collections for 2B documents." }, { "evidence_id": "sj-v004-syn-005781-e2", "section": "interview", "source_type": "interview", "text": "Interviewer: ...
{ "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-023514
0.1
0.1
{ "text": "Practical Docker experience", "skill": "Docker", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-023514-e1", "section": "experience", "source_type": "cv", "text": "Backend engineer, 3 years: containerized services with Docker." }, { "evidence_id": "sj-v004-syn-023514-e2", "section": "summary", "source_type": "cv", "text": "Fluent English." } ]
{ "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-006058
0.1
0.1
{ "text": "authorization (RBAC) experience", "skill": "authorization (RBAC)", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-006058-e1", "section": "experience", "source_type": "cv", "text": "Bootcamp assignment: basic authorization (RBAC) exercise." } ]
{ "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-027254
0.1
0.1
{ "text": "Deep accessibility expertise", "skill": "accessibility", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-027254-e1", "section": "summary", "source_type": "cv", "text": "haven't worked with accessibility; my background is elsewhere." }, { "evidence_id": "sj-v004-syn-027254-e2", "section": "summary", "source_type": "cv", "text": "b.sc. in computer science...
{ "group_id": "frontend", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "explicit_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-017003
0.1
0.1
{ "text": "Expert-level OWASP secure coding", "skill": "OWASP secure coding", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-017003-e1", "section": "education", "source_type": "cv", "text": "University course project using OWASP secure coding 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-005122
0.1
0.1
{ "text": "Commercial experience with secrets management", "skill": "secrets management", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-005122-e1", "section": "experience", "source_type": "cv", "text": "Day to day I used AWS Secrets Manager in services on my own." }, { "evidence_id": "sj-v004-syn-005122-e2", "section": "summary", "source_type": "cv", "text": "Fluent English." } ]
{ "group_id": "security", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "easy", "case_type": "direct_moderate", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-018518
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-018518-e1", "section": "interview", "source_type": "interview", "text": "Interviewer: zero TypeScript (frontend) exposure confirmed by candidate." } ]
{ "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-004925
0.1
0.1
{ "text": "Deep state management expertise", "skill": "state management", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-004925-e1", "section": "skills_list", "source_type": "cv", "text": "Tools: Git, state management, Docker, Postman, Jira" } ]
{ "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-003130
0.1
0.1
{ "text": "Solid ownership knowledge", "skill": "ownership", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-003130-e1", "section": "experience", "source_type": "cv", "text": "Delivered features end-to-end where I 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-v004-syn-027740
0.1
0.1
{ "text": "Expert-level Rust", "skill": "Rust", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[]
{ "group_id": "lang_core", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "easy", "case_type": "no_evidence", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-00496
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-00496-e1", "section": "cv_excerpt", "source_type": "cv", "text": "In my most recent role at Bank BPH (part of General Electric), I implemented BI tools and Python into the reporting and model validation processes, greatly simplifying the entire team's work." } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "7f0eedeb-4c05-572d-bcfb-ff259a44a223", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v006-c-01565
0.1
0.1
{ "text": "Commercial scalable system design experience", "skill": "scalable system design", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v006-c-01565-e1", "section": "experience", "source_type": "cv", "text": "I personally designed a multi-region system for 20M users with explicit consistency trade-offs." } ]
{ "group_id": "system_design", "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-030347
0.1
0.1
{ "text": "Practical CI/CD experience", "skill": "CI/CD", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-030347-e1", "section": "experience", "source_type": "cv", "text": "Was part of a team that designed CI/CD with canary and automated rollback for 60 repos; I worked on smaller tickets around it." } ]
{ "group_id": "cloud_devops", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "team_credit", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-00098
0.1
0.1
{ "text": "Python experience", "skill": "Python", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-00098-e1", "section": "cv_excerpt", "source_type": "cv", "text": "A year into my learning, I still have a newbie passion to discover more and still put a lot of effort into becoming a full-time Python developer." } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "5b6bb571-fda1-5874-9e3b-8775ba80ac70", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-025073
0.1
0.1
{ "text": "gRPC (must have)", "skill": "gRPC", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-025073-e1", "section": "interview", "source_type": "interview", "text": "Interview notes: candidate stated they never used gRPC." }, { "evidence_id": "sj-v004-syn-025073-e2", "section": "summary", "source_type": "cv", "text": "B.Sc. in Computer Scien...
{ "group_id": "api_design", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "verified_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-01129
0.1
0.1
{ "text": "Strong React skills", "skill": "React", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-01129-e1", "section": "cv_excerpt", "source_type": "cv", "text": "I am currently improving my knowledge of React and learning Type Script." } ]
{ "group_id": "frontend", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "19c35c9f-33d1-5dfb-b25c-173b7e0f34ef", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-011511
0.1
0.1
{ "text": "Working knowledge of static analysis", "skill": "static analysis", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-011511-e1", "section": "summary", "source_type": "cv", "text": "Haven't worked with static analysis; my background is elsewhere." }, { "evidence_id": "sj-v004-syn-011511-e2", "section": "summary", "source_type": "cv", "text": "Looking for a product c...
{ "group_id": "testing_quality", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "explicit_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-05146
0.1
0.1
{ "text": "unit testing experience", "skill": "unit testing", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-05146-e1", "section": "cv_excerpt", "source_type": "cv", "text": "AWS Cloud Practitioner Certification, HashiCorp Certified: Terraform Associate, CKA: Certified Kubernetes Administrator ⏺ Automating the provisioning and management of infrastructure using tools like Ter...
{ "group_id": "testing_quality", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "f14b5454-76aa-51b3-ab88-9aa9e4c6ad9a", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-syn-014255
0.1
0.1
{ "text": "Solid distributed consistency knowledge", "skill": "distributed consistency", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-014255-e1", "section": "experience", "source_type": "cv", "text": "Intern then junior: with help from the lead, I contributed while the team handled retries and deduplication in distributed jobs." }, { "evidence_id": "sj-v004-syn-014255-e2", "section": "summ...
{ "group_id": "system_design", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "easy", "case_type": "below_target", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-05035
0.1
0.1
{ "text": "GCP experience", "skill": "GCP", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-05035-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Software engineer graduate from Addis Ababa Institute of Technology quantifiable result. javascript Certificate form Coursera Worked as Intern at Afritopia PLC and Ministry of innovation and Technology."...
{ "group_id": "cloud_devops", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "612d141d-83c3-50d9-bc90-03babdac689f", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-real-02685
0.1
0.1
{ "text": "Strong React skills", "skill": "React", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-02685-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Tools: Bootstrap ,Sass, React.js, Angular JS" } ]
{ "group_id": "frontend", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_keyword_list", "source": "djinni_cv_en", "source_record": "f6061ed2-1900-5524-a787-936c0afd9401", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2"...
sj-v004-syn-002798
0.1
0.1
{ "text": "Experience with Kotlin", "skill": "Kotlin", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-002798-e1", "section": "experience", "source_type": "cv", "text": "Backend engineer, 3 years: built Ktor endpoints in production." }, { "evidence_id": "sj-v004-syn-002798-e2", "section": "summary", "source_type": "cv", "text": "Looking for a product ...
{ "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-04438
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-04438-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Successfully implemented CI/CD for running project" } ]
{ "group_id": "cloud_devops", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "2891c0db-699e-5a14-b26d-b40a105cf03f", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-017265
0.1
0.1
{ "text": "Commercial experience with authorization (RBAC)", "skill": "authorization (RBAC)", "group_id": "security", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-017265-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-002508
0.1
0.1
{ "text": "Solid MySQL knowledge", "skill": "MySQL", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-002508-e1", "section": "experience", "source_type": "cv", "text": "bootcamp assignment: basic mysql exercise." }, { "evidence_id": "sj-v004-syn-002508-e2", "section": "summary", "source_type": "cv", "text": "looking for a product company." } ]
{ "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-015146
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-015146-e1", "section": "skills_list", "source_type": "cv", "text": "Technologies: Docker, Kafka, Scrum, SQL" }, { "evidence_id": "sj-v004-syn-015146-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-real-04773
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-04773-e1", "section": "cv_excerpt", "source_type": "cv", "text": "I also created new queries regularly in PostgreSQL, utilized Power BI and Google Data Studio to develop dynamic reports, and provided Python code snippets to the Dash." } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "16230c2e-c10f-5158-b94b-4d3c94f08408", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-001101
0.1
0.1
{ "text": "Practical gRPC experience", "skill": "gRPC", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-001101-e1", "section": "skills_list", "source_type": "cv", "text": "Keywords: Agile, gRPC, Linux, REST" } ]
{ "group_id": "api_design", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-006773
0.1
0.1
{ "text": "Good understanding of OpenAPI", "skill": "OpenAPI", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-006773-e1", "section": "interview", "source_type": "interview", "text": "candidate confirmed they have never worked with openapi." } ]
{ "group_id": "api_design", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "verified_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-05790
0.1
0.1
{ "text": "Proven Go in production", "skill": "Go", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-05790-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Help customers to make reliable and optimized systems that lead to reduced costs and better performance. I’m a certified DevOps engineer with about 10 years of experience managing server infrastructures....
{ "group_id": "lang_core", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "ec8bc777-0c38-570e-a2a8-3037bad6d866", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v006-c-01935
0.1
0.1
{ "text": "Commercial state management experience", "skill": "state management", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v006-c-01935-e1", "section": "experience", "source_type": "cv", "text": "I personally designed client state architecture with Redux Toolkit and React Query." } ]
{ "group_id": "frontend", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "hard", "case_type": "contrast_partial_supported", "source": "synthetic_v006", "split": "train", "label_status": "synthetic_needs_review" }
sj-v008-cv-01769
0.1
0.1
{ "text": "Strong REST API design skills", "skill": "REST API design", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-01769-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Contributed to an e-commerce project (REST API design)." } ]
{ "group_id": "api_design", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "convention_v02", "source": "synthetic_v008", "split": "train", "label_status": "synthetic_convention_v0.2" }
sj-v004-syn-020773
0.1
0.1
{ "text": "Strong web performance skills", "skill": "web performance", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-020773-e1", "section": "summary", "source_type": "cv", "text": "profile: 'deep web performance expertise', no further details given." } ]
{ "group_id": "frontend", "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-01424
0.1
0.1
{ "text": "Experience with CI/CD", "skill": "CI/CD", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-01424-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Worked on a mobile game project in CI/CD." } ]
{ "group_id": "cloud_devops", "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-016110
0.1
0.1
{ "text": "Practical Go experience", "skill": "Go", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-016110-e1", "section": "summary", "source_type": "cv", "text": "i have no experience with go at all." } ]
{ "group_id": "lang_core", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "explicit_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-029170
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-029170-e1", "section": "skills_list", "source_type": "cv", "text": "Keywords: Agile, caching strategy, Linux, REST" } ]
{ "group_id": "system_design", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-003829
0.1
0.1
{ "text": "Deep web performance expertise", "skill": "web performance", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-003829-e1", "section": "summary", "source_type": "cv", "text": "expert in web performance with 10 years of experience." } ]
{ "group_id": "frontend", "evidence_label": "partial", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "claim_no_detail", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-04405
0.1
0.1
{ "text": "Proven Docker in production", "skill": "Docker", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-04405-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Familiar with technologies like as Spring, Spring Boot, Kafka, Docker, MongoDB, Hadoop/hdfs, openShift, istio." } ]
{ "group_id": "cloud_devops", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "141ab7b5-6745-52e2-b6fe-994ebebe1c49", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-011894
0.1
0.1
{ "text": "Strong OWASP secure coding skills", "skill": "OWASP secure coding", "group_id": "security", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-011894-e1", "section": "experience", "source_type": "cv", "text": "Under supervision I worked on small parts while the team fixed OWASP findings from pentests." } ]
{ "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-001671
0.1
0.1
{ "text": "Hands-on distributed consistency", "skill": "distributed consistency", "group_id": "system_design", "target_level": 3, "importance": "must" }
[]
{ "group_id": "system_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-001155
0.1
0.1
{ "text": "Production C#/.NET skills", "skill": "C#/.NET", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-001155-e1", "section": "experience", "source_type": "cv", "text": "Senior iOS engineer (Swift) shipping consumer apps for 6 years." } ]
{ "group_id": "lang_core", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "missing_skill", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-015980
0.1
0.1
{ "text": "Good understanding of React", "skill": "React", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-015980-e1", "section": "experience", "source_type": "cv", "text": "Senior engineer (2019-2024): architected React micro-frontend platform for 6 teams." }, { "evidence_id": "sj-v004-syn-015980-e2", "section": "summary", "source_type": "cv", "text": "A...
{ "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-v008-cv-01702
0.1
0.1
{ "text": "Hands-on OWASP secure coding", "skill": "OWASP secure coding", "group_id": "security", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-01702-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Took part in a logistics app project built on OWASP secure coding." } ]
{ "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-v006-c-00934
0.1
0.1
{ "text": "Experience with Node.js", "skill": "Node.js", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v006-c-00934-e1", "section": "experience", "source_type": "cv", "text": "I personally led the Node.js/TypeScript gateway rewrite reducing p99 from 900ms to 120ms." } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "hard", "case_type": "contrast_partial_supported", "source": "synthetic_v006", "split": "train", "label_status": "synthetic_needs_review" }
sj-v006-c-00485
0.1
0.1
{ "text": "Strong Kubernetes skills", "skill": "Kubernetes", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v006-c-00485-e1", "section": "experience", "source_type": "cv", "text": "Freelance: delivered several client projects where I wrote Helm charts and debugged pods in production." } ]
{ "group_id": "cloud_devops", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "contrast_partial_supported", "source": "synthetic_v006", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-010507
0.1
0.1
{ "text": "Practical scalable system design experience", "skill": "scalable system design", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-010507-e1", "section": "experience", "source_type": "cv", "text": "CV: designed a multi-region system for 20M users with explicit consistency trade-offs." }, { "evidence_id": "sj-v004-syn-010507-e2", "section": "interview", "source_type": "interview", ...
{ "group_id": "system_design", "evidence_label": "contradicted", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "cv_vs_interview", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-025141
0.1
0.1
{ "text": "Hands-on performance tuning", "skill": "performance tuning", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-025141-e1", "section": "experience", "source_type": "cv", "text": "For 2.5 years I fixed N+1 queries and memory leaks as the main developer of the service." }, { "evidence_id": "sj-v004-syn-025141-e2", "section": "summary", "source_type": "cv", "text...
{ "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-006954
0.1
0.1
{ "text": "Strong hands-on AWS background", "skill": "AWS", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-006954-e1", "section": "summary", "source_type": "cv", "text": "Strong problem solver, passionate about technology." } ]
{ "group_id": "cloud_devops", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "easy", "case_type": "vague_claim", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v005-bl3-00286
0.1
0.1
{ "text": "Experience with unit testing", "skill": "unit testing", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v005-bl3-00286-e1", "section": "experience", "source_type": "cv", "text": "Over 3 years I wrote unit tests for all features; feature owner, no design ownership." } ]
{ "group_id": "testing_quality", "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-015984
0.1
0.1
{ "text": "Deep CI/CD expertise", "skill": "CI/CD", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-015984-e1", "section": "experience", "source_type": "cv", "text": "Side project: small CI/CD demo built while following an online course." } ]
{ "group_id": "cloud_devops", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "easy", "case_type": "toy_project", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v006-c-00735
0.1
0.1
{ "text": "Strong Rust skills", "skill": "Rust", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v006-c-00735-e1", "section": "experience", "source_type": "cv", "text": "Tried Rust in a weekend pet project to learn the basics." } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "contrast_partial_supported", "source": "synthetic_v006", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-004713
0.1
0.1
{ "text": "web performance (must have)", "skill": "web performance", "group_id": "frontend", "target_level": 3, "importance": "must" }
[]
{ "group_id": "frontend", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "easy", "case_type": "no_evidence", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v006-c-01399
0.1
0.1
{ "text": "Production AWS skills", "skill": "AWS", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v006-c-01399-e1", "section": "experience", "source_type": "cv", "text": "Tried AWS in a weekend pet project to learn the basics." } ]
{ "group_id": "cloud_devops", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "contrast_partial_supported", "source": "synthetic_v006", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-000580
0.1
0.1
{ "text": "Java experience", "skill": "Java", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-000580-e1", "section": "summary", "source_type": "cv", "text": "passionate engineer who loves clean code and best practices." } ]
{ "group_id": "lang_core", "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-03996
0.1
0.1
{ "text": "Strong Node.js skills", "skill": "Node.js", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-03996-e1", "section": "cv_excerpt", "source_type": "cv", "text": "I am also conversant with backend technologies like NodeJS, PostgreSQL and Mongo DB having built several personal projects with them." } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "c8f9b915-8b18-5766-951a-5e824fea658c", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": "v0.2" }
sj-v005-bl5-01339
0.1
0.1
{ "text": "Hands-on MongoDB", "skill": "MongoDB", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v005-bl5-01339-e1", "section": "experience", "source_type": "cv", "text": "Organization-level owner of MongoDB strategy: modeled sharded MongoDB collections for 2B documents, consulted by every team." } ]
{ "group_id": "data_storage", "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-019263
0.1
0.1
{ "text": "Production monitoring skills", "skill": "monitoring", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-019263-e1", "section": "experience", "source_type": "cv", "text": "Lead engineer 2018-2023: built the company observability stack (Prometheus, Grafana) and SLO program." } ]
{ "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-010274
0.1
0.1
{ "text": "Practical OpenAPI experience", "skill": "OpenAPI", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-010274-e1", "section": "experience", "source_type": "cv", "text": "Fellow-level engineer: introduced contract-first OpenAPI workflow with generated SDKs. Wrote the internal OpenAPI handbook and teach OpenAPI externally." } ]
{ "group_id": "api_design", "evidence_label": "supported", "proficiency_label": "5" }
{ "difficulty": "easy", "case_type": "expert", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v005-bl5-01388
0.1
0.1
{ "text": "Solid React knowledge", "skill": "React", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v005-bl5-01388-e1", "section": "experience", "source_type": "cv", "text": "Principal engineer, recognized expert: architected React micro-frontend platform for 6 teams; core maintainer of a popular React project." } ]
{ "group_id": "frontend", "evidence_label": "supported", "proficiency_label": "5" }
{ "difficulty": "hard", "case_type": "boundary_l5", "source": "synthetic_v005", "split": "train", "label_status": "synthetic_needs_review" }
sj-v006-c-00578
0.1
0.1
{ "text": "Commercial performance tuning experience", "skill": "performance tuning", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v006-c-00578-e1", "section": "experience", "source_type": "cv", "text": "University coursework included a performance tuning assignment." } ]
{ "group_id": "reliability_obs", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "contrast_partial_supported", "source": "synthetic_v006", "split": "train", "label_status": "synthetic_needs_review" }
sj-v006-c-00721
0.1
0.1
{ "text": "Production Python skills", "skill": "Python", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v006-c-00721-e1", "section": "experience", "source_type": "cv", "text": "Tried Python in a weekend pet project to learn the basics." } ]
{ "group_id": "lang_core", "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-05534
0.1
0.1
{ "text": "Proven code review in production", "skill": "code review", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-05534-e1", "section": "cv_excerpt", "source_type": "cv", "text": "As an enthusiastic front-end developer with over two years of experience designing responsive websites, I feel I am the right candidate for the role of front-end developer at your organisation. I was ecs...
{ "group_id": "testing_quality", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "98508b8a-6f77-5b01-a8df-b8530dec0020", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-syn-013124
0.1
0.1
{ "text": "Strong hands-on authorization (RBAC) background", "skill": "authorization (RBAC)", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-013124-e1", "section": "interview", "source_type": "interview", "text": "Candidate confirmed they have never worked with authorization (RBAC)." }, { "evidence_id": "sj-v004-syn-013124-e2", "section": "summary", "source_type": "cv", "text": "Looking f...
{ "group_id": "security", "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-028519
0.1
0.1
{ "text": "Solid Node.js knowledge", "skill": "Node.js", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-028519-e1", "section": "experience", "source_type": "cv", "text": "Senior iOS engineer (Swift) shipping consumer apps for 6 years." } ]
{ "group_id": "lang_core", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "missing_skill", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-05999
0.1
0.1
{ "text": "Proven GraphQL in production", "skill": "GraphQL", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-05999-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Experienced Android Developer with a demonstrated history of working in the computer software industry. Skilled in Mobile Application Development. Strong engineering professional with a Bachelor's degree...
{ "group_id": "api_design", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "58bd9f7e-b7df-56e1-976a-6876cc1e80a7", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-syn-002014
0.1
0.1
{ "text": "Strong hands-on Redis background", "skill": "Redis", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-002014-e1", "section": "experience", "source_type": "cv", "text": "Experience: Frontend developer focused on CSS animations and design systems." } ]
{ "group_id": "data_storage", "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-010182
0.1
0.1
{ "text": "Strong hands-on Node.js background", "skill": "Node.js", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-010182-e1", "section": "experience", "source_type": "cv", "text": "Claimed: led the Node.js/TypeScript gateway rewrite reducing p99 from 900ms to 120ms." }, { "evidence_id": "sj-v004-syn-010182-e2", "section": "interview", "source_type": "interview", ...
{ "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-030859
0.1
0.1
{ "text": "Solid GCP knowledge", "skill": "GCP", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-030859-e1", "section": "skills_list", "source_type": "cv", "text": "Tools: Git, GCP, Docker, Postman, Jira" } ]
{ "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-013153
0.1
0.1
{ "text": "Strong MySQL skills", "skill": "MySQL", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-013153-e1", "section": "summary", "source_type": "cv", "text": "I have no experience with MySQL at all." } ]
{ "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-020018
0.1
0.1
{ "text": "Good understanding of mentoring", "skill": "mentoring", "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-016143
0.1
0.1
{ "text": "Commercial experience with Go", "skill": "Go", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-016143-e1", "section": "experience", "source_type": "cv", "text": "Mid-level developer: built Go microservices and fixed production bugs; shipped to production regularly." } ]
{ "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-023335
0.1
0.1
{ "text": "Working knowledge of hiring", "skill": "hiring", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-023335-e1", "section": "experience", "source_type": "cv", "text": "Delivered features end-to-end where I conducted technical interviews." }, { "evidence_id": "sj-v004-syn-023335-e2", "section": "summary", "source_type": "cv", "text": "Also worked wit...
{ "group_id": "leadership", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "easy", "case_type": "direct_moderate", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-000361
0.1
0.1
{ "text": "Solid caching strategy knowledge", "skill": "caching strategy", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-000361-e1", "section": "summary", "source_type": "cv", "text": "Haven't worked with caching strategy; my background is elsewhere." }, { "evidence_id": "sj-v004-syn-000361-e2", "section": "summary", "source_type": "cv", "text": "Agile/Scrum teams of 5...
{ "group_id": "system_design", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "explicit_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-020353
0.1
0.1
{ "text": "Solid TypeScript (frontend) knowledge", "skill": "TypeScript (frontend)", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-020353-e1", "section": "interview", "source_type": "interview", "text": "Candidate confirmed they have never worked with TypeScript (frontend)." }, { "evidence_id": "sj-v004-syn-020353-e2", "section": "summary", "source_type": "cv", "text": "B.Sc. in...
{ "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-000835
0.1
0.1
{ "text": "Experience with ownership", "skill": "ownership", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-000835-e1", "section": "experience", "source_type": "cv", "text": "In my last role I owned the payments domain end-to-end including roadmap and on-call." } ]
{ "group_id": "leadership", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v008-cv-00079
0.1
0.1
{ "text": "Commercial event-driven architecture experience", "skill": "event-driven architecture", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-00079-e1", "section": "cv_excerpt", "source_type": "cv", "text": "At a mid-size company I designed saga-based event-driven checkout across 6 services." } ]
{ "group_id": "system_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-016564
0.1
0.1
{ "text": "Experience with technical design docs", "skill": "technical design docs", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-016564-e1", "section": "experience", "source_type": "cv", "text": "Intern then junior: with help from the lead, I contributed while the team wrote design docs for team features." } ]
{ "group_id": "leadership", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "easy", "case_type": "below_target", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-008822
0.1
0.1
{ "text": "Strong gRPC skills", "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-real-02252
0.1
0.1
{ "text": "C#/.NET experience", "skill": "C#/.NET", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-02252-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Developed CRM system for medical clinics using .NET Framework, AspNet Boilerplate, Entity Framework, AngularJS, MS SQL Server." } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "8dee74b4-57db-559f-ad88-c889d6b8c539", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-028607
0.1
0.1
{ "text": "Experience with C#/.NET", "skill": "C#/.NET", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-028607-e1", "section": "projects", "source_type": "portfolio", "text": "Personal project: followed a tutorial to try C#/.NET on a toy app." } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "easy", "case_type": "toy_project", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v008-cv-01324
0.1
0.1
{ "text": "Commercial technical design docs experience", "skill": "technical design docs", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-01324-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Covered technical design docs fundamentals and exercises in a training program." } ]
{ "group_id": "leadership", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "convention_v02", "source": "synthetic_v008", "split": "train", "label_status": "synthetic_convention_v0.2" }
sj-v004-syn-007972
0.1
0.1
{ "text": "Deep Elasticsearch expertise", "skill": "Elasticsearch", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-007972-e1", "section": "interview", "source_type": "interview", "text": "Screening: asked about Elasticsearch, candidate has not worked with it." }, { "evidence_id": "sj-v004-syn-007972-e2", "section": "summary", "source_type": "cv", "text": "Fluent ...
{ "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" }