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sj-v004-syn-020246
0.1
0.1
{ "text": "PostgreSQL experience", "skill": "PostgreSQL", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-020246-e1", "section": "summary", "source_type": "cv", "text": "i have not used postgresql 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-real-01633
0.1
0.1
{ "text": "Proven REST API design in production", "skill": "REST API design", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-01633-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Technologies: Angular 15, SASS, Date-fns, RxJS, JWT, JavaScript, Typescipt, REST API" } ]
{ "group_id": "api_design", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_keyword_list", "source": "djinni_cv_en", "source_record": "b42570a7-95ee-5d25-82ac-6f5fa3aeb696", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": "v0....
sj-v004-syn-016999
0.1
0.1
{ "text": "Deep Kotlin expertise", "skill": "Kotlin", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-016999-e1", "section": "experience", "source_type": "cv", "text": "Summary: Senior iOS engineer (Swift) shipping consumer apps for 6 years. Hobbies: football." } ]
{ "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-025184
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-025184-e1", "section": "experience", "source_type": "cv", "text": "Under supervision I worked on small parts while the team built Kafka producers and consumers with retries." } ]
{ "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-v005-bl4-01148
0.1
0.1
{ "text": "Experience with CI/CD", "skill": "CI/CD", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v005-bl4-01148-e1", "section": "experience", "source_type": "cv", "text": "Designed and led: designed CI/CD with canary and automated rollback for 60 repos, with measurable outcomes." } ]
{ "group_id": "cloud_devops", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "hard", "case_type": "boundary_l4", "source": "synthetic_v005", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-015308
0.1
0.1
{ "text": "Proven Node.js in production", "skill": "Node.js", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-015308-e1", "section": "skills_list", "source_type": "cv", "text": "Stack: Node.js, Jira, Confluence, Git" } ]
{ "group_id": "lang_core", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-007550
0.1
0.1
{ "text": "Solid cross-team leadership knowledge", "skill": "cross-team leadership", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-007550-e1", "section": "summary", "source_type": "cv", "text": "I have no experience with cross-team leadership at all." } ]
{ "group_id": "leadership", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "explicit_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v005-bl4-00706
0.1
0.1
{ "text": "Strong Node.js skills", "skill": "Node.js", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v005-bl4-00706-e1", "section": "experience", "source_type": "cv", "text": "Drove the design: led the Node.js/TypeScript gateway rewrite reducing p99 from 900ms to 120ms; also set Node.js guidelines for the team." } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "hard", "case_type": "boundary_l4", "source": "synthetic_v005", "split": "train", "label_status": "synthetic_needs_review" }
sj-v008-cv-01917
0.1
0.1
{ "text": "Experience with OWASP secure coding", "skill": "OWASP secure coding", "group_id": "security", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-01917-e1", "section": "cv_excerpt", "source_type": "cv", "text": "As a junior I assisted teammates who fixed OWASP findings from pentests." } ]
{ "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-024445
0.1
0.1
{ "text": "Commercial experience with scalable system design", "skill": "scalable system design", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-024445-e1", "section": "summary", "source_type": "cv", "text": "I have no experience with scalable system design at all." }, { "evidence_id": "sj-v004-syn-024445-e2", "section": "summary", "source_type": "cv", "text": "Also worked with Git and Jira."...
{ "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-021309
0.1
0.1
{ "text": "Experience with GCP", "skill": "GCP", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-021309-e1", "section": "experience", "source_type": "cv", "text": "Contributed peripheral tickets to a project where the team architected GCP data platform on GKE and BigQuery." } ]
{ "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-06779
0.1
0.1
{ "text": "Strong Redis skills", "skill": "Redis", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-06779-e1", "section": "cv_excerpt", "source_type": "cv", "text": "I obtained a Bachelor's degree in Applied Linguistics in 2023. I studied English at school and continued to study it intensively during university. There I have also learned the basics of web design, HTM...
{ "group_id": "data_storage", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "c352a006-0d7d-559e-bbeb-15b856ebbaa0", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-syn-002669
0.1
0.1
{ "text": "Hands-on technical design docs", "skill": "technical design docs", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-002669-e1", "section": "experience", "source_type": "cv", "text": "Junior engineer (10 months): helped the team when it wrote design docs for team features, under a senior's guidance." }, { "evidence_id": "sj-v004-syn-002669-e2", "section": "summary", "s...
{ "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-016565
0.1
0.1
{ "text": "unit testing (must have)", "skill": "unit testing", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-016565-e1", "section": "experience", "source_type": "cv", "text": "Independently wrote unit tests for all features; on-call owner for it." }, { "evidence_id": "sj-v004-syn-016565-e2", "section": "summary", "source_type": "cv", "text": "Based in Europ...
{ "group_id": "testing_quality", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "easy", "case_type": "direct_moderate", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-028583
0.1
0.1
{ "text": "Proven scalable system design in production", "skill": "scalable system design", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-028583-e1", "section": "skills_list", "source_type": "cv", "text": "Tools: Git, scalable system design, Docker, Postman, Jira" } ]
{ "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-007425
0.1
0.1
{ "text": "integration testing (must have)", "skill": "integration testing", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-007425-e1", "section": "summary", "source_type": "cv", "text": "No hands-on integration testing experience yet; planning to learn it." }, { "evidence_id": "sj-v004-syn-007425-e2", "section": "summary", "source_type": "cv", "text": "Based in Europe, o...
{ "group_id": "testing_quality", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "explicit_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-022186
0.1
0.1
{ "text": "Solid Go knowledge", "skill": "Go", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-022186-e1", "section": "skills_list", "source_type": "cv", "text": "Skills: Go, Git, Jira, Agile, Linux" } ]
{ "group_id": "lang_core", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-06177
0.1
0.1
{ "text": "Strong Elasticsearch skills", "skill": "Elasticsearch", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-06177-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Two things that I consider as my main accomplishments so far are: Working on an ongoing for 2-3 years platform in a big outsource company. The project was of a considerable complexity, involved 7+ micros...
{ "group_id": "data_storage", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "ee4b518a-c650-5340-956a-f5c8d695230b", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-syn-017610
0.1
0.1
{ "text": "Good understanding of hiring", "skill": "hiring", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-017610-e1", "section": "experience", "source_type": "cv", "text": "Claimed: designed the backend interview loop and conducted 150+ interviews." }, { "evidence_id": "sj-v004-syn-017610-e2", "section": "interview", "source_type": "interview", "text": "...
{ "group_id": "leadership", "evidence_label": "contradicted", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "cv_vs_interview", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-02511
0.1
0.1
{ "text": "Strong Python skills", "skill": "Python", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-02511-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Created AWS Lambda function on python for automatic orchestration and monitoring of AWS EMR clusters instead of old EC2-based approach." } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "909371d8-c352-5dd0-b2b1-b975e44c87e1", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-real-01025
0.1
0.1
{ "text": "Proven Java in production", "skill": "Java", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-01025-e1", "section": "cv_excerpt", "source_type": "cv", "text": "IT Education Academy, Course: Java Advance, Certificate(excellent) 2017" } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "752b2aa3-2833-5dce-846d-6fc4ca097995", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-026781
0.1
0.1
{ "text": "Practical authorization (RBAC) experience", "skill": "authorization (RBAC)", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-026781-e1", "section": "skills_list", "source_type": "cv", "text": "Tools: Git, authorization (RBAC), Docker, Postman, Jira" }, { "evidence_id": "sj-v004-syn-026781-e2", "section": "summary", "source_type": "cv", "text": "Fluent English." } ]
{ "group_id": "security", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-014110
0.1
0.1
{ "text": "OWASP secure coding (must have)", "skill": "OWASP secure coding", "group_id": "security", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-014110-e1", "section": "experience", "source_type": "cv", "text": "As distinguished engineer I ran secure coding program and threat modeling for all new services; I am the go-to OWASP secure coding authority company-wide and publish on OWASP secure coding." } ]
{ "group_id": "security", "evidence_label": "supported", "proficiency_label": "5" }
{ "difficulty": "easy", "case_type": "expert", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v008-cv-01118
0.1
0.1
{ "text": "Experience with distributed consistency", "skill": "distributed consistency", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-01118-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Completed an online distributed consistency course with a certificate." } ]
{ "group_id": "system_design", "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-011229
0.1
0.1
{ "text": "Production REST API design skills", "skill": "REST API design", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-011229-e1", "section": "experience", "source_type": "cv", "text": "Lead engineer 2018-2023: designed a versioned public REST API (OpenAPI) for 40+ partners with idempotency keys." }, { "evidence_id": "sj-v004-syn-011229-e2", "section": "summary", "source...
{ "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-05159
0.1
0.1
{ "text": "Proven mentoring in production", "skill": "mentoring", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-05159-e1", "section": "cv_excerpt", "source_type": "cv", "text": "for last 7 years I launched more than 50 projects on customer's hardware. I have created monitoring system which covered systems of all customers, based on zabbix. Configured CI/CD process using gitlab-c...
{ "group_id": "leadership", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "4867467d-6920-5c53-ab0c-edf9ebbfb644", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-syn-016323
0.1
0.1
{ "text": "Hands-on C#/.NET", "skill": "C#/.NET", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-016323-e1", "section": "education", "source_type": "cv", "text": "University course project using C#/.NET for a simple CRUD demo." } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "easy", "case_type": "toy_project", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-003979
0.1
0.1
{ "text": "Working knowledge of technical design docs", "skill": "technical design docs", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-003979-e1", "section": "skills_list", "source_type": "cv", "text": "Technologies: Docker, technical design docs, Scrum, SQL" }, { "evidence_id": "sj-v004-syn-003979-e2", "section": "summary", "source_type": "cv", "text": "B.Sc. in Computer Science." ...
{ "group_id": "leadership", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-025362
0.1
0.1
{ "text": "Expert-level TDD", "skill": "TDD", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-025362-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." } ]
{ "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-03784
0.1
0.1
{ "text": "Strong React skills", "skill": "React", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-03784-e1", "section": "cv_excerpt", "source_type": "cv", "text": "I'm looking for a project which uses modern technologies and built on React and TypeScript." } ]
{ "group_id": "frontend", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "381136c6-d4f6-5d84-b117-125b3e29aaf1", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-017229
0.1
0.1
{ "text": "Production Java skills", "skill": "Java", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-017229-e1", "section": "experience", "source_type": "cv", "text": "Junior engineer (10 months): helped the team when it owned Spring Boot services end-to-end, under a senior's guidance." }, { "evidence_id": "sj-v004-syn-017229-e2", "section": "summary", ...
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "easy", "case_type": "below_target", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v002-tr-0229
0.1
0.1
{ "text": "Hands-on Rust", "skill": "Rust", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v002-tr-0229-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_v002", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-001818
0.1
0.1
{ "text": "Experience with integration testing", "skill": "integration testing", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-001818-e1", "section": "experience", "source_type": "cv", "text": "as distinguished engineer i built testcontainers-based integration test framework adopted by 10 teams; i am the go-to integration testing authority company-wide and publish on integration testing." } ]
{ "group_id": "testing_quality", "evidence_label": "supported", "proficiency_label": "5" }
{ "difficulty": "easy", "case_type": "expert", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-023601
0.1
0.1
{ "text": "Practical monitoring experience", "skill": "monitoring", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-023601-e1", "section": "experience", "source_type": "cv", "text": "Delivered features end-to-end where I created dashboards and alerts for services." } ]
{ "group_id": "reliability_obs", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "easy", "case_type": "direct_moderate", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-02627
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-02627-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Over the course of my career, I have honed my skills in crafting effective go-to-market strategies that optimize product launches and drive customer acquisition." } ]
{ "group_id": "lang_core", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "5f6fa6a0-5d4b-517c-9bd5-b0773ba5f3b4", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v006-c-01709
0.1
0.1
{ "text": "Experience with distributed tracing", "skill": "distributed tracing", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v006-c-01709-e1", "section": "experience", "source_type": "cv", "text": "Six months of junior experience where I helped as the team instrumented services with OpenTelemetry." } ]
{ "group_id": "reliability_obs", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "contrast_partial_supported", "source": "synthetic_v006", "split": "train", "label_status": "synthetic_needs_review" }
sj-v006-c-01852
0.1
0.1
{ "text": "Commercial Node.js experience", "skill": "Node.js", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v006-c-01852-e1", "section": "experience", "source_type": "cv", "text": "Built and operated Node.js components in production for 2+ years: developed Express APIs and handled on-call issues." } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "contrast_partial_supported", "source": "synthetic_v006", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-016477
0.1
0.1
{ "text": "Expert-level GraphQL", "skill": "GraphQL", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-016477-e1", "section": "experience", "source_type": "cv", "text": "In my last role I designed a federated GraphQL schema with dataloader batching for 8 teams." } ]
{ "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-syn-022107
0.1
0.1
{ "text": "OWASP secure coding experience", "skill": "OWASP secure coding", "group_id": "security", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-022107-e1", "section": "experience", "source_type": "cv", "text": "the platform team ran secure coding program and threat modeling for all new services. i joined late and handled minor tasks." } ]
{ "group_id": "security", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "team_credit", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-022813
0.1
0.1
{ "text": "Redis (must have)", "skill": "Redis", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-022813-e1", "section": "experience", "source_type": "cv", "text": "Under supervision I worked on small parts while the team added Redis caching with TTL invalidation." } ]
{ "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-009264
0.1
0.1
{ "text": "Expert-level Docker", "skill": "Docker", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-009264-e1", "section": "experience", "source_type": "cv", "text": "Trainee developer; shadowed seniors who containerized services with Docker." }, { "evidence_id": "sj-v004-syn-009264-e2", "section": "summary", "source_type": "cv", "text": "Also work...
{ "group_id": "cloud_devops", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "easy", "case_type": "below_target", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-04209
0.1
0.1
{ "text": "Proven Go in production", "skill": "Go", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-04209-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Developed microservices in Go language." } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "aa332058-7a06-55a4-9178-94f25194fd0a", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-real-06151
0.1
0.1
{ "text": "GCP experience", "skill": "GCP", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-06151-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Overall 10 years of work experience in Applied Mathematics and Data Science fields. Proficient knowledge in mathematics, statistics, and analysis. Experience in Data Mining, Data Analysis, Research." }...
{ "group_id": "cloud_devops", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "a7a7ac22-0abb-57ed-934b-82df45137291", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-syn-010119
0.1
0.1
{ "text": "Commercial experience with Python", "skill": "Python", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-010119-e1", "section": "experience", "source_type": "cv", "text": "Our team architected an async Python (FastAPI) platform serving 30 internal teams. My contribution: tests and documentation." } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "team_credit", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v005-bl4-01133
0.1
0.1
{ "text": "Solid TypeScript (frontend) knowledge", "skill": "TypeScript (frontend)", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v005-bl4-01133-e1", "section": "experience", "source_type": "cv", "text": "Designed and led: led migration of 300k-line JS frontend to strict TypeScript, with measurable outcomes." } ]
{ "group_id": "frontend", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "hard", "case_type": "boundary_l4", "source": "synthetic_v005", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-029405
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-029405-e1", "section": "summary", "source_type": "cv", "text": "I have not used GCP professionally or in projects; my experience is in other areas." } ]
{ "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-008724
0.1
0.1
{ "text": "Good understanding of OAuth2/OIDC", "skill": "OAuth2/OIDC", "group_id": "security", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-008724-e1", "section": "experience", "source_type": "cv", "text": "in my last role i designed sso with oidc and token exchange across 10 products." }, { "evidence_id": "sj-v004-syn-008724-e2", "section": "summary", "source_type": "cv", "text": "looki...
{ "group_id": "security", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-00437
0.1
0.1
{ "text": "Proven Java in production", "skill": "Java", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-00437-e1", "section": "cv_excerpt", "source_type": "cv", "text": "6 years experience as developer in ukrainian outsourcing companies: Python, Java." } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_years_hands_on", "source": "djinni_cv_en", "source_record": "6cbc3829-0b09-5d5d-a56b-d6e769c7f60b", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0....
sj-v004-syn-022749
0.1
0.1
{ "text": "Proven integration testing in production", "skill": "integration testing", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-022749-e1", "section": "summary", "source_type": "cv", "text": "I have not used integration testing professionally or in projects; my experience is in other areas." } ]
{ "group_id": "testing_quality", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "explicit_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-010992
0.1
0.1
{ "text": "monitoring (must have)", "skill": "monitoring", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-010992-e1", "section": "experience", "source_type": "cv", "text": "For 2.5 years I created dashboards and alerts for services as the main developer of the service." } ]
{ "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-v008-cv-01086
0.1
0.1
{ "text": "Commercial caching strategy experience", "skill": "caching strategy", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-01086-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Completed an online caching strategy course with a certificate." } ]
{ "group_id": "system_design", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "convention_v02", "source": "synthetic_v008", "split": "train", "label_status": "synthetic_convention_v0.2" }
sj-v006-c-01392
0.1
0.1
{ "text": "Hands-on Node.js", "skill": "Node.js", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v006-c-01392-e1", "section": "experience", "source_type": "cv", "text": "Built and operated Node.js components in production for 2+ years: developed Express APIs and handled on-call issues." } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "contrast_partial_supported", "source": "synthetic_v006", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-001541
0.1
0.1
{ "text": "Python (must have)", "skill": "Python", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-001541-e1", "section": "experience", "source_type": "cv", "text": "Our team architected an async Python (FastAPI) platform serving 30 internal teams. My contribution: tests and documentation." }, { "evidence_id": "sj-v004-syn-001541-e2", "section": "summary"...
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "team_credit", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-008305
0.1
0.1
{ "text": "Practical GraphQL experience", "skill": "GraphQL", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-008305-e1", "section": "skills_list", "source_type": "cv", "text": "Keywords: Agile, GraphQL, 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-013865
0.1
0.1
{ "text": "Strong hands-on integration testing background", "skill": "integration testing", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-013865-e1", "section": "experience", "source_type": "cv", "text": "Contributed peripheral tickets to a project where the team built Testcontainers-based integration test framework adopted by 10 teams." } ]
{ "group_id": "testing_quality", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "team_credit", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v005-bl5-01318
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-bl5-01318-e1", "section": "experience", "source_type": "cv", "text": "Organization-level owner of unit testing strategy: set testing standards and raised coverage from 30% to 85% across the org, consulted by every team." } ]
{ "group_id": "testing_quality", "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-01491
0.1
0.1
{ "text": "Hands-on web performance", "skill": "web performance", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v006-c-01491-e1", "section": "experience", "source_type": "cv", "text": "Six months of junior experience where I helped as the team optimized bundle size with code splitting." } ]
{ "group_id": "frontend", "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-015039
0.1
0.1
{ "text": "Experience with TDD", "skill": "TDD", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-015039-e1", "section": "experience", "source_type": "cv", "text": "Bootcamp assignment: basic TDD exercise." } ]
{ "group_id": "testing_quality", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "easy", "case_type": "toy_project", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-024128
0.1
0.1
{ "text": "Strong hands-on Kubernetes background", "skill": "Kubernetes", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-024128-e1", "section": "experience", "source_type": "cv", "text": "lead engineer 2018-2023: designed multi-cluster kubernetes platform with autoscaling and gitops for 40 services." }, { "evidence_id": "sj-v004-syn-024128-e2", "section": "summary", "sourc...
{ "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-v005-bl3-00011
0.1
0.1
{ "text": "Production Java skills", "skill": "Java", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v005-bl3-00011-e1", "section": "experience", "source_type": "cv", "text": "In my current job I owned Spring Boot services end-to-end and fix issues without help." } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "boundary_l3", "source": "synthetic_v005", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-04639
0.1
0.1
{ "text": "Proven Java in production", "skill": "Java", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-04639-e1", "section": "cv_excerpt", "source_type": "cv", "text": "4+ years overall experience in process automation and software development, engaged in Android development (JAVA) over the last year." } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "real_years_hands_on", "source": "djinni_cv_en", "source_record": "d722b922-8e70-554a-8560-1853414f6f82", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": "v...
sj-v004-syn-011798
0.1
0.1
{ "text": "caching strategy (must have)", "skill": "caching strategy", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-011798-e1", "section": "summary", "source_type": "cv", "text": "No hands-on caching strategy experience yet; planning to learn it." } ]
{ "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-v008-cv-00033
0.1
0.1
{ "text": "Commercial Go experience", "skill": "Go", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-00033-e1", "section": "cv_excerpt", "source_type": "cv", "text": "At a mid-size company I rewrote the Go ingestion service to handle 15k req/s with bounded worker pools." } ]
{ "group_id": "lang_core", "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-003012
0.1
0.1
{ "text": "Practical technical design docs experience", "skill": "technical design docs", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-003012-e1", "section": "experience", "source_type": "cv", "text": "Mid-level developer: wrote design docs for team features; shipped to production regularly." } ]
{ "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-001968
0.1
0.1
{ "text": "Solid SLO/SLI knowledge", "skill": "SLO/SLI", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-001968-e1", "section": "summary", "source_type": "cv", "text": "i have not used slo/sli 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-026223
0.1
0.1
{ "text": "MongoDB experience", "skill": "MongoDB", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-026223-e1", "section": "projects", "source_type": "portfolio", "text": "Case study: modeled sharded MongoDB collections for 2B documents. Includes architecture diagrams and benchmark results." }, { "evidence_id": "sj-v004-syn-026223-e2", "section": "summary"...
{ "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-002840
0.1
0.1
{ "text": "Expert-level Go", "skill": "Go", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-002840-e1", "section": "experience", "source_type": "cv", "text": "Day to day I built Go microservices and fixed production bugs on my own." } ]
{ "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-023967
0.1
0.1
{ "text": "C#/.NET experience", "skill": "C#/.NET", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-023967-e1", "section": "experience", "source_type": "cv", "text": "Tech lead who architected .NET 8 order platform across 12 services, and mentored the team on C#/.NET practices." }, { "evidence_id": "sj-v004-syn-023967-e2", "section": "summary", "source...
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-019102
0.1
0.1
{ "text": "Commercial experience with REST API design", "skill": "REST API design", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-019102-e1", "section": "summary", "source_type": "cv", "text": "I have not used REST API design professionally or in projects; my experience is in other areas." } ]
{ "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-syn-000306
0.1
0.1
{ "text": "Strong hands-on distributed consistency background", "skill": "distributed consistency", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-000306-e1", "section": "summary", "source_type": "cv", "text": "I have no experience with distributed consistency at all." } ]
{ "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-018708
0.1
0.1
{ "text": "Commercial experience with OpenAPI", "skill": "OpenAPI", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-018708-e1", "section": "skills_list", "source_type": "cv", "text": "Stack: OpenAPI, Jira, Confluence, Git" } ]
{ "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-028609
0.1
0.1
{ "text": "Expert-level incident response", "skill": "incident response", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-028609-e1", "section": "experience", "source_type": "cv", "text": "Junior engineer (10 months): helped the team when it took part in on-call and wrote postmortems, under a senior's guidance." } ]
{ "group_id": "reliability_obs", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "easy", "case_type": "below_target", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-031091
0.1
0.1
{ "text": "Practical incident response experience", "skill": "incident response", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-031091-e1", "section": "experience", "source_type": "cv", "text": "Intern then junior: with help from the lead, I contributed while the team took part in on-call and wrote postmortems." }, { "evidence_id": "sj-v004-syn-031091-e2", "section": "summary", "...
{ "group_id": "reliability_obs", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "easy", "case_type": "below_target", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-004034
0.1
0.1
{ "text": "Experience with monitoring", "skill": "monitoring", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-004034-e1", "section": "experience", "source_type": "cv", "text": "Was part of a team that built the company observability stack (Prometheus, Grafana) and SLO program; I worked on smaller tickets around it." } ]
{ "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-019497
0.1
0.1
{ "text": "Commercial experience with Kafka", "skill": "Kafka", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-019497-e1", "section": "experience", "source_type": "cv", "text": "Our team designed a Kafka event backbone processing 50M events/day with exactly-once via outbox. My contribution: tests and documentation." } ]
{ "group_id": "system_design", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "team_credit", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-021869
0.1
0.1
{ "text": "Practical authorization (RBAC) experience", "skill": "authorization (RBAC)", "group_id": "security", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-021869-e1", "section": "experience", "source_type": "cv", "text": "Junior engineer (10 months): helped the team when it implemented role checks in APIs, under a senior's guidance." }, { "evidence_id": "sj-v004-syn-021869-e2", "section": "summary", "sourc...
{ "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-03021
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-03021-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Created several cloud-based solutions, with CI/CD;" } ]
{ "group_id": "cloud_devops", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "43c0d0cb-609f-51f0-9a76-a98de09e185c", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-real-05041
0.1
0.1
{ "text": "Proven Terraform in production", "skill": "Terraform", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-05041-e1", "section": "cv_excerpt", "source_type": "cv", "text": "The key strengths that I possess for success in this position include: good knowledge of HTML5, CSS3, JavaScript experience of teamwork (using Git)" } ]
{ "group_id": "cloud_devops", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "3703448a-d874-5738-a784-25ad47daeb5c", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-syn-023020
0.1
0.1
{ "text": "Experience with React", "skill": "React", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-023020-e1", "section": "summary", "source_type": "cv", "text": "haven't worked with react; my background is elsewhere." }, { "evidence_id": "sj-v004-syn-023020-e2", "section": "summary", "source_type": "cv", "text": "looking for a product company." ...
{ "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-030304
0.1
0.1
{ "text": "Production hiring skills", "skill": "hiring", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-030304-e1", "section": "summary", "source_type": "cv", "text": "Passionate engineer who loves clean code and best practices." } ]
{ "group_id": "leadership", "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-025324
0.1
0.1
{ "text": "Solid secrets management knowledge", "skill": "secrets management", "group_id": "security", "target_level": 3, "importance": "must" }
[]
{ "group_id": "security", "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-009571
0.1
0.1
{ "text": "Working knowledge of TDD", "skill": "TDD", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-009571-e1", "section": "experience", "source_type": "cv", "text": "Resume claims they coached teams on TDD and ran katas; team defect rate dropped 50%." }, { "evidence_id": "sj-v004-syn-009571-e2", "section": "interview", "source_type": "interview", ...
{ "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-004321
0.1
0.1
{ "text": "Working knowledge of monitoring", "skill": "monitoring", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-004321-e1", "section": "experience", "source_type": "cv", "text": "Staff+ engineer who built the company observability stack (Prometheus, Grafana) and SLO program, setting monitoring standards across the organization." }, { "evidence_id": "sj-v004-syn-004321-e2"...
{ "group_id": "reliability_obs", "evidence_label": "supported", "proficiency_label": "5" }
{ "difficulty": "easy", "case_type": "expert", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v006-c-00509
0.1
0.1
{ "text": "Hands-on Terraform", "skill": "Terraform", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v006-c-00509-e1", "section": "experience", "source_type": "cv", "text": "Tried Terraform 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-021009
0.1
0.1
{ "text": "Hands-on REST API design", "skill": "REST API design", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-021009-e1", "section": "experience", "source_type": "cv", "text": "Day to day I built REST endpoints with validation and pagination on my own." } ]
{ "group_id": "api_design", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "easy", "case_type": "direct_moderate", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-03569
0.1
0.1
{ "text": "Strong React skills", "skill": "React", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-03569-e1", "section": "cv_excerpt", "source_type": "cv", "text": "React JS (studying)\t•\tAJAX" } ]
{ "group_id": "frontend", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "4269e701-9d65-5b63-8de4-51d4d44848d9", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": "v0.2" }
sj-v004-real-01616
0.1
0.1
{ "text": "Strong Java skills", "skill": "Java", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-01616-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Stack: Java, Kotlin, Python, JS, Spring Boot, GCP, Postgres, Firestore, React, Pub/Sub." } ]
{ "group_id": "lang_core", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_keyword_list", "source": "djinni_cv_en", "source_record": "11a0426d-cca5-590a-970e-1c7a4b4b943a", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2"...
sj-v006-c-01372
0.1
0.1
{ "text": "Commercial TypeScript (frontend) experience", "skill": "TypeScript (frontend)", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v006-c-01372-e1", "section": "experience", "source_type": "cv", "text": "Freelance: delivered several client projects where I wrote typed React components." } ]
{ "group_id": "frontend", "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-013084
0.1
0.1
{ "text": "Expert-level API versioning", "skill": "API versioning", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-013084-e1", "section": "experience", "source_type": "cv", "text": "Intern then junior: with help from the lead, I contributed while the team shipped v2 of an internal API with backward compatibility." } ]
{ "group_id": "api_design", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "easy", "case_type": "below_target", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-05364
0.1
0.1
{ "text": "GraphQL experience", "skill": "GraphQL", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-05364-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Within the time on position as Content Writer at SciForce, our blog hit the list of top AI writers on Medium globally. Also, SciForce got a mention in IoT World Today’s article by Jack Hague, the British...
{ "group_id": "api_design", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "c6fe612a-dec5-5955-9f6b-ff9d3d9c6b63", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v006-c-00119
0.1
0.1
{ "text": "Commercial GCP experience", "skill": "GCP", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v006-c-00119-e1", "section": "experience", "source_type": "cv", "text": "My team architected GCP data platform on GKE and BigQuery; 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-v006-c-00168
0.1
0.1
{ "text": "Experience with monitoring", "skill": "monitoring", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v006-c-00168-e1", "section": "experience", "source_type": "cv", "text": "Six months of junior experience where I helped as the team created dashboards and alerts for services." } ]
{ "group_id": "reliability_obs", "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-022242
0.1
0.1
{ "text": "Working knowledge of Elasticsearch", "skill": "Elasticsearch", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-022242-e1", "section": "summary", "source_type": "cv", "text": "Self-rated 10/10 in Elasticsearch." }, { "evidence_id": "sj-v004-syn-022242-e2", "section": "summary", "source_type": "cv", "text": "Looking for a product company." } ]
{ "group_id": "data_storage", "evidence_label": "partial", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "claim_no_detail", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-027597
0.1
0.1
{ "text": "hiring experience", "skill": "hiring", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-027597-e1", "section": "experience", "source_type": "cv", "text": "Summary: Team member on the payments squad (2021-2024). Hobbies: football." } ]
{ "group_id": "leadership", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "missing_skill", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-029630
0.1
0.1
{ "text": "Practical caching strategy experience", "skill": "caching strategy", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-029630-e1", "section": "experience", "source_type": "cv", "text": "QA engineer writing manual test plans." } ]
{ "group_id": "system_design", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "missing_skill", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-000643
0.1
0.1
{ "text": "Commercial experience with caching strategy", "skill": "caching strategy", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-000643-e1", "section": "experience", "source_type": "cv", "text": "The platform team designed multi-layer caching (CDN, Redis, local) cutting DB load 70%. I joined late and handled minor tasks." } ]
{ "group_id": "system_design", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "team_credit", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-03919
0.1
0.1
{ "text": "Proven Java in production", "skill": "Java", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-03919-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Basic experience with Java (bug fixes, used to be my backend language) and a personal interest in Node.js." } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "5cb7f6ab-7a49-5b9a-8c90-c855dc9b0c5a", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": "v0.2" }
sj-v004-syn-014702
0.1
0.1
{ "text": "incident response (must have)", "skill": "incident response", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-014702-e1", "section": "summary", "source_type": "cv", "text": "Expert in incident response with 10 years of experience." } ]
{ "group_id": "reliability_obs", "evidence_label": "partial", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "claim_no_detail", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-013106
0.1
0.1
{ "text": "Expert-level TypeScript (frontend)", "skill": "TypeScript (frontend)", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-013106-e1", "section": "skills_list", "source_type": "cv", "text": "Skills: TypeScript (frontend), Git, Jira, Agile, Linux" }, { "evidence_id": "sj-v004-syn-013106-e2", "section": "summary", "source_type": "cv", "text": "Agile/Scrum teams of 5-8 peop...
{ "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-v005-bl3-00116
0.1
0.1
{ "text": "Production API versioning skills", "skill": "API versioning", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v005-bl3-00116-e1", "section": "experience", "source_type": "cv", "text": "In my current job I shipped v2 of an internal API with backward compatibility and fix issues without help." } ]
{ "group_id": "api_design", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "boundary_l3", "source": "synthetic_v005", "split": "train", "label_status": "synthetic_needs_review" }