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sj-v004-syn-011143
0.1
0.1
{ "text": "Strong hands-on MongoDB background", "skill": "MongoDB", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-011143-e1", "section": "experience", "source_type": "cv", "text": "Intern then junior: with help from the lead, I contributed while the team built MongoDB aggregations for reporting." } ]
{ "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-real-01131
0.1
0.1
{ "text": "Kafka experience", "skill": "Kafka", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-01131-e1", "section": "cv_excerpt", "source_type": "cv", "text": "integrations: Kafka Connect, custom self-developed applications" } ]
{ "group_id": "system_design", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "71fe958f-0fb3-505e-a2d8-7fa87f864fde", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-015012
0.1
0.1
{ "text": "Production secrets management skills", "skill": "secrets management", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-015012-e1", "section": "experience", "source_type": "cv", "text": "Software engineer (2021-2024): used AWS Secrets Manager in services." } ]
{ "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-031227
0.1
0.1
{ "text": "Good understanding of OWASP secure coding", "skill": "OWASP secure coding", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-031227-e1", "section": "skills_list", "source_type": "cv", "text": "Tools: Git, OWASP secure coding, Docker, Postman, Jira" }, { "evidence_id": "sj-v004-syn-031227-e2", "section": "summary", "source_type": "cv", "text": "Based in Europe, open to remo...
{ "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-020843
0.1
0.1
{ "text": "Strong gRPC skills", "skill": "gRPC", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-020843-e1", "section": "skills_list", "source_type": "cv", "text": "Tools: Git, gRPC, Docker, Postman, Jira" }, { "evidence_id": "sj-v004-syn-020843-e2", "section": "summary", "source_type": "cv", "text": "Looking for a product company." } ]
{ "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-v006-c-01309
0.1
0.1
{ "text": "Commercial database migrations experience", "skill": "database migrations", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v006-c-01309-e1", "section": "experience", "source_type": "cv", "text": "My team led zero-downtime migration of 200 tables to a new schema; I only wrote some tests around it." } ]
{ "group_id": "data_storage", "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-01330
0.1
0.1
{ "text": "Production distributed consistency skills", "skill": "distributed consistency", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v006-c-01330-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-024339
0.1
0.1
{ "text": "Commercial experience with C#/.NET", "skill": "C#/.NET", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-024339-e1", "section": "experience", "source_type": "cv", "text": "Resume claims they architected .NET 8 order platform across 12 services." }, { "evidence_id": "sj-v004-syn-024339-e2", "section": "interview", "source_type": "interview", "text": "Int...
{ "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-026320
0.1
0.1
{ "text": "Proven integration testing in production", "skill": "integration testing", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-026320-e1", "section": "experience", "source_type": "cv", "text": "the platform team built testcontainers-based integration test framework adopted by 10 teams. i joined late and handled minor tasks." } ]
{ "group_id": "testing_quality", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "team_credit", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-04585
0.1
0.1
{ "text": "Strong Python skills", "skill": "Python", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-04585-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Python ( I have 3 Machine Learning projects) - Wrote scripts to clean the data, analyze large data sets, discover hidden relationships between variables and build a training machine." } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "2b5d5d2c-80fd-5c34-9adc-59bf245a7191", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-023730
0.1
0.1
{ "text": "MySQL experience", "skill": "MySQL", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-023730-e1", "section": "experience", "source_type": "cv", "text": "Delivered features end-to-end where I designed MySQL schemas for new features." } ]
{ "group_id": "data_storage", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "easy", "case_type": "direct_moderate", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-000346
0.1
0.1
{ "text": "Solid Go knowledge", "skill": "Go", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-000346-e1", "section": "experience", "source_type": "cv", "text": "Owned the initiative where I rewrote the Go ingestion service to handle 15k req/s with bounded worker pools, and drove Go decisions for the team." }, { "evidence_id": "sj-v004-syn-000346-e2", ...
{ "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-real-01866
0.1
0.1
{ "text": "Python experience", "skill": "Python", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-01866-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Main skills: Swift, Objective-C, C/C++, Python, SQL, Machine Learning" } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "ef236c0e-509b-56e6-9636-e59779b420af", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-012423
0.1
0.1
{ "text": "Commercial experience with web performance", "skill": "web performance", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-012423-e1", "section": "summary", "source_type": "cv", "text": "Fast learner, team player, results-driven." } ]
{ "group_id": "frontend", "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-020287
0.1
0.1
{ "text": "Strong hands-on secrets management background", "skill": "secrets management", "group_id": "security", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-020287-e1", "section": "experience", "source_type": "cv", "text": "Junior engineer (10 months): helped the team when it used AWS Secrets Manager in services, under a senior's guidance." } ]
{ "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-04546
0.1
0.1
{ "text": "React experience", "skill": "React", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-04546-e1", "section": "cv_excerpt", "source_type": "cv", "text": "I wrote unit tests using Jest to ensure the stability and correctness of React components." } ]
{ "group_id": "frontend", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "6227d379-e1ea-59f6-92ce-0af835aa0f56", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": "v0.2" }
sj-v004-syn-010021
0.1
0.1
{ "text": "Proven state management in production", "skill": "state management", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-010021-e1", "section": "experience", "source_type": "cv", "text": "Backend engineer, 3 years: used Redux in production features." }, { "evidence_id": "sj-v004-syn-010021-e2", "section": "summary", "source_type": "cv", "text": "Agile/Scrum teams of 5-...
{ "group_id": "frontend", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "easy", "case_type": "direct_moderate", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-006818
0.1
0.1
{ "text": "Proven Terraform in production", "skill": "Terraform", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-006818-e1", "section": "skills_list", "source_type": "cv", "text": "keywords: agile, terraform, linux, rest" }, { "evidence_id": "sj-v004-syn-006818-e2", "section": "summary", "source_type": "cv", "text": "based in europe, open to remote." } ]
{ "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-real-04614
0.1
0.1
{ "text": "Java experience", "skill": "Java", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-04614-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Java enterprise - full course of mentoring in Foxminded" } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "2223d7a8-ce36-525b-8902-cc3d4da27b3e", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": "v0.2" }
sj-v004-syn-030090
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-030090-e1", "section": "experience", "source_type": "cv", "text": "Trainee developer; shadowed seniors who developed Express APIs and handled on-call issues." }, { "evidence_id": "sj-v004-syn-030090-e2", "section": "summary", "source_type": "cv", "te...
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "easy", "case_type": "below_target", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v006-c-00129
0.1
0.1
{ "text": "Experience with monitoring", "skill": "monitoring", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v006-c-00129-e1", "section": "experience", "source_type": "cv", "text": "University coursework included a monitoring 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-v004-syn-027333
0.1
0.1
{ "text": "Good understanding of microservices", "skill": "microservices", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-027333-e1", "section": "experience", "source_type": "cv", "text": "Was part of a team that architected the monolith-to-microservices split into 25 services with clear boundaries; I worked on smaller tickets around it." } ]
{ "group_id": "system_design", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "team_credit", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v005-bl3-00380
0.1
0.1
{ "text": "Solid incident response knowledge", "skill": "incident response", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v005-bl3-00380-e1", "section": "experience", "source_type": "cv", "text": "Worked independently: took part in on-call and wrote postmortems, owning it in production." } ]
{ "group_id": "reliability_obs", "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-019265
0.1
0.1
{ "text": "Expert-level Docker", "skill": "Docker", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-019265-e1", "section": "experience", "source_type": "cv", "text": "Claimed: built hardened multi-stage Docker images and base-image program for all teams." }, { "evidence_id": "sj-v004-syn-019265-e2", "section": "interview", "source_type": "interview", ...
{ "group_id": "cloud_devops", "evidence_label": "contradicted", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "cv_vs_interview", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-009492
0.1
0.1
{ "text": "Experience with distributed tracing", "skill": "distributed tracing", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-009492-e1", "section": "summary", "source_type": "cv", "text": "Haven't worked with distributed tracing; my background is elsewhere." } ]
{ "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-v008-cv-01094
0.1
0.1
{ "text": "Strong hiring skills", "skill": "hiring", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-01094-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Ran a hiring study group for university students for a semester." } ]
{ "group_id": "leadership", "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-020320
0.1
0.1
{ "text": "Strong Go skills", "skill": "Go", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-020320-e1", "section": "skills_list", "source_type": "cv", "text": "Tools: Git, Go, Docker, Postman, Jira" } ]
{ "group_id": "lang_core", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-015610
0.1
0.1
{ "text": "Practical OAuth2/OIDC experience", "skill": "OAuth2/OIDC", "group_id": "security", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-015610-e1", "section": "experience", "source_type": "cv", "text": "Core contributor to the OAuth2/OIDC ecosystem; designed SSO with OIDC and token exchange across 10 products." } ]
{ "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-v004-syn-003945
0.1
0.1
{ "text": "Practical Java experience", "skill": "Java", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-003945-e1", "section": "experience", "source_type": "cv", "text": "Senior engineer (2019-2024): designed a Java/Spring settlement engine processing $2B/yr and cut GC pauses 80%." } ]
{ "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-004364
0.1
0.1
{ "text": "Good understanding of PostgreSQL", "skill": "PostgreSQL", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-004364-e1", "section": "summary", "source_type": "cv", "text": "PostgreSQL guru, top expert level." }, { "evidence_id": "sj-v004-syn-004364-e2", "section": "summary", "source_type": "cv", "text": "Agile/Scrum teams of 5-8 people." } ]
{ "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-012966
0.1
0.1
{ "text": "Strong hands-on Node.js background", "skill": "Node.js", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-012966-e1", "section": "experience", "source_type": "cv", "text": "Side project: small Node.js demo built while following an online course." }, { "evidence_id": "sj-v004-syn-012966-e2", "section": "summary", "source_type": "cv", "text": "Based in Eur...
{ "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-030394
0.1
0.1
{ "text": "Working knowledge of MySQL", "skill": "MySQL", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-030394-e1", "section": "experience", "source_type": "cv", "text": "Junior engineer (10 months): helped the team when it designed MySQL schemas for new features, under a senior's guidance." } ]
{ "group_id": "data_storage", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "easy", "case_type": "below_target", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-000704
0.1
0.1
{ "text": "Kubernetes (must have)", "skill": "Kubernetes", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[]
{ "group_id": "cloud_devops", "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-021435
0.1
0.1
{ "text": "Experience with performance tuning", "skill": "performance tuning", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-021435-e1", "section": "experience", "source_type": "cv", "text": "Resume claims they profiled and tuned JVM services increasing throughput 3x on the same hardware." }, { "evidence_id": "sj-v004-syn-021435-e2", "section": "interview", "source_type": "int...
{ "group_id": "reliability_obs", "evidence_label": "contradicted", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "cv_vs_interview", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v008-cv-01225
0.1
0.1
{ "text": "Commercial OAuth2/OIDC experience", "skill": "OAuth2/OIDC", "group_id": "security", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-01225-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Worked on a mobile game project in OAuth2/OIDC." } ]
{ "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-real-04756
0.1
0.1
{ "text": "Kubernetes experience", "skill": "Kubernetes", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-04756-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Technology: Scala, Spark, Kafka, Hive, Airflow, Kubernetes, GitLab, Podman" } ]
{ "group_id": "cloud_devops", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_keyword_list", "source": "djinni_cv_en", "source_record": "20c63479-d7b4-5dd0-b52a-21fdd3326e92", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": "v0....
sj-v004-real-01856
0.1
0.1
{ "text": "Strong Docker skills", "skill": "Docker", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-01856-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Basic understanding of software containerization platforms like Docker and container orchestration tools like" } ]
{ "group_id": "cloud_devops", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "7a91b218-4a96-5af1-a2d4-28590ce1bf36", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v006-c-01909
0.1
0.1
{ "text": "Production technical design docs skills", "skill": "technical design docs", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v006-c-01909-e1", "section": "experience", "source_type": "cv", "text": "At work I wrote design docs for team features independently, including debugging prod incidents." } ]
{ "group_id": "leadership", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "contrast_partial_supported", "source": "synthetic_v006", "split": "train", "label_status": "synthetic_needs_review" }
sj-v005-bl4-01111
0.1
0.1
{ "text": "Solid MySQL knowledge", "skill": "MySQL", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v005-bl4-01111-e1", "section": "experience", "source_type": "cv", "text": "Drove the design: set up MySQL semi-sync replication and online schema changes at 20k QPS; also set MySQL guidelines for the team." } ]
{ "group_id": "data_storage", "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-021033
0.1
0.1
{ "text": "Production gRPC skills", "skill": "gRPC", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-021033-e1", "section": "interview", "source_type": "interview", "text": "Candidate confirmed they have never worked with gRPC." }, { "evidence_id": "sj-v004-syn-021033-e2", "section": "summary", "source_type": "cv", "text": "Looking for a product com...
{ "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-03192
0.1
0.1
{ "text": "Proven C#/.NET in production", "skill": "C#/.NET", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-03192-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Developed on C# .NET and used MSSQL" } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "a91e3367-8864-5913-bd93-ee9563793359", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-real-06445
0.1
0.1
{ "text": "Terraform experience", "skill": "Terraform", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-06445-e1", "section": "cv_excerpt", "source_type": "cv", "text": "A passionate and hard-working frontend engineer with 4 years of hands-on experience, was working in start-up . Open-minded team player, easily adapting to various" } ]
{ "group_id": "cloud_devops", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "fff1d81b-c21b-55ea-9976-225f3f3c9146", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-syn-024542
0.1
0.1
{ "text": "Strong hands-on TypeScript (frontend) background", "skill": "TypeScript (frontend)", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-024542-e1", "section": "experience", "source_type": "cv", "text": "Fellow-level engineer: led migration of 300k-line JS frontend to strict TypeScript. Wrote the internal TypeScript (frontend) handbook and teach TypeScript (frontend) externally." }, { "evidence_i...
{ "group_id": "frontend", "evidence_label": "supported", "proficiency_label": "5" }
{ "difficulty": "easy", "case_type": "expert", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-023486
0.1
0.1
{ "text": "Commercial experience with GraphQL", "skill": "GraphQL", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-023486-e1", "section": "experience", "source_type": "cv", "text": "tech lead who designed a federated graphql schema with dataloader batching for 8 teams, and mentored the team on graphql practices." } ]
{ "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-v006-c-01127
0.1
0.1
{ "text": "Hands-on integration testing", "skill": "integration testing", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v006-c-01127-e1", "section": "experience", "source_type": "cv", "text": "University coursework included a integration testing assignment." } ]
{ "group_id": "testing_quality", "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-011176
0.1
0.1
{ "text": "integration testing (must have)", "skill": "integration testing", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-011176-e1", "section": "skills_list", "source_type": "cv", "text": "Stack: integration testing, Jira, Confluence, Git" }, { "evidence_id": "sj-v004-syn-011176-e2", "section": "summary", "source_type": "cv", "text": "B.Sc. in Computer Science." } ]
{ "group_id": "testing_quality", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-016436
0.1
0.1
{ "text": "Working knowledge of SLO/SLI", "skill": "SLO/SLI", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-016436-e1", "section": "experience", "source_type": "cv", "text": "Fellow-level engineer: defined SLOs and error budgets adopted by engineering leadership. Wrote the internal SLO/SLI handbook and teach SLO/SLI externally." } ]
{ "group_id": "reliability_obs", "evidence_label": "supported", "proficiency_label": "5" }
{ "difficulty": "easy", "case_type": "expert", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-006320
0.1
0.1
{ "text": "Experience with integration testing", "skill": "integration testing", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-006320-e1", "section": "experience", "source_type": "cv", "text": "Software engineer (2021-2024): wrote integration tests against real databases." } ]
{ "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-real-02183
0.1
0.1
{ "text": "Strong Go skills", "skill": "Go", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-02183-e1", "section": "cv_excerpt", "source_type": "cv", "text": "I love improving and polishing the things that surround me, that's why I always go beyond the basic requirements for my role in every job place." } ]
{ "group_id": "lang_core", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "c1bd5a8a-663e-5126-82b2-0bffe28c6bda", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-real-01738
0.1
0.1
{ "text": "React experience", "skill": "React", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-01738-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Presently, I am amalgamating my study at university with learning JavaScript and React.js." } ]
{ "group_id": "frontend", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "7cb79230-e9ba-5574-8631-9b928b40f619", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-007157
0.1
0.1
{ "text": "Production AWS skills", "skill": "AWS", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-007157-e1", "section": "experience", "source_type": "cv", "text": "Senior engineer (2019-2024): designed AWS multi-account landing zone (EKS, RDS, IAM) for the company." } ]
{ "group_id": "cloud_devops", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-006891
0.1
0.1
{ "text": "Hands-on scalable system design", "skill": "scalable system design", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-006891-e1", "section": "interview", "source_type": "interview", "text": "Interview notes: candidate stated they never used scalable system design." } ]
{ "group_id": "system_design", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "verified_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-015239
0.1
0.1
{ "text": "Commercial experience with unit testing", "skill": "unit testing", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-015239-e1", "section": "summary", "source_type": "cv", "text": "unit testing guru, top expert level." }, { "evidence_id": "sj-v004-syn-015239-e2", "section": "summary", "source_type": "cv", "text": "B.Sc. in Computer Science." } ]
{ "group_id": "testing_quality", "evidence_label": "partial", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "claim_no_detail", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-006132
0.1
0.1
{ "text": "Good understanding of Kafka", "skill": "Kafka", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-006132-e1", "section": "skills_list", "source_type": "cv", "text": "skills: kafka, git, jira, agile, linux" }, { "evidence_id": "sj-v004-syn-006132-e2", "section": "summary", "source_type": "cv", "text": "looking for a product company." } ]
{ "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-06518
0.1
0.1
{ "text": "Proven CI/CD in production", "skill": "CI/CD", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-06518-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Total work experience in the content field - 2.5 years. During this time I have managed to work in different niches, namely: e-commerce, online education, and medical business. Administration and skills ...
{ "group_id": "cloud_devops", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "48d4342a-5319-5728-b2b2-98ca9d3687d2", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-syn-000415
0.1
0.1
{ "text": "Good understanding of caching strategy", "skill": "caching strategy", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-000415-e1", "section": "experience", "source_type": "cv", "text": "For 2.5 years I implemented cache-aside for hot endpoints as the main developer of the service." } ]
{ "group_id": "system_design", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "easy", "case_type": "direct_moderate", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-006197
0.1
0.1
{ "text": "Strong hands-on code review background", "skill": "code review", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-006197-e1", "section": "experience", "source_type": "cv", "text": "Tech lead who created code review guidelines and reviewed ~20 PRs/week as tech lead, and mentored the team on code review practices." } ]
{ "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-06289
0.1
0.1
{ "text": "Docker experience", "skill": "Docker", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-06289-e1", "section": "cv_excerpt", "source_type": "cv", "text": "I like to find ways from difficult tasks. I can do task until the end of it. I like to study and i like to have difficult tasks." } ]
{ "group_id": "cloud_devops", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "e0b670ec-a2f9-59e9-a9c3-590467f053b1", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-syn-008275
0.1
0.1
{ "text": "Hands-on gRPC", "skill": "gRPC", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-008275-e1", "section": "experience", "source_type": "cv", "text": "main stack: thrift. delivered several production projects with it." }, { "evidence_id": "sj-v004-syn-008275-e2", "section": "summary", "source_type": "cv", "text": "looking for a prod...
{ "group_id": "api_design", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "adjacent_tech", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v008-cv-00551
0.1
0.1
{ "text": "Experience with GraphQL", "skill": "GraphQL", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-00551-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Took part in a logistics app project built on GraphQL." } ]
{ "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-009210
0.1
0.1
{ "text": "Good understanding of incident response", "skill": "incident response", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-009210-e1", "section": "experience", "source_type": "cv", "text": "As distinguished engineer I led incident command for SEV1 outages and created the postmortem process; I am the go-to incident response authority company-wide and publish on incident response." }, { ...
{ "group_id": "reliability_obs", "evidence_label": "supported", "proficiency_label": "5" }
{ "difficulty": "easy", "case_type": "expert", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-014086
0.1
0.1
{ "text": "Commercial experience with gRPC", "skill": "gRPC", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-014086-e1", "section": "interview", "source_type": "interview", "text": "Interview notes: candidate stated they never used gRPC." }, { "evidence_id": "sj-v004-syn-014086-e2", "section": "summary", "source_type": "cv", "text": "Also worked with Git an...
{ "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-syn-006393
0.1
0.1
{ "text": "Good understanding of event-driven architecture", "skill": "event-driven architecture", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-006393-e1", "section": "experience", "source_type": "cv", "text": "Claimed: designed saga-based event-driven checkout across 6 services." }, { "evidence_id": "sj-v004-syn-006393-e2", "section": "interview", "source_type": "interview", "text": "Interv...
{ "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-real-03168
0.1
0.1
{ "text": "Strong Python skills", "skill": "Python", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-03168-e1", "section": "cv_excerpt", "source_type": "cv", "text": "During this project, I queried data from a PostgreSQL database using Python in a Jupyter notebook connected to the Database and then created a dashboard using Microsoft Power BI to draw insights from lea...
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "a289a2d7-2f75-5ed8-b439-2b534b06d360", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": "v0.2" }
sj-v004-syn-031093
0.1
0.1
{ "text": "Strong hands-on database migrations background", "skill": "database migrations", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-031093-e1", "section": "experience", "source_type": "cv", "text": "Fellow-level engineer: led zero-downtime migration of 200 tables to a new schema. Wrote the internal database migrations handbook and teach database migrations externally." }, { "evidence_id": "s...
{ "group_id": "data_storage", "evidence_label": "supported", "proficiency_label": "5" }
{ "difficulty": "easy", "case_type": "expert", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-013856
0.1
0.1
{ "text": "Proven API versioning in production", "skill": "API versioning", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-013856-e1", "section": "summary", "source_type": "cv", "text": "Self-motivated developer who enjoys challenges." } ]
{ "group_id": "api_design", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "easy", "case_type": "vague_claim", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-003529
0.1
0.1
{ "text": "Hands-on GCP", "skill": "GCP", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-003529-e1", "section": "experience", "source_type": "cv", "text": "As distinguished engineer I architected GCP data platform on GKE and BigQuery; I am the go-to GCP authority company-wide and publish on GCP." }, { "evidence_id": "sj-v004-syn-003529-e2", "sec...
{ "group_id": "cloud_devops", "evidence_label": "supported", "proficiency_label": "5" }
{ "difficulty": "easy", "case_type": "expert", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-000385
0.1
0.1
{ "text": "Hands-on AWS", "skill": "AWS", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-000385-e1", "section": "experience", "source_type": "cv", "text": "Assisted on tasks where the team deployed services on AWS ECS and RDS; picked tickets prepared by the lead." } ]
{ "group_id": "cloud_devops", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "easy", "case_type": "below_target", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-000714
0.1
0.1
{ "text": "Solid state management knowledge", "skill": "state management", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-000714-e1", "section": "experience", "source_type": "cv", "text": "Senior backend developer; key achievement: designed client state architecture with Redux Toolkit and React Query." } ]
{ "group_id": "frontend", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-020371
0.1
0.1
{ "text": "mentoring (must have)", "skill": "mentoring", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-020371-e1", "section": "experience", "source_type": "cv", "text": "Core contributor to the mentoring ecosystem; mentored 6 engineers, 3 promoted, and ran the onboarding program." } ]
{ "group_id": "leadership", "evidence_label": "supported", "proficiency_label": "5" }
{ "difficulty": "easy", "case_type": "expert", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-000039
0.1
0.1
{ "text": "Commercial experience with Kubernetes", "skill": "Kubernetes", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-000039-e1", "section": "experience", "source_type": "cv", "text": "Senior engineer (2019-2024): designed multi-cluster Kubernetes platform with autoscaling and GitOps for 40 services." } ]
{ "group_id": "cloud_devops", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-008065
0.1
0.1
{ "text": "Strong hands-on monitoring background", "skill": "monitoring", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-008065-e1", "section": "summary", "source_type": "cv", "text": "I have not used monitoring professionally or in projects; my experience is in other areas." }, { "evidence_id": "sj-v004-syn-008065-e2", "section": "summary", "source_type": "cv", "text"...
{ "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-019223
0.1
0.1
{ "text": "Strong hands-on TDD background", "skill": "TDD", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-019223-e1", "section": "interview", "source_type": "interview", "text": "Candidate confirmed they have never worked with TDD." } ]
{ "group_id": "testing_quality", "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-003861
0.1
0.1
{ "text": "Expert-level Redis", "skill": "Redis", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-003861-e1", "section": "experience", "source_type": "cv", "text": "Owned the initiative where I designed Redis cluster caching and rate limiting serving 100k ops/s, and drove Redis decisions for the team." } ]
{ "group_id": "data_storage", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-028697
0.1
0.1
{ "text": "Hands-on Redis", "skill": "Redis", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-028697-e1", "section": "experience", "source_type": "cv", "text": "Fellow-level engineer: designed Redis cluster caching and rate limiting serving 100k ops/s. Wrote the internal Redis handbook and teach Redis externally." } ]
{ "group_id": "data_storage", "evidence_label": "supported", "proficiency_label": "5" }
{ "difficulty": "easy", "case_type": "expert", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-025758
0.1
0.1
{ "text": "Practical monitoring experience", "skill": "monitoring", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-025758-e1", "section": "experience", "source_type": "cv", "text": "day to day i created dashboards and alerts for services on my own." } ]
{ "group_id": "reliability_obs", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "easy", "case_type": "direct_moderate", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-01789
0.1
0.1
{ "text": "Strong Python skills", "skill": "Python", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-01789-e1", "section": "cv_excerpt", "source_type": "cv", "text": "I have teached Python, Statistics, Machine Learning, Tensorflow, Deep Learning using Tensorflow framework to group of students." } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "14022f01-1f32-505e-ab17-1c613c4ec5d3", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-real-01883
0.1
0.1
{ "text": "Python experience", "skill": "Python", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-01883-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Finished IT School Hillel Python Courses;" } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "580275c4-549b-5eda-bd5c-9c42dcb67da5", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-016086
0.1
0.1
{ "text": "Production microservices skills", "skill": "microservices", "group_id": "system_design", "target_level": 4, "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-018290
0.1
0.1
{ "text": "Proven distributed consistency in production", "skill": "distributed consistency", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-018290-e1", "section": "experience", "source_type": "cv", "text": "Software engineer (2021-2024): handled retries and deduplication in distributed jobs." }, { "evidence_id": "sj-v004-syn-018290-e2", "section": "summary", "source_type": "cv", "text": ...
{ "group_id": "system_design", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "easy", "case_type": "direct_moderate", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v005-bl4-01065
0.1
0.1
{ "text": "Solid PostgreSQL knowledge", "skill": "PostgreSQL", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v005-bl4-01065-e1", "section": "experience", "source_type": "cv", "text": "Senior engineer and design owner: partitioned a 3TB PostgreSQL table and tuned indexes cutting queries from 40s to 1s." } ]
{ "group_id": "data_storage", "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-000925
0.1
0.1
{ "text": "Deep code review expertise", "skill": "code review", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-000925-e1", "section": "skills_list", "source_type": "cv", "text": "Stack: code review, Jira, Confluence, Git" }, { "evidence_id": "sj-v004-syn-000925-e2", "section": "summary", "source_type": "cv", "text": "Agile/Scrum teams of 5-8 people." } ]
{ "group_id": "testing_quality", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-018132
0.1
0.1
{ "text": "Strong hands-on accessibility background", "skill": "accessibility", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-018132-e1", "section": "experience", "source_type": "cv", "text": "Intern then junior: with help from the lead, I contributed while the team fixed accessibility issues reported by QA." }, { "evidence_id": "sj-v004-syn-018132-e2", "section": "summary", "s...
{ "group_id": "frontend", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "easy", "case_type": "below_target", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-011331
0.1
0.1
{ "text": "Strong hands-on accessibility background", "skill": "accessibility", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-011331-e1", "section": "experience", "source_type": "cv", "text": "Backend engineer, Go and PostgreSQL, 7 years." } ]
{ "group_id": "frontend", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "missing_skill", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-027654
0.1
0.1
{ "text": "Expert-level encryption", "skill": "encryption", "group_id": "security", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-027654-e1", "section": "experience", "source_type": "cv", "text": "Owned the initiative where I designed envelope encryption with KMS for PII at rest, and drove encryption decisions for the team." }, { "evidence_id": "sj-v004-syn-027654-e2", "section": "summ...
{ "group_id": "security", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-006020
0.1
0.1
{ "text": "Expert-level secrets management", "skill": "secrets management", "group_id": "security", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-006020-e1", "section": "skills_list", "source_type": "cv", "text": "Stack: secrets management, Jira, Confluence, Git" }, { "evidence_id": "sj-v004-syn-006020-e2", "section": "summary", "source_type": "cv", "text": "Looking for a product company." }...
{ "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-012658
0.1
0.1
{ "text": "Proven web performance in production", "skill": "web performance", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-012658-e1", "section": "experience", "source_type": "cv", "text": "Our squad improved Core Web Vitals (LCP 4.1s to 1.6s) across the storefront; I mainly fixed bugs and wrote docs." } ]
{ "group_id": "frontend", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "team_credit", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-028593
0.1
0.1
{ "text": "Good understanding of SLO/SLI", "skill": "SLO/SLI", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-028593-e1", "section": "experience", "source_type": "cv", "text": "Assisted on tasks where the team defined SLIs for team services; picked tickets prepared by the lead." } ]
{ "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-001481
0.1
0.1
{ "text": "Good understanding of event-driven architecture", "skill": "event-driven architecture", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-001481-e1", "section": "experience", "source_type": "cv", "text": "Software engineer (2021-2024): implemented event handlers in an event-driven system." } ]
{ "group_id": "system_design", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "easy", "case_type": "direct_moderate", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v002-tr-0225
0.1
0.1
{ "text": "Hands-on C#/.NET", "skill": "C#/.NET", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v002-tr-0225-e1", "section": "experience", "source_type": "cv", "text": "Claimed: architected .NET 8 order platform across 12 services." }, { "evidence_id": "sj-v002-tr-0225-e2", "section": "interview", "source_type": "interview", "text": "Interviewer: could ...
{ "group_id": "lang_core", "evidence_label": "contradicted", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "cv_vs_interview", "source": "synthetic_v002", "split": "train", "label_status": "synthetic_needs_review" }
sj-v006-c-01403
0.1
0.1
{ "text": "Commercial gRPC experience", "skill": "gRPC", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v006-c-01403-e1", "section": "experience", "source_type": "cv", "text": "Six months of junior experience where I helped as the team implemented gRPC services with deadlines and retries." } ]
{ "group_id": "api_design", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "contrast_partial_supported", "source": "synthetic_v006", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-01771
0.1
0.1
{ "text": "Strong React skills", "skill": "React", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-01771-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Our project was SaaS for hiring which is created in React-DvaJs (Redux-saga)." } ]
{ "group_id": "frontend", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "6548e50b-f51c-5545-a4f0-e212cbe1d82d", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": "v0.2" }
sj-v004-real-06850
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-real-06850-e1", "section": "cv_excerpt", "source_type": "cv", "text": "I certificated by Microsoft as MCP (Microsoft Certified Professional) on 70-764 I work with MS SQL generally, but I have little experience on Oracle, MySQL and PostgreSQL. You can find about all my proj...
{ "group_id": "api_design", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "f82c98f1-5916-573b-91a2-00130ddd493f", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-syn-008105
0.1
0.1
{ "text": "Expert-level Kafka", "skill": "Kafka", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-008105-e1", "section": "experience", "source_type": "cv", "text": "owned the initiative where i designed a kafka event backbone processing 50m events/day with exactly-once via outbox, and drove kafka decisions for the team." } ]
{ "group_id": "system_design", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-012447
0.1
0.1
{ "text": "Proven Redis in production", "skill": "Redis", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-012447-e1", "section": "experience", "source_type": "cv", "text": "Junior engineer (10 months): helped the team when it added Redis caching with TTL invalidation, under a senior's guidance." }, { "evidence_id": "sj-v004-syn-012447-e2", "section": "summary", ...
{ "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-026031
0.1
0.1
{ "text": "Strong hands-on Rust background", "skill": "Rust", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-026031-e1", "section": "experience", "source_type": "cv", "text": "Trainee developer; shadowed seniors who wrote Rust CLI tools used by the team." } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "easy", "case_type": "below_target", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v008-cv-01288
0.1
0.1
{ "text": "Production Elasticsearch skills", "skill": "Elasticsearch", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-01288-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Delivered several projects using these technologies: Elasticsearch, PHP, JavaScript, MySQL." } ]
{ "group_id": "data_storage", "evidence_label": "partial", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "convention_v02", "source": "synthetic_v008", "split": "train", "label_status": "synthetic_convention_v0.2" }
sj-v004-syn-011568
0.1
0.1
{ "text": "Practical gRPC experience", "skill": "gRPC", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-011568-e1", "section": "experience", "source_type": "cv", "text": "Senior engineer (2019-2024): defined protobuf contracts and gRPC streaming APIs between 20 services." }, { "evidence_id": "sj-v004-syn-011568-e2", "section": "summary", "source_type": "cv...
{ "group_id": "api_design", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-028297
0.1
0.1
{ "text": "Solid OWASP secure coding knowledge", "skill": "OWASP secure coding", "group_id": "security", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-028297-e1", "section": "experience", "source_type": "cv", "text": "independently fixed owasp findings from pentests; on-call owner for it." }, { "evidence_id": "sj-v004-syn-028297-e2", "section": "summary", "source_type": "cv", "text": "b.sc. in comp...
{ "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-real-06272
0.1
0.1
{ "text": "Java experience", "skill": "Java", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-06272-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Extremely motivated to constantly develop my skills and grow professionally. I am confident in my ability to come up with interesting ideas for unforgettable content campaigns. I`ve been working as a ma...
{ "group_id": "lang_core", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "92607a88-6035-5e7b-93ab-b7fd8c392dfb", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...