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sj-v005-bl3-00166
0.1
0.1
{ "text": "Strong Rust skills", "skill": "Rust", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v005-bl3-00166-e1", "section": "experience", "source_type": "cv", "text": "Regular contributor: wrote Rust CLI tools used by the team across several releases." } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "boundary_l3", "source": "synthetic_v005", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-013527
0.1
0.1
{ "text": "Good understanding of web performance", "skill": "web performance", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-013527-e1", "section": "summary", "source_type": "cv", "text": "Advanced web performance skills; strong web performance background." } ]
{ "group_id": "frontend", "evidence_label": "partial", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "claim_no_detail", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-05124
0.1
0.1
{ "text": "Strong AWS skills", "skill": "AWS", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-05124-e1", "section": "cv_excerpt", "source_type": "cv", "text": "I love new technologies, I am curious, dynamic and eager to learn. Domain/Integration Architect since 2021, working in many projects as a developer, software designer, solution architect, data analyst, b...
{ "group_id": "cloud_devops", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "d0f9fc7c-7eec-5744-a993-4124872e4419", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-syn-025154
0.1
0.1
{ "text": "Good understanding of secrets management", "skill": "secrets management", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-025154-e1", "section": "interview", "source_type": "interview", "text": "Screening: asked about secrets management, candidate has not worked with it." }, { "evidence_id": "sj-v004-syn-025154-e2", "section": "summary", "source_type": "cv", "text": "B....
{ "group_id": "security", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "verified_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-001239
0.1
0.1
{ "text": "Experience with unit testing", "skill": "unit testing", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-001239-e1", "section": "experience", "source_type": "cv", "text": "day to day i wrote unit tests for all features on my own." }, { "evidence_id": "sj-v004-syn-001239-e2", "section": "summary", "source_type": "cv", "text": "agile/scrum teams of 5-8 pe...
{ "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-029258
0.1
0.1
{ "text": "OWASP secure coding (must have)", "skill": "OWASP secure coding", "group_id": "security", "target_level": 4, "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-real-02763
0.1
0.1
{ "text": "Proven C#/.NET in production", "skill": "C#/.NET", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-02763-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Passionate about learning new technologies, currently exploring .NET Core, C#, F#." } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "09e4aeeb-8589-5da2-8c1c-57077265be91", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-015076
0.1
0.1
{ "text": "Commercial experience with Kotlin", "skill": "Kotlin", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[]
{ "group_id": "lang_core", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "easy", "case_type": "no_evidence", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-003808
0.1
0.1
{ "text": "Production code review skills", "skill": "code review", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-003808-e1", "section": "summary", "source_type": "cv", "text": "expert in code review with 10 years of experience." }, { "evidence_id": "sj-v004-syn-003808-e2", "section": "summary", "source_type": "cv", "text": "based in europe, open to remote." }...
{ "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-024947
0.1
0.1
{ "text": "Kotlin experience", "skill": "Kotlin", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-024947-e1", "section": "skills_list", "source_type": "cv", "text": "Keywords: Agile, Kotlin, Linux, REST" } ]
{ "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-v005-bl5-01310
0.1
0.1
{ "text": "Solid Java knowledge", "skill": "Java", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v005-bl5-01310-e1", "section": "experience", "source_type": "cv", "text": "Company-wide Java authority: designed a Java/Spring settlement engine processing $2B/yr and cut GC pauses 80%; defined the Java standards all teams follow and speak at conferences." } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "5" }
{ "difficulty": "hard", "case_type": "boundary_l5", "source": "synthetic_v005", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-000135
0.1
0.1
{ "text": "Expert-level Kubernetes", "skill": "Kubernetes", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-000135-e1", "section": "experience", "source_type": "cv", "text": "the platform team designed multi-cluster kubernetes platform with autoscaling and gitops for 40 services. i joined late and handled minor tasks." }, { "evidence_id": "sj-v004-syn-000135-e2", ...
{ "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-syn-014146
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-014146-e1", "section": "interview", "source_type": "interview", "text": "Interview notes: candidate stated they never used authorization (RBAC)." } ]
{ "group_id": "security", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "verified_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-010764
0.1
0.1
{ "text": "Expert-level web performance", "skill": "web performance", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-010764-e1", "section": "experience", "source_type": "cv", "text": "Mid-level developer: optimized bundle size with code splitting; shipped to production regularly." }, { "evidence_id": "sj-v004-syn-010764-e2", "section": "summary", "source_type": "cv", ...
{ "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-030359
0.1
0.1
{ "text": "Practical monitoring experience", "skill": "monitoring", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-030359-e1", "section": "summary", "source_type": "cv", "text": "monitoring: none so far." }, { "evidence_id": "sj-v004-syn-030359-e2", "section": "summary", "source_type": "cv", "text": "b.sc. in computer science." } ]
{ "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-008611
0.1
0.1
{ "text": "mentoring experience", "skill": "mentoring", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-008611-e1", "section": "experience", "source_type": "cv", "text": "Mid-level developer: mentored an intern; 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-real-00903
0.1
0.1
{ "text": "Strong React skills", "skill": "React", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-00903-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Developed a personal account for the platform s clients with React, TS, SASS, MUI, D3 lib" } ]
{ "group_id": "frontend", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "89700759-7dc5-5127-a200-21e022fdc804", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": "v0.2" }
sj-v004-syn-007385
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-007385-e1", "section": "experience", "source_type": "cv", "text": "Our team defined SLOs and error budgets adopted by engineering leadership. My contribution: tests and documentation." }, { "evidence_id": "sj-v004-syn-007385-e2", "section": "summary", "s...
{ "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-005332
0.1
0.1
{ "text": "integration testing experience", "skill": "integration testing", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-005332-e1", "section": "experience", "source_type": "cv", "text": "Technical writer producing API documentation." } ]
{ "group_id": "testing_quality", "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-014191
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-014191-e1", "section": "experience", "source_type": "cv", "text": "Tech lead who coached teams on TDD and ran katas; team defect rate dropped 50%, and mentored the team on TDD practices." }, { "evidence_id": "sj-v004-syn-014191-e2", "section": "summary", ...
{ "group_id": "testing_quality", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-012865
0.1
0.1
{ "text": "Commercial experience with SLO/SLI", "skill": "SLO/SLI", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-012865-e1", "section": "experience", "source_type": "cv", "text": "As distinguished engineer I defined SLOs and error budgets adopted by engineering leadership; I am the go-to SLO/SLI authority company-wide and publish on SLO/SLI." } ]
{ "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-029869
0.1
0.1
{ "text": "Strong hands-on distributed consistency background", "skill": "distributed consistency", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-029869-e1", "section": "experience", "source_type": "cv", "text": "As distinguished engineer I designed idempotent, eventually consistent ledger with reconciliation; I am the go-to distributed consistency authority company-wide and publish on distributed consistency." ...
{ "group_id": "system_design", "evidence_label": "supported", "proficiency_label": "5" }
{ "difficulty": "easy", "case_type": "expert", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v008-cv-01731
0.1
0.1
{ "text": "Hands-on SLO/SLI", "skill": "SLO/SLI", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-01731-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Covered SLO/SLI fundamentals and exercises in a training program." } ]
{ "group_id": "reliability_obs", "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-003077
0.1
0.1
{ "text": "Deep Kubernetes expertise", "skill": "Kubernetes", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-003077-e1", "section": "experience", "source_type": "cv", "text": "Built and ran services using Docker Swarm; considering Kubernetes next." } ]
{ "group_id": "cloud_devops", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "adjacent_tech", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-02130
0.1
0.1
{ "text": "Strong AWS skills", "skill": "AWS", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-02130-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Worked on authorization and registration with AWS Cognito" } ]
{ "group_id": "cloud_devops", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "6d13b53c-ca01-5e03-9488-e38a93103de3", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": "v0.2" }
sj-v004-syn-025778
0.1
0.1
{ "text": "Working knowledge of event-driven architecture", "skill": "event-driven architecture", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-025778-e1", "section": "experience", "source_type": "cv", "text": "Lead engineer 2018-2023: designed saga-based event-driven checkout across 6 services." } ]
{ "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-v006-c-00488
0.1
0.1
{ "text": "Hands-on ownership", "skill": "ownership", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v006-c-00488-e1", "section": "experience", "source_type": "cv", "text": "Six months of junior experience where I helped as the team owned a service and its backlog." } ]
{ "group_id": "leadership", "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-006264
0.1
0.1
{ "text": "Strong web performance skills", "skill": "web performance", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-006264-e1", "section": "experience", "source_type": "cv", "text": "In my last role I improved Core Web Vitals (LCP 4.1s to 1.6s) across the storefront." } ]
{ "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-real-06588
0.1
0.1
{ "text": "Proven Python in production", "skill": "Python", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-06588-e1", "section": "cv_excerpt", "source_type": "cv", "text": "I’m a quick learner and achiever, strongly motivated and self-organized. My previous experience makes me both a strong team player and an efficient independent contributor. I’m also familiar with Agile M...
{ "group_id": "lang_core", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "6181aa5b-48a5-543b-9c35-9134841dcc27", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-syn-006114
0.1
0.1
{ "text": "Proven Redis in production", "skill": "Redis", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-006114-e1", "section": "experience", "source_type": "cv", "text": "4 years of production work with Memcached (not Redis)." }, { "evidence_id": "sj-v004-syn-006114-e2", "section": "summary", "source_type": "cv", "text": "B.Sc. in Computer Science." ...
{ "group_id": "data_storage", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "adjacent_tech", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-028670
0.1
0.1
{ "text": "Solid hiring knowledge", "skill": "hiring", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-028670-e1", "section": "summary", "source_type": "cv", "text": "I have no experience with hiring 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-v006-c-00308
0.1
0.1
{ "text": "Commercial GCP experience", "skill": "GCP", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v006-c-00308-e1", "section": "experience", "source_type": "cv", "text": "Six months of junior experience where I helped as the team ran services on Cloud Run and Cloud SQL." } ]
{ "group_id": "cloud_devops", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "contrast_partial_supported", "source": "synthetic_v006", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-026720
0.1
0.1
{ "text": "Rust experience", "skill": "Rust", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-026720-e1", "section": "experience", "source_type": "cv", "text": "was part of a team that implemented a rust log shipper replacing logstash, 10x lower cpu; i worked on smaller tickets around it." } ]
{ "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-007624
0.1
0.1
{ "text": "Proven SLO/SLI in production", "skill": "SLO/SLI", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-007624-e1", "section": "experience", "source_type": "cv", "text": "trainee developer; shadowed seniors who defined slis for team services." }, { "evidence_id": "sj-v004-syn-007624-e2", "section": "summary", "source_type": "cv", "text": "fluent englis...
{ "group_id": "reliability_obs", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "easy", "case_type": "below_target", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-00176
0.1
0.1
{ "text": "Java experience", "skill": "Java", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-00176-e1", "section": "cv_excerpt", "source_type": "cv", "text": "For most of my career, I've worked on high-profile PoC/MVP apps and complex high-effort projects in Java for Android." } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "0777a412-0f9a-5106-87b1-5a68ad330cec", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-002372
0.1
0.1
{ "text": "Deep PostgreSQL expertise", "skill": "PostgreSQL", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-002372-e1", "section": "experience", "source_type": "cv", "text": "4 years of production work with MySQL (not PostgreSQL)." }, { "evidence_id": "sj-v004-syn-002372-e2", "section": "summary", "source_type": "cv", "text": "Agile/Scrum teams of 5-8 peop...
{ "group_id": "data_storage", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "adjacent_tech", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-018294
0.1
0.1
{ "text": "Strong hands-on Terraform background", "skill": "Terraform", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-018294-e1", "section": "experience", "source_type": "cv", "text": "backend engineer building java services deployed by a separate ops team to vms." } ]
{ "group_id": "cloud_devops", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "missing_skill", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-000822
0.1
0.1
{ "text": "Production OAuth2/OIDC skills", "skill": "OAuth2/OIDC", "group_id": "security", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-000822-e1", "section": "experience", "source_type": "cv", "text": "owned the initiative where i designed sso with oidc and token exchange across 10 products, and drove oauth2/oidc decisions for the team." } ]
{ "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-029913
0.1
0.1
{ "text": "Commercial experience with integration testing", "skill": "integration testing", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-029913-e1", "section": "experience", "source_type": "cv", "text": "In my last role I built Testcontainers-based integration test framework adopted by 10 teams." } ]
{ "group_id": "testing_quality", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-007346
0.1
0.1
{ "text": "Commercial experience with incident response", "skill": "incident response", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-007346-e1", "section": "experience", "source_type": "cv", "text": "In my last role I led incident command for SEV1 outages and created the postmortem process." }, { "evidence_id": "sj-v004-syn-007346-e2", "section": "summary", "source_type": "cv", "t...
{ "group_id": "reliability_obs", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-009208
0.1
0.1
{ "text": "Hands-on unit testing", "skill": "unit testing", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-009208-e1", "section": "experience", "source_type": "cv", "text": "Did a unit testing tutorial and a hello-world app on GitHub." }, { "evidence_id": "sj-v004-syn-009208-e2", "section": "summary", "source_type": "cv", "text": "Based in Europe, open to...
{ "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-021358
0.1
0.1
{ "text": "Solid Kafka knowledge", "skill": "Kafka", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-021358-e1", "section": "experience", "source_type": "cv", "text": "Intern then junior: with help from the lead, I contributed while the team built Kafka producers and consumers with retries." }, { "evidence_id": "sj-v004-syn-021358-e2", "section": "summary",...
{ "group_id": "system_design", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "easy", "case_type": "below_target", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-025735
0.1
0.1
{ "text": "Hands-on incident response", "skill": "incident response", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-025735-e1", "section": "experience", "source_type": "cv", "text": "Resume claims they led incident command for SEV1 outages and created the postmortem process." }, { "evidence_id": "sj-v004-syn-025735-e2", "section": "interview", "source_type": "intervie...
{ "group_id": "reliability_obs", "evidence_label": "contradicted", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "cv_vs_interview", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-004059
0.1
0.1
{ "text": "TDD experience", "skill": "TDD", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-004059-e1", "section": "experience", "source_type": "cv", "text": "Technical writer producing API documentation." } ]
{ "group_id": "testing_quality", "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-030780
0.1
0.1
{ "text": "encryption (must have)", "skill": "encryption", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-030780-e1", "section": "experience", "source_type": "cv", "text": "Senior backend developer; key achievement: designed envelope encryption with KMS for PII at rest." }, { "evidence_id": "sj-v004-syn-030780-e2", "section": "summary", "source_type": "cv", ...
{ "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-v005-bl3-00384
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-bl3-00384-e1", "section": "experience", "source_type": "cv", "text": "Regular contributor: maintained GitHub Actions pipelines across several releases." } ]
{ "group_id": "cloud_devops", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "boundary_l3", "source": "synthetic_v005", "split": "train", "label_status": "synthetic_needs_review" }
sj-v005-bl5-01447
0.1
0.1
{ "text": "Solid OpenAPI knowledge", "skill": "OpenAPI", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v005-bl5-01447-e1", "section": "experience", "source_type": "cv", "text": "Principal engineer, recognized expert: introduced contract-first OpenAPI workflow with generated SDKs; core maintainer of a popular OpenAPI project." } ]
{ "group_id": "api_design", "evidence_label": "supported", "proficiency_label": "5" }
{ "difficulty": "hard", "case_type": "boundary_l5", "source": "synthetic_v005", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-027889
0.1
0.1
{ "text": "Production SLO/SLI skills", "skill": "SLO/SLI", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-027889-e1", "section": "experience", "source_type": "cv", "text": "Experience: Product designer running user research." } ]
{ "group_id": "reliability_obs", "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-024079
0.1
0.1
{ "text": "Commercial experience with cross-team leadership", "skill": "cross-team leadership", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-024079-e1", "section": "experience", "source_type": "cv", "text": "assisted on tasks where the team coordinated with one partner team on integration; picked tickets prepared by the lead." }, { "evidence_id": "sj-v004-syn-024079-e2", "section": "summary", ...
{ "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-021145
0.1
0.1
{ "text": "Strong Go skills", "skill": "Go", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-021145-e1", "section": "experience", "source_type": "cv", "text": "Senior iOS engineer (Swift) shipping consumer apps for 6 years." } ]
{ "group_id": "lang_core", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "missing_skill", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-06261
0.1
0.1
{ "text": "Proven MySQL in production", "skill": "MySQL", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-06261-e1", "section": "cv_excerpt", "source_type": "cv", "text": "degree in theoretical physics (Supergravity/String Theory/Quantum Field Theory) in Germany; Successfully applied my personal and analytic skills to adapt to a new working environment and to accomplish al...
{ "group_id": "data_storage", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "07c569f0-f5e9-5fe1-8ea9-5172c5ebe09d", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v008-cv-00006
0.1
0.1
{ "text": "Hands-on MySQL", "skill": "MySQL", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-00006-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Improved MySQL performance by 30% for one critical report." } ]
{ "group_id": "data_storage", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "convention_v02", "source": "synthetic_v008", "split": "train", "label_status": "synthetic_convention_v0.2" }
sj-v004-real-02602
0.1
0.1
{ "text": "Strong React skills", "skill": "React", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-02602-e1", "section": "cv_excerpt", "source_type": "cv", "text": "After learning React, I successfully passed the tests and worked with other frameworks, learning them along the way." } ]
{ "group_id": "frontend", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "f3299b6a-15fc-5321-9a98-17ec64f9d819", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v008-cv-01767
0.1
0.1
{ "text": "Commercial TDD experience", "skill": "TDD", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-01767-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Ran a TDD study group for university students for a semester." } ]
{ "group_id": "testing_quality", "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-003580
0.1
0.1
{ "text": "Solid Rust knowledge", "skill": "Rust", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-003580-e1", "section": "experience", "source_type": "cv", "text": "Experience: Senior iOS engineer (Swift) shipping consumer apps for 6 years." } ]
{ "group_id": "lang_core", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "missing_skill", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v005-bl4-00936
0.1
0.1
{ "text": "Strong state management skills", "skill": "state management", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v005-bl4-00936-e1", "section": "experience", "source_type": "cv", "text": "Owned architecture and delivery: designed client state architecture with Redux Toolkit and React Query." } ]
{ "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-012344
0.1
0.1
{ "text": "Strong Kafka skills", "skill": "Kafka", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-012344-e1", "section": "summary", "source_type": "cv", "text": "I have not used Kafka professionally or in projects; my experience is in other areas." } ]
{ "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-real-06168
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-06168-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Product lead developer at 18, golden medal at European Olympiad in Informatics I'm looking for a job with a perspective of personal growth, professional team and technical challenges" } ]
{ "group_id": "cloud_devops", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "cd48fa13-8018-5e6f-8ad9-1364318175d5", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-syn-029259
0.1
0.1
{ "text": "Experience with caching strategy", "skill": "caching strategy", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-029259-e1", "section": "experience", "source_type": "cv", "text": "senior engineer (2019-2024): designed multi-layer caching (cdn, redis, local) cutting db load 70%." }, { "evidence_id": "sj-v004-syn-029259-e2", "section": "summary", "source_type": "cv",...
{ "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-v008-cv-00692
0.1
0.1
{ "text": "Production distributed tracing skills", "skill": "distributed tracing", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-00692-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Open to learning distributed tracing if the project needs it." } ]
{ "group_id": "reliability_obs", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "convention_v02", "source": "synthetic_v008", "split": "train", "label_status": "synthetic_convention_v0.2" }
sj-v004-syn-026679
0.1
0.1
{ "text": "Practical Docker experience", "skill": "Docker", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-026679-e1", "section": "skills_list", "source_type": "cv", "text": "Skills: Docker, Git, Jira, Agile, Linux" }, { "evidence_id": "sj-v004-syn-026679-e2", "section": "summary", "source_type": "cv", "text": "Fluent English." } ]
{ "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-02083
0.1
0.1
{ "text": "Strong Python skills", "skill": "Python", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-02083-e1", "section": "cv_excerpt", "source_type": "cv", "text": "During my time in Sweden, I built a user segmentation ETL using Python, SQL, PySpark and Hive to cluster video game players using an unsupervised ML model - it was a combination of KMeans and AGNES." }...
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "4088a3db-4a3c-5e74-822d-72b0de719095", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": "v0.2" }
sj-v006-c-00987
0.1
0.1
{ "text": "Hands-on ownership", "skill": "ownership", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v006-c-00987-e1", "section": "experience", "source_type": "cv", "text": "Tried ownership in a weekend pet project to learn the basics." } ]
{ "group_id": "leadership", "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-005002
0.1
0.1
{ "text": "Proven unit testing in production", "skill": "unit testing", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-005002-e1", "section": "experience", "source_type": "cv", "text": "Lead engineer 2018-2023: set testing standards and raised coverage from 30% to 85% across the org." }, { "evidence_id": "sj-v004-syn-005002-e2", "section": "summary", "source_type": "cv",...
{ "group_id": "testing_quality", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-024970
0.1
0.1
{ "text": "REST API design experience", "skill": "REST API design", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-024970-e1", "section": "skills_list", "source_type": "cv", "text": "Technologies: Docker, REST API design, Scrum, SQL" }, { "evidence_id": "sj-v004-syn-024970-e2", "section": "summary", "source_type": "cv", "text": "Fluent English." } ]
{ "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-006200
0.1
0.1
{ "text": "Strong hands-on SLO/SLI background", "skill": "SLO/SLI", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-006200-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-021527
0.1
0.1
{ "text": "Solid hiring knowledge", "skill": "hiring", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-021527-e1", "section": "experience", "source_type": "cv", "text": "Day to day I conducted technical interviews on my own." }, { "evidence_id": "sj-v004-syn-021527-e2", "section": "summary", "source_type": "cv", "text": "Based in Europe, open to remot...
{ "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-027107
0.1
0.1
{ "text": "Working knowledge of authorization (RBAC)", "skill": "authorization (RBAC)", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-027107-e1", "section": "interview", "source_type": "interview", "text": "Screening: asked about authorization (RBAC), candidate has not worked with it." } ]
{ "group_id": "security", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "verified_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-03432
0.1
0.1
{ "text": "Strong Java skills", "skill": "Java", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-03432-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Have experience in UI and API automation, worked with C# and Java languages, was responsible for tests case creation and automation." } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "684680ef-3a33-5008-829d-b53dbeb643f9", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v008-cv-02140
0.1
0.1
{ "text": "Hands-on GraphQL", "skill": "GraphQL", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-02140-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Worked on a mobile game project in 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-019716
0.1
0.1
{ "text": "Practical unit testing experience", "skill": "unit testing", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-019716-e1", "section": "experience", "source_type": "cv", "text": "senior backend developer; key achievement: set testing standards and raised coverage from 30% to 85% across the org." } ]
{ "group_id": "testing_quality", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-001328
0.1
0.1
{ "text": "Python (must have)", "skill": "Python", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[]
{ "group_id": "lang_core", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "easy", "case_type": "no_evidence", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-022492
0.1
0.1
{ "text": "Commercial experience with Rust", "skill": "Rust", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-022492-e1", "section": "experience", "source_type": "cv", "text": "Assisted on tasks where the team wrote Rust CLI tools used by the team; picked tickets prepared by the lead." }, { "evidence_id": "sj-v004-syn-022492-e2", "section": "summary", "source_ty...
{ "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-v004-real-00348
0.1
0.1
{ "text": "Strong Python skills", "skill": "Python", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-00348-e1", "section": "cv_excerpt", "source_type": "cv", "text": "I have successfully worked with Excel, extensively studied SQL, created visualizations and analytics using tools such as Looker Studio and Tableau, and efficiently utilized Python libraries." } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "263cc031-adfb-57c8-8940-e3e3462d02c8", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": "v0.2" }
sj-v004-syn-030654
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-030654-e1", "section": "experience", "source_type": "cv", "text": "Core contributor to the REST API design ecosystem; designed a versioned public REST API (OpenAPI) for 40+ partners with idempotency keys." }, { "evidence_id": "sj-v004-syn-030654-e2", "sectio...
{ "group_id": "api_design", "evidence_label": "supported", "proficiency_label": "5" }
{ "difficulty": "easy", "case_type": "expert", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-030589
0.1
0.1
{ "text": "Good understanding of secrets management", "skill": "secrets management", "group_id": "security", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-030589-e1", "section": "experience", "source_type": "cv", "text": "Core contributor to the secrets management ecosystem; migrated all secrets to Vault with dynamic credentials." }, { "evidence_id": "sj-v004-syn-030589-e2", "section": "summary", "source_t...
{ "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-026940
0.1
0.1
{ "text": "Production Node.js skills", "skill": "Node.js", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-026940-e1", "section": "summary", "source_type": "cv", "text": "Expert in Node.js with 10 years of experience." } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "claim_no_detail", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-010683
0.1
0.1
{ "text": "Expert-level TypeScript (frontend)", "skill": "TypeScript (frontend)", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-010683-e1", "section": "experience", "source_type": "cv", "text": "Backend engineer, 3 years: wrote typed React components." } ]
{ "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-022290
0.1
0.1
{ "text": "Strong incident response skills", "skill": "incident response", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-022290-e1", "section": "skills_list", "source_type": "cv", "text": "Skills: incident response, Git, Jira, Agile, Linux" } ]
{ "group_id": "reliability_obs", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-021083
0.1
0.1
{ "text": "Expert-level event-driven architecture", "skill": "event-driven architecture", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-021083-e1", "section": "experience", "source_type": "cv", "text": "Contributed peripheral tickets to a project where the team designed saga-based event-driven checkout across 6 services." }, { "evidence_id": "sj-v004-syn-021083-e2", "section": "summary", ...
{ "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-030242
0.1
0.1
{ "text": "Experience with mentoring", "skill": "mentoring", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-030242-e1", "section": "experience", "source_type": "cv", "text": "Resume claims they mentored 6 engineers, 3 promoted, and ran the onboarding program." }, { "evidence_id": "sj-v004-syn-030242-e2", "section": "interview", "source_type": "interview", ...
{ "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-02452
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-02452-e1", "section": "cv_excerpt", "source_type": "cv", "text": "QA engineer with 3 years of experience ( Java + Selenium + TestNG);" } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_years_hands_on", "source": "djinni_cv_en", "source_record": "ffdf5ffd-d922-5064-9000-debd8ab5fc7f", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": "v...
sj-v004-syn-016725
0.1
0.1
{ "text": "MySQL (must have)", "skill": "MySQL", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-016725-e1", "section": "summary", "source_type": "cv", "text": "I have no experience with MySQL at all." }, { "evidence_id": "sj-v004-syn-016725-e2", "section": "summary", "source_type": "cv", "text": "Based in Europe, open to remote." } ]
{ "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-v002-tr-0060
0.1
0.1
{ "text": "Proven gRPC in production", "skill": "gRPC", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v002-tr-0060-e1", "section": "projects", "source_type": "portfolio", "text": "Case study: defined protobuf contracts and gRPC streaming APIs between 20 services. Includes architecture diagrams and benchmark results." } ]
{ "group_id": "api_design", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v002", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-001956
0.1
0.1
{ "text": "Practical encryption experience", "skill": "encryption", "group_id": "security", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-001956-e1", "section": "experience", "source_type": "cv", "text": "Software engineer (2021-2024): enabled TLS and field encryption for user data." }, { "evidence_id": "sj-v004-syn-001956-e2", "section": "summary", "source_type": "cv", "text": "Fluent...
{ "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-02887
0.1
0.1
{ "text": "Proven Python in production", "skill": "Python", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-02887-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Some basic knowledge of Python." } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "bb29d07c-4d21-5ece-be01-56b932c65534", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-003503
0.1
0.1
{ "text": "Commercial experience with Redis", "skill": "Redis", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-003503-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-003334
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-003334-e1", "section": "experience", "source_type": "cv", "text": "CV: migrated all secrets to Vault with dynamic credentials." }, { "evidence_id": "sj-v004-syn-003334-e2", "section": "interview", "source_type": "interview", "text": "Interview: candi...
{ "group_id": "security", "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-030988
0.1
0.1
{ "text": "Deep gRPC expertise", "skill": "gRPC", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-030988-e1", "section": "experience", "source_type": "cv", "text": "The platform team defined protobuf contracts and gRPC streaming APIs between 20 services. I joined late and handled minor tasks." }, { "evidence_id": "sj-v004-syn-030988-e2", "section": "summ...
{ "group_id": "api_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-bl3-00557
0.1
0.1
{ "text": "Strong web performance skills", "skill": "web performance", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v005-bl3-00557-e1", "section": "experience", "source_type": "cv", "text": "Worked independently: optimized bundle size with code splitting, owning it in production." } ]
{ "group_id": "frontend", "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-018747
0.1
0.1
{ "text": "Proven database migrations in production", "skill": "database migrations", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-018747-e1", "section": "experience", "source_type": "cv", "text": "Owned the initiative where I led zero-downtime migration of 200 tables to a new schema, and drove database migrations decisions for the team." }, { "evidence_id": "sj-v004-syn-018747-e2", "se...
{ "group_id": "data_storage", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-028305
0.1
0.1
{ "text": "Commercial experience with integration testing", "skill": "integration testing", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-028305-e1", "section": "summary", "source_type": "cv", "text": "no hands-on integration testing experience yet; planning to learn it." }, { "evidence_id": "sj-v004-syn-028305-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-v006-c-01824
0.1
0.1
{ "text": "Commercial Node.js experience", "skill": "Node.js", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v006-c-01824-e1", "section": "experience", "source_type": "cv", "text": "Freelance: delivered several client projects where I 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-017328
0.1
0.1
{ "text": "Production unit testing skills", "skill": "unit testing", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-017328-e1", "section": "summary", "source_type": "cv", "text": "unit testing: none so far." }, { "evidence_id": "sj-v004-syn-017328-e2", "section": "summary", "source_type": "cv", "text": "Looking for a product company." } ]
{ "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-v005-bl4-00975
0.1
0.1
{ "text": "Hands-on authorization (RBAC)", "skill": "authorization (RBAC)", "group_id": "security", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v005-bl4-00975-e1", "section": "experience", "source_type": "cv", "text": "Senior engineer and design owner: designed fine-grained RBAC/ABAC service used by all products." } ]
{ "group_id": "security", "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-019783
0.1
0.1
{ "text": "Practical MySQL experience", "skill": "MySQL", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-019783-e1", "section": "experience", "source_type": "cv", "text": "Under supervision I worked on small parts while the team designed MySQL schemas for new features." } ]
{ "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-012474
0.1
0.1
{ "text": "Strong C#/.NET skills", "skill": "C#/.NET", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-012474-e1", "section": "summary", "source_type": "cv", "text": "Haven't worked with C#/.NET; my background is elsewhere." } ]
{ "group_id": "lang_core", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "explicit_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-00063
0.1
0.1
{ "text": "GraphQL experience", "skill": "GraphQL", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-00063-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Creating an online store, in which I worked on GraphQl queries, working with the design, connecting the logic of google maps and assortment depending on the region, also used styled-components technology...
{ "group_id": "api_design", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "ad83eb0e-58a8-5426-b254-54c4d144cb5e", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-025420
0.1
0.1
{ "text": "scalable system design (must have)", "skill": "scalable system design", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-025420-e1", "section": "experience", "source_type": "cv", "text": "Software engineer (2021-2024): designed a single service including data model and failure modes." } ]
{ "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-real-03804
0.1
0.1
{ "text": "Strong React skills", "skill": "React", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-03804-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Also, I am not sitting idly by and actively studying Next.js and writing tests for React applications using Jest, because learning new things is always a plus)" } ]
{ "group_id": "frontend", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "a89cf8b9-1bd8-5ccb-a6e5-ff4dd7e01e0e", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }