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sj-v004-syn-005875
0.1
0.1
{ "text": "Practical code review experience", "skill": "code review", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-005875-e1", "section": "experience", "source_type": "cv", "text": "Resume claims they created code review guidelines and reviewed ~20 PRs/week as tech lead." }, { "evidence_id": "sj-v004-syn-005875-e2", "section": "interview", "source_type": "interview",...
{ "group_id": "testing_quality", "evidence_label": "contradicted", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "cv_vs_interview", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-01710
0.1
0.1
{ "text": "Strong Python skills", "skill": "Python", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-01710-e1", "section": "cv_excerpt", "source_type": "cv", "text": "My language of choice is Python, of course ." } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "8943ed78-cac0-51c8-ae3b-6427a4c4d10f", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-015581
0.1
0.1
{ "text": "Solid hiring knowledge", "skill": "hiring", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-015581-e1", "section": "experience", "source_type": "cv", "text": "Assisted on tasks where the team conducted technical interviews; picked tickets prepared by the lead." }, { "evidence_id": "sj-v004-syn-015581-e2", "section": "summary", "source_type": "c...
{ "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-015089
0.1
0.1
{ "text": "Good understanding of database migrations", "skill": "database migrations", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-015089-e1", "section": "experience", "source_type": "cv", "text": "As distinguished engineer I led zero-downtime migration of 200 tables to a new schema; I am the go-to database migrations authority company-wide and publish on database migrations." }, { "evidenc...
{ "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-real-05878
0.1
0.1
{ "text": "Strong mentoring skills", "skill": "mentoring", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-05878-e1", "section": "cv_excerpt", "source_type": "cv", "text": "I am a front-end developer with experience in creating websites. In recent years, I have been actively working with HTML, CSS and JavaScript, as well as React.js. I feel especially good when I see that t...
{ "group_id": "leadership", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "38fee8a1-4266-5d9a-b339-ff757c02a256", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-syn-016767
0.1
0.1
{ "text": "Hands-on Kafka", "skill": "Kafka", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-016767-e1", "section": "experience", "source_type": "cv", "text": "Lead engineer 2018-2023: designed a Kafka event backbone processing 50M events/day with exactly-once via outbox." } ]
{ "group_id": "system_design", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-00531
0.1
0.1
{ "text": "Strong Python skills", "skill": "Python", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-00531-e1", "section": "cv_excerpt", "source_type": "cv", "text": "I am actively studying Data Science, finished the courses: Training on labeled data, Exploration of structure in the data, Introduction to Data Science and Machine Learning, Fundamentals of programming (...
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "c91c7ea8-7221-513c-be64-9304ecc8eeca", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-029126
0.1
0.1
{ "text": "Deep GraphQL expertise", "skill": "GraphQL", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-029126-e1", "section": "experience", "source_type": "cv", "text": "Claimed: designed a federated GraphQL schema with dataloader batching for 8 teams." }, { "evidence_id": "sj-v004-syn-029126-e2", "section": "interview", "source_type": "interview", "t...
{ "group_id": "api_design", "evidence_label": "contradicted", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "cv_vs_interview", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-020333
0.1
0.1
{ "text": "Good understanding of Terraform", "skill": "Terraform", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-020333-e1", "section": "experience", "source_type": "cv", "text": "Mid-level developer: wrote Terraform for team infrastructure; shipped to production regularly." } ]
{ "group_id": "cloud_devops", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "easy", "case_type": "direct_moderate", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-011927
0.1
0.1
{ "text": "Deep PostgreSQL expertise", "skill": "PostgreSQL", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-011927-e1", "section": "projects", "source_type": "portfolio", "text": "Case study: partitioned a 3TB PostgreSQL table and tuned indexes cutting queries from 40s to 1s. Includes architecture diagrams and benchmark results." } ]
{ "group_id": "data_storage", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-03730
0.1
0.1
{ "text": "GraphQL experience", "skill": "GraphQL", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-03730-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Was proactive and created a performance (self-studied basics of Gatling and Scala) and GraphQL automated projects." } ]
{ "group_id": "api_design", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "5648a67e-f5b9-535b-b359-c0cc69a410ba", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": "v0.2" }
sj-v004-syn-028135
0.1
0.1
{ "text": "Strong hands-on integration testing background", "skill": "integration testing", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-028135-e1", "section": "experience", "source_type": "cv", "text": "Did a integration testing tutorial and a hello-world app on GitHub." } ]
{ "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-005011
0.1
0.1
{ "text": "Deep hiring expertise", "skill": "hiring", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-005011-e1", "section": "projects", "source_type": "portfolio", "text": "case study: designed the backend interview loop and conducted 150+ interviews. includes architecture diagrams and benchmark results." } ]
{ "group_id": "leadership", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-011867
0.1
0.1
{ "text": "Good understanding of Redis", "skill": "Redis", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-011867-e1", "section": "experience", "source_type": "cv", "text": "In my last role I designed Redis cluster caching and rate limiting serving 100k ops/s." }, { "evidence_id": "sj-v004-syn-011867-e2", "section": "summary", "source_type": "cv", "text":...
{ "group_id": "data_storage", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-02847
0.1
0.1
{ "text": "Python experience", "skill": "Python", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-02847-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Technologies: C, C++, Networking, Python, Bash, Docker, k8s, STM32." } ]
{ "group_id": "lang_core", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_keyword_list", "source": "djinni_cv_en", "source_record": "a2e12062-77ba-5fb1-8fd1-d62ae1afdd3b", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2"...
sj-v005-bl3-00431
0.1
0.1
{ "text": "Solid API versioning knowledge", "skill": "API versioning", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v005-bl3-00431-e1", "section": "experience", "source_type": "cv", "text": "Worked independently: shipped v2 of an internal API with backward compatibility, owning it in production." } ]
{ "group_id": "api_design", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "boundary_l3", "source": "synthetic_v005", "split": "train", "label_status": "synthetic_needs_review" }
sj-v006-c-01859
0.1
0.1
{ "text": "Production web performance skills", "skill": "web performance", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v006-c-01859-e1", "section": "experience", "source_type": "cv", "text": "Used web performance on a small internal tool with help from a senior colleague." } ]
{ "group_id": "frontend", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "contrast_partial_supported", "source": "synthetic_v006", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-014247
0.1
0.1
{ "text": "Experience with Rust", "skill": "Rust", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-014247-e1", "section": "projects", "source_type": "portfolio", "text": "Personal project: followed a tutorial to try Rust on a toy app." } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "easy", "case_type": "toy_project", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-023178
0.1
0.1
{ "text": "Practical Elasticsearch experience", "skill": "Elasticsearch", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-023178-e1", "section": "experience", "source_type": "cv", "text": "Trainee developer; shadowed seniors who built search features on Elasticsearch." }, { "evidence_id": "sj-v004-syn-023178-e2", "section": "summary", "source_type": "cv", "text": "Fluen...
{ "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-v005-bl5-01350
0.1
0.1
{ "text": "Production Node.js skills", "skill": "Node.js", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v005-bl5-01350-e1", "section": "experience", "source_type": "cv", "text": "Principal engineer, recognized expert: led the Node.js/TypeScript gateway rewrite reducing p99 from 900ms to 120ms; core maintainer of a popular Node.js project." } ]
{ "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-007028
0.1
0.1
{ "text": "Good understanding of AWS", "skill": "AWS", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-007028-e1", "section": "experience", "source_type": "cv", "text": "Tech lead who designed AWS multi-account landing zone (EKS, RDS, IAM) for the company, and mentored the team on AWS practices." }, { "evidence_id": "sj-v004-syn-007028-e2", "section": "summar...
{ "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-023177
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-023177-e1", "section": "skills_list", "source_type": "cv", "text": "Skills: web performance, Git, Jira, Agile, Linux" }, { "evidence_id": "sj-v004-syn-023177-e2", "section": "summary", "source_type": "cv", "text": "Agile/Scrum teams of 5-8 people." ...
{ "group_id": "frontend", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-022934
0.1
0.1
{ "text": "Proven Elasticsearch in production", "skill": "Elasticsearch", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-022934-e1", "section": "interview", "source_type": "interview", "text": "candidate confirmed they have never worked with elasticsearch." } ]
{ "group_id": "data_storage", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "verified_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-029106
0.1
0.1
{ "text": "Practical database migrations experience", "skill": "database migrations", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-029106-e1", "section": "projects", "source_type": "portfolio", "text": "Case study: led zero-downtime migration of 200 tables to a new schema. Includes architecture diagrams and benchmark results." } ]
{ "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-027387
0.1
0.1
{ "text": "event-driven architecture experience", "skill": "event-driven architecture", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-027387-e1", "section": "experience", "source_type": "cv", "text": "Backend engineer, 3 years: implemented event handlers in an event-driven system." }, { "evidence_id": "sj-v004-syn-027387-e2", "section": "summary", "source_type": "cv", "text": "Also...
{ "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-007879
0.1
0.1
{ "text": "Strong MongoDB skills", "skill": "MongoDB", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-007879-e1", "section": "projects", "source_type": "portfolio", "text": "case study: modeled sharded mongodb collections for 2b documents. includes architecture diagrams and benchmark results." } ]
{ "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-v006-c-01851
0.1
0.1
{ "text": "Hands-on mentoring", "skill": "mentoring", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v006-c-01851-e1", "section": "experience", "source_type": "cv", "text": "Built and operated mentoring components in production for 2+ years: mentored an intern." } ]
{ "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-v004-syn-006301
0.1
0.1
{ "text": "AWS (must have)", "skill": "AWS", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-006301-e1", "section": "experience", "source_type": "cv", "text": "Core contributor to the AWS ecosystem; designed AWS multi-account landing zone (EKS, RDS, IAM) for the company." }, { "evidence_id": "sj-v004-syn-006301-e2", "section": "summary", "source...
{ "group_id": "cloud_devops", "evidence_label": "supported", "proficiency_label": "5" }
{ "difficulty": "easy", "case_type": "expert", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-011928
0.1
0.1
{ "text": "Commercial experience with accessibility", "skill": "accessibility", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-011928-e1", "section": "experience", "source_type": "cv", "text": "Software engineer (2021-2024): fixed accessibility issues reported by QA." }, { "evidence_id": "sj-v004-syn-011928-e2", "section": "summary", "source_type": "cv", "text": "Also worked...
{ "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-015075
0.1
0.1
{ "text": "Hands-on OWASP secure coding", "skill": "OWASP secure coding", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-015075-e1", "section": "experience", "source_type": "cv", "text": "tech lead who ran secure coding program and threat modeling for all new services, and mentored the team on owasp secure coding practices." } ]
{ "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-016889
0.1
0.1
{ "text": "Solid GraphQL knowledge", "skill": "GraphQL", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-016889-e1", "section": "experience", "source_type": "cv", "text": "3 years: built production systems with REST, a close alternative to GraphQL." } ]
{ "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-v006-c-00855
0.1
0.1
{ "text": "Production MongoDB skills", "skill": "MongoDB", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v006-c-00855-e1", "section": "experience", "source_type": "cv", "text": "Built a small MongoDB demo app following an online tutorial." } ]
{ "group_id": "data_storage", "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-004758
0.1
0.1
{ "text": "Experience with SLO/SLI", "skill": "SLO/SLI", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-004758-e1", "section": "summary", "source_type": "cv", "text": "Passionate engineer who loves clean code and best practices." } ]
{ "group_id": "reliability_obs", "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-021059
0.1
0.1
{ "text": "Solid authorization (RBAC) knowledge", "skill": "authorization (RBAC)", "group_id": "security", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-021059-e1", "section": "experience", "source_type": "cv", "text": "Owned the initiative where I designed fine-grained RBAC/ABAC service used by all products, and drove authorization (RBAC) 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-023219
0.1
0.1
{ "text": "Expert-level caching strategy", "skill": "caching strategy", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-023219-e1", "section": "experience", "source_type": "cv", "text": "resume claims they designed multi-layer caching (cdn, redis, local) cutting db load 70%." }, { "evidence_id": "sj-v004-syn-023219-e2", "section": "interview", "source_type": "interview", ...
{ "group_id": "system_design", "evidence_label": "contradicted", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "cv_vs_interview", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-028939
0.1
0.1
{ "text": "integration testing (must have)", "skill": "integration testing", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-028939-e1", "section": "experience", "source_type": "cv", "text": "Senior backend developer; key achievement: 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-v008-cv-02108
0.1
0.1
{ "text": "Strong Node.js skills", "skill": "Node.js", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-02108-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Contributed to an e-commerce project (Node.js)." } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "convention_v02", "source": "synthetic_v008", "split": "train", "label_status": "synthetic_convention_v0.2" }
sj-v002-tr-0061
0.1
0.1
{ "text": "Proven secrets management in production", "skill": "secrets management", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v002-tr-0061-e1", "section": "experience", "source_type": "cv", "text": "Principal engineer: migrated all secrets to Vault with dynamic credentials; recognized as secrets management authority and gave conference talks on it." } ]
{ "group_id": "security", "evidence_label": "supported", "proficiency_label": "5" }
{ "difficulty": "easy", "case_type": "expert", "source": "synthetic_v002", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-001175
0.1
0.1
{ "text": "PostgreSQL (must have)", "skill": "PostgreSQL", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-001175-e1", "section": "experience", "source_type": "cv", "text": "Senior engineer (2019-2024): partitioned a 3TB PostgreSQL table and tuned indexes cutting queries from 40s to 1s." }, { "evidence_id": "sj-v004-syn-001175-e2", "section": "summary", "sour...
{ "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-008657
0.1
0.1
{ "text": "Proven mentoring in production", "skill": "mentoring", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-008657-e1", "section": "experience", "source_type": "cv", "text": "Independently mentored an intern; on-call owner for it." } ]
{ "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-020510
0.1
0.1
{ "text": "Practical ownership experience", "skill": "ownership", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-020510-e1", "section": "skills_list", "source_type": "cv", "text": "Technologies: Docker, ownership, Scrum, SQL" } ]
{ "group_id": "leadership", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-011419
0.1
0.1
{ "text": "Strong hands-on state management background", "skill": "state management", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-011419-e1", "section": "summary", "source_type": "cv", "text": "Expert in state management with 10 years of experience." } ]
{ "group_id": "frontend", "evidence_label": "partial", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "claim_no_detail", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-003960
0.1
0.1
{ "text": "Proven cross-team leadership in production", "skill": "cross-team leadership", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-003960-e1", "section": "experience", "source_type": "cv", "text": "Independently coordinated with one partner team on integration; on-call owner for it." } ]
{ "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-011421
0.1
0.1
{ "text": "Strong GCP skills", "skill": "GCP", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-011421-e1", "section": "skills_list", "source_type": "cv", "text": "Tools: Git, GCP, Docker, Postman, Jira" }, { "evidence_id": "sj-v004-syn-011421-e2", "section": "summary", "source_type": "cv", "text": "Looking for a product company." } ]
{ "group_id": "cloud_devops", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-023894
0.1
0.1
{ "text": "TDD (must have)", "skill": "TDD", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-023894-e1", "section": "experience", "source_type": "cv", "text": "Trainee developer; shadowed seniors who practiced TDD on daily features." } ]
{ "group_id": "testing_quality", "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-001051
0.1
0.1
{ "text": "Deep encryption expertise", "skill": "encryption", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-001051-e1", "section": "experience", "source_type": "cv", "text": "Lead engineer 2018-2023: designed envelope encryption with KMS for PII at rest." }, { "evidence_id": "sj-v004-syn-001051-e2", "section": "summary", "source_type": "cv", "text": "Also ...
{ "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-v008-cv-00977
0.1
0.1
{ "text": "Commercial TDD experience", "skill": "TDD", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-00977-e1", "section": "cv_excerpt", "source_type": "cv", "text": "As a junior I assisted teammates who practiced TDD on daily features." } ]
{ "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-021152
0.1
0.1
{ "text": "Experience with REST API design", "skill": "REST API design", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-021152-e1", "section": "summary", "source_type": "cv", "text": "REST API design guru, top expert level." }, { "evidence_id": "sj-v004-syn-021152-e2", "section": "summary", "source_type": "cv", "text": "Based in Europe, open to remote." } ]
{ "group_id": "api_design", "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-026538
0.1
0.1
{ "text": "Hands-on TypeScript (frontend)", "skill": "TypeScript (frontend)", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-026538-e1", "section": "experience", "source_type": "cv", "text": "Trainee developer; shadowed seniors who wrote typed React components." } ]
{ "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-v006-c-01188
0.1
0.1
{ "text": "Strong scalable system design skills", "skill": "scalable system design", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v006-c-01188-e1", "section": "experience", "source_type": "cv", "text": "I personally designed a multi-region system for 20M users with explicit consistency trade-offs." } ]
{ "group_id": "system_design", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "hard", "case_type": "contrast_partial_supported", "source": "synthetic_v006", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-014261
0.1
0.1
{ "text": "Good understanding of AWS", "skill": "AWS", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-014261-e1", "section": "summary", "source_type": "cv", "text": "Advanced AWS skills; strong AWS background." }, { "evidence_id": "sj-v004-syn-014261-e2", "section": "summary", "source_type": "cv", "text": "Also worked with Git and Jira." } ]
{ "group_id": "cloud_devops", "evidence_label": "partial", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "claim_no_detail", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-006943
0.1
0.1
{ "text": "technical design docs experience", "skill": "technical design docs", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-006943-e1", "section": "summary", "source_type": "cv", "text": "Fast learner, team player, results-driven." } ]
{ "group_id": "leadership", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "easy", "case_type": "vague_claim", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-027858
0.1
0.1
{ "text": "Deep unit testing expertise", "skill": "unit testing", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-027858-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-013542
0.1
0.1
{ "text": "Hands-on monitoring", "skill": "monitoring", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-013542-e1", "section": "skills_list", "source_type": "cv", "text": "Keywords: Agile, monitoring, Linux, REST" } ]
{ "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-023076
0.1
0.1
{ "text": "Production Python skills", "skill": "Python", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-023076-e1", "section": "experience", "source_type": "cv", "text": "Independently shipped Django features and maintained them in production; on-call owner for it." }, { "evidence_id": "sj-v004-syn-023076-e2", "section": "summary", "source_type": "cv", ...
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "easy", "case_type": "direct_moderate", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v008-cv-00532
0.1
0.1
{ "text": "Experience with incident response", "skill": "incident response", "group_id": "reliability_obs", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v008-cv-00532-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Worked on a mobile game project in incident response." } ]
{ "group_id": "reliability_obs", "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-001002
0.1
0.1
{ "text": "Strong cross-team leadership skills", "skill": "cross-team leadership", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-001002-e1", "section": "education", "source_type": "cv", "text": "University course project using cross-team leadership for a simple CRUD demo." }, { "evidence_id": "sj-v004-syn-001002-e2", "section": "summary", "source_type": "cv", "text": "B.Sc. in...
{ "group_id": "leadership", "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-030532
0.1
0.1
{ "text": "Experience with Kubernetes", "skill": "Kubernetes", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-030532-e1", "section": "experience", "source_type": "cv", "text": "Under supervision I worked on small parts while the team wrote Helm charts and debugged pods in production." } ]
{ "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-v005-bl3-00509
0.1
0.1
{ "text": "Experience with OWASP secure coding", "skill": "OWASP secure coding", "group_id": "security", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v005-bl3-00509-e1", "section": "experience", "source_type": "cv", "text": "In my current job I fixed OWASP findings from pentests and fix issues without help." } ]
{ "group_id": "security", "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-015110
0.1
0.1
{ "text": "Expert-level GCP", "skill": "GCP", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-015110-e1", "section": "experience", "source_type": "cv", "text": "Delivered features end-to-end where I ran services on Cloud Run and Cloud SQL." } ]
{ "group_id": "cloud_devops", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "easy", "case_type": "direct_moderate", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-01060
0.1
0.1
{ "text": "Strong React skills", "skill": "React", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-01060-e1", "section": "cv_excerpt", "source_type": "cv", "text": "1.5 year experience with React" } ]
{ "group_id": "frontend", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "real_years_hands_on", "source": "djinni_cv_en", "source_record": "98a6d020-af42-55dd-b142-b7326d162928", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": "v...
sj-v006-c-01812
0.1
0.1
{ "text": "Production Node.js skills", "skill": "Node.js", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v006-c-01812-e1", "section": "experience", "source_type": "cv", "text": "My team led the Node.js/TypeScript gateway rewrite reducing p99 from 900ms to 120ms; I only wrote some tests around it." } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "contrast_partial_supported", "source": "synthetic_v006", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-005152
0.1
0.1
{ "text": "Practical MongoDB experience", "skill": "MongoDB", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-005152-e1", "section": "experience", "source_type": "cv", "text": "Senior backend developer; key achievement: modeled sharded MongoDB collections for 2B documents." } ]
{ "group_id": "data_storage", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-04230
0.1
0.1
{ "text": "Strong Java skills", "skill": "Java", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-04230-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Developed giveaway app for Youtube with using Java, MVVM, Retrofit, OneSignal, Firestore, Google Play Billing" } ]
{ "group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "eb997c7c-e563-5f86-a112-12a0cbc66f23", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v005-bl3-00379
0.1
0.1
{ "text": "Experience with REST API design", "skill": "REST API design", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v005-bl3-00379-e1", "section": "experience", "source_type": "cv", "text": "In my current job I built REST endpoints with validation and pagination and fix issues without help." } ]
{ "group_id": "api_design", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "boundary_l3", "source": "synthetic_v005", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-06178
0.1
0.1
{ "text": "Proven Elasticsearch in production", "skill": "Elasticsearch", "group_id": "data_storage", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-06178-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Support CI service Jenkins, Kibana, Git Support of the company's IT infrastructure (servers, network, backup system, automatization, web services, windows services, Unix systems). Implementation of demo-...
{ "group_id": "data_storage", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "7bc15e0c-7e3c-58c9-977b-1e195e7ac195", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-syn-001304
0.1
0.1
{ "text": "Solid cross-team leadership knowledge", "skill": "cross-team leadership", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-001304-e1", "section": "experience", "source_type": "cv", "text": "Experience: Team member on the payments squad (2021-2024)." } ]
{ "group_id": "leadership", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "missing_skill", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v006-c-01500
0.1
0.1
{ "text": "Experience with integration testing", "skill": "integration testing", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v006-c-01500-e1", "section": "experience", "source_type": "cv", "text": "Built a small integration testing demo app following an online tutorial." } ]
{ "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-real-02973
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-02973-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Technologies: Java, Selenium WebDriver, JUnit, Spring, Cucumber, Allure, AssertJ." } ]
{ "group_id": "lang_core", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_keyword_list", "source": "djinni_cv_en", "source_record": "77011c4c-1cbd-5328-b71c-cd0e010d543c", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2"...
sj-v004-syn-013571
0.1
0.1
{ "text": "Experience with TypeScript (frontend)", "skill": "TypeScript (frontend)", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-013571-e1", "section": "experience", "source_type": "cv", "text": "In my last role I led migration of 300k-line JS frontend to strict TypeScript." } ]
{ "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-003981
0.1
0.1
{ "text": "Expert-level GraphQL", "skill": "GraphQL", "group_id": "api_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-003981-e1", "section": "experience", "source_type": "cv", "text": "Did a GraphQL tutorial and a hello-world app on GitHub." }, { "evidence_id": "sj-v004-syn-003981-e2", "section": "summary", "source_type": "cv", "text": "Based in Europe, open to remo...
{ "group_id": "api_design", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "easy", "case_type": "toy_project", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-030664
0.1
0.1
{ "text": "Expert-level GraphQL", "skill": "GraphQL", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-030664-e1", "section": "experience", "source_type": "cv", "text": "assisted on tasks where the team built graphql resolvers for the mobile app; picked tickets prepared by the lead." } ]
{ "group_id": "api_design", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "easy", "case_type": "below_target", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-006646
0.1
0.1
{ "text": "Experience with MySQL", "skill": "MySQL", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-006646-e1", "section": "experience", "source_type": "cv", "text": "For 2.5 years I designed MySQL schemas for new features as the main developer of the service." } ]
{ "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-003573
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-003573-e1", "section": "experience", "source_type": "cv", "text": "Experience: 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-005925
0.1
0.1
{ "text": "Strong hands-on scalable system design background", "skill": "scalable system design", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-005925-e1", "section": "experience", "source_type": "cv", "text": "Side project: small scalable system design demo built while following an online course." }, { "evidence_id": "sj-v004-syn-005925-e2", "section": "summary", "source_type": "cv", "text"...
{ "group_id": "system_design", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "easy", "case_type": "toy_project", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-003673
0.1
0.1
{ "text": "Commercial experience with REST API design", "skill": "REST API design", "group_id": "api_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-003673-e1", "section": "summary", "source_type": "cv", "text": "REST API design guru, top expert level." } ]
{ "group_id": "api_design", "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-020678
0.1
0.1
{ "text": "OAuth2/OIDC (must have)", "skill": "OAuth2/OIDC", "group_id": "security", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-020678-e1", "section": "interview", "source_type": "interview", "text": "Candidate confirmed they have never worked with OAuth2/OIDC." } ]
{ "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-05340
0.1
0.1
{ "text": "mentoring experience", "skill": "mentoring", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-05340-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Desktop-client for backup/restore system for MacOS platform (.Net + Xamarin), written from scratch. Created PoC then became a lead developer of this app. Studio for high leve programming language develop...
{ "group_id": "leadership", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "854418cc-9876-51c3-a822-a43f482ed281", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-real-03320
0.1
0.1
{ "text": "Proven React in production", "skill": "React", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-03320-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Created an e-commerce website using React, implementing features such as product listings and shopping cart functionality." } ]
{ "group_id": "frontend", "evidence_label": "partial", "proficiency_label": "2" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "cadee281-33e6-5003-9f11-7b95db96eaa5", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "agent_reviewed_v005", "label_convention": "v0.2" }
sj-v004-syn-000494
0.1
0.1
{ "text": "Proven Kafka in production", "skill": "Kafka", "group_id": "system_design", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-000494-e1", "section": "projects", "source_type": "portfolio", "text": "Case study: designed a Kafka event backbone processing 50M events/day with exactly-once via outbox. Includes architecture diagrams and benchmark results." } ]
{ "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-real-01940
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-01940-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Languages: JavaScript (5 y), TypeScript (4 y), Python(1.5 y)" } ]
{ "group_id": "lang_core", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_keyword_list", "source": "djinni_cv_en", "source_record": "95ac68cd-c58d-569d-8cc0-1af4ba23a028", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2"...
sj-v004-real-06188
0.1
0.1
{ "text": "MySQL experience", "skill": "MySQL", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-06188-e1", "section": "cv_excerpt", "source_type": "cv", "text": "My previous job involved handling chats and writing tickets of various types. The work was done through CRM systems like LiveChat + HelpDesk and previously Zoho. Player inquiries varied, including issues...
{ "group_id": "data_storage", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "7f0f45fb-43fa-5102-8598-d417afe1b7f9", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-real-06368
0.1
0.1
{ "text": "Strong AWS skills", "skill": "AWS", "group_id": "cloud_devops", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-real-06368-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Ivano-Frankivsk National Technical University of Oil and Gas Obtained Master’s degree in Computer Systems and Networks Obtained Bachelor’s degree in Computer Systems and Networks" } ]
{ "group_id": "cloud_devops", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "7aecb5eb-1879-593f-9e26-2d9c41bd90e2", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-real-00801
0.1
0.1
{ "text": "Proven React in production", "skill": "React", "group_id": "frontend", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-00801-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Developed React applications using Redux state management and RESTful APIs." } ]
{ "group_id": "frontend", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "915380fd-7f31-5709-8773-ce0e8968ccd5", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-002673
0.1
0.1
{ "text": "Working knowledge of Node.js", "skill": "Node.js", "group_id": "lang_core", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-002673-e1", "section": "experience", "source_type": "cv", "text": "lead engineer 2018-2023: led the node.js/typescript gateway rewrite reducing p99 from 900ms to 120ms." }, { "evidence_id": "sj-v004-syn-002673-e2", "section": "summary", "source_type": "c...
{ "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-027816
0.1
0.1
{ "text": "SLO/SLI experience", "skill": "SLO/SLI", "group_id": "reliability_obs", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-027816-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." }, { "evidence_id": "sj-v004-syn-027816...
{ "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-031493
0.1
0.1
{ "text": "event-driven architecture experience", "skill": "event-driven architecture", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-031493-e1", "section": "experience", "source_type": "cv", "text": "Trainee developer; shadowed seniors who implemented event handlers in an event-driven system." }, { "evidence_id": "sj-v004-syn-031493-e2", "section": "summary", "source_type": "cv", ...
{ "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-003783
0.1
0.1
{ "text": "Practical cross-team leadership experience", "skill": "cross-team leadership", "group_id": "leadership", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-003783-e1", "section": "experience", "source_type": "cv", "text": "CV: led a 4-team initiative aligning API contracts and roadmaps." }, { "evidence_id": "sj-v004-syn-003783-e2", "section": "interview", "source_type": "interview", "text": "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-06878
0.1
0.1
{ "text": "Proven MongoDB in production", "skill": "MongoDB", "group_id": "data_storage", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-real-06878-e1", "section": "cv_excerpt", "source_type": "cv", "text": "For a span of three years, I served as a KYC (Know Your Customer) specialist within the dynamic realm of cryptocurrency. Subsequently, I transitioned to the role of a Risk Analyst for a period of six mon...
{ "group_id": "data_storage", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "8d9b7a43-e705-55e6-b62d-ce5e1330ee3f", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2...
sj-v004-syn-030981
0.1
0.1
{ "text": "Proven Kafka in production", "skill": "Kafka", "group_id": "system_design", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-030981-e1", "section": "experience", "source_type": "cv", "text": "In my last role I designed a Kafka event backbone processing 50M events/day with exactly-once via outbox." } ]
{ "group_id": "system_design", "evidence_label": "supported", "proficiency_label": "4" }
{ "difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-017676
0.1
0.1
{ "text": "CI/CD (must have)", "skill": "CI/CD", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-017676-e1", "section": "experience", "source_type": "cv", "text": "Independently maintained GitHub Actions pipelines; on-call owner for it." } ]
{ "group_id": "cloud_devops", "evidence_label": "supported", "proficiency_label": "3" }
{ "difficulty": "easy", "case_type": "direct_moderate", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-001385
0.1
0.1
{ "text": "Working knowledge of ownership", "skill": "ownership", "group_id": "leadership", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-001385-e1", "section": "experience", "source_type": "cv", "text": "Experience: Team member on the payments squad (2021-2024)." } ]
{ "group_id": "leadership", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "missing_skill", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v006-c-00998
0.1
0.1
{ "text": "Experience with TDD", "skill": "TDD", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v006-c-00998-e1", "section": "experience", "source_type": "cv", "text": "University coursework included a TDD 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-016717
0.1
0.1
{ "text": "Expert-level CI/CD", "skill": "CI/CD", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-016717-e1", "section": "experience", "source_type": "cv", "text": "The platform team designed CI/CD with canary and automated rollback for 60 repos. I joined late and handled minor tasks." } ]
{ "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-030539
0.1
0.1
{ "text": "Working knowledge of React", "skill": "React", "group_id": "frontend", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-030539-e1", "section": "skills_list", "source_type": "cv", "text": "Technologies: Docker, React, Scrum, SQL" } ]
{ "group_id": "frontend", "evidence_label": "insufficient", "proficiency_label": "unknown" }
{ "difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-026319
0.1
0.1
{ "text": "Practical code review experience", "skill": "code review", "group_id": "testing_quality", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-026319-e1", "section": "summary", "source_type": "cv", "text": "I have not used code review professionally or in projects; my experience is in other areas." } ]
{ "group_id": "testing_quality", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "explicit_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-syn-017102
0.1
0.1
{ "text": "Solid integration testing knowledge", "skill": "integration testing", "group_id": "testing_quality", "target_level": 3, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-017102-e1", "section": "experience", "source_type": "cv", "text": "Principal engineer: built Testcontainers-based integration test framework adopted by 10 teams; recognized as integration testing authority and gave conference talks on it." } ]
{ "group_id": "testing_quality", "evidence_label": "supported", "proficiency_label": "5" }
{ "difficulty": "easy", "case_type": "expert", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }
sj-v004-real-00463
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-00463-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Online courses (python,sql, tableau) , university courses (python,c++, math, SQL, data" } ]
{ "group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "1" }
{ "difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "02ba56e0-3827-570d-a5c6-304ef75447e3", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "train", "label_status": "silver_rules_v006", "label_convention": "v0.2" }
sj-v004-syn-006924
0.1
0.1
{ "text": "Strong hands-on GCP background", "skill": "GCP", "group_id": "cloud_devops", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-006924-e1", "section": "interview", "source_type": "interview", "text": "candidate confirmed they have never worked with gcp." }, { "evidence_id": "sj-v004-syn-006924-e2", "section": "summary", "source_type": "cv", "text": "based in europe, open to r...
{ "group_id": "cloud_devops", "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-015653
0.1
0.1
{ "text": "Java experience", "skill": "Java", "group_id": "lang_core", "target_level": 4, "importance": "must" }
[ { "evidence_id": "sj-v004-syn-015653-e1", "section": "interview", "source_type": "interview", "text": "Interviewer: zero Java exposure confirmed by candidate." } ]
{ "group_id": "lang_core", "evidence_label": "contradicted", "proficiency_label": "0" }
{ "difficulty": "easy", "case_type": "verified_none", "source": "synthetic_v004", "split": "train", "label_status": "synthetic_needs_review" }