heldout_locked.jsonl

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{"id": "sj-v002-ho-0004", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Demonstrated expertise in AWS", "skill": "AWS", "group_id": "cloud_devops", "target_level": 4, "importance": "must"}, "evidence": [{"evidence_id": "sj-v002-ho-0004-e1", "section": "summary", "source_type": "cv", "text": "Backend engineer building Java services deployed by a separate ops team to VMs. Interests: hiking, chess."}], "labels": {"group_id": "cloud_devops", "evidence_label": "insufficient", "proficiency_label": "unknown"}, "meta": {"difficulty": "hard", "case_type": "missing_skill", "source": "synthetic_v002", "split": "heldout_locked", "label_status": "synthetic_needs_review"}}
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{"id": "sj-v002-ho-0006", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Demonstrated expertise in event-driven architecture", "skill": "event-driven architecture", "group_id": "system_design", "target_level": 4, "importance": "must"}, "evidence": [], "labels": {"group_id": "system_design", "evidence_label": "insufficient", "proficiency_label": "unknown"}, "meta": {"difficulty": "easy", "case_type": "no_evidence", "source": "synthetic_v002", "split": "heldout_locked", "label_status": "synthetic_needs_review"}}
{"id": "sj-v002-ho-0007", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Demonstrated expertise in microservices", "skill": "microservices", "group_id": "system_design", "target_level": 4, "importance": "must"}, "evidence": [{"evidence_id": "sj-v002-ho-0007-e1", "section": "experience", "source_type": "cv", "text": "Org-wide owner of microservices: architected the monolith-to-microservices split into 25 services with clear boundaries; maintainer of a widely used open-source microservices library."}], "labels": {"group_id": "system_design", "evidence_label": "supported", "proficiency_label": "5"}, "meta": {"difficulty": "easy", "case_type": "expert", "source": "synthetic_v002", "split": "heldout_locked", "label_status": "synthetic_needs_review"}}
{"id": "sj-v002-ho-0008", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Demonstrated expertise in incident response", "skill": "incident response", "group_id": "reliability_obs", "target_level": 4, "importance": "must"}, "evidence": [{"evidence_id": "sj-v002-ho-0008-e1", "section": "experience", "source_type": "cv", "text": "Over two years in production I took part in on-call and wrote postmortems without supervision."}], "labels": {"group_id": "reliability_obs", "evidence_label": "supported", "proficiency_label": "3"}, "meta": {"difficulty": "easy", "case_type": "direct_moderate", "source": "synthetic_v002", "split": "heldout_locked", "label_status": "synthetic_needs_review"}}
{"id": "sj-v002-ho-0009", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Demonstrated expertise in Docker", "skill": "Docker", "group_id": "cloud_devops", "target_level": 4, "importance": "must"}, "evidence": [], "labels": {"group_id": "cloud_devops", "evidence_label": "insufficient", "proficiency_label": "unknown"}, "meta": {"difficulty": "easy", "case_type": "no_evidence", "source": "synthetic_v002", "split": "heldout_locked", "label_status": "synthetic_needs_review"}}
{"id": "sj-v002-ho-0010", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Demonstrated expertise in authorization (RBAC)", "skill": "authorization (RBAC)", "group_id": "security", "target_level": 3, "importance": "must"}, "evidence": [{"evidence_id": "sj-v002-ho-0010-e1", "section": "experience", "source_type": "cv", "text": "CV says: designed fine-grained RBAC/ABAC service used by all products."}, {"evidence_id": "sj-v002-ho-0010-e2", "section": "interview", "source_type": "interview", "text": "Interview check on authorization (RBAC) failed; candidate admitted only minor involvement."}], "labels": {"group_id": "security", "evidence_label": "contradicted", "proficiency_label": "2"}, "meta": {"difficulty": "hard", "case_type": "cv_vs_interview", "source": "synthetic_v002", "split": "heldout_locked", "label_status": "synthetic_needs_review"}}
{"id": "sj-v002-ho-0011", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Demonstrated expertise in Go", "skill": "Go", "group_id": "lang_core", "target_level": 3, "importance": "must"}, "evidence": [{"evidence_id": "sj-v002-ho-0011-e1", "section": "summary", "source_type": "cv", "text": "Senior iOS engineer (Swift) shipping consumer apps for 6 years. Interests: hiking, chess."}], "labels": {"group_id": "lang_core", "evidence_label": "insufficient", "proficiency_label": "unknown"}, "meta": {"difficulty": "hard", "case_type": "missing_skill", "source": "synthetic_v002", "split": "heldout_locked", "label_status": "synthetic_needs_review"}}
{"id": "sj-v002-ho-0012", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Demonstrated expertise in Python", "skill": "Python", "group_id": "lang_core", "target_level": 3, "importance": "must"}, "evidence": [{"evidence_id": "sj-v002-ho-0012-e1", "section": "experience", "source_type": "cv", "text": "CV says: architected an async Python (FastAPI) platform serving 30 internal teams."}, {"evidence_id": "sj-v002-ho-0012-e2", "section": "interview", "source_type": "interview", "text": "Interview check on Python failed; candidate admitted only minor involvement."}], "labels": {"group_id": "lang_core", "evidence_label": "contradicted", "proficiency_label": "2"}, "meta": {"difficulty": "hard", "case_type": "cv_vs_interview", "source": "synthetic_v002", "split": "heldout_locked", "label_status": "synthetic_needs_review"}}
{"id": "sj-v002-ho-0013", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Demonstrated expertise in Node.js", "skill": "Node.js", "group_id": "lang_core", "target_level": 4, "importance": "must"}, "evidence": [{"evidence_id": "sj-v002-ho-0013-e1", "section": "experience", "source_type": "cv", "text": "Org-wide owner of Node.js: led the Node.js/TypeScript gateway rewrite reducing p99 from 900ms to 120ms; maintainer of a widely used open-source Node.js library."}], "labels": {"group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "5"}, "meta": {"difficulty": "easy", "case_type": "expert", "source": "synthetic_v002", "split": "heldout_locked", "label_status": "synthetic_needs_review"}}
{"id": "sj-v002-ho-0014", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Demonstrated expertise in PostgreSQL", "skill": "PostgreSQL", "group_id": "data_storage", "target_level": 3, "importance": "must"}, "evidence": [{"evidence_id": "sj-v002-ho-0014-e1", "section": "summary", "source_type": "cv", "text": "Frontend developer focused on CSS animations and design systems. Interests: hiking, chess."}], "labels": {"group_id": "data_storage", "evidence_label": "insufficient", "proficiency_label": "unknown"}, "meta": {"difficulty": "hard", "case_type": "missing_skill", "source": "synthetic_v002", "split": "heldout_locked", "label_status": "synthetic_needs_review"}}
{"id": "sj-v002-ho-0015", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Demonstrated expertise in Python", "skill": "Python", "group_id": "lang_core", "target_level": 4, "importance": "must"}, "evidence": [{"evidence_id": "sj-v002-ho-0015-e1", "section": "experience", "source_type": "cv", "text": "As an associate engineer I supported colleagues who shipped Django features and maintained them in production, mostly pairing."}], "labels": {"group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "2"}, "meta": {"difficulty": "easy", "case_type": "below_target", "source": "synthetic_v002", "split": "heldout_locked", "label_status": "synthetic_needs_review"}}
{"id": "sj-v002-ho-0016", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Demonstrated expertise in static analysis", "skill": "static analysis", "group_id": "testing_quality", "target_level": 4, "importance": "must"}, "evidence": [{"evidence_id": "sj-v002-ho-0016-e1", "section": "projects", "source_type": "portfolio", "text": "Weekend hackathon prototype where I first experimented with static analysis."}], "labels": {"group_id": "testing_quality", "evidence_label": "partial", "proficiency_label": "1"}, "meta": {"difficulty": "easy", "case_type": "toy_project", "source": "synthetic_v002", "split": "heldout_locked", "label_status": "synthetic_needs_review"}}
{"id": "sj-v002-ho-0017", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Demonstrated expertise in C#/.NET", "skill": "C#/.NET", "group_id": "lang_core", "target_level": 3, "importance": "must"}, "evidence": [{"evidence_id": "sj-v002-ho-0017-e1", "section": "summary", "source_type": "cv", "text": "Note: never worked with C#/.NET."}], "labels": {"group_id": "lang_core", "evidence_label": "contradicted", "proficiency_label": "0"}, "meta": {"difficulty": "easy", "case_type": "explicit_none", "source": "synthetic_v002", "split": "heldout_locked", "label_status": "synthetic_needs_review"}}
{"id": "sj-v002-ho-0018", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Demonstrated expertise in Kotlin", "skill": "Kotlin", "group_id": "lang_core", "target_level": 3, "importance": "must"}, "evidence": [{"evidence_id": "sj-v002-ho-0018-e1", "section": "experience", "source_type": "cv", "text": "As an associate engineer I supported colleagues who built Ktor endpoints in production, mostly pairing."}], "labels": {"group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "2"}, "meta": {"difficulty": "easy", "case_type": "below_target", "source": "synthetic_v002", "split": "heldout_locked", "label_status": "synthetic_needs_review"}}
{"id": "sj-v002-ho-0019", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Demonstrated expertise in Redis", "skill": "Redis", "group_id": "data_storage", "target_level": 4, "importance": "must"}, "evidence": [{"evidence_id": "sj-v002-ho-0019-e1", "section": "experience", "source_type": "cv", "text": "Over two years in production I added Redis caching with TTL invalidation without supervision."}], "labels": {"group_id": "data_storage", "evidence_label": "supported", "proficiency_label": "3"}, "meta": {"difficulty": "easy", "case_type": "direct_moderate", "source": "synthetic_v002", "split": "heldout_locked", "label_status": "synthetic_needs_review"}}
{"id": "sj-v002-ho-0020", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Demonstrated expertise in MySQL", "skill": "MySQL", "group_id": "data_storage", "target_level": 4, "importance": "must"}, "evidence": [{"evidence_id": "sj-v002-ho-0020-e1", "section": "experience", "source_type": "cv", "text": "Org-wide owner of MySQL: set up MySQL semi-sync replication and online schema changes at 20k QPS; maintainer of a widely used open-source MySQL library."}], "labels": {"group_id": "data_storage", "evidence_label": "supported", "proficiency_label": "5"}, "meta": {"difficulty": "easy", "case_type": "expert", "source": "synthetic_v002", "split": "heldout_locked", "label_status": "synthetic_needs_review"}}
{"id": "sj-v002-ho-0021", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Demonstrated expertise in PostgreSQL", "skill": "PostgreSQL", "group_id": "data_storage", "target_level": 4, "importance": "must"}, "evidence": [{"evidence_id": "sj-v002-ho-0021-e1", "section": "experience", "source_type": "cv", "text": "At a fintech scale-up I partitioned a 3TB PostgreSQL table and tuned indexes cutting queries from 40s to 1s; this became the reference design for other teams."}], "labels": {"group_id": "data_storage", "evidence_label": "supported", "proficiency_label": "4"}, "meta": {"difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v002", "split": "heldout_locked", "label_status": "synthetic_needs_review"}}
{"id": "sj-v002-ho-0022", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Demonstrated expertise in OpenAPI", "skill": "OpenAPI", "group_id": "api_design", "target_level": 3, "importance": "must"}, "evidence": [{"evidence_id": "sj-v002-ho-0022-e1", "section": "interview", "source_type": "interview", "text": "Interviewer: asked about OpenAPI; candidate said they have zero experience with it."}], "labels": {"group_id": "api_design", "evidence_label": "contradicted", "proficiency_label": "0"}, "meta": {"difficulty": "easy", "case_type": "verified_none", "source": "synthetic_v002", "split": "heldout_locked", "label_status": "synthetic_needs_review"}}
{"id": "sj-v002-ho-0023", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Demonstrated expertise in gRPC", "skill": "gRPC", "group_id": "api_design", "target_level": 3, "importance": "must"}, "evidence": [{"evidence_id": "sj-v002-ho-0023-e1", "section": "summary", "source_type": "cv", "text": "Note: never worked with gRPC."}], "labels": {"group_id": "api_design", "evidence_label": "contradicted", "proficiency_label": "0"}, "meta": {"difficulty": "easy", "case_type": "explicit_none", "source": "synthetic_v002", "split": "heldout_locked", "label_status": "synthetic_needs_review"}}
{"id": "sj-v002-ho-0024", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Demonstrated expertise in accessibility", "skill": "accessibility", "group_id": "frontend", "target_level": 3, "importance": "must"}, "evidence": [{"evidence_id": "sj-v002-ho-0024-e1", "section": "summary", "source_type": "cv", "text": "Hardworking and motivated, eager to grow."}], "labels": {"group_id": "frontend", "evidence_label": "insufficient", "proficiency_label": "unknown"}, "meta": {"difficulty": "easy", "case_type": "vague_claim", "source": "synthetic_v002", "split": "heldout_locked", "label_status": "synthetic_needs_review"}}
{"id": "sj-v002-ho-0025", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Demonstrated expertise in mentoring", "skill": "mentoring", "group_id": "leadership", "target_level": 3, "importance": "must"}, "evidence": [{"evidence_id": "sj-v002-ho-0025-e1", "section": "summary", "source_type": "cv", "text": "Note: never worked with mentoring."}], "labels": {"group_id": "leadership", "evidence_label": "contradicted", "proficiency_label": "0"}, "meta": {"difficulty": "easy", "case_type": "explicit_none", "source": "synthetic_v002", "split": "heldout_locked", "label_status": "synthetic_needs_review"}}
{"id": "sj-v002-ho-0026", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Demonstrated expertise in hiring", "skill": "hiring", "group_id": "leadership", "target_level": 3, "importance": "must"}, "evidence": [{"evidence_id": "sj-v002-ho-0026-e1", "section": "experience", "source_type": "cv", "text": "Over two years in production I conducted technical interviews without supervision."}], "labels": {"group_id": "leadership", "evidence_label": "supported", "proficiency_label": "3"}, "meta": {"difficulty": "easy", "case_type": "direct_moderate", "source": "synthetic_v002", "split": "heldout_locked", "label_status": "synthetic_needs_review"}}
{"id": "sj-v002-ho-0027", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Demonstrated expertise in distributed tracing", "skill": "distributed tracing", "group_id": "reliability_obs", "target_level": 3, "importance": "must"}, "evidence": [{"evidence_id": "sj-v002-ho-0027-e1", "section": "experience", "source_type": "cv", "text": "At a fintech scale-up I rolled out OpenTelemetry tracing across 30 services and used it to cut latency 40%; this became the reference design for other teams."}], "labels": {"group_id": "reliability_obs", "evidence_label": "supported", "proficiency_label": "4"}, "meta": {"difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v002", "split": "heldout_locked", "label_status": "synthetic_needs_review"}}
{"id": "sj-v002-ho-0028", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Demonstrated expertise in REST API design", "skill": "REST API design", "group_id": "api_design", "target_level": 4, "importance": "must"}, "evidence": [{"evidence_id": "sj-v002-ho-0028-e1", "section": "experience", "source_type": "cv", "text": "As an associate engineer I supported colleagues who built REST endpoints with validation and pagination, mostly pairing."}], "labels": {"group_id": "api_design", "evidence_label": "partial", "proficiency_label": "2"}, "meta": {"difficulty": "easy", "case_type": "below_target", "source": "synthetic_v002", "split": "heldout_locked", "label_status": "synthetic_needs_review"}}
{"id": "sj-v002-ho-0029", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Demonstrated expertise in Java", "skill": "Java", "group_id": "lang_core", "target_level": 4, "importance": "must"}, "evidence": [{"evidence_id": "sj-v002-ho-0029-e1", "section": "experience", "source_type": "cv", "text": "CV says: designed a Java/Spring settlement engine processing $2B/yr and cut GC pauses 80%."}, {"evidence_id": "sj-v002-ho-0029-e2", "section": "interview", "source_type": "interview", "text": "Interview check on Java failed; candidate admitted only minor involvement."}], "labels": {"group_id": "lang_core", "evidence_label": "contradicted", "proficiency_label": "2"}, "meta": {"difficulty": "hard", "case_type": "cv_vs_interview", "source": "synthetic_v002", "split": "heldout_locked", "label_status": "synthetic_needs_review"}}
{"id": "sj-v002-ho-0030", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Demonstrated expertise in performance tuning", "skill": "performance tuning", "group_id": "reliability_obs", "target_level": 4, "importance": "must"}, "evidence": [{"evidence_id": "sj-v002-ho-0030-e1", "section": "experience", "source_type": "cv", "text": "As an associate engineer I supported colleagues who fixed N+1 queries and memory leaks, mostly pairing."}], "labels": {"group_id": "reliability_obs", "evidence_label": "partial", "proficiency_label": "2"}, "meta": {"difficulty": "easy", "case_type": "below_target", "source": "synthetic_v002", "split": "heldout_locked", "label_status": "synthetic_needs_review"}}
{"id": "sj-v002-ho-0031", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Demonstrated expertise in MongoDB", "skill": "MongoDB", "group_id": "data_storage", "target_level": 4, "importance": "must"}, "evidence": [{"evidence_id": "sj-v002-ho-0031-e1", "section": "experience", "source_type": "cv", "text": "Member of the group that modeled sharded MongoDB collections for 2B documents; I handled supporting tasks."}], "labels": {"group_id": "data_storage", "evidence_label": "partial", "proficiency_label": "2"}, "meta": {"difficulty": "hard", "case_type": "team_credit", "source": "synthetic_v002", "split": "heldout_locked", "label_status": "synthetic_needs_review"}}
{"id": "sj-v002-ho-0032", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Demonstrated expertise in GraphQL", "skill": "GraphQL", "group_id": "api_design", "target_level": 3, "importance": "must"}, "evidence": [{"evidence_id": "sj-v002-ho-0032-e1", "section": "summary", "source_type": "cv", "text": "Note: never worked with GraphQL."}], "labels": {"group_id": "api_design", "evidence_label": "contradicted", "proficiency_label": "0"}, "meta": {"difficulty": "easy", "case_type": "explicit_none", "source": "synthetic_v002", "split": "heldout_locked", "label_status": "synthetic_needs_review"}}
{"id": "sj-v002-ho-0033", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Demonstrated expertise in TypeScript (frontend)", "skill": "TypeScript (frontend)", "group_id": "frontend", "target_level": 4, "importance": "must"}, "evidence": [{"evidence_id": "sj-v002-ho-0033-e1", "section": "experience", "source_type": "cv", "text": "Over two years in production I wrote typed React components without supervision."}], "labels": {"group_id": "frontend", "evidence_label": "supported", "proficiency_label": "3"}, "meta": {"difficulty": "easy", "case_type": "direct_moderate", "source": "synthetic_v002", "split": "heldout_locked", "label_status": "synthetic_needs_review"}}
{"id": "sj-v002-ho-0034", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Demonstrated expertise in code review", "skill": "code review", "group_id": "testing_quality", "target_level": 4, "importance": "must"}, "evidence": [{"evidence_id": "sj-v002-ho-0034-e1", "section": "experience", "source_type": "cv", "text": "At a fintech scale-up I created code review guidelines and reviewed ~20 PRs/week as tech lead; this became the reference design for other teams."}], "labels": {"group_id": "testing_quality", "evidence_label": "supported", "proficiency_label": "4"}, "meta": {"difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v002", "split": "heldout_locked", "label_status": "synthetic_needs_review"}}
{"id": "sj-v002-ho-0035", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Demonstrated expertise in state management", "skill": "state management", "group_id": "frontend", "target_level": 3, "importance": "must"}, "evidence": [{"evidence_id": "sj-v002-ho-0035-e1", "section": "experience", "source_type": "cv", "text": "Over two years in production I used Redux in production features without supervision."}], "labels": {"group_id": "frontend", "evidence_label": "supported", "proficiency_label": "3"}, "meta": {"difficulty": "easy", "case_type": "direct_moderate", "source": "synthetic_v002", "split": "heldout_locked", "label_status": "synthetic_needs_review"}}
{"id": "sj-v002-ho-0036", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Demonstrated expertise in TDD", "skill": "TDD", "group_id": "testing_quality", "target_level": 3, "importance": "must"}, "evidence": [{"evidence_id": "sj-v002-ho-0036-e1", "section": "summary", "source_type": "cv", "text": "Seasoned TDD specialist."}], "labels": {"group_id": "testing_quality", "evidence_label": "partial", "proficiency_label": "unknown"}, "meta": {"difficulty": "hard", "case_type": "claim_no_detail", "source": "synthetic_v002", "split": "heldout_locked", "label_status": "synthetic_needs_review"}}
{"id": "sj-v002-ho-0037", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Demonstrated expertise in Kafka", "skill": "Kafka", "group_id": "system_design", "target_level": 3, "importance": "must"}, "evidence": [{"evidence_id": "sj-v002-ho-0037-e1", "section": "summary", "source_type": "cv", "text": "QA engineer writing manual test plans. Interests: hiking, chess."}], "labels": {"group_id": "system_design", "evidence_label": "insufficient", "proficiency_label": "unknown"}, "meta": {"difficulty": "hard", "case_type": "missing_skill", "source": "synthetic_v002", "split": "heldout_locked", "label_status": "synthetic_needs_review"}}
{"id": "sj-v002-ho-0038", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Demonstrated expertise in gRPC", "skill": "gRPC", "group_id": "api_design", "target_level": 3, "importance": "must"}, "evidence": [{"evidence_id": "sj-v002-ho-0038-e1", "section": "summary", "source_type": "cv", "text": "Data analyst building Tableau dashboards and SQL reports. Interests: hiking, chess."}], "labels": {"group_id": "api_design", "evidence_label": "insufficient", "proficiency_label": "unknown"}, "meta": {"difficulty": "hard", "case_type": "missing_skill", "source": "synthetic_v002", "split": "heldout_locked", "label_status": "synthetic_needs_review"}}
{"id": "sj-v002-ho-0039", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Demonstrated expertise in static analysis", "skill": "static analysis", "group_id": "testing_quality", "target_level": 3, "importance": "must"}, "evidence": [{"evidence_id": "sj-v002-ho-0039-e1", "section": "interview", "source_type": "interview", "text": "Interviewer: asked about static analysis; candidate said they have zero experience with it."}], "labels": {"group_id": "testing_quality", "evidence_label": "contradicted", "proficiency_label": "0"}, "meta": {"difficulty": "easy", "case_type": "verified_none", "source": "synthetic_v002", "split": "heldout_locked", "label_status": "synthetic_needs_review"}}
{"id": "sj-v002-ho-0040", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Demonstrated expertise in integration testing", "skill": "integration testing", "group_id": "testing_quality", "target_level": 3, "importance": "must"}, "evidence": [{"evidence_id": "sj-v002-ho-0040-e1", "section": "experience", "source_type": "cv", "text": "As an associate engineer I supported colleagues who wrote integration tests against real databases, mostly pairing."}], "labels": {"group_id": "testing_quality", "evidence_label": "partial", "proficiency_label": "2"}, "meta": {"difficulty": "easy", "case_type": "below_target", "source": "synthetic_v002", "split": "heldout_locked", "label_status": "synthetic_needs_review"}}
{"id": "sj-v002-ho-0041", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Demonstrated expertise in event-driven architecture", "skill": "event-driven architecture", "group_id": "system_design", "target_level": 3, "importance": "must"}, "evidence": [{"evidence_id": "sj-v002-ho-0041-e1", "section": "experience", "source_type": "cv", "text": "Over two years in production I implemented event handlers in an event-driven system without supervision."}], "labels": {"group_id": "system_design", "evidence_label": "supported", "proficiency_label": "3"}, "meta": {"difficulty": "easy", "case_type": "direct_moderate", "source": "synthetic_v002", "split": "heldout_locked", "label_status": "synthetic_needs_review"}}
{"id": "sj-v002-ho-0042", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Demonstrated expertise in MongoDB", "skill": "MongoDB", "group_id": "data_storage", "target_level": 4, "importance": "must"}, "evidence": [], "labels": {"group_id": "data_storage", "evidence_label": "insufficient", "proficiency_label": "unknown"}, "meta": {"difficulty": "easy", "case_type": "no_evidence", "source": "synthetic_v002", "split": "heldout_locked", "label_status": "synthetic_needs_review"}}
{"id": "sj-v002-ho-0043", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Demonstrated expertise in Kubernetes", "skill": "Kubernetes", "group_id": "cloud_devops", "target_level": 3, "importance": "must"}, "evidence": [{"evidence_id": "sj-v002-ho-0043-e1", "section": "summary", "source_type": "cv", "text": "Note: never worked with Kubernetes."}], "labels": {"group_id": "cloud_devops", "evidence_label": "contradicted", "proficiency_label": "0"}, "meta": {"difficulty": "easy", "case_type": "explicit_none", "source": "synthetic_v002", "split": "heldout_locked", "label_status": "synthetic_needs_review"}}
{"id": "sj-v002-ho-0044", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Demonstrated expertise in monitoring", "skill": "monitoring", "group_id": "reliability_obs", "target_level": 4, "importance": "must"}, "evidence": [{"evidence_id": "sj-v002-ho-0044-e1", "section": "experience", "source_type": "cv", "text": "CV says: built the company observability stack (Prometheus, Grafana) and SLO program."}, {"evidence_id": "sj-v002-ho-0044-e2", "section": "interview", "source_type": "interview", "text": "Interview check on monitoring failed; candidate admitted only minor involvement."}], "labels": {"group_id": "reliability_obs", "evidence_label": "contradicted", "proficiency_label": "2"}, "meta": {"difficulty": "hard", "case_type": "cv_vs_interview", "source": "synthetic_v002", "split": "heldout_locked", "label_status": "synthetic_needs_review"}}
{"id": "sj-v002-ho-0045", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Demonstrated expertise in integration testing", "skill": "integration testing", "group_id": "testing_quality", "target_level": 4, "importance": "must"}, "evidence": [{"evidence_id": "sj-v002-ho-0045-e1", "section": "summary", "source_type": "cv", "text": "Technical writer producing API documentation. Interests: hiking, chess."}], "labels": {"group_id": "testing_quality", "evidence_label": "insufficient", "proficiency_label": "unknown"}, "meta": {"difficulty": "hard", "case_type": "missing_skill", "source": "synthetic_v002", "split": "heldout_locked", "label_status": "synthetic_needs_review"}}
{"id": "sj-v002-ho-0046", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Demonstrated expertise in OpenAPI", "skill": "OpenAPI", "group_id": "api_design", "target_level": 4, "importance": "must"}, "evidence": [{"evidence_id": "sj-v002-ho-0046-e1", "section": "skills_list", "source_type": "cv", "text": "Tech stack: OpenAPI | Slack | Confluence | Linux"}], "labels": {"group_id": "api_design", "evidence_label": "insufficient", "proficiency_label": "unknown"}, "meta": {"difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v002", "split": "heldout_locked", "label_status": "synthetic_needs_review"}}
{"id": "sj-v002-ho-0047", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Demonstrated expertise in CI/CD", "skill": "CI/CD", "group_id": "cloud_devops", "target_level": 3, "importance": "must"}, "evidence": [{"evidence_id": "sj-v002-ho-0047-e1", "section": "experience", "source_type": "cv", "text": "Member of the group that designed CI/CD with canary and automated rollback for 60 repos; I handled supporting tasks."}], "labels": {"group_id": "cloud_devops", "evidence_label": "partial", "proficiency_label": "2"}, "meta": {"difficulty": "hard", "case_type": "team_credit", "source": "synthetic_v002", "split": "heldout_locked", "label_status": "synthetic_needs_review"}}
{"id": "sj-v002-ho-0048", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Demonstrated expertise in performance tuning", "skill": "performance tuning", "group_id": "reliability_obs", "target_level": 4, "importance": "must"}, "evidence": [{"evidence_id": "sj-v002-ho-0048-e1", "section": "experience", "source_type": "cv", "text": "At a fintech scale-up I profiled and tuned JVM services increasing throughput 3x on the same hardware; this became the reference design for other teams."}], "labels": {"group_id": "reliability_obs", "evidence_label": "supported", "proficiency_label": "4"}, "meta": {"difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v002", "split": "heldout_locked", "label_status": "synthetic_needs_review"}}
{"id": "sj-v002-ho-0049", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Demonstrated expertise in MongoDB", "skill": "MongoDB", "group_id": "data_storage", "target_level": 4, "importance": "must"}, "evidence": [{"evidence_id": "sj-v002-ho-0049-e1", "section": "experience", "source_type": "cv", "text": "Over two years in production I built MongoDB aggregations for reporting without supervision."}], "labels": {"group_id": "data_storage", "evidence_label": "supported", "proficiency_label": "3"}, "meta": {"difficulty": "easy", "case_type": "direct_moderate", "source": "synthetic_v002", "split": "heldout_locked", "label_status": "synthetic_needs_review"}}
{"id": "sj-v002-ho-0050", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Demonstrated expertise in event-driven architecture", "skill": "event-driven architecture", "group_id": "system_design", "target_level": 3, "importance": "must"}, "evidence": [{"evidence_id": "sj-v002-ho-0050-e1", "section": "summary", "source_type": "cv", "text": "Hardworking and motivated, eager to grow."}], "labels": {"group_id": "system_design", "evidence_label": "insufficient", "proficiency_label": "unknown"}, "meta": {"difficulty": "easy", "case_type": "vague_claim", "source": "synthetic_v002", "split": "heldout_locked", "label_status": "synthetic_needs_review"}}
{"id": "sj-v002-ho-0051", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Demonstrated expertise in Node.js", "skill": "Node.js", "group_id": "lang_core", "target_level": 3, "importance": "must"}, "evidence": [{"evidence_id": "sj-v002-ho-0051-e1", "section": "experience", "source_type": "cv", "text": "As an associate engineer I supported colleagues who developed Express APIs and handled on-call issues, mostly pairing."}], "labels": {"group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "2"}, "meta": {"difficulty": "easy", "case_type": "below_target", "source": "synthetic_v002", "split": "heldout_locked", "label_status": "synthetic_needs_review"}}
{"id": "sj-v002-ho-0052", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Demonstrated expertise in TypeScript (frontend)", "skill": "TypeScript (frontend)", "group_id": "frontend", "target_level": 4, "importance": "must"}, "evidence": [{"evidence_id": "sj-v002-ho-0052-e1", "section": "summary", "source_type": "cv", "text": "Note: never worked with TypeScript (frontend)."}], "labels": {"group_id": "frontend", "evidence_label": "contradicted", "proficiency_label": "0"}, "meta": {"difficulty": "easy", "case_type": "explicit_none", "source": "synthetic_v002", "split": "heldout_locked", "label_status": "synthetic_needs_review"}}
{"id": "sj-v002-ho-0053", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Demonstrated expertise in integration testing", "skill": "integration testing", "group_id": "testing_quality", "target_level": 4, "importance": "must"}, "evidence": [{"evidence_id": "sj-v002-ho-0053-e1", "section": "experience", "source_type": "cv", "text": "At a fintech scale-up I built Testcontainers-based integration test framework adopted by 10 teams; this became the reference design for other teams."}], "labels": {"group_id": "testing_quality", "evidence_label": "supported", "proficiency_label": "4"}, "meta": {"difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v002", "split": "heldout_locked", "label_status": "synthetic_needs_review"}}
{"id": "sj-v002-ho-0054", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Demonstrated expertise in unit testing", "skill": "unit testing", "group_id": "testing_quality", "target_level": 4, "importance": "must"}, "evidence": [{"evidence_id": "sj-v002-ho-0054-e1", "section": "experience", "source_type": "cv", "text": "Over two years in production I wrote unit tests for all features without supervision."}], "labels": {"group_id": "testing_quality", "evidence_label": "supported", "proficiency_label": "3"}, "meta": {"difficulty": "easy", "case_type": "direct_moderate", "source": "synthetic_v002", "split": "heldout_locked", "label_status": "synthetic_needs_review"}}
{"id": "sj-v002-ho-0055", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Demonstrated expertise in distributed consistency", "skill": "distributed consistency", "group_id": "system_design", "target_level": 3, "importance": "must"}, "evidence": [{"evidence_id": "sj-v002-ho-0055-e1", "section": "experience", "source_type": "cv", "text": "As an associate engineer I supported colleagues who handled retries and deduplication in distributed jobs, mostly pairing."}], "labels": {"group_id": "system_design", "evidence_label": "partial", "proficiency_label": "2"}, "meta": {"difficulty": "easy", "case_type": "below_target", "source": "synthetic_v002", "split": "heldout_locked", "label_status": "synthetic_needs_review"}}
{"id": "sj-v002-ho-0056", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Demonstrated expertise in C#/.NET", "skill": "C#/.NET", "group_id": "lang_core", "target_level": 3, "importance": "must"}, "evidence": [{"evidence_id": "sj-v002-ho-0056-e1", "section": "experience", "source_type": "cv", "text": "Over two years in production I maintained ASP.NET Core APIs without supervision."}], "labels": {"group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3"}, "meta": {"difficulty": "easy", "case_type": "direct_moderate", "source": "synthetic_v002", "split": "heldout_locked", "label_status": "synthetic_needs_review"}}
{"id": "sj-v002-ho-0057", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Demonstrated expertise in GraphQL", "skill": "GraphQL", "group_id": "api_design", "target_level": 3, "importance": "must"}, "evidence": [{"evidence_id": "sj-v002-ho-0057-e1", "section": "interview", "source_type": "interview", "text": "Interviewer: asked about GraphQL; candidate said they have zero experience with it."}], "labels": {"group_id": "api_design", "evidence_label": "contradicted", "proficiency_label": "0"}, "meta": {"difficulty": "easy", "case_type": "verified_none", "source": "synthetic_v002", "split": "heldout_locked", "label_status": "synthetic_needs_review"}}
{"id": "sj-v002-ho-0058", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Demonstrated expertise in scalable system design", "skill": "scalable system design", "group_id": "system_design", "target_level": 4, "importance": "must"}, "evidence": [{"evidence_id": "sj-v002-ho-0058-e1", "section": "experience", "source_type": "cv", "text": "At a fintech scale-up I designed a multi-region system for 20M users with explicit consistency trade-offs; this became the reference design for other teams."}], "labels": {"group_id": "system_design", "evidence_label": "supported", "proficiency_label": "4"}, "meta": {"difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v002", "split": "heldout_locked", "label_status": "synthetic_needs_review"}}
{"id": "sj-v002-ho-0059", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Demonstrated expertise in REST API design", "skill": "REST API design", "group_id": "api_design", "target_level": 3, "importance": "must"}, "evidence": [{"evidence_id": "sj-v002-ho-0059-e1", "section": "experience", "source_type": "cv", "text": "CV says: designed a versioned public REST API (OpenAPI) for 40+ partners with idempotency keys."}, {"evidence_id": "sj-v002-ho-0059-e2", "section": "interview", "source_type": "interview", "text": "Interview check on REST API design failed; candidate admitted only minor involvement."}], "labels": {"group_id": "api_design", "evidence_label": "contradicted", "proficiency_label": "2"}, "meta": {"difficulty": "hard", "case_type": "cv_vs_interview", "source": "synthetic_v002", "split": "heldout_locked", "label_status": "synthetic_needs_review"}}
{"id": "sj-v002-ho-0060", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Demonstrated expertise in Elasticsearch", "skill": "Elasticsearch", "group_id": "data_storage", "target_level": 4, "importance": "must"}, "evidence": [{"evidence_id": "sj-v002-ho-0060-e1", "section": "skills_list", "source_type": "cv", "text": "Tech stack: Elasticsearch | Slack | Confluence | Linux"}], "labels": {"group_id": "data_storage", "evidence_label": "insufficient", "proficiency_label": "unknown"}, "meta": {"difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v002", "split": "heldout_locked", "label_status": "synthetic_needs_review"}}
{"id": "sj-v002-ho-0061", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Demonstrated expertise in Java", "skill": "Java", "group_id": "lang_core", "target_level": 4, "importance": "must"}, "evidence": [{"evidence_id": "sj-v002-ho-0061-e1", "section": "experience", "source_type": "cv", "text": "At a fintech scale-up I designed a Java/Spring settlement engine processing $2B/yr and cut GC pauses 80%; this became the reference design for other teams."}], "labels": {"group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "4"}, "meta": {"difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v002", "split": "heldout_locked", "label_status": "synthetic_needs_review"}}
{"id": "sj-v002-ho-0062", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Demonstrated expertise in Rust", "skill": "Rust", "group_id": "lang_core", "target_level": 3, "importance": "must"}, "evidence": [{"evidence_id": "sj-v002-ho-0062-e1", "section": "summary", "source_type": "cv", "text": "Senior iOS engineer (Swift) shipping consumer apps for 6 years. Interests: hiking, chess."}], "labels": {"group_id": "lang_core", "evidence_label": "insufficient", "proficiency_label": "unknown"}, "meta": {"difficulty": "hard", "case_type": "missing_skill", "source": "synthetic_v002", "split": "heldout_locked", "label_status": "synthetic_needs_review"}}
{"id": "sj-v002-ho-0063", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Demonstrated expertise in TypeScript (frontend)", "skill": "TypeScript (frontend)", "group_id": "frontend", "target_level": 3, "importance": "must"}, "evidence": [{"evidence_id": "sj-v002-ho-0063-e1", "section": "summary", "source_type": "cv", "text": "Backend engineer, Go and PostgreSQL, 7 years. Interests: hiking, chess."}], "labels": {"group_id": "frontend", "evidence_label": "insufficient", "proficiency_label": "unknown"}, "meta": {"difficulty": "hard", "case_type": "missing_skill", "source": "synthetic_v002", "split": "heldout_locked", "label_status": "synthetic_needs_review"}}
{"id": "sj-v002-ho-0064", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Demonstrated expertise in incident response", "skill": "incident response", "group_id": "reliability_obs", "target_level": 4, "importance": "must"}, "evidence": [], "labels": {"group_id": "reliability_obs", "evidence_label": "insufficient", "proficiency_label": "unknown"}, "meta": {"difficulty": "easy", "case_type": "no_evidence", "source": "synthetic_v002", "split": "heldout_locked", "label_status": "synthetic_needs_review"}}
{"id": "sj-v002-ho-0065", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Demonstrated expertise in mentoring", "skill": "mentoring", "group_id": "leadership", "target_level": 4, "importance": "must"}, "evidence": [{"evidence_id": "sj-v002-ho-0065-e1", "section": "summary", "source_type": "cv", "text": "Hardworking and motivated, eager to grow."}], "labels": {"group_id": "leadership", "evidence_label": "insufficient", "proficiency_label": "unknown"}, "meta": {"difficulty": "easy", "case_type": "vague_claim", "source": "synthetic_v002", "split": "heldout_locked", "label_status": "synthetic_needs_review"}}
{"id": "sj-v002-ho-0066", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Demonstrated expertise in React", "skill": "React", "group_id": "frontend", "target_level": 4, "importance": "must"}, "evidence": [{"evidence_id": "sj-v002-ho-0066-e1", "section": "experience", "source_type": "cv", "text": "Org-wide owner of React: architected React micro-frontend platform for 6 teams; maintainer of a widely used open-source React library."}], "labels": {"group_id": "frontend", "evidence_label": "supported", "proficiency_label": "5"}, "meta": {"difficulty": "easy", "case_type": "expert", "source": "synthetic_v002", "split": "heldout_locked", "label_status": "synthetic_needs_review"}}
{"id": "sj-v002-ho-0067", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Demonstrated expertise in microservices", "skill": "microservices", "group_id": "system_design", "target_level": 4, "importance": "must"}, "evidence": [{"evidence_id": "sj-v002-ho-0067-e1", "section": "interview", "source_type": "interview", "text": "Interviewer: asked about microservices; candidate said they have zero experience with it."}], "labels": {"group_id": "system_design", "evidence_label": "contradicted", "proficiency_label": "0"}, "meta": {"difficulty": "easy", "case_type": "verified_none", "source": "synthetic_v002", "split": "heldout_locked", "label_status": "synthetic_needs_review"}}
{"id": "sj-v002-ho-0068", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Demonstrated expertise in Terraform", "skill": "Terraform", "group_id": "cloud_devops", "target_level": 3, "importance": "must"}, "evidence": [{"evidence_id": "sj-v002-ho-0068-e1", "section": "experience", "source_type": "cv", "text": "At a fintech scale-up I authored reusable Terraform modules used by 15 teams; this became the reference design for other teams."}], "labels": {"group_id": "cloud_devops", "evidence_label": "supported", "proficiency_label": "4"}, "meta": {"difficulty": "easy", "case_type": "direct_strong", "source": "synthetic_v002", "split": "heldout_locked", "label_status": "synthetic_needs_review"}}
{"id": "sj-v002-ho-0069", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Demonstrated expertise in API versioning", "skill": "API versioning", "group_id": "api_design", "target_level": 4, "importance": "must"}, "evidence": [{"evidence_id": "sj-v002-ho-0069-e1", "section": "skills_list", "source_type": "cv", "text": "Tech stack: API versioning | Slack | Confluence | Linux"}], "labels": {"group_id": "api_design", "evidence_label": "insufficient", "proficiency_label": "unknown"}, "meta": {"difficulty": "hard", "case_type": "keyword_only", "source": "synthetic_v002", "split": "heldout_locked", "label_status": "synthetic_needs_review"}}
{"id": "sj-v002-ho-0070", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Demonstrated expertise in Terraform", "skill": "Terraform", "group_id": "cloud_devops", "target_level": 3, "importance": "must"}, "evidence": [{"evidence_id": "sj-v002-ho-0070-e1", "section": "summary", "source_type": "cv", "text": "Backend engineer building Java services deployed by a separate ops team to VMs. Interests: hiking, chess."}], "labels": {"group_id": "cloud_devops", "evidence_label": "insufficient", "proficiency_label": "unknown"}, "meta": {"difficulty": "hard", "case_type": "missing_skill", "source": "synthetic_v002", "split": "heldout_locked", "label_status": "synthetic_needs_review"}}
{"id": "sj-v003-rho-0001", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Strong Redis skills", "skill": "Redis", "group_id": "data_storage", "target_level": 3, "importance": "must"}, "evidence": [{"evidence_id": "sj-v003-rho-0001-e1", "section": "cv_excerpt", "source_type": "cv", "text": "MI1 • Front-end developer - 10 months Developed an adaptive and responsive app from scratch that enables users to book parking spots for events. Developed pages and reusable components used best practice in Next.js and  SCSS, described it in the Storybook and covered them with Unit tests."}], "labels": {"group_id": "data_storage", "evidence_label": "insufficient", "proficiency_label": "unknown"}, "meta": {"difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "597d753d-d1cc-5305-85a8-169e2b352f76", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "heldout_locked", "label_status": "agent_reviewed_needs_expert_review"}}
{"id": "sj-v003-rho-0002", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Strong code review skills", "skill": "code review", "group_id": "testing_quality", "target_level": 3, "importance": "must"}, "evidence": [{"evidence_id": "sj-v003-rho-0002-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Designed scalable data processing solutions capable of accommodating exponential data growth. Collected TBs of data from different sources. In my current projects, I have processed substantial amounts of data, reaching hundreds of gigabytes."}], "labels": {"group_id": "testing_quality", "evidence_label": "insufficient", "proficiency_label": "unknown"}, "meta": {"difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "7bc0a3f9-9b4c-51ac-a156-37f1622c2aea", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "heldout_locked", "label_status": "agent_reviewed_needs_expert_review"}}
{"id": "sj-v003-rho-0003", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Python experience", "skill": "Python", "group_id": "lang_core", "target_level": 4, "importance": "must"}, "evidence": [{"evidence_id": "sj-v003-rho-0003-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Designed and implemented different projects using following technologies: C++, C, Python, C#;"}], "labels": {"group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "unknown"}, "meta": {"difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "b1994fd0-8bf6-5dc8-8e60-81b57fdadf58", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "heldout_locked", "label_status": "agent_reviewed_needs_expert_review"}}
{"id": "sj-v003-rho-0004", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Strong Java skills", "skill": "Java", "group_id": "lang_core", "target_level": 4, "importance": "must"}, "evidence": [{"evidence_id": "sj-v003-rho-0004-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Over 5 years experience as a Java Developer in OOD, testing, and support of Enterprise applications using Spring framework."}], "labels": {"group_id": "lang_core", "evidence_label": "supported", "proficiency_label": "3"}, "meta": {"difficulty": "hard", "case_type": "real_years_hands_on", "source": "djinni_cv_en", "source_record": "4d500bb2-2ab3-5e77-be75-249ca78b9ce9", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "heldout_locked", "label_status": "agent_reviewed_needs_expert_review"}}
{"id": "sj-v003-rho-0005", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Proven Java in production", "skill": "Java", "group_id": "lang_core", "target_level": 4, "importance": "must"}, "evidence": [{"evidence_id": "sj-v003-rho-0005-e1", "section": "cv_excerpt", "source_type": "cv", "text": "I did a mentorship program in Java programming for Baku Higher School's students under the Programming Club at BHOS for a year."}], "labels": {"group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "2"}, "meta": {"difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "a00292d1-e827-5b49-9856-0c46ffcf3d9e", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "heldout_locked", "label_status": "agent_reviewed_needs_expert_review"}}
{"id": "sj-v003-rho-0006", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Proven C#/.NET in production", "skill": "C#/.NET", "group_id": "lang_core", "target_level": 3, "importance": "must"}, "evidence": [{"evidence_id": "sj-v003-rho-0006-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Worked on 3D VR Room Staging project (C# Unity), which"}], "labels": {"group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "2"}, "meta": {"difficulty": "hard", "case_type": "real_hands_on", "source": "djinni_cv_en", "source_record": "ab3d80cd-4725-5d54-b83d-54e8f0721397", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "heldout_locked", "label_status": "agent_reviewed_needs_expert_review"}}
{"id": "sj-v003-rho-0007", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Proven Docker in production", "skill": "Docker", "group_id": "cloud_devops", "target_level": 4, "importance": "must"}, "evidence": [{"evidence_id": "sj-v003-rho-0007-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Know DevOps and networking basics, have experience in working with Linux, Docker, Docker-Compose, MySql, Terraform, Jenkins and GitHub actions, have basic understanding of Ansible, AWS and Prometheus."}], "labels": {"group_id": "cloud_devops", "evidence_label": "partial", "proficiency_label": "2"}, "meta": {"difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "b67db308-c0a9-5fad-91b2-1a9c4a8aaa7d", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "heldout_locked", "label_status": "agent_reviewed_needs_expert_review"}}
{"id": "sj-v003-rho-0008", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Strong C#/.NET skills", "skill": "C#/.NET", "group_id": "lang_core", "target_level": 4, "importance": "must"}, "evidence": [{"evidence_id": "sj-v003-rho-0008-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Ending .NET/C# courses with diploma."}], "labels": {"group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "1"}, "meta": {"difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "3eff9042-f57d-5500-994b-1aec2df7ef12", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "heldout_locked", "label_status": "agent_reviewed_needs_expert_review"}}
{"id": "sj-v003-rho-0009", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "MongoDB experience", "skill": "MongoDB", "group_id": "data_storage", "target_level": 4, "importance": "must"}, "evidence": [{"evidence_id": "sj-v003-rho-0009-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Experience with creating the architecture of a complicated information system processing real-time financial data, and its development as a product owner I have an experience of 16 years in finance and software development for financial markets, developed financial software in person and in a professional team as a product owner. As a project manager, I was in charge of cooperation with US vendors, worked on the improvement of business processes, participated in hiring"}], "labels": {"group_id": "data_storage", "evidence_label": "insufficient", "proficiency_label": "unknown"}, "meta": {"difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "d8b50ce6-c9a1-5e47-baf7-fe817dae134b", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "heldout_locked", "label_status": "agent_reviewed_needs_expert_review"}}
{"id": "sj-v003-rho-0010", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Proven CI/CD in production", "skill": "CI/CD", "group_id": "cloud_devops", "target_level": 4, "importance": "must"}, "evidence": [{"evidence_id": "sj-v003-rho-0010-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Successfully reduced deployment time for a critical project by 50% through optimizing Dockerfile configuration and improving the efficiency of the CI/CD pipeline"}], "labels": {"group_id": "cloud_devops", "evidence_label": "supported", "proficiency_label": "3"}, "meta": {"difficulty": "hard", "case_type": "real_strong_ownership", "source": "djinni_cv_en", "source_record": "60fda6ce-919c-5b60-a149-57cc2507bed9", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "heldout_locked", "label_status": "agent_reviewed_needs_expert_review"}}
{"id": "sj-v003-rho-0011", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Proven MySQL in production", "skill": "MySQL", "group_id": "data_storage", "target_level": 4, "importance": "must"}, "evidence": [{"evidence_id": "sj-v003-rho-0011-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Becoming a fully qualified accountant under the ACCA in London, United Kingdom. For ten years, I worked in London as a qualified accountant in audit and financial services for companies such as Ernst and Young, PriceWaterhouseCoopers, Lloyds Bank and NatWest bank. This meant I constantly had to communicate with Chief Executive Officers, Financial Directors, Partners and managers of all levels constantly."}], "labels": {"group_id": "data_storage", "evidence_label": "insufficient", "proficiency_label": "unknown"}, "meta": {"difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "f42166af-4ea8-5135-af9a-44f4c5f2ba9a", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "heldout_locked", "label_status": "agent_reviewed_needs_expert_review"}}
{"id": "sj-v003-rho-0012", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Strong mentoring skills", "skill": "mentoring", "group_id": "leadership", "target_level": 3, "importance": "must"}, "evidence": [{"evidence_id": "sj-v003-rho-0012-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Mentored 2 sales managers in our team and improved their productivity by 40%."}], "labels": {"group_id": "leadership", "evidence_label": "partial", "proficiency_label": "2"}, "meta": {"difficulty": "hard", "case_type": "real_strong_ownership", "source": "djinni_cv_en", "source_record": "2249947c-4ccf-56f0-a02f-c5086ad9c631", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "heldout_locked", "label_status": "agent_reviewed_needs_expert_review"}}
{"id": "sj-v003-rho-0013", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Proven unit testing in production", "skill": "unit testing", "group_id": "testing_quality", "target_level": 4, "importance": "must"}, "evidence": [{"evidence_id": "sj-v003-rho-0013-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Actively learning and deepening my knowledge in the field of frontend development. Striving to constantly improve my skills and apply them in practical tasks. Ready for new challenges and growth as a professional in this field."}], "labels": {"group_id": "testing_quality", "evidence_label": "insufficient", "proficiency_label": "unknown"}, "meta": {"difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "8e593091-c893-5d1a-b4fe-50ed52921933", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "heldout_locked", "label_status": "agent_reviewed_needs_expert_review"}}
{"id": "sj-v003-rho-0014", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Proven Python in production", "skill": "Python", "group_id": "lang_core", "target_level": 3, "importance": "must"}, "evidence": [{"evidence_id": "sj-v003-rho-0014-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Languages: JavaScript, HTML, CSS, Python, SQL"}], "labels": {"group_id": "lang_core", "evidence_label": "insufficient", "proficiency_label": "unknown"}, "meta": {"difficulty": "hard", "case_type": "real_keyword_list", "source": "djinni_cv_en", "source_record": "b92d0d33-a2dd-576a-b2ad-d047a7aa86fe", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "heldout_locked", "label_status": "agent_reviewed_needs_expert_review"}}
{"id": "sj-v003-rho-0015", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Python experience", "skill": "Python", "group_id": "lang_core", "target_level": 3, "importance": "must"}, "evidence": [{"evidence_id": "sj-v003-rho-0015-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Technology: AWS PaaS, AWS Glue, AWS RDS,  Spark,  Python"}], "labels": {"group_id": "lang_core", "evidence_label": "insufficient", "proficiency_label": "unknown"}, "meta": {"difficulty": "hard", "case_type": "real_keyword_list", "source": "djinni_cv_en", "source_record": "6db1f1f7-4dd8-55fa-804e-acf8eab8af95", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "heldout_locked", "label_status": "agent_reviewed_needs_expert_review"}}
{"id": "sj-v003-rho-0016", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Proven React in production", "skill": "React", "group_id": "frontend", "target_level": 4, "importance": "must"}, "evidence": [{"evidence_id": "sj-v003-rho-0016-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Identification and fraud prevention through internet channel; Ensuring online customer registration, orders and account updates are processed in timely manner before the cut-off time to secure smooth and timely delivery  of the orders. work on implementation of Business Order Administration objectives, in line with NBS strategy"}], "labels": {"group_id": "frontend", "evidence_label": "insufficient", "proficiency_label": "unknown"}, "meta": {"difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "6de2fa08-144f-5b71-97f1-5fde1cb3b358", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "heldout_locked", "label_status": "agent_reviewed_needs_expert_review"}}
{"id": "sj-v003-rho-0017", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Proven Kubernetes in production", "skill": "Kubernetes", "group_id": "cloud_devops", "target_level": 3, "importance": "must"}, "evidence": [{"evidence_id": "sj-v003-rho-0017-e1", "section": "cv_excerpt", "source_type": "cv", "text": "The introduction of the mechanism reduced the company's losses from credit card fraud by ~ 75% Holding the position of affiliate manager and efficiently worked with a team of developers and testers to localize and adapt the website to Polish and Swedish. Successfully gained new customers and established strong relationships with several foreign partners after the introduction of the localized websites."}], "labels": {"group_id": "cloud_devops", "evidence_label": "insufficient", "proficiency_label": "unknown"}, "meta": {"difficulty": "hard", "case_type": "real_missing_skill", "source": "djinni_cv_en", "source_record": "5f9ed516-05ea-56fa-871f-6a7d0486474d", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "heldout_locked", "label_status": "agent_reviewed_needs_expert_review"}}
{"id": "sj-v003-rho-0018", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Strong Python skills", "skill": "Python", "group_id": "lang_core", "target_level": 4, "importance": "must"}, "evidence": [{"evidence_id": "sj-v003-rho-0018-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Covered basic data types including arrays, conditional statements and loops on Python."}], "labels": {"group_id": "lang_core", "evidence_label": "partial", "proficiency_label": "1"}, "meta": {"difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "2d165f4d-3eea-577b-992c-1b43fa30a5f4", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "heldout_locked", "label_status": "agent_reviewed_needs_expert_review"}}
{"id": "sj-v003-rho-0019", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Proven React in production", "skill": "React", "group_id": "frontend", "target_level": 4, "importance": "must"}, "evidence": [{"evidence_id": "sj-v003-rho-0019-e1", "section": "cv_excerpt", "source_type": "cv", "text": "I see self-development in learning Vue/Angular/React Native if they would be on your projects."}], "labels": {"group_id": "frontend", "evidence_label": "insufficient", "proficiency_label": "unknown"}, "meta": {"difficulty": "hard", "case_type": "real_learning", "source": "djinni_cv_en", "source_record": "2de76d2d-16d0-5cfb-8279-51b966729db6", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "heldout_locked", "label_status": "agent_reviewed_needs_expert_review"}}
{"id": "sj-v003-rho-0020", "schema_version": "0.1", "taxonomy_version": "0.1", "requirement": {"text": "Strong Node.js skills", "skill": "Node.js", "group_id": "lang_core", "target_level": 3, "importance": "must"}, "evidence": [{"evidence_id": "sj-v003-rho-0020-e1", "section": "cv_excerpt", "source_type": "cv", "text": "Technologies: Dart, Flutter (iOS, Android), Swift, NodeJS, SQL, Oracle."}], "labels": {"group_id": "lang_core", "evidence_label": "insufficient", "proficiency_label": "unknown"}, "meta": {"difficulty": "hard", "case_type": "real_keyword_list", "source": "djinni_cv_en", "source_record": "08edb331-776c-5ca7-9bb9-a791e32e3408", "source_license": "MIT (lang-uk/recruitment-dataset-candidate-profiles-english)", "split": "heldout_locked", "label_status": "agent_reviewed_needs_expert_review"}}