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        "rationale": "Transport-layer systems used to move events and decouple producers from consumers. Data engineers use these systems to ingest, buffer, and distribute event data before downstream processing.",
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        {
          "display_name": "Data Engineer",
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    },
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        "id": 286,
        "rationale": "Project build, packaging, and dependency resolution skills used to compile and assemble Java services. This cluster matters because backend delivery depends on reproducible builds and controlled library versions.",
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        "source": "db"
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      "input_skill": "Maven",
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        "difficulty_hint": "well_known",
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        "rationale": "Tooling used to compile, package, and prepare Ionic apps for development and release. This cluster is coherent because Ionic developers often manage web assets, native wrappers, and environment-specific build outputs.",
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        "source": "db"
      },
      "input_skill": "Maven",
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          "display_name": "DevOps Engineer",
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          "slug": "devops-engineer",
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        {
          "display_name": "Ionic Developer",
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          "rationale": null,
          "role_archetype": null,
          "slug": "ionic-developer",
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        "difficulty_hint": "well_known",
        "display_name": "Containerization and Image Builds",
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        "rationale": "Container image creation, tagging, hardening, and registry workflows used to package services for deployment. This is coherent because DevOps often owns the build-to-image path that feeds runtime environments.",
        "slug": "containerization-and-image-builds",
        "source": "db"
      },
      "input_skill": "Docker",
      "llm_role": null,
      "roles_from_db": [
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          "display_name": "DevOps Engineer",
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          "rationale": null,
          "role_archetype": null,
          "slug": "devops-engineer",
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        "difficulty_hint": "well_known",
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        "rationale": "Platform-as-a-Service and container environments for deploying Ruby applications.",
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        "source": "db"
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      "input_skill": "Docker",
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        "rationale": "Configuration and release artifacts that control how backend services run in environments. Includes environment variables, manifests, feature flags, and release-safe configuration management.",
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        "source": "db"
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      "input_skill": "Docker",
      "llm_role": null,
      "roles_from_db": [
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          "display_name": ".NET Backend Developer",
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          "rationale": null,
          "role_archetype": "Engineering",
          "slug": "dotnet-backend-developer",
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        },
        {
          "display_name": "Backend Developer",
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          "role_archetype": "A Backend Engineer designs, builds, and maintains the server-side logic and data handling that power applications and services. They focus on implementing reliable business functionality, integrating with other systems, and ensuring the backend is scalable, maintainable, and observable.",
          "slug": "backend-engineer",
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        },
        {
          "display_name": "Go Backend Developer",
          "id": 81,
          "rationale": null,
          "role_archetype": "Engineering",
          "slug": "go-backend-developer",
          "source": "db"
        },
        {
          "display_name": "PHP Backend Developer",
          "id": 86,
          "rationale": null,
          "role_archetype": "Engineering",
          "slug": "php-backend-developer",
          "source": "db"
        }
      ]
    },
    {
      "dimension": {
        "difficulty_hint": "well_known",
        "display_name": "CI/CD Pipeline Platforms",
        "id": 150,
        "rationale": "Systems used to define, run, and maintain automated build and deployment workflows. This cluster is coherent because the role owns delivery automation end to end, including pipeline reliability and promotion logic.",
        "slug": "ci-cd-pipeline-platforms",
        "source": "db"
      },
      "input_skill": "Jenkins",
      "llm_role": null,
      "roles_from_db": [
        {
          "display_name": "DevOps Engineer",
          "id": 10,
          "rationale": null,
          "role_archetype": null,
          "slug": "devops-engineer",
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      ]
    },
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        "difficulty_hint": "well_known",
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        "rationale": "Tools and platforms for automating ML model integration, testing, and deployment pipelines.",
        "slug": "ci-cd-for-machine-learning",
        "source": "db"
      },
      "input_skill": "Jenkins",
      "llm_role": null,
      "roles_from_db": [
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          "display_name": "ML Engineer",
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          "rationale": null,
          "role_archetype": null,
          "slug": "ml-engineer",
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        "difficulty_hint": "well_known",
        "display_name": "CI/CD Pipeline Platforms",
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        "rationale": "Systems used to define, run, and maintain automated build and deployment workflows. This cluster is coherent because the role owns delivery automation end to end, including pipeline reliability and promotion logic.",
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        "source": "db"
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          "slug": "ml-engineer",
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        "display_name": "Flutter Testing Frameworks",
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        "rationale": "Testing tools and practices used to validate Flutter widgets, interactions, and integration behavior. This cluster is coherent because Flutter developers need fast feedback on UI logic, state transitions, and service wiring.",
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        "source": "db"
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      "input_skill": "Mockito",
      "llm_role": null,
      "roles_from_db": [
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          "rationale": null,
          "role_archetype": "Engineering",
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        "display_name": "Testing and Verification",
        "id": 284,
        "rationale": "Automated checks used to validate Java backend behavior across unit, integration, and service boundaries. This cluster covers test design, fixtures, mocks, and regression coverage for backend changes.",
        "slug": "testing-and-verification",
        "source": "db"
      },
      "input_skill": "Mockito",
      "llm_role": null,
      "roles_from_db": [
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          "display_name": "Go Backend Developer",
          "id": 81,
          "rationale": null,
          "role_archetype": "Engineering",
          "slug": "go-backend-developer",
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        },
        {
          "display_name": "Java Backend Developer",
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          "rationale": null,
          "role_archetype": "Engineering",
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        },
        {
          "display_name": "Kotlin Backend Developer",
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          "rationale": null,
          "role_archetype": "Engineering",
          "slug": "kotlin-server-backend-developer",
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        },
        {
          "display_name": "Ruby Backend Developer",
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          "rationale": null,
          "role_archetype": "Engineering",
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      ]
    },
    {
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        "source": "db"
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      "input_skill": "Testcontainers",
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      "roles_from_db": [
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        {
          "display_name": "Node.js Backend Developer",
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          "rationale": null,
          "role_archetype": "Engineering",
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          "display_name": "PHP Backend Developer",
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          "rationale": null,
          "role_archetype": "Engineering",
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        },
        {
          "display_name": "Python Backend Developer",
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          "rationale": null,
          "role_archetype": "Engineering",
          "slug": "python-backend-developer",
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        {
          "display_name": "Scala Backend Developer",
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          "rationale": null,
          "role_archetype": "Engineering",
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      ]
    },
    {
      "dimension": {
        "difficulty_hint": "well_known",
        "display_name": "Testing and Verification",
        "id": 284,
        "rationale": "Automated checks used to validate Java backend behavior across unit, integration, and service boundaries. This cluster covers test design, fixtures, mocks, and regression coverage for backend changes.",
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        "source": "db"
      },
      "input_skill": "Testcontainers",
      "llm_role": null,
      "roles_from_db": [
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          "display_name": "Go Backend Developer",
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          "rationale": null,
          "role_archetype": "Engineering",
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        },
        {
          "display_name": "Java Backend Developer",
          "id": 79,
          "rationale": null,
          "role_archetype": "Engineering",
          "slug": "java-backend-developer",
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        },
        {
          "display_name": "Kotlin Backend Developer",
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          "rationale": null,
          "role_archetype": "Engineering",
          "slug": "kotlin-server-backend-developer",
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        {
          "display_name": "Ruby Backend Developer",
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          "rationale": null,
          "role_archetype": "Engineering",
          "slug": "ruby-backend-developer",
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      ]
    },
    {
      "dimension": {
        "difficulty_hint": "well_known",
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        "rationale": "Architectural patterns for decomposed backend systems and the operational concerns they introduce. Covers service boundaries, consistency tradeoffs, retries, circuit breakers, and distributed coordination.",
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        "source": "db"
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      "input_skill": "Microservices",
      "llm_role": null,
      "roles_from_db": [
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          "display_name": "Backend Developer",
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          "role_archetype": "A Backend Engineer designs, builds, and maintains the server-side logic and data handling that power applications and services. They focus on implementing reliable business functionality, integrating with other systems, and ensuring the backend is scalable, maintainable, and observable.",
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          "display_name": "Node.js Backend Developer",
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          "rationale": null,
          "role_archetype": "Engineering",
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          "display_name": "Scala Backend Developer",
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        "rationale": "Designing request/response shapes and the rules that govern client-server interaction. This cluster is coherent because full stack engineers often own the contract between UI behavior and backend implementation.",
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      "input_skill": "REST",
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        {
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          "role_archetype": null,
          "slug": "full-stack-engineer",
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        "slug": "api-interface-and-contract-design",
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      "input_skill": "REST",
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          "display_name": ".NET Backend Developer",
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          "display_name": "Node.js Backend Developer",
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          "role_archetype": "Engineering",
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          "display_name": "PHP Backend Developer",
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          "display_name": "Python Backend Developer",
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          "rationale": null,
          "role_archetype": "Engineering",
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        "display_name": "Integration Protocols \u0026 Standards",
        "id": 271,
        "rationale": "Standards and protocols for integrating Pega applications.",
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        "source": "db"
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      "input_skill": "REST",
      "llm_role": null,
      "roles_from_db": [
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          "display_name": "Pega Developer",
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          "rationale": null,
          "role_archetype": null,
          "slug": "pega-developer",
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      ]
    },
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      "dimension": {
        "difficulty_hint": "well_known",
        "display_name": "Standards \u0026 Protocols Compliance",
        "id": 452,
        "rationale": "Encompasses key web and data standards, protocols, and compliance requirements relevant to Sitecore implementations.",
        "slug": "standards-protocols-compliance",
        "source": "db"
      },
      "input_skill": "REST",
      "llm_role": null,
      "roles_from_db": [
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          "display_name": "Sitecore Dev",
          "id": 233,
          "rationale": null,
          "role_archetype": "Engineering",
          "slug": "sitecore-dev",
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      ]
    },
    {
      "dimension": {
        "difficulty_hint": "well_known",
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        "slug": "api-integration-and-data-fetching",
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      "input_skill": "JSON",
      "llm_role": null,
      "roles_from_db": [
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          "display_name": "Angular Frontend Developer",
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          "rationale": null,
          "role_archetype": "Engineering",
          "slug": "angular-frontend-developer",
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        {
          "display_name": "Frontend Developer",
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          "rationale": null,
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          "slug": "frontend-engineer",
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          "display_name": "Fullstack Developer",
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          "display_name": "Web Developer",
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          "role_archetype": "Engineering",
          "slug": "kotlin-server-backend-developer",
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          "rationale": null,
          "role_archetype": "Engineering",
          "slug": "node-backend-developer",
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          "display_name": "PHP Backend Developer",
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        "dimension_id": 371,
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        "outcome_line": "Existing dimension (library) \u00b7 Role\u2194dimension skipped (dimension not under chosen role)",
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          "source": "db"
        },
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          {
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            "slug": "data-engineer",
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        "matched_chosen_role": false,
        "outcome_line": "Existing dimension (library) \u00b7 Role\u2194dimension skipped (dimension not under chosen role)",
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        "roles_from_db": [
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            "slug": "data-engineer",
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        "skipped_reason": null
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          "display_name": "Build and Dependency Management",
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          "rationale": "Project build, packaging, and dependency resolution skills used to compile and assemble Java services. This cluster matters because backend delivery depends on reproducible builds and controlled library versions.",
          "slug": "build-and-dependency-management",
          "source": "db"
        },
        "dimension_id": 286,
        "input_skill": "Maven",
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        "outcome_line": "Existing dimension (library) \u00b7 Role\u2194dimension skipped (dimension not under chosen role)",
        "role_dimension_saved": false,
        "roles_from_db": [
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        "skill_id": 815,
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          "display_name": "Build and Packaging Tooling",
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          "rationale": "Tooling used to compile, package, and prepare Ionic apps for development and release. This cluster is coherent because Ionic developers often manage web assets, native wrappers, and environment-specific build outputs.",
          "slug": "build-and-packaging-tooling",
          "source": "db"
        },
        "dimension_id": 149,
        "input_skill": "Maven",
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        "outcome_line": "Existing dimension (library) \u00b7 Role\u2194dimension skipped (dimension not under chosen role)",
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        "roles_from_db": [
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            "rationale": null,
            "role_archetype": null,
            "slug": "devops-engineer",
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          {
            "display_name": "Ionic Developer",
            "id": 434,
            "rationale": null,
            "role_archetype": null,
            "slug": "ionic-developer",
            "source": "db"
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        "skill_id": 815,
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        "skipped_reason": null
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          "rationale": "Container image creation, tagging, hardening, and registry workflows used to package services for deployment. This is coherent because DevOps often owns the build-to-image path that feeds runtime environments.",
          "slug": "containerization-and-image-builds",
          "source": "db"
        },
        "dimension_id": 152,
        "input_skill": "Docker",
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        "outcome_line": "Existing dimension (library) \u00b7 Role\u2194dimension skipped (dimension not under chosen role)",
        "role_dimension_saved": false,
        "roles_from_db": [
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            "display_name": "DevOps Engineer",
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        "skill_id": 61,
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          "rationale": "Platform-as-a-Service and container environments for deploying Ruby applications.",
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          "source": "db"
        },
        "dimension_id": 418,
        "input_skill": "Docker",
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        "matched_chosen_role": false,
        "outcome_line": "Existing dimension (library) \u00b7 Role\u2194dimension skipped (dimension not under chosen role)",
        "role_dimension_saved": false,
        "roles_from_db": [
          {
            "display_name": "Ruby Backend Developer",
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            "rationale": null,
            "role_archetype": "Engineering",
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        "skipped_reason": null
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          "rationale": "Configuration and release artifacts that control how backend services run in environments. Includes environment variables, manifests, feature flags, and release-safe configuration management.",
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          "source": "db"
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        "input_skill": "Docker",
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        "matched_chosen_role": true,
        "outcome_line": "Existing dimension (library) \u00b7 Role\u2194dimension saved",
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        "roles_from_db": [
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            "display_name": ".NET Backend Developer",
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            "rationale": null,
            "role_archetype": "Engineering",
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            "display_name": "Backend Developer",
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          {
            "display_name": "Go Backend Developer",
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            "rationale": null,
            "role_archetype": "Engineering",
            "slug": "go-backend-developer",
            "source": "db"
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            "display_name": "PHP Backend Developer",
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            "rationale": null,
            "role_archetype": "Engineering",
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          "rationale": "Systems used to define, run, and maintain automated build and deployment workflows. This cluster is coherent because the role owns delivery automation end to end, including pipeline reliability and promotion logic.",
          "slug": "ci-cd-pipeline-platforms",
          "source": "db"
        },
        "dimension_id": 150,
        "input_skill": "Jenkins",
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        "outcome_line": "Existing dimension (library) \u00b7 Role\u2194dimension skipped (dimension not under chosen role)",
        "role_dimension_saved": false,
        "roles_from_db": [
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            "display_name": "DevOps Engineer",
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            "role_archetype": null,
            "slug": "devops-engineer",
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        "skill_dimension_saved": true,
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        "matched_chosen_role": false,
        "outcome_line": "Existing dimension (library) \u00b7 Role\u2194dimension skipped (dimension not under chosen role)",
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        "roles_from_db": [
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            "slug": "ml-engineer",
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          "source": "db"
        },
        "dimension_id": 150,
        "input_skill": "CI/CD",
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        "matched_chosen_role": false,
        "outcome_line": "Existing dimension (library) \u00b7 Role\u2194dimension skipped (dimension not under chosen role)",
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        "roles_from_db": [
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            "display_name": "DevOps Engineer",
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            "slug": "devops-engineer",
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        ],
        "skill_dimension_saved": true,
        "skill_id": 1190,
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          "slug": "ci-cd-for-machine-learning",
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        "dimension_id": 56,
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        "matched_chosen_role": false,
        "outcome_line": "Existing dimension (library) \u00b7 Role\u2194dimension skipped (dimension not under chosen role)",
        "role_dimension_saved": false,
        "roles_from_db": [
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          "display_name": "Flutter Testing Frameworks",
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          "rationale": "Testing tools and practices used to validate Flutter widgets, interactions, and integration behavior. This cluster is coherent because Flutter developers need fast feedback on UI logic, state transitions, and service wiring.",
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          "source": "db"
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        "dimension_id": 324,
        "input_skill": "Mockito",
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        "matched_chosen_role": false,
        "outcome_line": "Existing dimension (library) \u00b7 Role\u2194dimension skipped (dimension not under chosen role)",
        "role_dimension_saved": false,
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        ],
        "skill_dimension_saved": true,
        "skill_id": 2271,
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          "rationale": "Automated checks used to validate Java backend behavior across unit, integration, and service boundaries. This cluster covers test design, fixtures, mocks, and regression coverage for backend changes.",
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          "source": "db"
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        "dimension_id": 284,
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        "outcome_line": "Existing dimension (library) \u00b7 Role\u2194dimension skipped (dimension not under chosen role)",
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            "role_archetype": "Engineering",
            "slug": "kotlin-server-backend-developer",
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            "role_archetype": "Engineering",
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          "slug": "testing-and-quality-assurance",
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        "dimension_id": 12,
        "input_skill": "Testcontainers",
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        "outcome_line": "Existing dimension (library) \u00b7 Role\u2194dimension saved",
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        "roles_from_db": [
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            "display_name": "Node.js Backend Developer",
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          {
            "display_name": "Python Backend Developer",
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            "display_name": "Scala Backend Developer",
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            "role_archetype": "Engineering",
            "slug": "scala-backend-developer",
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        "skill_dimension_saved": true,
        "skill_id": 2273,
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          "rationale": "Automated checks used to validate Java backend behavior across unit, integration, and service boundaries. This cluster covers test design, fixtures, mocks, and regression coverage for backend changes.",
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          "source": "db"
        },
        "dimension_id": 284,
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        "outcome_line": "Existing dimension (library) \u00b7 Role\u2194dimension skipped (dimension not under chosen role)",
        "role_dimension_saved": false,
        "roles_from_db": [
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            "display_name": "Java Backend Developer",
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            "display_name": "Kotlin Backend Developer",
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            "role_archetype": "Engineering",
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        ],
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      {
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          "rationale": "Architectural patterns for decomposed backend systems and the operational concerns they introduce. Covers service boundaries, consistency tradeoffs, retries, circuit breakers, and distributed coordination.",
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          "source": "db"
        },
        "dimension_id": 9,
        "input_skill": "Microservices",
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        "matched_chosen_role": true,
        "outcome_line": "Existing dimension (library) \u00b7 Role\u2194dimension saved",
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        "roles_from_db": [
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            "role_archetype": "A Backend Engineer designs, builds, and maintains the server-side logic and data handling that power applications and services. They focus on implementing reliable business functionality, integrating with other systems, and ensuring the backend is scalable, maintainable, and observable.",
            "slug": "backend-engineer",
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          {
            "display_name": "Node.js Backend Developer",
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            "rationale": null,
            "role_archetype": "Engineering",
            "slug": "node-backend-developer",
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          {
            "display_name": "Scala Backend Developer",
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            "rationale": null,
            "role_archetype": "Engineering",
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        "skill_dimension_saved": true,
        "skill_id": 41,
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      {
        "chosen_role_id": 1,
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          "difficulty_hint": "well_known",
          "display_name": "API Design and Contracts",
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          "rationale": "Designing request/response shapes and the rules that govern client-server interaction. This cluster is coherent because full stack engineers often own the contract between UI behavior and backend implementation.",
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          "source": "db"
        },
        "dimension_id": 3,
        "input_skill": "REST",
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        "matched_chosen_role": true,
        "outcome_line": "Existing dimension (library) \u00b7 Role\u2194dimension saved",
        "role_dimension_saved": true,
        "roles_from_db": [
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            "display_name": "Backend Developer",
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            "rationale": null,
            "role_archetype": "A Backend Engineer designs, builds, and maintains the server-side logic and data handling that power applications and services. They focus on implementing reliable business functionality, integrating with other systems, and ensuring the backend is scalable, maintainable, and observable.",
            "slug": "backend-engineer",
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          },
          {
            "display_name": "Fullstack Developer",
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            "rationale": null,
            "role_archetype": null,
            "slug": "full-stack-engineer",
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        ],
        "skill_dimension_saved": true,
        "skill_id": 11,
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