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          "display_name": "Web Developer",
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      ]
    },
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        "display_name": "API Interface and Contract Design",
        "id": 289,
        "rationale": "Designing backend service interfaces and contracts that other systems consume, including endpoint and operation shape, request/response payloads, schema and validation, pagination, filtering, idempotency, versioning, status codes, and backward compatibility across REST, GraphQL, gRPC, and OpenAPI-based APIs.",
        "slug": "api-interface-and-contract-design",
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    },
    {
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        "display_name": "External System Integrations",
        "id": 14,
        "rationale": "Connecting backend services to third-party APIs and internal enterprise systems. This includes client libraries, webhooks, retries, data mapping, and integration failure handling.",
        "slug": "external-system-integrations",
        "source": "db"
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      "input_skill": "GraphQL",
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          "rationale": null,
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          "role_archetype": "Engineering",
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          "display_name": "Scala Backend Developer",
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        "rationale": "Working effectively with operational relational databases from Go backend services. This includes schema-aware querying, indexing awareness, transactions, and understanding how service code interacts with PostgreSQL or similar systems.",
        "slug": "relational-database-usage",
        "source": "db"
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        "display_name": "Magento Search and Indexing",
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        "rationale": "Index-driven storefront data freshness and search behavior. This cluster is coherent because Magento commerce sites depend on indexing to keep catalog, price, and search results aligned with changing data.",
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      "input_skill": "Elasticsearch",
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        "slug": "search-and-content-discovery",
        "source": "db"
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      "input_skill": "Elasticsearch",
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      "roles_from_db": [
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          "display_name": "Drupal Dev",
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          "rationale": null,
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        {
          "display_name": "Sitecore Dev",
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          "rationale": null,
          "role_archetype": "Engineering",
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    {
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        "rationale": "Techniques and systems for reducing latency and managing ephemeral backend state. Covers cache-aside patterns, distributed caches, session stores, and invalidation strategies.",
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      "input_skill": "Redis",
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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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          "rationale": null,
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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",
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          "display_name": "Ruby Backend Developer",
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          "display_name": "Scala Backend Developer",
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      ]
    },
    {
      "dimension": {
        "difficulty_hint": "well_known",
        "display_name": "Magento Caching and Performance",
        "id": 404,
        "rationale": "Performance tuning specific to Magento storefronts and their rendering pipeline. This includes cache layers, page generation costs, and practical optimizations that preserve upgradeability while improving shopper experience.",
        "slug": "magento-caching-and-performance",
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      "input_skill": "Redis",
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      "input_skill": "Webpack",
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          "rationale": null,
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          "rationale": null,
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          "display_name": "Web Developer",
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      "dimension": {
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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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      "input_skill": "Webpack",
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      "roles_from_db": [
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          "display_name": "DevOps Engineer",
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          "rationale": null,
          "role_archetype": null,
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        {
          "display_name": "Ionic Developer",
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    },
    {
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        "rationale": "Tooling that compiles, transforms, and packages frontend assets for development and production. This is a coherent cluster because frontend engineers frequently tune build pipelines and module output.",
        "slug": "build-tooling-and-bundlers",
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      "input_skill": "Vite",
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      "roles_from_db": [
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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,
          "role_archetype": null,
          "slug": "frontend-engineer",
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          "display_name": "React Frontend Developer",
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          "rationale": null,
          "role_archetype": "Engineering",
          "slug": "react-frontend-developer",
          "source": "db"
        },
        {
          "display_name": "Svelte Frontend Developer",
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          "rationale": null,
          "role_archetype": "Engineering",
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          "source": "db"
        },
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          "display_name": "Vue Frontend Developer",
          "id": 91,
          "rationale": null,
          "role_archetype": "Engineering",
          "slug": "vue-frontend-developer",
          "source": "db"
        },
        {
          "display_name": "Web Developer",
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