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        {
          "display_name": "Native Mobile Developer",
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        {
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          "display_name": "iOS Developer",
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        "display_name": "State Management Patterns",
        "id": 116,
        "rationale": "Client-side state organization for forms, UI interactions, cached data, and cross-component coordination. This cluster is coherent because frontend work often hinges on predictable state transitions and data flow.",
        "slug": "state-management-patterns",
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      "llm_role": null,
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        },
        {
          "display_name": "Frontend Developer",
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          "rationale": null,
          "role_archetype": null,
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        {
          "display_name": "Ionic Developer",
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          "role_archetype": null,
          "slug": "ionic-developer",
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        {
          "display_name": "React Frontend Developer",
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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.",
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      "input_skill": "Webpack",
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          "display_name": "Svelte Frontend Developer",
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          "rationale": null,
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          "display_name": "Vue Frontend Developer",
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        {
          "display_name": "Web Developer",
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          "rationale": null,
          "role_archetype": null,
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    },
    {
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        "difficulty_hint": "well_known",
        "display_name": "Build and Packaging Tooling",
        "id": 149,
        "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",
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      },
      "input_skill": "Webpack",
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      "roles_from_db": [
        {
          "display_name": "DevOps Engineer",
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          "rationale": null,
          "role_archetype": null,
          "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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    },
    {
      "dimension": {
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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.",
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      "input_skill": "Babel",
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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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    },
    {
      "dimension": {
        "difficulty_hint": "well_known",
        "display_name": "API Interface and Contract Design",
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        "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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      "roles_from_db": [
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          "display_name": ".NET Backend Developer",
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          "display_name": "PHP Backend Developer",
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          "rationale": null,
          "role_archetype": "Engineering",
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          "rationale": null,
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        "rationale": "Standards and protocols for integrating Pega applications.",
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        "source": "db"
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      "input_skill": "REST",
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        "rationale": "Ensure teams adhere to industry standards, security protocols, and regulatory compliance requirements.",
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        "source": "db"
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      "input_skill": "REST",
      "llm_role": null,
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          "display_name": "Engineering Manager",
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          "rationale": null,
          "role_archetype": null,
          "slug": "engineering-manager",
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        {
          "display_name": "Sitecore Dev",
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          "rationale": null,
          "role_archetype": "Engineering",
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      ]
    },
    {
      "dimension": {
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        "display_name": "Web Application Frameworks",
        "id": 2,
        "rationale": "Server frameworks and runtimes used to build HTTP services, controllers, middleware, and request pipelines. These frameworks shape how backend endpoints are structured and delivered.",
        "slug": "web-application-frameworks",
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      "input_skill": "Spring MVC",
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          "display_name": "Python Backend Developer",
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        "display_name": "ORMs and Data Access Layers",
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        "rationale": "Libraries and patterns used to map application objects to persistent storage and encapsulate database access. This cluster covers repository patterns, query builders, and persistence abstractions.",
        "slug": "orms-and-data-access-layers",
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      "input_skill": "Spring Data",
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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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        "slug": "relational-data-modeling",
        "source": "db"
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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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          "source": "db"
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      ]
    },
    {
      "dimension": {
        "difficulty_hint": "well_known",
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        "id": 4,
        "rationale": "Modeling and operating relational persistence for backend services. Includes schema design, normalization, indexing, transactions, and query tuning for operational data stores.",
        "slug": "relational-database-design",
        "source": "db"
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      "input_skill": "PostgreSQL",
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          "display_name": ".NET Backend Developer",
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          "rationale": null,
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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.",
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          "display_name": "Kotlin Backend Developer",
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          "rationale": null,
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          "display_name": "Node.js Backend Developer",
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          "rationale": null,
          "role_archetype": "Engineering",
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          "source": "db"
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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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          "rationale": null,
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        "slug": "relational-database-usage",
        "source": "db"
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          "display_name": "Go Backend Developer",
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      "dimension": {
        "difficulty_hint": "well_known",
        "display_name": "Pega Programming Languages \u0026 DSLs",
        "id": 267,
        "rationale": "Programming languages and domain-specific languages used in Pega development.",
        "slug": "pega-programming-languages-dsls",
        "source": "db"
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      "input_skill": "SQL",
      "llm_role": null,
      "roles_from_db": [
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          "display_name": "Pega Developer",
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          "rationale": null,
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      "dimension": {
        "difficulty_hint": "well_known",
        "display_name": "Programming Languages \u0026 DSLs",
        "id": 475,
        "rationale": "Oversee and guide the selection and effective use of programming and domain\u2010specific languages in software projects.",
        "slug": "programming-languages-dsls",
        "source": "db"
      },
      "input_skill": "SQL",
      "llm_role": null,
      "roles_from_db": [
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          "display_name": "Engineering Manager",
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          "rationale": null,
          "role_archetype": null,
          "slug": "engineering-manager",
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        }
      ]
    },
    {
      "dimension": {
        "difficulty_hint": "well_known",
        "display_name": "Programming Languages for Data Work",
        "id": 21,
        "rationale": "Languages used to implement data pipelines, transformations, and operational glue. This is the primary coding surface for building ingestion, enrichment, and automation logic in data engineering.",
        "slug": "programming-languages-for-data-work",
        "source": "db"
      },
      "input_skill": "SQL",
      "llm_role": null,
      "roles_from_db": [
        {
          "display_name": "Data Engineer",
          "id": 2,
          "rationale": null,
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