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    },
    {
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        "rationale": "Oversee and guide the selection and effective use of programming and domain\u2010specific languages in software projects.",
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        "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"
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        {
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    {
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        "rationale": "Primary implementation languages and runtime features used to build backend service logic in the .NET ecosystem. This is the core coding surface for request handling, domain logic, and service internals.",
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        "source": "db"
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          "display_name": ".NET Backend Developer",
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    },
    {
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        "difficulty_hint": "well_known",
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        "rationale": "Languages used to implement shared mobile features across iOS and Android from a common codebase. This is the primary coding surface for hybrid app logic, UI behavior, and platform-specific branching.",
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        "source": "db"
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          "slug": "hybrid-mobile-developer",
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    },
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        "rationale": "Languages used to build training code, inference services, evaluation jobs, and ML glue code. This is the primary implementation surface for ML engineers across experimentation and productionization.",
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    {
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        "rationale": "Primary implementation languages used to build immersive client features, interaction logic, and device-specific runtime behavior. This is the core coding surface for AR/VR experiences.",
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        "rationale": "Building interactive web user interfaces with React.js, including component composition, state management, hooks, and rendering patterns. React.js belongs here because it is a core library for client-side UI development in modern web applications.",
        "slug": "d_init_01",
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      "roles_from_db": []
    },
    {
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        "difficulty_hint": "well_known",
        "display_name": "Sitecore Development Languages",
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        "rationale": "Core implementation languages and markup used to build Sitecore customizations, rendering logic, and site behavior. This is the primary authoring surface for Sitecore-specific code and templates.",
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        "source": "db"
      },
      "input_skill": "C++",
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    },
    {
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        "difficulty_hint": "well_known",
        "display_name": "Video Codec Languages and DSLs",
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        "rationale": "Implementation languages and codec-specific description languages used to build compression, decoding, and transform logic. This is the primary coding surface for codec behavior and bitstream manipulation.",
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        "source": "db"
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      "roles_from_db": [
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          "rationale": null,
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          "display_name": ".NET Backend Developer",
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        {
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          "role_archetype": "Engineering",
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          "rationale": null,
          "role_archetype": "Engineering",
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          "display_name": "Scala Backend Developer",
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          "rationale": null,
          "role_archetype": "Engineering",
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    {
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        "difficulty_hint": "well_known",
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        "source": "db"
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      "input_skill": "Kafka",
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      "roles_from_db": [
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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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          "rationale": null,
          "role_archetype": "Engineering",
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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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        "difficulty_hint": "well_known",
        "display_name": "ETL and ELT Tooling",
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        "rationale": "Packaged tools for extracting, loading, and transforming data across systems. This dimension covers connector-based ingestion, transformation frameworks, and managed integration products.",
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          "role_archetype": null,
          "slug": "data-engineer",
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        "source": "db"
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      "input_skill": "Hive",
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          "rationale": null,
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          "slug": "android-engineer",
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          "rationale": null,
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          "rationale": null,
          "role_archetype": null,
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          "rationale": null,
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          "rationale": null,
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        {
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          "rationale": null,
          "role_archetype": null,
          "slug": "full-stack-engineer",
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          "rationale": null,
          "role_archetype": "Engineering",
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    {
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        "difficulty_hint": "well_known",
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      "roles_from_db": [
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          "display_name": ".NET Backend Developer",
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          "role_archetype": "Engineering",
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          "rationale": null,
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          "rationale": null,
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        "source": "db"
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        "rationale": "Oversee and guide the selection and effective use of programming and domain\u2010specific languages in software projects.",
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          "rationale": null,
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        "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.",
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        "rationale": "Models and manages data using non-relational database systems.",
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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": "AI Governance and Model Security",
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          "slug": "ai-engineer",
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          "slug": "ml-ops-engineer",
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    },
    {
      "dimension": {
        "difficulty_hint": "well_known",
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        "rationale": "Building interactive web user interfaces with React.js, including component composition, state management, hooks, and rendering patterns. React.js belongs here because it is a core library for client-side UI development in modern web applications.",
        "slug": "d_init_01",
        "source": "db"
      },
      "input_skill": "Machine Learning",
      "llm_role": null,
      "roles_from_db": []
    },
    {
      "dimension": {
        "difficulty_hint": "well_known",
        "display_name": "Cloud Platforms",
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        "rationale": "Underlying cloud providers that host the managed services or infrastructure used by the role, such as AWS, Azure, and GCP.",
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        "source": "db"
      },
      "input_skill": "Distributed Systems",
      "llm_role": null,
      "roles_from_db": [
        {
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            "display_name": ".NET Backend Developer",
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        "outcome_line": "Existing dimension (library) \u00b7 Role\u2194dimension skipped (dimension not under chosen role)",
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            "display_name": "Sitecore Dev",
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        "input_skill": "C++",
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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": "Video Codec Engineer",
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        "chosen_role_id": 218,
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          "slug": "asynchronous-messaging-and-event-streaming",
          "source": "db"
        },
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            "role_archetype": "Engineering",
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        "skipped_reason": null
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          "rationale": "Asynchronous processing patterns and worker systems used to decouple backend work from request handling. This is a coherent cluster because the role supports background jobs, retries, and deferred processing.",
          "slug": "messaging-and-background-jobs",
          "source": "db"
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        "dimension_id": 291,
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        "role_dimension_saved": false,
        "roles_from_db": [
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            "slug": "php-backend-developer",
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            "role_archetype": "Engineering",
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        "outcome_line": "Existing dimension (library) \u00b7 Role\u2194dimension skipped (dimension not under chosen role)",
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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)",
        "role_dimension_saved": false,
        "roles_from_db": [
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            "slug": "data-engineer",
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          "slug": "local-persistence-and-offline-behavior",
          "source": "db"
        },
        "dimension_id": 85,
        "input_skill": "Hive",
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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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            "slug": "android-engineer",
            "source": "db"
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            "rationale": null,
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            "slug": "hybrid-mobile-developer",
            "source": "db"
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            "role_archetype": "Engineering",
            "slug": "react-native-developer",
            "source": "db"
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            "display_name": "iOS Developer",
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            "role_archetype": null,
            "slug": "ios-engineer",
            "source": "db"
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        ],
        "skill_dimension_saved": true,
        "skill_id": 2754,
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        "dimension_id": 216,
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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": "Fullstack Developer",
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            "role_archetype": "Engineering",
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          "source": "db"
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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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        "outcome_line": "Existing dimension (library) \u00b7 Role\u2194dimension skipped (dimension not under chosen role)",
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        "dimension_id": 144,
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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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        "roles_from_db": [
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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_dimension_saved": true,
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          "slug": "programming-languages-for-data-work",
          "source": "db"
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        "dimension_id": 21,
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        "outcome_line": "Existing dimension (library) \u00b7 Role\u2194dimension skipped (dimension not under chosen role)",
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          "rationale": "Models and manages data using non-relational database systems.",
          "slug": "nosql-databases",
          "source": "db"
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        "dimension_id": 19,
        "input_skill": "NoSQL",
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        "outcome_line": "Existing dimension (library) \u00b7 Role\u2194dimension skipped (dimension not under chosen role)",
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        "skill_dimension_saved": true,
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          "rationale": "Controls and documentation used to make models safer, auditable, and compliant. ML engineers use this to manage model risk, supply chain integrity, and governance requirements.",
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        "dimension_id": 50,
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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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            "slug": "ml-engineer",
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        "dimension_id": 96,
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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": [],
        "skill_dimension_saved": true,
        "skill_id": 1356,
        "skill_tag": "in_db",
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      {
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          "rationale": "Underlying cloud providers that host the managed services or infrastructure used by the role, such as AWS, Azure, and GCP.",
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          "source": "db"
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        "dimension_id": 20,
        "input_skill": "Distributed Systems",
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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": ".NET Backend Developer",
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            "rationale": null,
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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": "Cyber Security Engineer",
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            "rationale": null,
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            "slug": "cybersecurity-engineer",
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            "display_name": "DevOps Engineer",
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            "rationale": null,
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            "slug": "devops-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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            "display_name": "Go Backend Developer",
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            "rationale": null,
            "role_archetype": "Engineering",
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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",
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