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      "alias_persisted": false,
      "existing_alias_id": 2011,
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      "alias_persisted": false,
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      "alias_persisted": false,
      "existing_alias_id": 232,
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      "matched_via": "alias"
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      "alias_persist_skipped_reason": "alias_text already exists for this canonical skill",
      "alias_persisted": false,
      "existing_alias_id": 1989,
      "existing_alias_text": "NoSQL",
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      "alias_persisted": false,
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      "alias_persisted": false,
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      "alias_persisted": false,
      "existing_alias_id": 383,
      "existing_alias_text": "Avro",
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      "matched_via": "alias"
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    {
      "alias_persist_skipped_reason": "TODO: REMOVE AFTER TESTING \u2014 alias DB write disabled",
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          "role_archetype": "Engineering",
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        {
          "display_name": "MLOps Engineer",
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          "slug": "ml-ops-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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        "source": "db"
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          "source": "db"
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        "roles_from_db": [
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            "display_name": "Cyber Security Engineer",
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          "source": "db"
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        "roles_from_db": [
          {
            "display_name": "AR/VR Engineer",
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            "rationale": null,
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          "source": "db"
        },
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        "input_skill": "Python",
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        "roles_from_db": [
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          "display_name": "Pega Programming Languages \u0026 DSLs",
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          "source": "db"
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        "roles_from_db": [
          {
            "display_name": "Pega Developer",
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            "rationale": null,
            "role_archetype": null,
            "slug": "pega-developer",
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        ],
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          "source": "db"
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        "roles_from_db": [
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        "skill_dimension_saved": true,
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        "outcome_line": "Existing dimension (library) \u00b7 Role\u2194dimension saved",
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          {
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            "slug": "data-engineer",
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          "rationale": "Asynchronous communication patterns and broker technologies used to decouple backend services and move work off the request path. Includes queues, pub/sub, event streams, consumer groups, dead-letter queues, and delivery semantics across systems such as Kafka, RabbitMQ, NATS, SQS/SNS, Pulsar, and ActiveMQ.",
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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": [
          {
            "display_name": ".NET Backend Developer",
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            "rationale": null,
            "role_archetype": "Engineering",
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            "display_name": "Node.js Backend Developer",
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            "display_name": "Scala Backend Developer",
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        ],
        "skill_dimension_saved": true,
        "skill_id": 36,
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        "skipped_reason": null
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          "display_name": "Messaging and Background Jobs",
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          "source": "db"
        },
        "dimension_id": 291,
        "input_skill": "Kafka",
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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": "PHP Backend Developer",
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            "role_archetype": "Engineering",
            "slug": "php-backend-developer",
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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": "Ruby Backend Developer",
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            "rationale": null,
            "role_archetype": "Engineering",
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            "source": "db"
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        "skill_dimension_saved": true,
        "skill_id": 36,
        "skill_tag": "in_db",
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          "display_name": "Messaging and Event Streaming",
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          "source": "db"
        },
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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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            "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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            "slug": "data-engineer",
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          "rationale": "Cloud-native storage and managed data services used to place workloads, choose durability tiers, and define platform boundaries. This is a coherent cluster because architects evaluate storage fit, access patterns, and managed service tradeoffs.",
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          "source": "db"
        },
        "dimension_id": 144,
        "input_skill": "Amazon S3",
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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": "Cloud Architect",
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            "rationale": null,
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            "slug": "cloud-architect",
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        ],
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          "display_name": "Cloud Storage and File Formats",
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          "rationale": "Object storage and data file formats used as the physical substrate for data movement and lake-style analytics. Data engineers need these to manage landing zones, partitioned datasets, and efficient interchange.",
          "slug": "cloud-storage-and-file-formats",
          "source": "db"
        },
        "dimension_id": 35,
        "input_skill": "Amazon S3",
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        "matched_chosen_role": true,
        "outcome_line": "Existing dimension (library) \u00b7 Role\u2194dimension saved",
        "role_dimension_saved": true,
        "roles_from_db": [
          {
            "display_name": "Data Engineer",
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            "rationale": null,
            "role_archetype": null,
            "slug": "data-engineer",
            "source": "db"
          }
        ],
        "skill_dimension_saved": true,
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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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        "input_skill": "AWS Lambda",
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        "outcome_line": "Existing dimension (library) \u00b7 Role\u2194dimension saved",
        "role_dimension_saved": true,
        "roles_from_db": [
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            "display_name": ".NET Backend Developer",
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            "role_archetype": "Engineering",
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          },
          {
            "display_name": "Cyber Security Engineer",
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            "slug": "cybersecurity-engineer",
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          {
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            "slug": "data-engineer",
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          },
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            "display_name": "DevOps Engineer",
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            "slug": "devops-engineer",
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            "display_name": "Fullstack Developer",
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            "display_name": "Go Backend Developer",
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          {
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          {
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            "role_archetype": "Engineering",
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            "role_archetype": "Engineering",
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        ],
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          "rationale": "Familiarity with vendor-specific hosting and backend services for deploying and scaling web applications.",
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          "source": "db"
        },
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        "outcome_line": "Existing dimension (library) \u00b7 Role\u2194dimension skipped (dimension not under chosen role)",
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            "display_name": ".NET Backend Developer",
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          "source": "db"
        },
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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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            "display_name": "Fullstack Developer",
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            "rationale": null,
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            "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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          },
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            "display_name": "Node.js Backend Developer",
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            "rationale": null,
            "role_archetype": "Engineering",
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        ],
        "skill_dimension_saved": true,
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        "skipped_reason": null
      },
      {
        "chosen_role_id": 2,
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          "difficulty_hint": "well_known",
          "display_name": "Cloud Platforms \u0026 Services",
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          "rationale": "Deploying, configuring, and managing Python backends on major cloud and PaaS offerings.",
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          "source": "db"
        },
        "dimension_id": 296,
        "input_skill": "AWS Lambda",
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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": "Python Backend Developer",
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