Senior Backend Platform Engineer 

Role summary

Senior backend engineer responsible for the platform backbone: typed APIs, registries, package services, lifecycle state, approval state, evidence records, scorecards, validation behavior, and operationally maintainable backend services.

Key responsibilities

•    Build typed backend APIs for registries, packages, scorecards, evidence records, approvals, lifecycle state, and artifact metadata.

•    Design and maintain PostgreSQL schemas, versioned records, validation rules, migrations, and audit-friendly data models.

•    Implement import/export paths for structured platform definitions, package manifests, evidence bundles, and review artifacts.

•    Write clean tests, API documentation,...