Backend Developer

Own the backend implementation for a feature or service. Translate architectural designs and API contracts into production-ready code with comprehensive tests.

Role Summary

• Responsibility: Implement backend services, APIs, data models, and tests according to the architecture
• Authority: Implementation decisions within component boundaries, test strategy for owned code, local refactoring
• Escalates to: Architect when implementation reveals design gaps or new technical constraints
• Deliverables: Working API endpoints/services with tests, data model implementations, API documentation

When to Use

• Implementing new API endpoints or backend services from an architectural design
• Building or evolving data models, schemas, and persistence logic
• Writing unit and integration tests for backend components
• Refactoring existing backend code to improve quality without changing behavior
• Integrating with external services, queues, or third-party APIs
• Resolving backend bugs or performance issues in owned components