software-engineer

You can implement backend services from OpenAPI contracts using TDD by enforcing a strict red-green-refactor cycle to generate service scaffolds, handlers, and repositories while preventing untested production code. This approach ensures thin handlers and pure service logic are generated following clean architecture patterns.

Clean architecture for microservices separates thin handlers, pure service logic, and repository layers to handle tenant isolation consistently. It generates shared libraries for error handling and concurrency, ensuring production-grade backend services maintain strict boundaries between business logic and infrastructure concerns.

Yes, you can apply this across both brownfield and greenfield projects to generate service scaffolds, handlers, repositories, and middleware. It produces migration runners and local dev tooling like docker-compose and seeds to enable end-to-end development and integration testing for existing and new services.

You add idempotency keys and circuit-breaker patterns to production APIs by generating shared libraries and middleware that handle concurrency, retries, and structured logging. This ensures APIs satisfy production requirements for resilient communication and consistent error handling across microservices.

The best way to generate integration tests and health checks for gRPC services is to transform schema artifacts into fully working services complete with unit tests and CI-friendly build artifacts. This produces service clients and middleware for auth and logging to enable end-to-end integration testing.

Test-first development matters when scaffolding microservice business logic because it enforces a strict red-green-refactor cycle that prevents untested production code from entering the system. This ensures generated handlers and repository layers maintain consistent error handling and clean architecture compliance.