senior-backend-engineer

Generate FastAPI backend code from OpenAPI specs by automating endpoint implementation with strict contract adherence, input validation, and error handling to produce production-ready services.

A migrations-first workflow for API development creates and applies database migrations before generating feature code, ensuring schema stability before implementing endpoints and unit tests.

Enforce OpenAPI contract adherence and security hardening automatically by generating parameterized queries, input validation, role-based access controls, and unit tests for backend services.

FastAPI supports parameterized queries and input validation for production APIs by strictly matching endpoints to OpenAPI specifications and generating unit tests to ensure reliability.

The best way to scaffold a FastAPI backend from an OpenAPI spec is to generate a skeleton in a target directory, apply migrations-first schemas, and implement endpoints exactly as defined.

Use OpenAPI specs for backend service generation to automate schema design, enforce exact API contracts, and scaffold reliable microservices with built-in security hardening and unit tests.