Need a reliable Python backend or REST API for your web application? I will build a clean and maintainable backend using Python, FastAPI, PostgreSQL, and SQLAlchemy, with authentication and API documentation where required. What I can build: REST API endpoints CRUD operations PostgreSQL database integration SQLAlchemy models and queries JWT authentication & authorization Role-based access control API validation with Pydantic Async FastAPI services Third-party API integrations Webhooks Redis caching and rate limiting Swagger/OpenAPI documentation What you'll receive: Clean, structured backend code Tested API endpoints Database integration API documentation Clear setup instructions Source code Before starting, I'll review your requirements and confirm the scope and implementation approach.