Design, develop, and maintain production-grade REST and WebSocket APIs using FastAPI, with async patterns, WebSockets, JWT middleware, Pydantic validation, and server lifecycle management.
Operate and manage AWS Cloud Services (DynamoDB, ECS, IAM, Bedrock) ensuring availability, security, and scalability.
Implement LLM and AI Agent architectures, including prompt engineering, model selection (light vs heavy), and multi-step orchestration flows with frameworks such as LangChain or CrewAI.
Ensure code quality through robust testing (pytest, pytest-asyncio, AWS mocking with moto, factories with polyfactory, freezegun) and maintain CI/CD pipelines in GitHub Actions.
Must-have Skills
Advanced experience in Python Backend with FastAPI and deep understanding of ASGI.