Key Responsibilities

• 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.
• Hands-on experience operating AWS services (DynamoDB, ECS, IAM).
• Strong knowledge of LLMs, AI Agent fram...