10 years of software development with strong Python expertise in production environments2 years handson LLM development LangChain, LangGraph, or equivalent frameworksRAG pipeline experience embeddings, vector search, reranking, answer generationLLM APIs OpenAI Chat Completions, Responses API, streaming, tool callingAsync Python asyncio, httpx, FastAPIPrompt engineering system prompts, fewshot, structured JSON outputCircuit breaker patterns, retry logic, resilient service designPostgreSQL and async ORMs SQLAlchemy async AlembicGit, CICD, Docker, Kubernetes basicsStrong system design skills microservices, distributed systems, API design. Work Location & Reporting Address Maryland Heights, MO 63043 **The candidate should be based in St.