Senior Python Engineer

About the job

Senior Python AI/Backend Developer

We're building an enterprise AI platform that indexes large document repositories and serves answers through a RAG (Retrieval-Augmented Generation) pipeline with per-user security.

What You'll Work On

• Document ingestion pipelines — parsing, chunking, embedding, and indexing across many file types
• RAG quality — designing chunking strategies, debugging retrieval issues, improving answer accuracy
• Async worker services — queue management, retries, deduplication, error handling
• Azure AI Search — index design, hybrid retrieval, semantic ranking, security filtering
• FastAPI REST APIs — clean, well-structured endpoints with proper auth and RBAC
• IDP/user sync — integrating with Azure AD via Microsoft Graph

Must Have

• 4+ years Python — async/await, FastAPI, SQLAlchemy, Pydantic
• Solid understanding of RAG pipelines — chunking, embeddings, retrieval, reranking
• Azure OpenAI and Azure AI Search experience
• PostgreSQL
• Clean code, Git workflow, PR-based development

Nice to Have

• Azure Document Intelligence or similar OCR/extraction services
• Experience tuning retrieval quality — not just indexing but getting answers right
• APScheduler or background job experience
• React/TypeScript for occasional frontend work

Stack: Python 3.11 · FastAPI · SQLAlchemy · PostgreSQL · Azure AI Search · Azure OpenAI · Docker · GitHub