Python Developer Needed, AI/ML, LLM & RAG System with API Integrations

We're building an internal AI-powered knowledge assistant and need a skilled Python developer to bring it together. The project involves building a Retrieval-Augmented Generation pipeline, integrating with OpenAI/Claude API, creating a basic ML model for document classification, and connecting with Slack, Google Drive, and our CRM. We prefer a clean, scalable Python backend using FastAPI. Please share relevant experience and your approach to this comprehensive AI application stack.