Integrate AI Document Search Feature Into Existing SaaS App

We are looking for a developer to add an AI-powered document search feature to our existing SaaS application. Users should be able to upload documents and ask questions using natural language. The system should retrieve relevant information and provide accurate AI-generated responses. Responsibilities: Build document upload functionality Implement AI-powered search using RAG Integrate LLM API for responses Set up vector search/database storage Connect the feature with our existing application Improve response accuracy and performance Requirements: Experience with Next.js/React applications Experience building AI applications with LLMs Knowledge of RAG architecture Experience with PostgreSQL/Supabase or similar databases Ability to write clean, maintainable code Deliverables: Working AI document search feature Source code Basic setup documentation