AI Customer Support Chatbot with RAG Integration

We are looking for an AI developer to build a custom AI-powered customer support assistant for our business using OpenAI or Claude APIs. The chatbot should be trained on our company documents, FAQs, and knowledge base using a RAG (Retrieval-Augmented Generation) system so it can provide accurate and contextual responses to customer questions. The solution should include: Requirements Integration with OpenAI GPT-4 or Claude API RAG pipeline using company PDFs, documents, or website content Conversational AI chatbot interface Source-based responses from uploaded documents Admin panel or simple upload system for updating documents Chat history support Basic authentication/login API integration with our existing website Responsive UI Preferred Tech Stack React frontend PHP or Node.js backend Vector database (Pinecone, ChromaDB, or FAISS) OpenAI / Claude integration Deliverables Fully functional AI chatbot Clean and documented code Deployment support Basic testing and bug fixes Setup instructions Ideal Developer We are looking for someone experienced with: OpenAI API Claude API RAG systems AI chatbot development SaaS integrations Workflow automation The goal is to create an intelligent support assistant that reduces manual customer support workload and improves response quality. Project timeline: 1 to 2 weeks.