I will build a rag chatbot for document QA using python


About this gig
Are you looking for a custom AI chatbot that can answer questions directly from your PDFs, documents or knowledge base?
I will build a RAG chatbot for document QA using Python and LangChain so your users can chat with any document and get accurate, context-aware answers instantly.
WHY CHOOSE ME?
I have built production-ready RAG systems including an AI Research Paper Analyzer deployed live on Render so you get clean, tested, working code every time.
WHAT YOU GET:
- PDF and document upload with parsing
- RAG pipeline with vector search (ChromaDB/FAISS)
- Context-aware Q&A with source citations
- Clean chat interface (Streamlit or FastAPI)
- Your choice of LLM (OpenAI, Groq, or open-source)
- Clean, documented, ready-to-use source code
PERFECT FOR:
- Businesses wanting to chat with their documents
- Startups building AI-powered support chatbots
- Researchers needing PDF Q&A tools
- Developers wanting a production RAG system
I specialize in LangChain, LLaMA, ChromaDB, FastAPI, and Streamlit with 3 years of hands-on AI and ML development experience.
Message me before ordering to discuss your exact requirements I respond within a few hours.
Get to know Moiz Ahmed
AI Engineer, AI Agents, RAG Systems and ML Automations
- FromPakistan
- Member sinceApr 2023
- Avg. response time1 hour
Languages
Urdu, English, Hindi, Spanish
My Portfolio
FAQ
What documents do you support?
I support PDF, TXT, DOCX, and CSV files. Multiple documents can be indexed into a single vector store for unified Q&A.
Which LLM will you use for my chatbot?
I can integrate OpenAI GPT, Groq LLaMA, or any open-source model based on your budget and requirements. We will discuss before starting.
Can you connect the chatbot to my website?
Yes. I can build a FastAPI backend with REST API endpoints that you can integrate into any website or application easily.
What if I am not satisfied with the result?
I offer revisions based on your package. I will work with you until the chatbot meets your exact requirements. Your satisfaction is my priority.

