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I will build a rag based PDF chatbot using python and langchain
Dhani Baksh
Acerca de este Servicio
Need a chatbot that reads and understands your documents?
I build RAG-based PDF chatbots using Python, LangChain, and OpenAI so your users can ask questions and get accurate answers directly from your files and knowledge base.
I've already built and deployed a production RAG system this isn't theory, it's something I've actually shipped.
What I Build:
- PDF and document Q&A chatbots using RAG
- Multi-document support with vector search
- Conversation memory with PostgreSQL
- FastAPI backend powering the chatbot
- Supabase vector store integration
- Deployment on Railway or Render
Perfect For:
- Law firms, startups, hospitals, education platforms
- Any business with large document collections
What You Get:
- Clean, production-ready Python code
- Full source code no black box
- FastAPI endpoints ready for any frontend
- Postman collection for testing
- Clear communication throughout
Why Me?
Every RAG system I build is coded from scratch LangChain, OpenAI embeddings, vector search. Full control, full source code, built to scale.
Check my work: github.com/dhanibaksh777-byte
Conoce a Dhani Baksh
Dhani Baksh
Python Backend Developer
- DePakistán
- Miembro desdejun 2026
Idiomas
Urdu, Inglés
Python Backend Developer specializing in FastAPI, PostgreSQL, and REST APIs.
I build secure, scalable, and well-structured backend systems — from authentication and database integrations to full production-ready APIs. My work includes deploying real backends for startups like Scaterly, an AI-powered content distribution platform.
Clean code, timely delivery, and clear communication — always.
FAQ
What types of documents can the chatbot read?
I can build chatbots that work with PDFs, Word documents (.docx), and text files. For the Premium package, multiple documents and large collections are supported. Just let me know your use case before ordering!
Which AI model will you use?
I primarily use OpenAI (GPT-4) and Google Gemini. If you have a preferred model or want an open-source alternative, message me before ordering and we'll figure out the best fit.
Can the chatbot remember previous conversations?
Yes! Standard and Premium packages include conversation memory stored in PostgreSQL so the chatbot remembers context across sessions.
Will I own the source code?
Absolutely. You get full ownership of all source code, no subscriptions, no lock-in. The chatbot runs on your own API keys and infrastructure.
Can this connect to my existing website or app?
Yes — I deliver a FastAPI backend with clean API endpoints that connect to any frontend, React, Next.js, or any web or mobile app.
