I will build ai agents using fastapi, langchain, langgraph, and rag


About this gig
Need a custom AI application instead of a basic chatbot?
I build production-ready AI applications using Python, FastAPI, LangChain, LangGraph, and Retrieval-Augmented Generation (RAG). Whether you need an AI assistant, a multi-agent workflow, a document-based chatbot, or a custom AI backend, I can develop scalable, maintainable solutions tailored to your business.
What I can build
- AI Agents & Multi-Agent Systems
- RAG (Retrieval-Augmented Generation) Applications
- Custom AI Chatbots
- AI-Powered Web Applications
- FastAPI Backend APIs
- OpenAI & Gemini Integrations
- Knowledge Base Chatbots
- Document Q&A Systems
- AI Workflow Automation
- Secure Authentication (JWT)
Technologies I use
- Python
- FastAPI
- LangChain
- LangGraph
- OpenAI API
- Gemini API
- PostgreSQL & PGVector
- Redis
- Celery
- Docker
Why work with me?
- Clean, scalable architecture
- Production-ready backend development
- Well-documented and maintainable code
- Clear communication and regular updates
- Source code included
Please contact me before placing an order so we can discuss your requirements and recommend the best solution for your project.
Get to know Basharat
AI Backend System Engineer
- FromPakistan
- Member sinceAug 2026
- Avg. response time1 hour
Languages
English
My Portfolio
FAQ
Do you build custom AI agents and not just basic chatbots?
Yes. I develop custom AI applications including AI agents, RAG systems, document chatbots, FastAPI backends, and multi-agent workflows tailored to your requirements.
Which AI technologies do you use?
I primarily work with Python, FastAPI, LangChain, LangGraph, OpenAI, Gemini, PostgreSQL, PGVector, Redis, Celery, and Docker.
Can you integrate AI into my existing application?
Yes. I can integrate OpenAI, Gemini, or custom AI workflows into your existing web application or backend API.
Do you provide the complete source code?
Yes. All packages include clean, well-structured source code unless otherwise agreed before the project starts.
Should I contact you before placing an order?
Yes. Please contact me first so we can discuss your requirements and choose the most suitable package for your project.
Can you build AI applications using LangGraph and RAG?
Yes. I specialize in building AI applications with LangGraph, LangChain, FastAPI, Retrieval-Augmented Generation (RAG), and production-ready backend architecture for custom business use cases.

