I will build a custom ai chatbot using llm, rag and fastapi

L
lipengcheng
L
lipengcheng
Cheng

About this gig

Your business knowledge shouldn't be buried in PDFs, policies, or documents.


I build enterprise AI solutions that turn your data into intelligent assistants for faster search, document review, compliance, and workflow automation.


I'm an AI Engineer specializing in LLMs, RAG, FastAPI, and AI Agents, with experience building production-ready AI applications for enterprise use.


What I build


AI chatbots powered by LLMs and RAG

Enterprise knowledge base systems

Intelligent document review and compliance solutions

AI Agents for workflow automation

FastAPI backend APIs and AI integration


Why work with me?


Production-ready, scalable solutions

Clean and maintainable code

Clear communication from start to finish

Reliable support after delivery


How it works


  1. Send me your project or business use case.
  2. I'll recommend the best solution, timeline, and budget.
  3. I'll build a reliable AI solution tailored to your needs.


Message me to discuss your AI project before placing an order.

Get to know Cheng

Cheng

It is lucky to meet you on fiverr

5.0(2)
  • FromChina
  • Member sinceSep 2021
  • Last delivery4 years
  • Languages

    English, Chinese
I build production-ready AI applications powered by Large Language Models (LLMs), Retrieval-Augmented Generation (RAG), and AI Agents. My expertise includes enterprise knowledge assistants, AI customer service, compliance automation, and intelligent workflow systems. I specialize in scalable backend development using Python, FastAPI, vector databases, Docker, and modern AI frameworks. Whether you need an enterprise chatbot, document intelligence platform, or custom AI workflow, I can deliver reliable and production-ready solutions.

My Portfolio