I will build custom ai chatbot, rag, langchain and fastapi backend

H
hadiya_zafarr
H
hadiya_zafarr
Hadiya Z
build custom ai chatbot, rag, langchain and fastapi backend
build custom ai chatbot, rag, langchain and fastapi backend
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build custom ai chatbot, rag, langchain and fastapi backendbuild custom ai chatbot, rag, langchain and fastapi backend

About this gig

Looking for a powerful AI chatbot or AI agent for your business? I will build a custom AI-powered chatbot using OpenAI, Claude, Gemini, LangChain, Python, FastAPI, React, and Retrieval-Augmented Generation (RAG) tailored to your requirements. I can develop a scalable, secure, and modern application designed around your business needs.

Services I Offer

  • Custom AI Chatbots
  • AI Agents
  • LangChain & RAG Integration
  • OpenAI, Claude & Gemini Integration
  • Full Stack Web Application Development
  • User Authentication
  • Database & CRM Integration
  • Multi-language Support
  • Knowledge Base Chatbots
  • API Integration
  • Deployment Assistance

Technologies

Python, FastAPI, React, Next.js, LangChain, OpenAI, Claude, Gemini, REST APIs.

Important Information

The client must provide their own API key(s) for the AI model(s) they wish to use (such as OpenAI, Claude, Gemini, or any other LLM provider). This ensures that you maintain full control over your API usage, billing, and account.

If you are unsure which AI model or architecture best fits your project, I can help you choose the most suitable solution before development begins.

Please contact me before placing an order so we can discuss your project requirements.

  • Bot type

    • Other

  • AI engine

    • Gemini
    • Open AI GPT
    • LangChain
    • ChatGPT
    • Ollama

  • Programming language

    • C
    • C++
    • Java
    • JavaScript
    • Python
    • TypeScript
    • React
    • TensorFlow

  • Tools & frameworks

    • Hugging Face
    • LangChain

  • Platforms

    • Other

Get to know Hadiya Z

Hadiya Z

Student at COMSATS University Islamabad

  • FromPakistan
  • Member sinceApr 2026
  • Avg. response time1 hour

  • Languages

    Urdu, English
I'm a Full Stack Developer and AI enthusiast with expertise in React, Next.js, FastAPI, Python and Flutter I build responsive web applications, REST APIs, AI-powered solutions, and custom automation tools with a strong focus on clean code, performance, and security. Whether you need a modern website, backend API, AI integration, or bug fixes, I'm committed to delivering high-quality work on time. Let's bring your ideas to life!