I will build ai agents, chatbots, and rag apps using langchain and fastapi

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Sanjeet
build ai agents, chatbots, and rag apps using langchain and fastapi
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build ai agents, chatbots, and rag apps using langchain and fastapi

About this gig

AI Agents, Chatbots & RAG Apps using LangChain and FastAPI


Want to build an AI-powered application or automation tool?

I develop custom AI agents, chatbots, and RAG systems using LangChain, FastAPI, and vector databases like PGVector. My solutions are designed for performance, scalability, and real-world business use.


What I Can Build

  • AI agents and AI-powered tools
  • RAG applications with vector search
  • AI chatbots for websites or apps
  • Semantic search systems using embeddings
  • Custom FastAPI backend APIs for AI apps
  • Integration with LLMs and vector databases
  • Secure authentication and database integration


Technologies

  • Backend: FastAPI, Python
  • AI Tools: LangChain, LLM APIs
  • Database: PostgreSQL, PGVector
  • Other: REST APIs, embeddings, RAG pipelines


Why Work With Me?

  • Experience building AI-enabled SaaS applications
  • Focus on scalable backend architecture
  • Clean, maintainable, production-ready code


Message me to discuss your AI application before ordering.

  • Application Type

    • Web Application

  • Desktop Frameworks

    • Electron

  • AI Type

    • Chat
    • Shopping
    • Booking
    • Restaurant
    • Health & Fitness
    • Education
    • Social Networking
    • Entertainment
    • Productivity Tools
    • Custom

  • Programming Language

    • JavaScript
    • Python
    • TypeScript
    • React

  • Web Frameworks

    • React
    • Next.js
    • Other

  • No & Low-Code Builders

    • Other

Get to know Sanjeet

Sanjeet

Full Stack Developer: Nextjs Expressjs FastAPI LangChain SEO

5.0(1)
  • FromIndia
  • Member sinceApr 2023
  • Last delivery1 year

  • Languages

    Hindi, English
I'm a full-stack developer with expertise in building scalable, SEO-optimized, and AI-powered applications. I specialize in Next.js for the frontend and Express.js or FastAPI for the backend, along with LangChain for developing intelligent AI tools and workflows. My experience includes: ✅ AI tools development with LangChain & FastAPI ✅ Dynamic websites and dashboards ✅ API development and database integration ✅ Authentication and user management ✅ MongoDB and PostgreSQL systems I help startups and businesses build products that are fast, maintainable, AI-driven, and optimized for growth.

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