I will build an ai chatbot using langchain, rag and openai API

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asifanjum_dev
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asifanjum_dev
Md Asif Anjum
build an ai chatbot using langchain, rag and openai API
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About this gig

I will build a custom AI chatbot using 

LangChain, RAG, and OpenAI API with 

ChromaDB vector database for intelligent, 

context-aware responses.


What you get:

RAG-powered chatbot (no hallucinations)

ChromaDB vector store integration

OpenAI GPT integration

JWT authentication

React frontend + FastAPI backend

WhatsApp API integration (Premium)

Deployed on AWS EC2 (Premium)

Full source code + documentation


Why choose me?

2+ years production AI experience

Built real AI systems (not tutorials)

Fast communication & on-time delivery

Production-grade clean code


Tech Stack:

Python | FastAPI | LangChain | ChromaDB 

OpenAI API | React | MongoDB | Docker

  • Bot type

    • Customer Service & Support
    • Learning & Development
    • Other

  • AI engine

    • Open AI GPT
    • LangChain
    • Claude.ai
    • ChatGPT

  • Programming language

    • JavaScript
    • Python
    • TypeScript
    • React

  • Tools & frameworks

    • Rasa
    • Dialogflow
    • Other

  • Platforms

    • WhatsApp
    • Websites
    • Mobile Apps
    • Slack
    • Other

Get to know Md Asif Anjum

Md Asif Anjum

Full Stack Engineer and AI Developer FastAPI, LangChain, RAG

  • FromIndia
  • Member sinceMay 2026

  • Languages

    Hindi, English
Full Stack Engineer & AI Developer with 2+ years building scalable apps and AI-powered systems. I specialize in: 🔹 AI Chatbots & Agents (LangChain, RAG, OpenAI) 🔹 Backend APIs (Python, FastAPI, Node.js) 🔹 Full Stack Apps (React, Next.js, PostgreSQL) 🔹 Automation & AI Integration Notable work: ✅ HRMS platform (500+ employees) ✅ AI Interview Assistant (Whisper AI + OpenAI) ✅ Job Automation Bot (5 platforms + Claude AI) ✅ WhatsApp AI Chatbot (LangChain + RAG) Clean code. Fast delivery. On-time. Always.

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