I will build a custom rag chatbot using langchain and langgraph

C
chalanasangeeth
C
chalanasangeeth
Sangeeth

About this gig

Looking for a custom AI chatbot that can understand your documents and provide intelligent, context-aware answers?


I will build a custom Retrieval-Augmented Generation (RAG) chatbot using Python, LangChain, LangGraph and modern Large Language Models (LLMs).


WHAT I CAN DEVELOP

  • Custom RAG chatbot development
  • PDF and document question-answering systems
  • Knowledge-base AI assistants
  • LangChain and LangGraph workflows
  • Semantic search and document retrieval
  • ChromaDB and FAISS vector database integration
  • OpenAI and Google Gemini API integration
  • Python and Flask REST API development
  • Custom AI agent workflows

TECHNOLOGIES

Python | LangChain | LangGraph | RAG | Gemini API | OpenAI API | ChromaDB Flask


WHY WORK WITH ME?

  • Engineering background with practical AI development experience.
  • Experience developing RAG and Agentic AI workflows.
  • Modular and maintainable Python code.
  • Clear technical communication.
  • Solutions tailored to your requirements.

IMPORTANT

Every AI project has different requirements. Please contact me before ordering if you need a complex or production-ready system.


Let's build an intelligent AI solution for your business!

Get to know Sangeeth

Sangeeth

AI and Machine Learning Engineer specializing in RAG, AI Agents and ML Solutions

  • FromSri Lanka
  • Member sinceSep 2021
  • Avg. response time1 hour
  • Languages

    Sinhala, English
AI & Machine Learning Engineer with an Electrical and Electronic Engineering background and industry experience at Sri Lanka Telecom. Specialized in RAG applications, AI agents, Agentic AI, LLM integration (Gemini & OpenAI), Machine Learning, and Deep Learning. Skilled in Python, LangChain, LangGraph, TensorFlow, Scikit-learn, Flask, ChromaDB, FAISS, MongoDB, and REST APIs. Also experienced in signal processing, embedded AI, and IoT. I deliver reliable, practical, and well-documented AI solutions tailored to your needs.