I will build a custom rag chatbot with langchain and vector database

M
mhshuvo20
M
mhshuvo20
MH SHUVO
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build a custom rag chatbot with langchain and vector database
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build a custom rag chatbot with langchain and vector database

Over deze dienst

Struggling to make your data (PDFs, docs, website content) searchable 

and answerable by AI? I build production-ready RAG (Retrieval-Augmented 

Generation) chatbots that give accurate, source-grounded answers not 

hallucinations.


WHAT YOU GET:

  • Custom RAG pipeline built with LangChain and LangGraph
  • Vector database setup (Supabase + pgvector, or MongoDB Atlas)
  • Multi-tenant support for separate knowledge bases per client
  • FastAPI backend ready to connect to any frontend
  • Bangla/English bilingual support available on request


WHY WORK WITH ME:

I build AI/ML pipelines professionally at Sonali Life Insurance PLC, 

and previously built multi-tenant RAG systems at Infinoz. I also hold 

9 published research papers in AI/ML, so this is applied engineering 

experience, not guesswork.


TECH STACK:

LangChain, LangGraph, FastAPI, PostgreSQL/Supabase, pgvector, 

OpenAI/Gemini/Groq API


Message me before ordering if your use case is unique; happy to scope 

it out first so we're aligned before work begins.

  • Type bot

    • Klantenservice en ondersteuning
    • E-commerce en betaling
    • Social media en content
    • Inplannen en assistentie
    • Entertainment en gaming
    • Leren en ontwikkeling
    • Gezondheid en wellness
    • Reizen en vervoer
    • Eten en restaurant diensten
    • Nieuws en informatieupdates
    • Enquêtes en feedbackverzameling
    • Makelaardij assistentie

  • AI engine

    • DeepSeek
    • Gemini
    • Generative Adversarial Networks (GAN's)
    • Open AI GPT
    • Grok
    • LangChain
    • LLaMA
    • RoBERTa
    • tensorflow
    • Claude.ai
    • ChatGPT
    • Ollama

  • Programmeertaal

    • Python
    • TypeScript
    • React
    • PyTorch
    • keras

  • Tools en frameworks

    • n8n
    • Hugging Face
    • Telegram API
    • LangChain

  • Platforms

    • Whatsapp
    • Telegram
    • Facebook Messenger
    • Websites
    • Mobiele apps

Maak kennis met MH SHUVO

MH SHUVO

AI Engineer, RAG Chatbots and Automation, LangChain Pro

  • Afkomstig uitBangladesh
  • Lid sindsnov 2022
  • Gem. reactietijd1 uur

  • Talen

    Bengaals, Engels
I build AI systems that actually ship, not demos that break on the first test. Right now I'm an IT intern at Sonali Life Insurance PLC, working on RAG systems and LLM workflows. Before that, I automated workflows and built AI chatbots at Infinoz for SaaS, business and education. I work with RAG chatbots and vector databases, LLM agents using LangChain, LangGraph and CrewAI, workflow automation with n8n and FastAPI, and computer vision with custom YOLO models. Bangla/English bilingual builds available. Shipped 25+ projects since 2024. Tell me what you're stuck on. I'll build the fix.

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