I will build custom ai chatbot with rag and langchain

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neural_aistudio
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neural_aistudio
Sher J

About this gig

Is your team wasting hours answering the same questions? I build custom AI chatbots trained on YOUR documents PDFs, websites, manuals so your business runs smarter, 24/7.


What I deliver:

RAG-powered chatbot that answers from YOUR data only

Built with LangChain, OpenAI or Groq LLM, and vector database

Accurate answers with source references no hallucinations

Deployable as web app, API, or embeddable chat widget

Supports PDFs, Word, CSV, URLs, plain text


Tech stack: Python | LangChain | FAISS | ChromaDB | Pinecone | OpenAI | Groq | FastAPI | Streamlit


BASIC Simple LLM chatbot, custom system prompt, Python script. 3-day delivery.

STANDARD Full RAG system, vector DB, up to 50 documents, API endpoint. 5 days.

PREMIUM Complete solution: RAG + API + chat UI + deployment guide + 7-day support. 10 days.


Use cases I cover: customer support bots, internal knowledge assistants, HR policy Q&A, product FAQ bots, legal document search.


Message me before ordering 5 minutes of conversation saves days of rework.

Get to know Sher J

Sher J

Data Scientist, Generative Ai Expert, ML,DL, NLP, RAG, LLM, CV Expert

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

    Urdu, English
I am an AI and Machine Learning engineer who builds intelligent systems that work in the real world Specializing in AI chatbots, RAG-powered knowledge assistants, deep learning models, and LLM integrations, I deliver production-ready solutions using Python, LangChain, OpenAI, TensorFlow, and PyTorch. My expertise spans ML, DL, NLP, CV, and transfer learning, and natural language processing. I understand these systems at a foundational level, which means fewer bugs, better results, and solutions that actually scale. Clear communication. On-time delivery. Ready to work? Let's build.

My Portfolio