I will develop custom rag chatbots and ai agents using langchain

N
nawabhasan
N
nawabhasan
Hasan Jehangir

About this gig

Need an intelligent AI chatbot that actually understands your private data without hallucinating?


I specialize in building production-ready Retrieval-Augmented Generation (RAG) chatbots, custom LLM pipelines, and AI agents that turn your documents, databases, or APIs into actionable knowledge bases. 


What I Offer:

Production RAG Chatbots: Connected to your PDFs, text files, SQL databases, or Notion spaces.

Advanced AI Frameworks: Built using LangChain, LlamaIndex, and Ollama for local or cloud setups.

Model Integrations: Seamless integration with OpenAI, Gemini, Claude, or open-source models like DeepSeek.

Specialized AI Agents: Chatbots optimized for specific domains, including medical informatics or enterprise technical data.


Key Features Included:

Vector Database Setup (Pinecone, ChromaDB, FAISS)

Optimized semantic search & chunking strategies to minimize API costs

Clean, conversational UI or lightweight API endpoints (FastAPI/Flask)

Secure user data handling


Why work with me? I am an AI Engineer focused on building scalable, memory-efficient AI systems. I don't just plug in basic APIs; I optimize retrieval strategies for accuracy.


Please message.

Get to know Hasan Jehangir

Hasan Jehangir

Data Scientist, AI, ML Engineer

  • FromPakistan
  • Member sinceApr 2021
  • Languages

    Urdu, Pashto, English
I’m Hasan, an AI/ML engineer with hands-on experience in deep learning, computer vision, and NLP. I’ve built impactful projects like NeuroShield (epilepsy detection), MelanoGuard AI (94% skin cancer detection), and CleanCapture (finalist in Microsoft AI competition). I specialize in healthcare AI, model training, and end-to-end deployment using TensorFlow, PyTorch, Azure, and Streamlit. Let’s turn your AI ideas into reality!

My Portfolio