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Hi, I'm Harinayan 👋

Computer Science Student (AI & ML)Software EngineerEntrepreneur

I build AI applications, backend systems, and automation tools to solve real-world problems.


🚀 Featured Projects

📄 RAG-Based PDF Chatbot

An end-to-end Retrieval-Augmented Generation (RAG) application that enables users to upload PDF documents and ask natural-language questions grounded in the document content.

✨ Key Features

  • Parses and extracts text from multiple PDF documents
  • Generates semantic vector embeddings using Sentence Transformers
  • Stores and retrieves relevant context with FAISS
  • Produces grounded responses through OpenRouter LLM APIs
  • Supports conversational memory for follow-up questions
  • Built with a modular architecture for easy extension and maintenance
  • Interactive web interface developed with Streamlit

Tech Stack: Python, Streamlit, PyPDF2, Sentence Transformers, FAISS, OpenRouter API, RAG


🚀 Space Monitor AI

An AI-powered 3D mission control dashboard with real-time NASA telemetry, orbital mechanics, and a conversational AI co-pilot — turning raw space data into an immersive interactive command center.

✨ Key Features

  • Real-time 3D solar system with Keplerian elliptic orbits and 16 moons
  • Conversational AI co-pilot — navigate, explain, and quiz via natural language
  • 14 live data panels from NASA, NOAA, and JPL APIs
  • Agentic AI pipeline with intent classification, tool-use, and streaming SSE
  • Adaptive curriculum with 9 progressive lessons

Tech Stack: Next.js, Three.js, FastAPI, NVIDIA API, Agentic AI, NLP, TypeScript


🛠 Tech Stack

Languages

Python Java JavaScript TypeScript

AI & Data

LangChain FAISS Scikit-Learn

Tools

Git GitHub Vercel


💼 Experience

Co-Founder — Laze Store

Built and launched a Shopify-based e-commerce business and scaled it to 40+ verified orders within three months.

Freelance Developer & Content Strategist

Delivered web development, video editing, and content strategy for 15+ creators and brands including Slashy (YC S25), generating 85M+ views and 500K+ followers across platforms.


🏆 Achievements

  • Smart India Hackathon — Internal Round Shortlist

📈 GitHub Stats


📊 Contributions

3D Contribution Graph


📫 Connect With Me

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