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HariNayan/README.md

Hi, I'm Harinayan 👋

Computer Science Student (AI & ML) • Software Engineer • Entrepreneur

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

🚀 Featured Project

📄 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, Retrieval-Augmented Generation (RAG)

🛠 Tech Stack

Languages

Python Java JavaScript TypeScript

AI & Data

LangChain FAISS Scikit-Learn

Tools

Git GitHub Vercel

💼 Experience

Co-Founder & Technical Lead — Laze Store

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

Freelance Developer

Delivered web development and UI projects for individuals and small businesses.

🏆 Achievements

  • Smart India Hackathon — Internal Round Shortlist
  • Built multiple end-to-end software projects
  • Founder and technical lead of an e-commerce startup

📈 GitHub Stats

🐍 Contributions

Contribution Snake Animation

📫 Connect With Me

Email • LinkedIn • GitHub

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  1. Rag-Based-Pdf-Chatbot Rag-Based-Pdf-Chatbot Public

    RAG-based PDF Chatbot built with Python, Sentence Transformers, FAISS, and LLM APIs. The system parses PDFs, generates semantic embeddings, retrieves relevant context using vector search, and produ…

    Python 1

  2. Agentic-Ai-and-NLP-Driven-Space-Simulator Agentic-Ai-and-NLP-Driven-Space-Simulator Public

    Agentic AI and NLP-driven 3D space simulator with real-time space data and interactive planetary exploration.

    TypeScript

  3. AI-powered-Subtitle-Generater AI-powered-Subtitle-Generater Public

    An AI-powered React web application that automatically generates, styles, and exports high-quality video subtitles using Google's Gemini API.

    TypeScript

  4. Automated-Weight-Loss-Testimonial-Reel-Generator Automated-Weight-Loss-Testimonial-Reel-Generator Public

    Automated Weight Loss Testimonial Reel Generator

    TypeScript