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Harshilk2799/README.md
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Profile Views LinkedIn Email Open to Work

🎯 4+ years building scalable web apps, production RAG systems, and high-throughput data pipelines — from database schema to Dockerized deployment.

Currently open to: Full Stack · AI/LLM Engineering · Backend · Remote / Hybrid / On-site

🚀 About Me

name: Harshil Khatri
role: Python Full Stack Developer & AI/LLM Engineer
experience: 4+ years
current_focus:
  - Production RAG pipelines & multi-agent systems (LangChain / LangGraph)
  - Full stack apps with Django REST Framework + React
  - High-volume, anti-bot web scraping infrastructure
previously: Software Engineer Fullstack @ TXTech (Dec 2022 – Jan 2026)
impact:
  - "1M+ document chunks indexed across 10+ enterprise clients"
  - "99%+ uptime on production scraping pipelines"
  - "40% improvement in semantic search accuracy"
based_in: Ahmedabad, India 🇮🇳
reach_me: harshilk27@gmail.com

🛠 Tech Stack

Frontend

HTML5 CSS3 JavaScript React React Router Zustand Axios Bootstrap

Backend & APIs

Python Django DRF FastAPI Flask SQLAlchemy

AI / LLM & Agents

LangChain LangGraph LangSmith OpenAI Gemini Claude HuggingFace Ollama

Vector Databases

FAISS Chroma Qdrant Weaviate Milvus Pinecone

Databases

PostgreSQL MySQL MongoDB Redis

Web Scraping & Automation

Scrapy Selenium Playwright BeautifulSoup

Async, DevOps & Tools

Celery Django Channels Docker Git GitHub Postman Linux Apache

💼 Work Experience

🔹 Software Engineer Fullstack (Python) · TXTech · Dec 2022 – Jan 2026 · Ahmedabad

  • Architected a production-grade AI-powered RAG chatbot platform (React + Django + LangChain + OpenAI + Milvus) serving 10+ enterprise clients
  • Engineered a multi-format knowledge ingestion pipeline (PDF, DOCX, OCR'd images, web URLs) → 40% improvement in semantic search accuracy across 1M+ document chunks
  • Integrated multi-provider LLM support (OpenAI, Gemini, Claude, Ollama, Hugging Face) behind a unified LangChain abstraction, eliminating vendor lock-in
  • Reduced average response latency by 35% under concurrent load using Celery + Django Channels
  • Cut client onboarding time by 60% by building a fully customizable embeddable chatbot widget

🔹 Jr. Python Developer · iExplicit Technologies · Jul 2021 – Nov 2022 · Ahmedabad

  • Built Django MVT web applications, enforcing PEP 8 / DRY principles → 30% reduction in code duplication
  • Resolved 40+ critical production bugs, improving stability across release cycles
  • Contributed to a 20% reduction in post-release bug reports through close QA collaboration

🔥 Featured Projects

🤖 AI-Powered RAG Chatbot Platform

React · Django/DRF · LangChain · OpenAI · Milvus · Docker

Full-stack chatbot platform enabling 10+ client websites to deliver context-aware answers from unstructured enterprise data.

  • 📈 40% improvement in semantic search accuracy
  • 📚 1M+ document chunks indexed (PDF, DOCX, OCR, URLs)
  • ⚡ 35% lower latency via async streaming

📚 Smart Library Management System

Python · Django · DRF · React · JWT — GitHub

Full-stack library platform with role-based Admin/Student dashboards automating inventory and access workflows.

  • ⏱ 70% reduction in operational processing time
  • 🗂 1,000+ records, sub-200ms API response times
  • 🔐 JWT auth with role-differentiated API access

💪 AI Gym Workout & Diet Planner

Python · Django · DRF · React · LangChain · Gemini — GitHub

AI-powered fitness personalization platform replacing generic templates with individualized plans from user biometrics and goals.

  • 🔗 Prompt-chaining pipeline into a Gemini-backed LLM
  • 🔄 Real-time plan regeneration with full CRUD
  • 🧠 Multi-turn session consistency across planning flows

🕷️ High-Volume Web Scraping Infrastructure

Scrapy · Selenium · Playwright · PostgreSQL · MongoDB

Enterprise-grade scraping pipeline extracting data from 50+ static and JS-rendered sources.

  • ✅ 99%+ pipeline uptime with anti-bot bypass strategies
  • 💾 Millions of records processed, optimized storage
  • 🚀 30–50% faster execution via concurrency/async

📊 GitHub Stats & Activity

Harshil's GitHub Stats Top Languages

GitHub Streak

Harshil's Activity Graph

🌐 3D Contribution Calendar

3D Contribution Calendar

🤝 Connect With Me

LinkedIn Gmail GitHub

Pinned Loading

  1. React-Beginner-Projects React-Beginner-Projects Public

    JavaScript

  2. React-Intermediates-Projects React-Intermediates-Projects Public

    JavaScript

  3. AI-Full-Stack-Gym-Workout-Planner-And-Diet-Planner-Langchain-DRF-and-Reactjs AI-Full-Stack-Gym-Workout-Planner-And-Diet-Planner-Langchain-DRF-and-Reactjs Public

    JavaScript

  4. Full-Stack-Daily-Expense-Tracker-DRF-and-Reactjs Full-Stack-Daily-Expense-Tracker-DRF-and-Reactjs Public

    JavaScript

  5. Library-Management-System-Full-Stack Library-Management-System-Full-Stack Public

    A full-stack Library Management System that enables users to manage books, track borrowing and returns, and maintain library records through a user-friendly dashboard with authentication and CRUD o…

    JavaScript

  6. URL-Shortener-Full-Stack-App URL-Shortener-Full-Stack-App Public

    SnapURL is a full-stack URL shortener that allows users to create, manage, and track short links with custom aliases, expiration dates, and click analytics through a clean dashboard interface.

    JavaScript