Portfolio • LinkedIn • GitHub

• 💻 Full-stack developer building scalable, production-grade systems
• ⚡ Specialized in low-latency APIs, real-time systems, and backend architecture
• 🧠 Exploring Machine Learning, System Design, and Cyber Security
• 🎯 Focused on solving real-world problems with measurable impact

🔗 Live | Frontend Repo | Cool Guide Backend| ML Backend Repo

• Built a full-stack electronics recommendation platform
• ⚡ Designed sub-200ms APIs for real-time product suggestions
• 🧠 Implemented ML-based personalized recommendation system (top-k filtering)
• 💰 Integrated affiliate-based monetization system
• Tech: FastAPI, Next.js, MongoDB, Scikit-learn, Zustand

🔗 Frontend Repo|🔗 Backend Repo| 🔗 Chat-backend |🔗 Live

• Developed a real-time discussion platform for product-based conversations
• ⚡ Engineered low-latency live comment system using WebSockets + Redis
• 🐳 Built Dockerized scalable architecture
• Tech: Next.js, Express.js, PostgreSQL, Redis, WebSockets

🔗 Repo |🔗 Live

• Built a data-driven college recommendation platform
• 📊 Processed 10,000+ DTE records
• 👥 Helped 1000+ students make informed decisions
• ⚡ Optimized backend APIs for fast response under concurrent usage
• Tech: React, Express.js, MongoDB

🔗 Repo 🔗 Live

• Developed an ML-powered fitness recommendation system
• ⚡ Achieved ~100ms prediction latency
• 🧠 Generated personalized workout & diet plans using KNN
• Tech: React, Flask, Scikit-learn

• Built and scaled a platform serving 4000+ students
• Implemented secure authentication (JWT + CSRF protection)
• Designed efficient frontend-backend workflows for scalability

• Delivered 5+ production-ready applications
• Built responsive, user-focused UI systems
• Collaborated in fast-paced development environments

• 🧠 I’ve worked with x86 (NASM) Assembly to understand software behavior at the binary level 🔗https://github.com/CoolSidOfficial/assembly_lang

• 💻 I can literally write text in binary (0s and 1s)

• ⏳ Been coding for years — my journey goes back to 2017 on GitHub
  🔗https://github.com/siddhantsid

• 🧠 Solved 200+ DSA problems
• 🚀 Built 20+ full-stack & ML projects
• 🏁 Smart India Hackathon 2023 & 2024 – Semi-Finalist
• 🥉 3rd Prize – Debate & Quiz (Google Student Club × Microsoft Student Ambassador)

• 🌐 Portfolio: https://coolsid.tech
• 💼 LinkedIn: https://linkedin.com/in/siddhant-jain-coolsidofficial
• 📧 Email: siddhantjainmvm@gmail.com
• 💬 Discord: CoolSidOfficial

I build fast, scalable, real-world systems with measurable impact — not just projects.

• CrimeInsight – Decision-tree based crime prediction using demographic + temporal data
  Tech: Scikit-learn, NumPy
  🔗 https://github.com/CoolSidOfficial/CrimeInsight

• Indian GDP Predictor – Regression model forecasting economic trends from historical data
  Tech: Scikit-learn, NumPy
  🔗 https://github.com/CoolSidOfficial/Indian_Gdp_Predictor

• FIQUA – Responsive e-commerce frontend for fish marketplace
  Tech: HTML, CSS, JavaScript
  🔗 https://github.com/CoolSidOfficial/fiqua

• TextBin – Binary-to-text conversion web tool with clean UI
  Tech: Django, Python
  🔗 https://github.com/CoolSidOfficial/TextBin

• Advocate Portfolio Website – Production-ready portfolio built with Next.js + TypeScript
  🔗 https://github.com/CoolSidOfficial/Advocate-website

• B Portfolio Site – Full-stack portfolio using React + Django backend
  🔗 https://github.com/CoolSidOfficial/britney_portfolio

• ImageLoc – Telegram bot extracting GPS metadata from images
  Tech: Pyrogram, MongoDB
  🔗 https://github.com/CoolSidOfficial/Image_Loc

• Report Helper – CLI tool automating proofreading workflows using Excel + shortcuts
  🔗 https://github.com/CoolSidOfficial/Report_Helper

• File Arranger (Python) – Automates folder organization based on file types
  🔗 https://github.com/CoolSidOfficial/File_Arranger

• GUI Calculator – Lightweight desktop calculator using Tkinter
  🔗 https://github.com/CoolSidOfficial/gui_calc

• EasyAircrack – Automates wireless network auditing workflows (educational use)
  🔗 https://github.com/CoolSidOfficial/easy_aircrack-ng

• Keylogger (Research Tool) – Demonstrates input capture and secure log transmission concepts
  🔗https://github.com/CoolSidOfficial/py-keylogger

• CoolEncrypt – Lightweight real-time encryption/decryption tool
  🔗 https://github.com/CoolSidOfficial/coolencrypt

• Java File Arranger – Offline file organization system
  🔗 https://github.com/CoolSidOfficial/Java_file_Arranger

• ClsColor.h – Custom C++ header for simplified ANSI color handling
  🔗 https://github.com/CoolSidOfficial/clscolor.h

• Indinum Generator – Generates structured phone number datasets (security testing context)
  🔗 https://github.com/CoolSidOfficial/indinum-gen

• CoolWeather App – Location-based real-time weather mobile app
  Tech: React Native
  🔗 https://github.com/CoolSidOfficial/CoolWeather_Android

• GeoTrack – Geolocation-based attendance system (SIH project)
  🔗 https://github.com/SIH24-KEENDEVS/GeoTrack_app

• ESP32 Weather Station – Sensor-based environmental monitoring system
  🔗 https://github.com/CoolSidOfficial/iot-stuff/tree/main/esp32_weather_station

• Bhopal AQI Station – Low-cost air quality monitoring using MQ-135 + ESP8266
  🔗 https://github.com/CoolSidOfficial/BhopalAQiStation