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Sahil-4/README.md

πŸ‘‹ Hi, I'm Sahil

πŸš€ MERN Stack Developer | Passionate about building scalable web apps & mentoring developers. I specialize in React, Node.js, Express, and Next.js, with hands-on experience in real-time apps, authentication systems, and cloud deployments.

πŸ’‘ I love solving problems, optimizing systems, and creating impactful digital solutions.


πŸ› οΈ Tech Stack

Frontend

HTML CSS JavaScript TypeScript React Redux Next.js

Backend

Node.js Express Socket.IO

Databases

MongoDB PostgreSQL Redis

Tools & Cloud

Git GitHub Firebase Docker Cloudinary Vercel Render Netlify


πŸ“Œ Featured Projects

πŸ“š Book Lend (Book Lending App)

  • Built REST APIs & integrated real-time communication with Socket.IO.
  • Secured login with JWT-based authentication & session management.
  • Optimized queries using Redis caching β†’ reduced latency by ~40%.

πŸ”— Source Code β€’ Live Demo


πŸ”— URL Shortener App

  • Designed a custom Base-62 algorithm β†’ generated 10k+ unique short URLs in testing.
  • Added email verification & spam protection β†’ reduced fake signups by 70%.
  • Built a React dashboard for URL management & analytics.

πŸ”— Source Code β€’ Live Demo


πŸ’Ό Work Experience

Full Stack Web Developer Intern @ Site Gutu Pvt Ltd (Apr 2025 – Jun 2025)

  • Developed a ride-hailing web app with booking, driver tracking, & payments.
  • Achieved 90%+ Lighthouse score with responsive UI.
  • Implemented real-time ride tracking with <2s latency.

Doubt Support Mentor Intern @ NullClass EdTech (Jan 2023 – Apr 2024)

  • Mentored 50+ students in MERN stack, resolving 200+ coding queries.
  • Guided projects like YouTube, Twitter, and Stack Overflow clones.
  • Built reusable teaching resources β†’ reduced repeat doubts by ~30%.

πŸŽ“ Education

Bachelors of Computer Application (BCA) Indira Gandhi National Open University (IGNOU) πŸ“… Jan 2023 – Dec 2025 (Expected)


πŸ† Achievements


🌐 Let's Connect

πŸ“Œ Portfolio πŸ’» GitHub πŸ’Ό LinkedIn πŸ“§ Email πŸ§‘β€πŸ’» LeetCode πŸ“ GeeksforGeeks


✨ "Code. Debug. Optimize. Repeat." ✨


LeetCode Stats

GitHub Stats Top Langs


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  1. dsapractice dsapractice Public

    I put solutions of leetcode and gfg problems here, currently adding daily POTDs

    C++

  2. react-infinite-scroll-smart react-infinite-scroll-smart Public

    Infinite scroll component for list and reverse list, feed and chats

    TypeScript

  3. book-lend book-lend Public

    TypeScript

  4. url-shortener url-shortener Public

    URL Shortener an app that can be used to generate short urls for a long url created using MERN stack

    JavaScript

  5. Quotes-App Quotes-App Public

    Quotes App is an Android application where you can read and share quotes.

    Java

  6. url-shortener-backend url-shortener-backend Public

    URL Shortener backend

    JavaScript