Gaurav kumar
Initializing Portfolio
Open to Work — Fresher SDE / Intern

Gaurav
Kumar

Full Stack Developer · MERN Stack · Software Developer
MCA Student @ University of Delhi

Gaurav Kumar
Gaurav Kumar
Full Stack Dev · MERN · Software Developer
450+
DSA Solved
548
AIR NIMCET
3+
Projects
React.js
Node.js
MongoDB
Express.js
Socket.io
Redis
Judge0 API
Cloudinary
Mapbox
JWT Auth
Passport.js
Tailwind CSS
University of Delhi
LeetCode
HackerRank
Vercel
DSA · Graphs · Trees · DP
React.js
Node.js
MongoDB
Express.js
Socket.io
Redis
Judge0 API
Cloudinary
Mapbox
JWT Auth
Passport.js
Tailwind CSS
University of Delhi
LeetCode
HackerRank
Vercel
DSA · Graphs · Trees · DP

What I Work With

JavaScript (ES6+)92%
React.js88%
Node.js / Express.js90%
MongoDB85%
Java82%
C / C++78%
RESTful API Development90%
Redis72%
Socket.io / WebSockets80%
Data Structures & Algorithms88%
Tailwind CSS / HTML5 / CSS385%
Auth (JWT, Passport.js, bcrypt)83%
React.js Node.js Express.js MongoDB Redis Socket.io JWT Passport.js bcrypt Cloudinary Mapbox Judge0 API Tailwind CSS HTML5 CSS3 EJS Git GitHub Postman Vercel Railway VS Code Java JavaScript (ES6+) C++ C DSA DBMS OS Computer Networks OOP MVC Architecture

Featured Projects

Coding Platform
Jan 2025 – Mar 2025

LeetCode-inspired full stack coding platform supporting 5+ languages with real-time sandboxed code execution via Judge0 API. Delivers runtime, memory usage, and test case feedback across 10+ cases per problem. Integrated AI assistant for hints and video editorials, plus a user profile dashboard tracking progress across 50+ challenges.

React.js Node.js Express.js MongoDB Judge0 API Cloudinary AI
Live Demo →
🏠
Property Listing App
Aug 2024 – Nov 2024

Full stack property platform with complete CRUD operations across 10+ RESTful API endpoints, Passport.js authentication, role-based access control, and secure session management. Per-night booking system with auto-calculated payments, Mapbox integration, MVC architecture, and clean error handling.

Node.js Express.js MongoDB Passport.js EJS Mapbox Cloudinary
Live Demo →
💬
AI Collaborative Chat App
Sep 2024 – Dec 2024

Real-time collaborative chat enabling peer-to-peer messaging with AI-generated code snippets shared live across 20+ concurrent users via WebSockets. Redis session management supports 50+ concurrent sessions. @AI mention for context-aware responses, in-browser HTML/CSS/JS code preview, and collaborative Express.js server runner.

React.js Node.js Express.js MongoDB Redis Socket.io JWT
Live Demo →

Key Experience

Full Stack Developer (Project)
Jan 2025 – Mar 2025
Coding Platform — LeetCode Clone · Vercel Deployment

Built a production-ready competitive coding platform with real-time sandboxed execution, AI-powered hints, and a full profile dashboard. Achieved sub-2s page load on Vercel.

React.js Judge0 API MongoDB AI Integration Cloudinary
Full Stack Developer (Project)
Sep 2024 – Dec 2024
AI-Powered Collaborative Chat · Vercel Deployment

Developed real-time WebSocket-based chat with AI mention system, in-browser code preview, and backend server runner enabling teams to write and run code collaboratively without leaving the browser.

Socket.io Redis JWT WebSockets Node.js
Full Stack Developer (Project)
Aug 2024 – Nov 2024
Property Listing App · Onrender Deployment

Architected a scalable MVC property platform with 10+ RESTful endpoints, role-based authentication, Mapbox maps, per-night booking with auto-payment calculation, and robust error handling.

Passport.js Mapbox MVC RESTful API Session Mgmt

Academic Background

Currently Pursuing
Master of Computer Applications (MCA)
University of Delhi — Department of Computer Science
2024 – 2026 · Delhi, India
Coursework: DSA, DBMS, OS, Networks, OOP, Web Technologies,AI/ML,Information Security,Data Mining,Image Processing,NLP,Deep Learning
Completed
Bachelor of Computer Applications (BCA)
Gaya College, Magadh University
2019 – 2023 · Gaya, Bihar
Score: 73.73%
Coursework: C/C++/Java, Data Structures, DBMS, Networks, OOP, Mathematics
📜
The Complete Java Course
Infosys Springboard · Full Java curriculum covering core to advanced concepts
🗃️
HackerRank SQL Certificate
Intermediate Level — verified proficiency in SQL queries and database operations
🌐
HackerRank REST API Certificate
Intermediate Level — REST API design, consumption, and best practices
🧩
450+ DSA Problems
LeetCode, HackerRank, GeeksforGeeks — Arrays, Trees, Graphs, Dynamic Programming

Achievements & Ranks

🏆
NIMCET 2024 — AIR 548
Top 2.5% nationally among ~30,000 candidates in the National Institute MCA Common Entrance Test
🎓
CUET-PG 2024 — Top 5%
Top 5% rank nationally in the Computer Science postgraduate entrance stream
💡
450+ DSA Solutions
Solved 450+ problems across LeetCode, HackerRank, and GeeksforGeeks — arrays, trees, graphs, and dynamic programming
🚀
3 Production Deployments
All projects live on Vercel and Onrender — serving real users with sub-2s load times

Let's Connect

Seeking a fresher SDE role or internship in a collaborative, agile engineering team. Open to exciting opportunities — let's build something great together.

📞
📍
Location
Delhi, India
💼
Availability
Open to Work — Fresher SDE / Intern
Gaurav Kumar