Full Stack Developer  |  Backend-Focused  |  MERN & Java/Spring Boot

🧑‍💻 About Me

• 🎓 Pre-Final Year (3rd Year) B.Tech CSE @ Ajay Kumar Garg Engineering College (AKGEC) — CGPA 8.5/10 (through 2nd year)
• 💼 Currently a Full Stack Engineer Intern at Swayamfin Financial Services — building a production fintech platform end-to-end
• 🏆 IIT Delhi Hackathon Finalist — Devcation Delhi 2026, organized by GDG IIT Delhi & IGDTUW — led a 4-member team building GraphGuardians
• 🛠️ Comfortable across the stack: React.js / TypeScript on the frontend, Node.js, Express, Spring Boot on the backend
• 🔐 Enjoy building secure, production-grade systems — auth flows, rate limiting, OTP + Google reCAPTCHA, JWT, real-time WebSocket architecture
• 🧩 Active competitive programmer (LeetCode, Codeforces, CodeChef) and open-source contributor
• 📫 Reach me at varshneydev365@gmail.com

🧰 Tech Stack

Languages

Frontend

Backend

Databases

Tools & Infra

💼 Experience

Full Stack Engineer Intern — Swayamfin Financial Services   Remote, Delhi    Apr 2026 – Present Building and maintaining a production fintech platform end-to-end — React.js frontend, admin CRM dashboard, and agent portal, with backend built in Spring Boot Designed 20+ REST APIs and automated lead routing logic (city → branch → round-robin agent) with SMS/email notifications, compliant with RBI Fair Practice Code & DPDP Act Collaborating with stakeholders on feature planning, API design, and production deployment workflows

Backend Developer — Team Conatus, College Technical Society, AKGEC   Full-time    Nov 2025 – May 2026 Built and hardened backend APIs with OTP verification, Google reCAPTCHA, and rate limiting to secure society platform features against abuse Deployed and managed the platform's server on AWS EC2, handling traffic from 1,000+ college students

Freelance Full Stack Developer — Self-Employed    2026 Designed and delivered a complete business website for AstroMadhupriya, an astrology consultancy — service pages, appointment booking, blog, and contact/lead capture — live at astromadhupriya.com

🚀 Featured Projects

🎮 Skribbl.io Arena — Real-Time Multiplayer Game

React TypeScript Node.js Socket.IO PostgreSQL Vercel Render

Full-stack real-time multiplayer drawing & guessing game, built from scratch — both frontend and backend — in 72 hours. Real-time WebSocket state sync across concurrent players, turn management, live canvas, scoring, reconnection, and full score persistence. OOP architecture (Room, Game, Player), PostgreSQL on Neon.

🔗 Live Demo  |  💻 Source

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💰 Swayamfin — Fintech CRM Platform

React.js Spring Boot Java MongoDB JWT Tailwind CSS

Complete fintech LSP platform built from scratch — React.js frontend and Spring Boot backend — with an admin CRM, agent portal, automated lead routing, and 20+ REST APIs. RBI Fair Practice Code & DPDP Act compliant.

🔗 Live  |  💻 Full Source  |  ⚙️ Backend Only

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🔮 AstroMadhupriya — Business Website

React.js Node.js Hosting & Deployment

Complete business website designed and built from scratch for an astrology consultancy — service pages, appointment booking, blog, and contact/lead capture.

🔗 Live  |  💻 Source

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🛡️ GraphGuardians — GitHub Vulnerability Scanner

Node.js Express.js · IIT Delhi Hackathon Finalist Project

Backend that fetches and scans GitHub repositories to detect security vulnerabilities. Built as part of a 4-member team that reached the finals at the IIT Delhi Hackathon (Devcation Delhi 2026), organized by GDG IIT Delhi & IGDTUW.

💻 Source

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📝 Registration System Backend

Spring Boot Java AWS EC2

Backend server handling 1,000+ student registrations with team formation logic, deployed on AWS EC2 with PM2 — achieved 99.5% uptime during live events.

💻 Source

🏆 Achievements

• 🥇 IIT Delhi Hackathon Finalist — Devcation Delhi 2026: Led a 4-member team building GraphGuardians to the finals at IIT Delhi among thousands of participants nationwide (GDG IIT Delhi & IGDTUW)
• 🎓 CGPA 8.5/10.0 at AKGEC (through 2nd year) · 90.88% in CBSE Class XII (PCM)
• 🧩 168 problems solved on LeetCode · active rated profiles on Codeforces & CodeChef
• 🌐 Regular contributor to open-source repositories on GitHub

📊 Competitive Programming

📈 GitHub Stats

🤝 Let's Connect