Varun Deva: Full-Stack Developer
About
🚀 Full-Stack Web Developer with 4.5+ years of experience building robust applications using MERN/PERN stacks. Proficient in React, Next.js, Node.js, Express, and databases (PostgreSQL, MongoDB, MySQL). Skilled in crafting dynamic user interfaces, scalable back-end systems, API design, and seamless third-party integrations. Passionate about optimizing codebases, solving complex problems, and delivering efficient solutions.
💻 From idea to impact: Adept at translating business needs into technical features like performance tracking, compliance tools, and custom integrations. Strong foundation in computer science, with a focus on innovation and continuous learning. Committed to building solutions that drive lasting value. 🔧✨
Work Experience
Featured Projects & Tools
Real-world products, privacy-first software, and open-source packages built for performance, utility, and user trust.
India's voluntary blood donor discovery network connecting emergencies in minutes.
Built to solve urgent blood donor discovery during critical medical emergencies. Features location-based donor queries, push notifications for nearby donors, and donor privacy controls.
Free online suite of 75+ file converters & developer utilities with 100% in-browser processing.
Launched successfully on Product Hunt. Built with Web Workers, WebAssembly, and Canvas API, ensuring confidential PDFs and sensitive images never leave the user device.
Lightweight, zero-boilerplate Google Analytics library for React & Next.js.
Eliminates GA4 script boilerplate and hydration bugs in Next.js 13+ App Router. Published on npm with universal TypeScript support and minimal bundle overhead.
Live GitHub Ecosystem
Real-time telemetry, continuous deployment cadences, and open-source packages shipped by Varun Deva across 57+ software repositories.
Public open-source software and tools by Varun Deva.
Public open-source software and tools by Varun Deva.
Public open-source software and tools by Varun Deva.
🛡️ Free, privacy-first online tools - Image converter, PDF merger, JSON formatter & 60+ utilities. 100% browser-based, no file uploads. Open source toolkit for developers & everyone.
Get in Touch
Want to collaborate, discuss an opportunity, or have a question? Visit the contact page to send a direct message, or connect with me on Twitter / X.