Thevindu Sathsara Gamage (tsgamage) — Full-Stack Developer
Thevindu Sathsara Gamage (tsgamage) — a full-stack developer from Sri Lanka, building modern, secure, high-performance web, mobile and desktop applications using Next.js, React, TypeScript, Rust, and Tauri.
Software Developer building modern web, mobile, and desktop applications

Thevindu Sathsara Gamage
tsgamage
Full-Stack Developer
I'm a passionate full-stack developer from Sri Lanka. I build modern, secure, and high-performance applications with a deep focus on clean architecture, user experience, and long-term scalability. My world revolves around code, design systems, and crafting digital products that feel simple on the surface yet powerful underneath. I love turning ideas into elegant solutions—whether it's a web app, desktop software, or a full platform.
Beyond the screen, I'm constantly learning, experimenting, and refining my skills to become the best version of myself in tech. Every project I touch is a step closer to building something meaningful.
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Crownix
Where Elegance Meets Logic
Crownix is my vision for a modern, premium software brand—built on precision, creativity, and engineering excellence. It represents the fusion of refined design and powerful systems.
Through Crownix, I aim to craft digital products that feel royal in quality and futuristic in spirit—tools that empower people, elevate experiences, and stand the test of time.
Visit WebsiteBackend & Databases
Frontend & Mobile
Languages
What I Build
Targeted solutions for real-world platforms.
Web Development
Crafting fast, responsive, and scalable web applications. I work with modern stacks like Next.js, React, and TanStack to deliver clean interfaces backed by solid architecture and performance-first design.
Mobile Apps
Building cross-platform mobile experiences for Android and iOS. With React Native, I create apps that feel native, smooth, and reliable—without compromising on design or speed.
Desktop Apps
Developing native-grade desktop applications for Windows, macOS, and Linux using Rust and Tauri. I focus on security, performance, and polished user experiences that feel truly premium.
Backend Systems
Designing robust, scalable server-side systems. From authentication flows to complex data models, I build backends that are secure, maintainable, and ready to grow with your product.