Senior Full-Stack Developer | React | .NET | Azure | TypeScript | Three.js | GSAP

Senior Full-Stack Developer with around 8 years of commercial experience, based in Kraków, Poland, working across .NET/C#, ASP.NET Core, React, TypeScript and Azure — API design, integrations, testing, architecture, performance tuning and cloud deployment — with senior roles at StoneX, ABB and Endava/Equiniti covering financial-services platforms, regulatory reporting and Azure modernization, plus a year building a production Angular application at ABB, and working experience with Material UI, Umbraco and Terraform; alongside this I have a specialist track in real-time interactive 3D for the browser using Three.js, WebGL, GLSL and GSAP, demonstrated by nowakkamil.com, a scroll-driven 3D portfolio site I built from scratch (TypeScript, Vite, Three.js/WebGL/GLSL, Web Workers, deployed on Cloudflare Pages, source on GitHub) that has drawn direct praise from a studio CTO for its interaction performance, so I can take a project end-to-end on a standard React/.NET stack or add real-time 3D features — configurators, product visualizers, interactive brand experiences — without bringing in a separate specialist; C1 English, native Polish, open to B2B contract and freelance engagements