Summary
Mario Gorczyca is a Frontend Tech Lead with nine years of experience building user-centric, high-scale web applications, currently shaping subscriber experiences for a healthcare platform with 6M monthly users. He combines deep frontend expertise in React/Next.js, TypeScript and GraphQL with pragmatic full‑stack skills (Node.js, Python) and a strong testing culture using Jest, Playwright and observability via DataDog/Sentry. Mario has a track record of delivering A/B-tested features end-to-end—from feasibility study to analytics-driven rollouts—and maintaining legacy systems while modernizing stacks. His background in engineering and applied ML gives him a rare ability to bridge product, data and performance concerns, and he’s also a published writer and conference speaker who once completed a full marathon.
9 years of coding experience
4 years of employment as a software developer
Master of Engineering, Artificial Intelligence, Master of Engineering, Artificial Intelligence at National Chung Hsing University
Master of Engineering, Structural Engineering, Master of Engineering, Structural Engineering at Cracow University of Technology
English, Polish