Summary
Szymon Niemiec is a Senior Frontend Developer with nine years of professional experience and seven years focused on React and Next.js, currently leading a five-person frontend team at UN7. He builds and maintains high-traffic gaming products serving over a million daily sessions, driving performance and scalable architecture with TypeScript. Szymon has a strong track record of unifying disparate React applications, improving state sharing and frontend efficiency, and actively manages QA, Sentry monitoring, and incident response. His background spans full-stack work with Node/Express and SAPUI5 integrations for enterprise clients, plus early experience with AEM-driven projects. Based in Poznan, he balances deep technical focus with team mentorship and a pragmatic enjoyment of both screen time and the outdoors.
9 years of coding experience
4 years of employment as a software developer
Inżynier (Inż.), Inżynier (Inż.) at Poznan University of Technology