Stefan Leucioiu

Frontend engineer

I specialize in React/Next.js architectures and platform-scale UI systems.

About

Senior Frontend Engineer specializing in React and Next.js, with 5+ years building web applications for companies across Europe and the US including IBM, BP Digital, Jellysmack, Hertza and Bedrijfsfitness Nederland.

I work at the intersection of product and engineering. I care about user experience, but I care just as much about the architecture behind it. My focus is on Next.js, TypeScript, and performance optimization, with growing experience integrating AI capabilities into frontend products.

Currently at Bedrijfsfitness Nederland, I work on the components that help maintain our portals and evolve our architecture from a pure client-side rendering approach to a hybrid SSR platform. This is a project that touches both frontend architecture and security design.

Experience

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