Tijn Roozen

I'm a Dutch Frontend Developer working with React and Next.js to craft responsive, performant, and engaging web applications. I value clean code, thoughtful UI design, and smooth interactions that transform concepts into high-quality products users love.

Currently working at DEPT


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Client portfolio


Personal projects

  • Pinyin Pro

    A Chrome extension that adds "pinyin" to any Chinese characters. Pinyin serves as a phonetic guide, helping users learn how to pronounce the characters.

    Pinyin Pro
  • Hskdu

    A local-first web app for practicing Chinese character recognition. Designed to work offline and help learners reinforce and review characters efficiently.

    Hskdu