Hi. I'm Daniel. I build for everyone.

I care about building software that is clear, accessible, and nice to use, from small tools to full web apps and everything behind them.

Selected work

  • Elevenly

    A11Y for Shops and Web Apps

    Period: 2025 – Present

  • DeepSpectrum Lab

    Community

    Period: 2024 – Present

  • Teaching Maths

    VU Amsterdam

    Period: 2025 – Present

  • Speaking

    FrOSCon

    Period: 2019 – 2024

Writing.

Short essays on digital accessibility.

  • Screen reader testing in 20 minutes

    Most developers have never used a screen reader on their own site. VoiceOver is already on the Mac, NVDA installs in 90 seconds, and nine commands cover 90% of the testing.

    10 min read

  • AI alt text only sees the image

    Every time a new multimodal model ships, someone claims alt text is solved. Correct alt text depends on the image, the page and the reader. The model gets the image.

    3 min read