Jan De Groot
Co-founder & Accessibility Engineer at Voertuigexpert B.V.
's-Hertogenbosch, North Brabant, Netherlands
Summary
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Senior🎓
Top SchoolJan De Groot is a co-founder and accessibility engineer with 11 years of experience building inclusive mobile, web, and API experiences from the Netherlands. He leads Abra, which combines automated accessibility testing with audits and training, and co-founded Speechlabel and Voertuigexpert to deliver accessible products and large-scale vehicle data services. Jan contributes to the W3C Mobile Accessibility Task Force as a facilitator, translating expert guidance into practical resources for app developers. Trained in Human-Computer Interaction (MSc) and Software Engineering (BSc), he codes across Android, iOS and web stacks with a focus on accessibility-first design and implementation. Beyond consultancy he runs the Appt Foundation to share open knowledge and tooling that lowers the barrier to accessible apps. A detail many miss: he pairs academic HCI rigor with hands-on product launches and even hardware integrations for blind and visually impaired users.
11 years of coding experience
8 years of employment as a software developer
KTH Royal Institute of TechnologyPre-master, Human Media Interaction, 7, Pre-master, Human Media Interaction, 7 at Universiteit TwenteBachelor of Science (BSc.), Informatica (Software Engineering), 7.7, Bachelor of Science (BSc.), Informatica (Software Engineering), 7.7 at SaxionMaster of Science (MSc.), Human Computer Interaction & Design, A, Master of Science (MSc.), Human Computer Interaction & Design, A at Université Paris-Saclay
Dutch, English
Stackoverflow
889reputation
100kreached
10answers
13questions
spring-mvc
top-5%
spring
top-5%
eclipse
top-5%
jpa
top-5%
Github Skills (102)
flutter-ios10
xamarin-forms10
android10
flutter10
accessibility10
ios10
react-native10
xamarin10
talkback10
react10
spring-mvc9
android-audio9
jpa9
kakao9
eclipse9
Programming languages (12)
Github contributions (5)
w3c/matf
Feb 2024 - Apr 2025
Guidance from the Mobile Accessibility Task Force (MATF)
Contributions:8 reviews, 12 PRs, 101 pushes in 1 year 1 month
accessibilityandroidios
appt-org/appt-org
Dec 2022 - May 2024
Source code of appt.org
Contributions:1 review, 1 PR, 7 pushes in 1 year 5 months
accessibility
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