John Van Hulsen
Senior Front-end & Lead Developer at On Your Marks
Mierlo, North Brabant, Netherlands
Summary
👤
Senior🎓
Top SchoolJohn Van Hulsen is a Senior Front-end and Lead Developer with 11 years of hands-on experience crafting user-focused web interfaces across agencies and sports-tech. Based in Mierlo, Netherlands, he has led front-end development at On Your Marks after eight years building digital activations and platforms for TDE, bringing a strong blend of HTML, CSS, JavaScript and Svelte expertise. His background in Communication & Multimedia Design informs a practical emphasis on design usability, turning visual concepts into accessible, performant front-ends. Comfortable both coding and guiding teams, he has a track record of shipping polished, production-ready UI for marketing-driven and interactive applications. An understated strength is his long-term agency experience, which sharpens client communication and rapid iteration in fast-moving projects.
11 years of coding experience
16 years of employment as a software developer
MBO, ICT Beheer, MBO, ICT Beheer at Gilde OpleidingenCommunication & Multimedia Design, Communication & Multimedia Design at Avans Hogeschool Breda
Stackoverflow
11reputation
2kreached
1answer
0questions
Github Skills (85)
clipboard10
flarum10
jquery9
webpack-plugin9
drag-and-drop9
tde9
laravel8
javascript8
slide8
mjml8
file-upload8
php8
scrolling8
craftcms8
forum8
Programming languages (4)
Github contributions (5)
onyourmarks-agency/oym-cookie-consent
Mar 2024 - Jun 2026
Contributions:10 releases, 1 PR, 10 pushes in 2 years 2 months
onyourmarks-agency/oym-webpack-boilerplate
Jan 2018 - Nov 2024
Webpack boilerplate for multi-purpose usage. Supports SCSS, TS, JS, Svelte and SVG compilation.
Contributions:31 releases, 9 PRs, 77 pushes in 6 years 10 months
webpack-pluginbabelsasswebpack-loaderboilerplate
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.