Sebastiaan Bonardt
Sr. Front-end Developer at Flink
The Hague, South Holland, Netherlands
Summary
👤
Senior🎓
Top SchoolSebastiaan Bonardt is a senior front-end developer and architect based in The Hague with 11 years of experience building accessible, responsive web interfaces and scalable front-end architectures. He combines deep expertise in HTML, CSS/SCSS, BEM, JavaScript and WCAG accessibility with extensive Drupal (7–9) and Bolt experience, often shaping both UX and underlying template/system design. As Sr. Front-end Developer at Flink and long-time freelancer (Sebbon), he blends product-minded engineering with hands-on implementation and front-end tooling like NPM, Drush and Git workflows. He’s an active contributor to Bolt core, where he modernized backend layouts and mobile-first Vue/JS components to improve usability and content listing styling. That rare mix of architect-level thinking and day-to-day coding makes him effective at turning complex CMS constraints into clean, user-centered interfaces.
11 years of coding experience
Ohio UniversityBachelor of Arts (BA), Bachelor of Arts (BA) at University of Amsterdam
Spanish, English
Github Skills (12)
php10
javascript10
bolt10
twig10
vue10
vue-jsx10
symfony10
symfony-ux10
cms9
html9
api8
css8
Programming languages (4)
Github contributions (5)
bolt/core
Jun 2019 - Oct 2019
🧿 Bolt 5 core
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:35 commits, 14 PRs, 1 push in 3 months
Contributions summary:Sebastiaan primarily focused on restructuring the backend layout and implementing responsive, mobile-first design principles. This involved significant changes to the template files (`layout.html.twig`, `menupage.html.twig`, `kitchensink.html.twig`, etc.) and associated JavaScript and Vue.js components (e.g., `Toolbar.vue`, `Sidebar.vue`, `common.js`, `index.js`), showcasing a focus on modernizing the user interface and enhancing the overall user experience. The user's contributions also include improvements to the content listing styling and modifications of action buttons.
cmsapiapi-platformbolttwig
sbonardt/makeitso-drupal
Feb 2016 - Jul 2021
Contributions:65 commits, 18 pushes in 5 years 5 months
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