Philip Van Heemstra
Voorzitter at GOOV Muziektheater
Greater Groningen Area Netherlands
Summary
👤
Senior🎓
Top SchoolPhilip Van Heemstra is a seasoned web developer and designer with over a decade running his own agency, van Heemstra Webdesign, delivering websites, graphic design and digital marketing from the Greater Groningen area. He combines front-end craftsmanship (HTML5, CSS3/SASS, JavaScript/jQuery) with back-end skills in PHP/Laravel and Python, and a practical eye for UX informed by graphic tools like Photoshop and InDesign. Philip is an active open-source contributor on projects such as zxing-js and jQuery touch events, where his bug fixes improved mobile touch handling and browser-based barcode rotation accuracy—work that reflects attention to edge cases in real-world clients. He also brings leadership experience as voorzitter of GOOV Muziektheater and a research background from roles at ZorgfocuZ, supported by an MA in Communication and Information Sciences from the University of Groningen. Colleagues and clients value him for shipping polished, SEO-minded sites and for quietly solving tricky cross-browser and canvas-image problems that others overlook.
10 years of coding experience
Bachelor of Arts (BA), Communicatie- en Informatiewetenschappen, Bachelor of Arts (BA), Communicatie- en Informatiewetenschappen at Rijksuniversiteit GroningenMaster of Arts (MA), Communicatie- en Informatiewetenschappen - Communicatiekunde, 8, Master of Arts (MA), Communicatie- en Informatiewetenschappen - Communicatiekunde, 8 at University of GroningenVWO, English, German, French, Mathematics, Physics, Biology, Chemistry, Arts, VWO, English, German, French, Mathematics, Physics, Biology, Chemistry, Arts at Vrijeschool De Berkel
Dutch, English, German, French
Stackoverflow
2,948reputation
873kreached
125answers
9questions
css
top-5%
jquery
top-5%
counter
top-5%
Github Skills (22)
javascript10
jquery10
typescript10
decode10
browser-api10
typescript-types10
typescripts10
image-decoder10
touch-event10
decoder10
css9
counter9
qr-code9
html6
css-animations6
Programming languages (11)
Github contributions (5)
benmajor/jQuery-Touch-Events
Apr 2020 - Nov 2020
A collection of mobile event plugins for jQuery.
Role in this project:
Front-end Developer
Front-end DeveloperContributions:9 commits, 3 PRs, 2 issues in 7 months
Contributions summary:Philip primarily contributed to the `jquery-touch-events` repository by fixing bugs related to event handling in touch-based environments. These fixes addressed issues with incorrect calls to the `.offset()` function when the event target was the `window` or `document`. The user also made minor improvements to code indentation, enhancing readability. Their work directly improved the functionality of the library for handling mobile touch events.
jquery
zxing-js/library
Nov 2018 - Nov 2018
Multi-format 1D/2D barcode image processing library, usable in JavaScript ecosystem.
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:5 commits, 1 PR in 1 day
Contributions summary:Philip primarily contributed to the `zxing-js/library` repository, focusing on the `HTMLCanvasElementLuminanceSource.ts` file, which is a key component for barcode processing in the browser. Their work centered on enhancing the `rotate()` method, addressing bugs related to image rotation and clipping, ensuring accurate barcode detection with the TRY_HARDER method. The user's changes include adjusting the canvas dimensions, implementing image drawing at the center of the canvas, and fixing incorrect dimension usage.
multi-formatbarcode-imageencoding-libraryqrcodejavascript
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