Volker E
Lead User Experience Engineer At Wikimedia Foundation
Vienna, Austria
Summary
👤
SeniorVolker E is a Lead User Experience Engineer at the Wikimedia Foundation with over 20 years working in the HTML and web standards space and 13 years of professional experience focused on front-end and UX engineering. He architects design systems and builds standards-compliant, mobile-first interfaces that prioritize accessibility, performance, and structured data, with hands-on contributions to MediaWiki and OOUI. As a longtime proponent of Open Standards and FOSS, he combines technical depth—HTML/CSS/JS, analytics and debugging—with design and usability practice to improve large-scale collaborative platforms like Wikipedia. Based in Vienna, he also runs a consulting practice, bringing cross-functional communication and remote teamwork skills to drive pragmatic, measurable UX improvements.
13 years of coding experience
Stackoverflow
5,967reputation
2.4mreached
77answers
6questions
jquery
top-5%
firefox
top-1%
jquery-mobile
top-5%
javascript
top-5%
css
top-1%
html
top-5%
Github Skills (19)
javascript10
css10
ui-design10
uid10
firefox10
front-end-development10
jquery-mobile9
localstorage9
jquery9
html9
zooming6
google-chrome6
html-table6
sass6
responsive-design6
Programming languages (11)
Github contributions (5)
wikimedia/mediawiki
Dec 2015 - Oct 2022
🌻 The collaborative editing software that runs Wikipedia. Mirror from https://gerrit.wikimedia.org/g/mediawiki/core. See https://mediawiki.org/wiki/Developer_access for contributing.
Role in this project:
Front-end Developer
Front-end DeveloperContributions:420 commits in 6 years 11 months
Contributions summary:Volker primarily contributed to the MediaWiki codebase by updating and implementing UI elements, specifically related to the OOUI library. They focused on integrating new versions of the OOUI framework, making changes to various UI components, and updating the associated CSS. Their work involved modifying JavaScript and CSS files, indicating a focus on front-end development and UI maintenance within the MediaWiki project.
wikimediaphpwikipediacollaborative-editingruns
DimuthuKasunWP/WikimediaUI-Style-Guide
Jun 2017 - Dec 2018
Wikimedia Design Style Guide with user interface focus, authored by Wikimedia Foundation Design team.
Contributions:96 commits in 1 year 6 months
user-interfacewikimediacssstyle-guidefoundation
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