Gergő Tisza
Staff Software Engineer at Wikimedia CEE Hub
Eisenstadt, Burgenland, Austria
Summary
👤
Senior🎓
Top SchoolGergő Tisza is a Staff Software Engineer with 13+ years building scalable web platforms, currently focused on core infrastructure and multimedia features at the Wikimedia Foundation. He brings deep LAMP-era expertise—PHP, MySQL/Oracle, memcached—as well as front-end skills in HTML/CSS/JS and a strong record modernizing MediaWiki, including work on authentication, content storage refactors, a W3C-compliant CSS parser/sanitizer, and a new image viewer. Passionate about open knowledge and equitable access, he prioritizes tools that empower users and scale for public benefit, and has contributed backend fixes and performance improvements to the MediaWiki core that powers Wikipedia. A long-time Wikipedian and organizer, he pairs technical leadership with movement-level experience running volunteer initiatives and building donation and event infrastructure. Notably, he implemented OAuth account auto-creation and machine-readable extraction of semi-structured file metadata—practical features that bridge editorial workflows and machine consumption.
13 years of coding experience
7 years of employment as a software developer
MS, Information Technology, MS, Information Technology at Budapest University of Technology and EconomicsMaster of Science (MSc), Computer Science, Master of Science (MSc), Computer Science at Eötvös Loránd University
Hungarian, English, German
Stackoverflow
27,839reputation
4.7mreached
857answers
35questions
http-post
top-5%
exit
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regex
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javascript
top-5%
cross-browser
top-1%
security
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Github Skills (33)
jquery10
utf10
security10
php10
exception-handling10
html10
internet-explorer10
cookie10
cross-browser10
mysql9
post9
javascript9
ajax9
apidoc9
regex9
Programming languages (24)
Github contributions (5)
wikimedia/mediawiki
Oct 2013 - Jan 2023
🌻 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:
Back-end Developer
Back-end DeveloperContributions:574 commits in 9 years 4 months
Contributions summary:Gergő primarily focused on back-end development, making modifications to the MediaWiki codebase. Their contributions included implementing account auto-creation features for OAuth apps, fixing documentation for database functions, enhancing logging of arbitrary data in exception handling, and modifying the behavior of the Status class. Further development work also involved code cleanups and performance improvements to several core components.
wikimediaphpwikipediacollaborative-editingruns
wikimedia/php-gpglib
Sep 2015 - Dec 2017
Contributions:12 commits, 4 PRs, 15 pushes in 2 years 3 months
gpgstateless
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