Matěj Humpál
Lead Developer at followbubble.com
Vítkovice, Northeast, Czechia
Summary
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RockstarMatěj Humpál is a Lead Developer with 15 years of hands-on experience building and maintaining web applications and developer-facing tooling from the Czech Republic. He has progressed through engineering roles at Jyxo and Taste Medio to lead development at followbubble.com, combining back-end PHP expertise with front-end polish. His open-source contributions to the well-known mPDF project show practical upgrades to core PDF-generation logic as well as front-end documentation improvements that boosted usability and analytics. Comfortable touching both HTML/CSS and core PHP classes, he balances code cleanup and modernization with pragmatic feature work. Based in Vítkovice, he brings steady technical leadership and a preference for incremental, maintainable improvements that reduce technical debt. Colleagues would describe him as a detail-oriented engineer who quietly improves developer experience while keeping production systems robust.
15 years of coding experience
9 years of employment as a software developer
Stackoverflow
6,603reputation
545kreached
221answers
2questions
php
top-1%
pdf
top-5%
Github Skills (21)
css10
pdf10
responsive-design10
php10
html10
documentation9
user-interface8
graphical-user-interface8
ui-design8
bootstrap7
javascript7
bootstra7
codeigniter6
html-to-pdf6
mpdf6
Programming languages (13)
Github contributions (5)
mpdf/mpdf.github.io
Mar 2016 - Jan 2023
mPDF documentation
Role in this project:
Front-end Developer
Front-end DeveloperContributions:1 review, 197 commits, 46 PRs in 6 years 10 months
Contributions summary:Matěj primarily contributed to the documentation site's front-end. Their commits focused on cleaning up code, removing unused JavaScript, and adjusting the layout. They modified HTML and CSS files, adding and adjusting the structure, and included elements like a Github ribbon and analytics tracking. These changes enhanced the documentation's presentation and user experience.
mpdf
mpdf/mpdf
Sep 2011 - Jan 2023
PHP library generating PDF files from UTF-8 encoded HTML
Role in this project:Back-end Developer
Back-end DeveloperContributions:6 releases, 24 reviews, 601 commits in 11 years 6 months
Contributions summary:Matěj upgraded the codebase to newer versions of the mPDF library, specifically upgrading to versions 5.4 and 5.5. These upgrades involved changes to core classes such as classes/form.php and changes in font analysis. The user also made basic formatting improvements across various files in the classes directory.
pdfencodedutfcssphp
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