Jan Tezner
Map And Code Cleaning at Freelancer
Prague, Prague, Czechia
Summary
👤
Senior🎓
Top SchoolJan Tezner is a seasoned software engineer and CTO with 15 years of experience building and maintaining web systems using Python, Django, Postgres, GraphQL and REST. Based in Prague, he currently focuses on "map and code cleaning"—improving data quality, eliminating bugs and reducing technical debt at Mapotic while leading technology strategy at COex. He brings hands-on full-stack expertise from long-term freelance work and product roles, plus practical project management and editorial experience from co-founding a local media site. An active contributor to MODX localization, Jan has helped make a widely used CMS accessible to Czech users, showing attention to detail and internationalization. He combines a pragmatic risk-aware mindset with curiosity for useful tools and techniques, often hunting down subtle issues both in code and data. Trained in computer technology at Czech Technical University, he pairs formal education with years of real-world delivery.
15 years of coding experience
Computer Technology, Computer Technology at Czech Technical University in PragueDiS., Automation and Computer Science, DiS., Automation and Computer Science at VOŠ a SPŠ Žďár nad Sázavou
Czech, English, German, Spanish
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (8)
content-management-system10
php10
internationalization10
localization10
c-language10
modx10
content-management10
clang10
Programming languages (9)
Github contributions (5)
modxcms/revolution
Dec 2010 - Oct 2015
MODX Revolution - Content Management Framework
Role in this project:
Localization / Internationalization Specialist
Localization / Internationalization SpecialistContributions:42 commits, 8 PRs, 16 comments in 4 years 11 months
Contributions summary:Jan's contributions primarily involve translating the MODX Revolution content management framework into Czech. They focused on updating and adding to the Czech language files, specifically for the setting and user lexicon topics, ensuring that the user interface and system settings were accurately localized. The user also updated the about, default, and workspace lexicons and corrected errors within setup language files, contributing to the overall completeness and accuracy of the Czech translation.
cmsphprevolutionmodx-revolutioncontent-management
modxcms/evolution
Dec 2010 - Dec 2010
This repository was Frozen. Welcome to the new evolution of MODX Evolution!
Role in this project:Localization / Internationalization Specialist
Localization / Internationalization SpecialistContributions:5 commits in 9 days
Contributions summary:Jan primarily contributed to the localization of the MODX Evolution content management system. Their commits involve translating various strings and phrases within the system's installer, core files, and third-party snippets like AjaxSearch, Ditto, and eForm. This work focused on adding or updating the Czech language files, enabling the CMS and related components to be used with a Czech language interface. The contributions enhance the system's accessibility for Czech-speaking users.
cmsevolutiongamephpfrozen
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