Maciej Łebkowski
Software Engineer at WonderProxy
Warsaw, Masovian Voivodeship, Australia
Summary
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SeniorMaciej Łebkowski is a seasoned software engineer and generalist with 14 years of experience building products, teams, and engineering practices across startups and public companies. He combines hands-on full‑stack expertise—contributing to notable open-source projects like the Kunstmaan CMS—with leadership roles that emphasize team autonomy, empathy, and measurable process improvements. Known for reducing maintenance overhead dramatically and fearlessly refactoring critical codebases, he blends technical craftsmanship with product thinking and recruitment experience. He has repeatedly moved between hands-on engineering, technical product management, and talent building, often joining organizations to establish foundations for high‑performing teams. Based in Warsaw but with international roles, he writes about team processes and architecture and brings a rare mix of pragmatic coding, people leadership, and systems-level thinking.
14 years of coding experience
9 years of employment as a software developer
English, Polish
Stackoverflow
3,847reputation
354kreached
73answers
2questions
closures
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Github Skills (20)
cms10
php10
symfony10
symfony-ux10
javascript9
alias9
http9
closures9
html9
mysql7
css7
elastica7
string-formatting6
shell6
parsing6
Programming languages (8)
Github contributions (5)
Kunstmaan/KunstmaanBundlesCMS
Apr 2015 - Nov 2016
An advanced yet user-friendly content management system, based on the full stack Symfony framework combined with a whole host of community bundles. It provides a full featured, multi-language CMS system with an innovative page and form assembling process, versioning, workflow, translation and media managers and much more.
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:28 commits, 25 PRs, 150 comments in 1 year 7 months
Contributions summary:Maciej primarily contributed to the Kunstmaan CMS, making various improvements and bug fixes. Their commits included addressing typos, refactoring code, and implementing new features, particularly within the admin interface and media management components. The user also worked on the search functionality and configuration, moving mapping to Symfony config and allowing custom data indexing, and adding role checking. These changes spanned both frontend and backend aspects of the CMS.
cmscontent-management-systemfull-stacksymfonyversioning
mlebkowski/registry-compiler
Nov 2015 - Feb 2018
Tag your Symfony services to associate them with one common registry
Contributions:6 releases, 14 commits, 3 PRs in 2 years 2 months
symfony
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