Thomas Müller
Developer PHP at Jung, DMS & Cie. AG
Germany
Summary
🤩
Rockstar🎓
Top SchoolThomas Müller is a seasoned PHP developer based in Germany with 15 years of professional experience building and maintaining backend systems across finance and e‑commerce domains. Since 2016 he’s driven PHP development at Jung, DMS & Cie. AG after a long tenure at Unister in progressively senior roles, bringing deep practical knowledge of legacy-to-modern PHP maintenance. He contributes to notable open-source projects such as matomo-org/device-detector—improving browser/device parsing and test fixtures—and Phing, where he focused on code quality and maintainability. Thomas combines hands-on bug fixes and refactoring with QA-minded test work, making him as comfortable shipping features as ensuring they remain reliable. His background in electrical engineering gives him a methodical, systems-oriented approach to debugging and architecture.
15 years of coding experience
8 years of employment as a software developer
Dipl.-Ing. (FH), Elektrotechnik, Dipl.-Ing. (FH), Elektrotechnik at FH Lausitz, Senftenberg
German, English
Github Skills (13)
php10
parsing10
ant10
user-agent10
device-detection10
yaml10
testing10
build-automation9
build-tools9
regular-expression9
gnu-make8
makefile8
phpunit7
Programming languages (11)
Github contributions (5)
matomo-org/device-detector
Aug 2019 - Nov 2019
The Universal Device Detection library will parse any User Agent and detect the browser, operating system, device used (desktop, tablet, mobile, tv, cars, console, etc.), brand and model.
Role in this project:
Back-end Developer & QA Engineer
Back-end Developer & QA EngineerContributions:11 reviews, 28 commits, 34 PRs in 2 months
Contributions summary:Thomas primarily contributed to the device detection library by adding and updating browser definitions and device information. They updated the available browsers list in the `Browser.php` file, adding new browsers and making adjustments to existing ones. Furthermore, the user worked on modifying and rewriting test fixtures for ensuring the accuracy of the device detection, creating and maintaining tests. This involved modifying files like `misc/rewriteTestFixtureFiles.php` and `Tests/Parser/Client/BrowserTest.php`.
device-detectioncarsbot-detectionmobile-detectionuseragent
phingofficial/phing
Sep 2019 - Nov 2019
PHing Is Not GNU make; it's a PHP project build system or build tool based on Apache Ant.
Role in this project:Backend Developer
Backend DeveloperContributions:2 reviews, 9 commits, 28 PRs in 2 months
Contributions summary:Thomas's contributions primarily involve coding style improvements and fixing associated errors within the PHP project build system, "Phing." Their work includes refactoring code to adhere to consistent coding standards, indicated by the commit messages and changes in files like `CoverageThresholdTask.php` and `ReplaceTokensWithFile.php`. These changes suggest a focus on improving code quality and maintainability across various components of the project. The user also addressed coding style issues within the test files.
build-projectphpapachegnu-makegnu
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