Karsten Frohwein
Spryker PHP Developer at Lekkerland SE
Eilenburg, Saxony, Germany
Summary
👤
Senior🎓
Top SchoolKarsten Frohwein is a seasoned PHP web developer and team lead with over two decades in the industry and a focused decade of advanced experience in e-commerce and CMS platforms. He currently works as a Spryker PHP Developer and has driven Spryker webshop and sulu.io CMS development across roles at Sonepar Suisse and Lekkerland, blending backend engineering with hands-on system evolution. A long-time contributor to the Sulu CMS core, he has improved backend robustness, configuration handling, and coding quality in a widely used open-source CMS. Karsten’s background includes founding and running a software company, leading Drupal multisite projects for major publishers, and building pragmatic, scrum-oriented teams. He brings deep PHP/Symfony expertise, practical leadership, and a tendency to refactor for maintainability rather than quick fixes.
10 years of coding experience
16 years of employment as a software developer
Buiseness Informatics, Buiseness Informatics at University of HamburgAbitur Deutsch Erdkunde, Abitur Deutsch Erdkunde at Gymnasium Knabeweg
English, German, Japanese, Thai
Github Skills (11)
cms10
php10
back-end-development10
symfony10
symfony-ux10
database9
database-api9
databases9
admin7
configuration-management7
debug7
Programming languages (6)
Github contributions (5)
sulu/sulu
Jul 2016 - Nov 2020
Core framework that implements the functionality of the Sulu content management system
Role in this project:
Back-end Developer
Back-end DeveloperContributions:8 commits, 17 PRs, 55 comments in 4 years 4 months
Contributions summary:Karsten primarily contributed to the backend aspects of the Sulu CMS framework. Their work involved refactoring code, updating parameters, and ensuring data integrity through modifications to configuration files and database interactions. They addressed critical issues by updating exception handling and ensured that the software followed the correct coding style and practices. Furthermore, the user was also involved in a minor bug fix that corrected a typo in a command file.
cmsmanagement-systemadminphpweb-application
winterhalter-fenner/devvm
Sep 2019 - Aug 2021
Spryker DevVM (development vm)
Contributions:3 releases, 24 PRs, 19 pushes in 1 year 11 months
spryker
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