Carl-eric Menzel is a Senior Consultant based in Munich with 14 years of experience delivering pragmatic Java backend solutions and mentoring teams across enterprise clients. He has a strong track record in performance optimization and maintainability—evidenced by contributions to the widely used Apache Wicket project where he sped up large choice list conversions and improved component typing and form handling. At codecentric (and previously at Cognizant, C1 SetCon and Senacor) he blends hands-on development with consulting, coaching and delivery leadership. Beyond code, he advocates for safety, consent culture and increased queer representation in tech, often translating community-building energy into meetups and mentoring. This combination of deep technical craft and intentional inclusivity makes him a reliable partner for teams tackling complex web applications.
Apache Wicket - Component-based Java web framework
Role in this project:
Backend Developer
Contributions:86 commits, 17 PRs, 14 comments in 6 years 2 months
Contributions summary:Carl-eric focused on optimizing the `apache/wicket` repository by improving the performance of large choice list conversions. They implemented a map-based solution within `convertChoiceIdsToChoices` to speed up this process. The user also addressed external redirect issues within the `WicketTester` for more accurate testing. Furthermore, the user made improvements to the generic typing of the `TabbedPanel` and `AjaxTabbedPanel`, improving code maintainability. Finally, the user addressed several issues relating to form submissions and button behavior including the introduction of before/after form submit handling.
Wicketstuff-core projects are bundled user contributions for use with Apache Wicket. They are released in step with Wicket releases to make them easy to use.
Contributions:2 PRs, 6 pushes, 4 branches in 5 years 8 months
apache-wicketwicketstuffapachereleasedjava
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