Brian Janssen is a Back End Developer based in Utrecht with a decade of practical experience building production software and supporting event-scale systems. Currently at NOS, he combines backend engineering with a background in realtime rendering from his role as a rendering engineer at Traverse Research and hands-on onsite IT support for high-profile venues. A computer science-trained developer (MSc Game & Media Technology and Business Informatics), he contributes to open-source projects like the popular Rust GUI library egui, where he’s implemented UI improvements, clipboard/IME support, and low-level state fixes. Brian blends systems-level thinking with user-facing UI insight, and his move to a community-focused Codeberg for personal projects hints at an emphasis on privacy and sustainable tooling choices.
10 years of coding experience
2 years of employment as a software developer
Master's degree, Game and Media Technology, Master's degree, Game and Media Technology at Universiteit Utrecht
VWO, Natuur en Techniek, Natuur en Gezondheid, VWO, Natuur en Techniek, Natuur en Gezondheid at Christelijk Lyceum Apeldoorn
egui: an easy-to-use immediate mode GUI in Rust that runs on both web and native
Role in this project:
Full-stack Developer
Contributions:5 reviews, 5 PRs, 9 comments in 1 year
Contributions summary:Brian contributed to the egui project by implementing various features and addressing issues. Their work involved replacing a string with a `TextWidget` within the `ComboBox` component and adding a comment to explain a specific functionality related to the Tab button, showing involvement in GUI logic and UI enhancements. The user also exposed the `area::State`'s `Rect` in memory, and fixed typos in documentation related to viewports. Additionally, they added functionality to get clipboard data and allow IME input in egui-winit, demonstrating expertise in GUI and related libraries.
Contributions:5 PRs, 241 pushes, 11 branches in 1 year 5 months
graphics
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