Leon Matthes
Germany, United States
Summary
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RockstarLeon Matthes is a software engineer based in Berlin with four years of experience building cross-language tooling and UI-focused systems, currently working at Slint after a hands-on engineering role at KDAB. He has strong practical expertise in Rust, C++ and Qt, demonstrated by contributions to KDAB's cxx-qt project where he improved examples, type conversions and tests to make safe Rust–Qt interop more accessible. His background includes GUI refactoring at Vector and tutoring software engineering students at the Hasso Plattner Institute, reflecting both production and mentoring experience. Leon combines systems-level thinking from an IT-Systems Engineering MSc with a pragmatic approach to developer ergonomics, often simplifying APIs and examples to accelerate adoption.
5 years of coding experience
Github Skills (5)
qml10
c-language10
rust10
cprogramming-language10
qt10
Programming languages (5)
Github contributions (5)
KDAB/cxx-qt
Nov 2021 - Nov 2022
Safe interop between Rust and Qt
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:3 releases, 1090 reviews, 29 commits in 1 year
Contributions summary:Leon primarily contributed to adding and improving example code for the cxx-qt framework, focusing on demonstrating safe interop between Rust and Qt. Their work involved creating a minimal QML example, modifying C++ and Rust files, and adding tests to validate the functionality. Further contributions include improving type conversions and refactoring code related to removing nested object support and the CppObj to simplify the API. The user demonstrated knowledge of Qt, Rust, and C++ within the context of the cxx-qt project.
qtrustqt5qt6
LeonMatthesKDAB/cxx-qt
Dec 2021 - Dec 2025
Safe interop between Rust and Qt
Contributions:479 pushes, 118 branches in 4 years 1 month
qt6rustqt4qt5interop
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