Christian Schilling worked on the esrlabs/openbsw repository, focusing on simplifying the UDS Library API by removing numerous trivial getter and setter methods. This targeted refactoring in C++ aimed to reduce boilerplate code and streamline the API surface, making it easier for future contributors to understand and maintain. By concentrating on code quality and maintainability, Christian ensured that the changes preserved backwards compatibility and did not introduce new bugs. The work demonstrated disciplined version-control practices and a strong grasp of embedded systems and diagnostic services, resulting in a cleaner, more accessible codebase that supports faster onboarding and lower maintenance overhead.