Worked on the opencast/opencast and opencast/opencast-admin-interface repositories, focusing on stability, security, and developer experience. Delivered a submodule migration to HTTPS in opencast/opencast, enhancing security and simplifying workflows by enabling password-less pushes, and provided comprehensive documentation to support release managers and onboarding. In opencast/opencast-admin-interface, addressed compatibility issues by updating import paths for DateFns and react-hotkeys-hook, ensuring continued reliability in date handling and hotkey functionality without user-facing changes. Demonstrated strong commit hygiene and adherence to process, utilizing skills in Java, JavaScript, React, and Git to maintain maintainability and compatibility across multiple branches and development environments.