Worked on MIME Type Handling Enhancements for the eclipse-scout/scout.rt repository, focusing on improving file type detection and resource management within backend systems. Developed byte-array MIME type detection to enable more accurate identification of files, and introduced a convenience method for retrieving common audio MIME types, streamlining media handling processes. These updates were implemented using Java and backend development practices, with an emphasis on unit testing to ensure reliability. The enhancements improved API usability and stability for media workflows, laying the foundation for broader MIME-type support while integrating seamlessly into the core processing logic without introducing new bugs during the development period.