Vladimir Rosentreter contributed to the bettercodepaul/swt2-bsa-backend repository by focusing on backend codebase hygiene using Java. During the month, he removed the unused FeedbackClassDTOMapper class, streamlining the mapper layer and reducing unnecessary complexity. This targeted cleanup improved maintainability and lowered the risk of confusion for future developers, making onboarding and future feature work safer and more efficient. Vladimir’s disciplined approach to version control was evident in his focused, incremental commits. While no major bugs were addressed during this period, his work demonstrated a solid understanding of backend development principles and a commitment to sustainable, maintainable Java code.