Fatih Furkan Bilsel worked on the bounswe/bounswe2025group9 repository, focusing on backend development using Python and Django. During the month, he delivered a targeted non-functional refactor by reorganizing the PhotoSerializer class within serializers.py, moving it after the UserSerializer to improve codebase organization and readability. This change did not alter any functionality but enhanced maintainability by standardizing the ordering and grouping of related serializers. Fatih managed the code review and integration process, ensuring careful change management and minimizing risk. His work demonstrated attention to code quality and maintainability, though the scope was limited to a single feature without bug fixes.