Jeroen Brinkhorst focused on backend development and configuration for the svthalia/concrexit repository, addressing a critical issue in the Education module’s notification system. He corrected the routing of email notifications, course reviews, and document notices to ensure all communications reached the Turing Committee instead of the previously referenced Educacie. Using Python, Jeroen updated backend logic and configuration to align notification targets with governance requirements, thereby reducing misrouted messages and potential compliance issues. Although the work centered on a single bug fix, it demonstrated careful attention to process reliability and data integrity, contributing to more accurate and maintainable communication workflows.