Worked on the vaadin/hilla repository to enhance routing and security features within the Java and Spring Framework ecosystem. Developed new capabilities in RouteUtil, enabling it to support advanced functionalities in FileRouterRequestUtil, such as route security checks and authority retrieval. Integrated RouteUtil as a Spring bean, allowing seamless dependency injection and improved application context management. Focused on reliability and maintainability by expanding unit test coverage to validate new behaviors and ensure production readiness. Applied code quality practices, including formatting and release preparation, to streamline the development process. The work emphasized robust integration, test-driven development, and clean, maintainable Java code.