Worked on the laurent22/joplin repository to deliver a Folder Navigation Utility for the mobile app, enabling direct folder navigation through x-callback-url integration. Focused on improving mobile navigation reliability, the implementation addressed Android-specific deep-link handling, resolving issues with openFolder actions triggered from external links. The solution was developed using TypeScript and leveraged mobile development best practices to ensure maintainable and clean code. By enhancing navigation handling, the work streamlined automation workflows and improved the user experience for folder access within the app. The contribution centered on a single feature, reflecting targeted, in-depth engineering within a short, focused development period.