An Ionic Framework developer designs and develops user-friendly cross-platform applications using the Ionic Framework. This involves coding in languages like HTML, CSS, JavaScript, and AngularJS. They utilize Ionic's library of pre-designed components, themes, and tools to expedite the app development process. They also ensure the seamless performance of the applications across different operating systems like iOS, Android, and Windows. Developers troubleshoot and fix bugs, maintain code quality, and stay updated with the latest industry trends in mobile app development. They may also collaborate with UI/UX designers and backend developers to enhance the functionality and aesthetics of the applications.