Contributed to the wix/react-native-ui-lib repository by enhancing the ProgressBar component with new styling options, including configurable border radius and progress, to support greater theming flexibility and improve developer experience. Updated demo screens to highlight these enhancements, making new features more accessible to both developers and designers. Addressed an accessibility issue in the GridListItem component on iOS by refining accessibility properties, thereby improving usability for assistive technologies and supporting inclusive design. Leveraged React, JavaScript, and TypeScript throughout the development process, focusing on front end development and UI design to deliver reliable, cross-platform components with improved accessibility and customization.