Worked on UI and UX enhancements across the pagopa/mui-italia and pagopa/pn-frontend repositories, focusing on improving accessibility, localization, and user flows. Delivered four new features, including custom styling support for the MIAlert component and refined notification and OTP verification experiences. Applied React, TypeScript, and JavaScript to implement multilingual recipient descriptions, clarify attachment labels, and align API key modal elements for better usability. Enhanced the OTP flow with a new code input supporting copy-to-clipboard and ensured email reset on cancellation. Prioritized component design and front end development, aligning technical solutions with business goals for clearer messaging and consistent localization.