During May 2025, this developer enhanced multilingual support in the pagopa-wallet-fe and pagopa-checkout-fe repositories by implementing English and German localization for wallet interfaces and expanding translation coverage in the checkout flow. Using JavaScript, HTML, and CSS, they created and integrated new language files, standardized translation structures, and corrected language strings to ensure consistent and scalable localization. Their work focused on improving the international user experience by reducing localization errors and streamlining onboarding for English and German users. The developer demonstrated expertise in front-end development, internationalization (i18n), and localization (l10n) while collaborating across teams to refine critical user flows.