Worked on enhancing the Danish localization of the Data Grid component in the JCQuintas/mui-x repository, focusing on reducing missing translation keys and expanding coverage for additional user interface text. Applied expertise in JavaScript, internationalization (i18n), and localization to align the component with project-wide i18n standards and improve the Danish user experience. The work involved a thorough review of existing locale files, identification of untranslated or missing keys, and careful translation of new UI elements. This feature contributed to the project’s internationalization goals by ensuring more complete and accurate Danish language support, while demonstrating a methodical approach to localization workflows.