Jose Sun focused on enhancing Traditional Chinese localization for the GlucoDataHandler repository over a two-month period, delivering two targeted feature updates. He updated and expanded zh-TW translations by editing JSON and XML files, ensuring content completeness and alignment with internationalization standards. Jose’s work improved the user experience for Chinese-speaking users by addressing missing content and refining translation consistency, without introducing new bugs. His technical approach emphasized quality and maintainability, laying the groundwork for future multilingual support. By concentrating on localization and internationalization, Jose contributed to GlucoDataHandler’s accessibility and readiness for broader global adoption and ongoing quality assurance.