Contributed to the louislam/uptime-kuma repository by delivering Polish localization and accessibility improvements, focusing on expanding the application's usability for Polish-speaking users. Leveraged internationalization and localization skills to translate over 1,400 interface strings using a Weblate-driven workflow, progressing the project toward comprehensive language support. The work centered on JSON-based translation files, ensuring consistency and maintainability within the codebase. No major bug fixes were addressed during this period, as efforts were concentrated on enhancing user experience and accessibility. This contribution established a foundation for ongoing internationalization, enabling broader market reach and improved accessibility through collaborative version-control and translation practices.