Siim Aarmaa developed Estonian language localization for the ZoeyVid/NPMplus repository, focusing on expanding the platform’s international accessibility. He delivered new language files and adjusted locale management using JavaScript, applying front end development and localization skills to ensure seamless integration. Siim also translated HelpDocs into Estonian, providing native-language guidance for users and supporting improved onboarding. His work established a scalable localization workflow, collaborating cross-functionally to align with business goals of broader market reach. Although the project involved only one feature and no bug fixes, the depth of the implementation supports future internationalization efforts and enhances the user experience for Estonian speakers.