Tgbhylemaire contributed to two open source projects over a two-month period, focusing on code quality and user experience. In google/blockly-samples, they migrated all theme definitions from JavaScript to TypeScript, updating file extensions and configurations to leverage static typing for improved maintainability and safer future refactors. In geode-sdk/geode, they delivered Greek localization for the Windows Installer by updating GreekExtra.nsh, enhancing onboarding for Greek-speaking users and supporting broader internationalization efforts. Their work demonstrated proficiency in JavaScript, TypeScript, and installer development, with a focus on repository-wide consistency and traceable, standards-aligned engineering changes that addressed real user needs.