Worked on the symfony/symfony repository to refine Ukrainian translations for validator messages, focusing on improving the clarity and natural language usage of error messages related to video and image validation. Applied expertise in internationalization, localization, and translation management to enhance the user experience for Ukrainian speakers. Utilized XML to review and correct translations, ensuring alignment with established quality standards and providing traceable commit references for transparency. Emphasized robust quality assurance processes and Git-based code review practices throughout the development cycle. The work addressed user-facing messaging, resulting in more accurate and accessible validation feedback for Ukrainian users without introducing new bugs.