Worked on the skkuding/codedang repository to deliver a codebase localization feature focused on translating Korean comments within the problem service. This effort centered on improving code readability and maintainability for future contributors, particularly those fluent in Korean, without introducing any functional changes to the backend. Using TypeScript and leveraging skills in backend development, code refactoring, and internationalization, the developer ensured that all documentation-oriented updates maintained behavioral parity through targeted code reviews. The disciplined approach facilitated smoother onboarding and knowledge transfer, aligning internal documentation with the codebase language while minimizing risk and maintaining compatibility with existing continuous integration workflows.