Over a two-month period, this developer focused on foundational improvements to code review processes and project structure across several Java and Spring Boot repositories, including woowacourse/java-attendance and woowacourse/spring-roomescape-admin. They introduced standardized GitHub pull request templates featuring checklists and self-reflection prompts to enhance review quality, onboarding, and collaboration. In addition to documentation updates, they restructured application architecture by removing legacy code and streamlining dependencies. Their work included bootstrapping a new Spring Boot project and updating review templates to ensure requirements were met before submission. The developer utilized Java, JavaScript, and HTML, emphasizing maintainability and scalable development practices throughout.