Minkyung contributed to the CodeitFESI4-Team1/Team-1-Codeit repository by delivering authentication enhancements, UI/UX refinements, and robust API integrations. She implemented login and signup flows with error handling and session management, refactored authentication APIs for maintainability, and improved user experience through UI polish on promise-related components. Using TypeScript, React, and Tailwind CSS, she addressed CORS configuration, optimized build processes, and standardized code formatting with Prettier. Her work included updating Storybook documentation and enhancing the Gathering Detail Modal in a secondary repository, focusing on information hierarchy and interaction. Minkyung’s contributions demonstrated depth in both frontend and full stack development practices.