Charles contributed to nasa/openmct by enhancing user interface components and improving user experience through targeted front-end development. He delivered UI/UX improvements to the Time List component, introducing new activity styling, responsive layouts, and updated status indicators using Vue.js, JavaScript, and SCSS. Charles also reduced technical debt by removing deprecated widget code, streamlining future maintenance. In addition, he implemented persistent view preferences across object types by leveraging localStorage, ensuring user selections are retained during navigation. His work included end-to-end testing to validate these features and a bug fix that clarified countdown value displays, demonstrating a thoughtful approach to usability and maintainability.