Worked on gridsuite’s gridstudy-app and commons-ui repositories to deliver five user-focused features in one month, emphasizing codebase modernization and maintainability. Enhanced QuickSearch UX by adding text highlighting, result indexing, and improved search reset behavior. Led a cross-repository migration of UI components to TypeScript, refactoring network diagrams, menus, and report viewers for safer, more robust code. Improved spreadsheet functionality with real-time updates and a custom columns UI, integrating AG-Grid and Redux for accurate data handling. Upgraded dependencies to ensure stability and future readiness. Utilized JavaScript, TypeScript, and React throughout, with a focus on localization and UI/UX development best practices.