During December 2024, contributed to the Hizkia-wa/psw_kelas repository by delivering two front-end features focused on English learning materials. Developed a navigation and routing overhaul for Materi Inggris 11, introducing new React components and refactoring routing logic to improve accessibility and streamline movement between chapters and exercises. Enhanced the English Quizzes section by simplifying the quiz flow, removing authentication gating, and updating UI elements for Indonesian localization. Employed React, JavaScript, and CSS to increase modularity and maintainability, laying the groundwork for future enhancements. No major bugs were reported, reflecting a focus on quality and user experience throughout the development process.