Worked on the ggml-org/llama.cpp repository to enhance the Web UI by restoring missing configuration settings and improving overall usability. Focused on stabilizing the user experience, the developer ensured that user configurations were preserved and easily accessible, reducing onboarding friction and supporting smoother workflows. In addition, they delivered a targeted UI hover performance optimization, addressing excessive style recalculation during hover events to improve responsiveness for interactive elements. The work demonstrated a methodical approach to front end development, leveraging JavaScript, CSS, and UI/UX design principles to deliver maintainable improvements that aligned with project stability and user experience objectives over two months.