Sobhi Hamadi worked on enhancing cross-browser viewport scaling for the lichess-org/lila repository, focusing on improving UI consistency across Chromium-based browsers. He addressed rendering inconsistencies by adjusting the viewport meta tag to include a minimum scale, which stabilized layout behavior and reduced potential regressions. The solution was implemented with a single, traceable commit, ensuring clear auditability and minimal disruption to the existing codebase. Sobhi applied his skills in Scala, front end development, and web development to deliver this targeted feature. The work demonstrated a focused approach to browser compatibility, addressing a specific UI challenge with a concise and maintainable change.