During July 2025, Mohammad Mostamhd contributed to the nicholasyoder/rotki repository by developing a feature that enables users to refresh balances for individual exchange accounts. He implemented the refreshExchangeBalance function and integrated it into the user interface, allowing for granular, per-exchange balance updates and giving users more control over data freshness. Working primarily with TypeScript and Vue.js, Mohammad focused on frontend development and seamless UI/backend integration to enhance balance management capabilities. His work addressed the need for more accurate and timely data without introducing new bugs, demonstrating a focused approach to delivering targeted business value within a short timeframe.