During June 2025, Dawid Walczak focused on improving the accuracy of transit map pin placement in the Wspolny-Dojazd/frontend-mobile repository. He addressed a bug where destination coordinates for map pins could be undefined by programmatically deriving the pin location from the last stop of the accepted path, ensuring more reliable map visuals for end-users. This targeted fix required strong debugging skills and a careful approach to minimize risk in the React Native codebase. Dawid utilized JavaScript and TypeScript to implement the solution, enhancing both the user experience and code traceability through precise commit messaging and clear linkage to the affected feature.