9+ years of mobile development experience, with strong hands-on expertise in Android or iOS. Deep understanding of at least 1 cross-platform framework (Flutter / React Native / KMP), bonus points if it’s React Native. Deep understanding of mobile fundamentals, including memory management, threading, app lifecycle, and UI performance optimization. A passion for measuring and improving app performance, metrics such as start-up times, frozen frames, app size, etc. Excellent communication and leadership skills: you can mentor, inspire, and grow the team. Familiarity with CI/CD pipelines, automated testing, and code quality practices is a plus.