Job responsibilities: - Designing and developing mobile applications to ensure high performance and availability on Android and iOS platforms. - Building user interfaces using the React tech stack, ensuring code reusability and efficiency. - Developing cross-platform applications using the Flutter framework to enhance development speed and user experience. - Continuously optimizing application performance and user experience, troubleshooting issues and bugs. Candidate requirements: - Fluent in Chinese; English proficiency is a plus. - Experience with iOS or Android mobile app development. - Proven experience in Flutter and Dart development. - Knowledge of state management solutions in Flutter (e.g., Provider, Riverpod). - Strong understanding of Clean Architecture principles and application to Flutter projects. Desirable: - Prefer candidates with experience in the crypto or trading.