Develop applications for iOS and Android following industry best practices and standards. Implement design patterns like MVVM. Consume REST API services. Utilize tools such as Dagger Hilt, Retrofit, Coroutines, LiveData, and DataBinding. Work with navigation components and Room (Android). Implement push notifications. Conduct testing and stress tests on developed applications to ensure their quality and performance. Review and assess methodologies and technologies used in development, implementing new ones if necessary to improve product quality and client relations.