Mobile App Update for iOS and Android offline project

I'm seeking a skilled full stack developer to update my existing mobile application on both iOS and Android platforms. The ideal candidate should have: - Strong experience in mobile app development for both iOS and Android. - Proficiency in updating applications and implementing new features. - Experience with backend and frontend technologies. - Familiarity with app store guidelines and deployment processes. - Strong problem-solving skills and attention to detail. Please provide examples of similar work done and your approach to handling updates.