I'm looking for an experienced full stack developer to create a mobile app for both iOS and Android platforms. The app will include essential features such as user authentication, push notifications, and in-app purchases. Key requirements: - Expertise in both iOS and Android development - Proficiency in implementing secure user authentication - Experience with push notification services - Knowledge in integrating and managing in-app purchases Ideal candidates should have a strong portfolio showcasing similar projects and a solid understanding of mobile app development best practices.