Cross-Platform Utility App Development

I'm seeking a seasoned mobile app developer with a minimum of 5 years of experience to handle an entire project. The app will be a Utility/Tool type, designed for both Android and iOS platforms. Key Responsibilities: - UI/UX Design - App Development - API Integration - Testing - Deployment to Google Play Store and App Store Essential Functionalities: - User Account Management - Data Synchronization The ideal candidate should have a proven portfolio demonstrating expertise in the above areas.