- Over 10 years of experience in software development across various applications, demonstrating versatility and a continuous-learning attitude; excels as a team player and possesses exceptional presentation skills.- Extensive experience in collaborative development of hardware products.- Developed iOS framework libraries for client utilization.- Proven track record of successfully submitting apps to the App Store.- Well-versed in POS (Point of Sale) and payment services tech.- Personal interest and involvement in web-related software development.- Thrives as a freelance app developer.- Key Skills:• Data communication implementation of iOS MFI external accessory. • File system and file operations (FAT32 & exFAT). • Distribution and control multi-threaded tasks by GCD.• Stream data processing.• Base on AVFoundation related to the camera module communication.• The package operation of video and audio timely encoding stream.• Use of the GPUImage open-source framework.• The operation of the iOS media library.• Framework packaging and security management.• HTTP server related applications.• Customized UI components or various detailed interfaces and transition animation operations.• Unit testing and TDD development.• User information collection and analysis related to third-party connections (such as GA, Firebase, Facebook SDK, comScore, AppsFlyer, etc.).• WKWebView related advanced operations and JavaScript interactive processing.• Communication and data processing between App and server.• APNS related processing on the App side.• Today extension and Widget related implementations.• UI display performance optimization.• Financial data processing and draw charts.• Optimizing the efficiency of Core Data operations and multithreading interaction.