Having 5 years' experience in this field with a demonstrated history of working in the computer software industry. Experience in native iOS mobile application development with - Knowledge of Provisioning, Code-signing and IPA/Build creation, App - Knowledge of MVC and MVVM application architecture. - Worked with SQLite, Core-Data, Keychain storage and Firebase database. - App development stack layouts, intents, widgets, content providers, touch - Knowledge of data protection using encryption, SSL certificate Pining. - Knowledge of GCD, Blocks and Operation Queue to support ** UI and UX design experience, Apple Human Interface Guidelines - Knowledge of instrument. Profile, debug, memory allocation and optimize - Experience with unit testing iOS applications. - Knowledge of Payment API and Card Scanning, Barcode/QR code - Fundamental knowledge of Core Bluetooth and Multi-peer API. Worked with BLE. Communicating devices by reading-writing data. - Knowledge of BLE, Multi Peer browsing and iBeacon monitoring.