3+ years of demonstrable proficiency with Swift 3+ years of demonstrable proficiency with Kotlin Knowledge of cross-platform solutions (React Native, Flutter, MAUI) is a plus Experience with dependency management (Cocoapods, Swift Package Manager, Gradle) Familiarity with LLDB, ADB, and similar debugging tools Familiarity with RESTful APIs Familiarity with MVVM and other design patterns Familiarity with SwiftUI Experience with real-time messaging protocols Solid understanding of app design best practices and supporting multiple device sizes/layouts Understanding of Apple’s design principles and interface guidelines Understanding of Material design principles Experience with e-commerce frameworks (Stripe, StoreKit) Experience with offline storage, threading, and performance tuning Ability to debug memory management issues Ability to evaluate performance issues with view layout system Experience with stack trace debugging Understanding of asynchronous programming concepts Experience with video streaming protocols (HLS, DASH, WebRTC, RTSP) Experience with production distribution Version control in a team environment with Git Understanding of the mobile development life cycle Understanding of build configurations, schemes, and build variants Familiarity with cloud message APIs and push notifications (Firebase)