Java Kotlin Objective-C or Swift.

Swift/Kotlin REST ARKit ARCore

Java Kotlin Objective-C Swift iOS SDK/Frameworks

Kotlin Objective-C Web Services Rest Services Core Java

JavaScript TypeScript React Node Agile

React Native MVVM Node.JS Java Kotlin

HTML CSS JavaScript Kotlin Mobile Application Development

APIs. REST/JSON Swift Kotlin Java Dart

iOS Object-Oriented Programming Data structures Java Swift

iOS applications Swift open source frameworks Agile practices APIs

Swift Kotlin Native Biometric Authenticatio... Native WebView Security Integration