HTML/HTML5 CSS/CSS3 SASS LESS JavaScript

REST git Kotlin 1.7+ Android Studio Jetpack architecture

Kotlin Android Jetpack GraphQL AppSync AWS

Kotlin Java Android Developer Android programmer

APIs. REST/JSON Swift Kotlin Java Dart

java spring micro

REST JSON APIs Kotlin Java

Kotlin Objective-C Web Services Rest Services Core Java

Amazon Web Services (AWS) Coding Standards Data Architecture Groovy Java

iOS Object-Oriented Programming Data structures Java Swift

Android Core Java Kotlin Objective-C Web Services

Kotlin Objective-C Web Services Rest Services Core Java

Room DB MVVM LiveData RxJava Coroutines

Kotlin Rest API GraphQL Java JDK

iOS applications Swift open source frameworks Agile practices APIs