Testing Frameworks, Java, MVVM, Android SDK, Ble, Bluetooth, Kotlin, Dependency Injection, RESTful API integration, Jetpack libraries, performance optimization, Clean Architecture, location services, local data storage solutions

Git, Scrum, Agile, Java, Gradle, Sentry, Firebase Crashlytics, Kotlin, Jenkins, Release Management, GitHub Actions, mobile testing frameworks, Fastlane, Bitrise, Google Play Console, Android build systems