Which is best for backend for Android development?

Top 7 Programming Languages for Backend Web Development

A backend allows you to implement functionality such as backing up user data to the cloud, serving content to client apps, real-time interactions, sending push notifications through Google Cloud Messaging for Android (GCM), and more.

For building up a local Android mobile application, backend developers can utilize Java or Kotlin . Java as a programming language with immense open-source apparatuses and libraries to help engineers is very legitimate. In any case, Kotlin has become a steadier and a fitting advancement choice for Android Studio.