Kotlin is not just for android apps. Kotlin is getting first class support on next generation Spring web framework with functional programming support - https:

Kotlin is not just for android apps. Kotlin is getting first class support on next generation Spring web framework with functional programming support - https://speakerdeck.com/sdeleuze/functional-web-applications-with-kotlin-and-spring-5 https://speakerdeck.com/sdeleuze/functional-web-applications... it's almost done with first class support for vert.x which is a high-performance reactive webframework https://github.com/vert-x3/vertx-kotlin-common https://github.com/vert-x3/vertx-kotlin-common The reactor project (erlang for the jvm?) is building first class support for kotlin https://github.com/reactor https://github.com/reactor I think its going to be a great year for building backend systems on jvm.