I spent almost all of my career writing Ruby before I ended up at a company that required me to write mostly Kotlin (a bit of scala here and there too). After a

I spent almost all of my career writing Ruby before I ended up at a company that required me to write mostly Kotlin (a bit of scala here and there too). After a few years of Kotlin I don't want to use anything else. There's a bit more ceremony to getting things set up but the experience of writing Kotlin with Intellij IDEA has been so wonderful I'm happy to keep doing it.