My org had to write a pivotal backend service on the JVM, due to JDBC having the largest number of data source adapters.

The choice was Kotlin. Scala is too "powerful" and can be written in a style that is difficult for others, and Java too verbose.

Kotlin is instantly familiar to modern TypeScript/Swift/Rust etc devs.

The only negative in my mind has been IntelliJ being the only decent IDE, but even this has changed recently with Jetbrains releasing `kotlin-lsp` for VS Code

https://github.com/Kotlin/kotlin-lsp