i have been working with Typescript/Nodejs and C# lately ( after over 15 years mostly on JVM ecosystem ) at the day job, but having my fun with kotlin at my spa

i have been working with Typescript/Nodejs and C# lately ( after over 15 years mostly on JVM ecosystem ) at the day job, but having my fun with kotlin at my spare time. It's like a less fun Groovy... The JVM ecosystem is so large and ubiquitous, both at the modern cloud systems and "enterprisey" that i really believe it is worth learning ( and kept near ).