Programming

It's a very flexible language so can find a niche almost anywhere. I know of fintech companies that use it extensively for their back end data processing systems, and I've seen some really interesting stuff done with Clojure and Apache Kafka. They're a good fit for each other - Clojure, as a lisp, is optimised for processing infinite lists of things and Kafka topics can be easily conceptualised as an infinite stream of data.

Also, when combined with Clojurescript, it provides a single language that can be used full-stack, so could drop in anywhere that you might otherwise use Node.

But I think one of the best things about it is the way it forces you to re-evaluate your approach to development. It's a completely functional language so you have to throw away any preconceptions about OO and finding new ways to resolve old problems is one of the things that should be a joy for most developers, even if it has no practical application.

IMHO it would fit use cases of java, mostly long running services. But it is a hosted language with different implementations on top of javascript, .net etc. So it might branch out other use cases like frontend dev. It has a small but active community. Although it might be most popular lisp nowadays.

If you are not familiar with lisp and aim is having fun while learning new things then clojure will fit nicely. It is so joyful once you get the initial weirdness because it will feel different. You just fire up a REPL, leave it running in background, hook your ide/editor to it and start sending evals. The application grows while it is running. I find the workflow quiet enjoyable.