I thought only the most miserable data engineers are using it.
this post was submitted on 27 Jan 2026
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It powers lichess.org, who have made multiple blogposts about how happy they are with it.
Lichess is a FOSS chess server that somehow manages to compete with chess.com proprietary, distributed, milticloud kubernetes setup from a single VPS. According to them, scala helps.
What makes it that bad?
AFAIK it's an excellent language let down by political in-fighting in the ecosystem and subsequent fragmentation of is otherwise 'standard' libraries. IMO this kills the language.
Kotlin offers most of what Scala does with a much more solid and supportive ecosystem, it's the obvious winner in the ecological niche of 'better JVM languages', for me.
Been a while since I've used Scala, but I remember Scala being much more focused on functional programming than Kotlin.
Umm, Clojure joined the chat.
Clojure in my opinion is the most beautiful and powerful language I have ever seen.
It has the full power of java ecosystem, amazing and simple concurrency, extremely simple syntax and semantics. You literally start ascending to other dimensions after a while of writing clojure. It's like you are talking to your software.
Thanks, that's really helpful!
Scala is essentially Java so most of Java criticism applies.
It's also the basis for a popular hardwaregeneration language, chisel. No clue why they chose it
There's a lot of big applications and systems built with it. You just don't hear about it because it's not cool.