Interesting. Elixir builds are the fastest builds in my CI pipelines. I make sure to cache the builds/ folder; usually only a small amount of files need to be re-compiled, which is very fast. This was actually improved even further in Elixir 1.11 [0]. Compared to TypeScript + React and Java, Elixir build times are significantly better.

[0] https://github.com/elixir-lang/elixir/blob/v1.11/CHANGELOG.m...