If you want a job right this moment, Scala. If you want to learn about FP, and build things where concurrency wasn't an after thought, be happy while doing it,

If you want a job right this moment, Scala. If you want to learn about FP, and build things where concurrency wasn't an after thought, be happy while doing it, and be a head of the curve when Elixir conquers the world.... Elixir.