I agree with what you say. If starting right now Scala and Elixir would be the who choices I would be looking for. I started in Ruby and Node because of my pers

I agree with what you say. If starting right now Scala and Elixir would be the who choices I would be looking for. I started in Ruby and Node because of my personal knowledge with these languages and because they are widely used by open source communities. Nonetheless, I would also say that the specific blocks taking care of the hardware communication can be easily replaced, adding the right technology to the right service.