Also, a second question - in the conclusion, it says: > Choosing to use and getting familiar with Erlang and Elixir has proven to be a great experience. What

Also, a second question - in the conclusion, it says: > Choosing to use and getting familiar with Erlang and Elixir has proven to be a great experience. What background did the core infrastructure engineers have before tackling Discord in Elixir and Erlang?