If you feel any #ImposterSyndrome as a programmer about calling yourself an "engineer", just start writing your backend server software in #Erlang. Yes, you'll have to learn #Prolog syntax. Yes, you'll have to learn how to do fully functional programming with only immutable data structures. Yes, it is fully asynchronous and designed for reliability and fault tolerance. Yes, it is highly dynamic and can do things like update running software remotely with new code with zero downtime.