Building an Elixir Team When No One Knew Elixir

The first line of Divvy's Elixir code was committed in the summer of 2017. One thousand modules and 200,000 lines of Elixir code later, we have an engineering team of 50+ engineers who, for the vast majority, tried Elixir for the first time with Divvy's tech assessment. How did we grow such a large