It sounds like you hired a great engineer to be honest. Elixir, and the OTP environment is well designed. But it shouldn't downplay the achievement of the guy

It sounds like you hired a great engineer to be honest. Elixir, and the OTP environment is well designed. But it shouldn't downplay the achievement of the guy who re-implemented it (or yours, for letting him do so and provide him with the adequate mentorship). Props to you both, it's an impressive feat.