How to make an efficient payment system in Erlang
There's at least one really solid payment switch written in Erlang made by VocaLink, and it was recently acquired by MasterCard after being deployed in many marketplaces for in-country domestic processing and bank-to-bank switching.Little over a year ago, at Erlang Factory SF, Visa was poking around looking to hire Erlang developers too, not sure what ultimately happened with that though.