Having worked at PayPal in the past (and then Braintree), both companies are a total mess internally. Basically nobody knows exactly how the system works, and e

Having worked at PayPal in the past (and then Braintree), both companies are a total mess internally. Basically nobody knows exactly how the system works, and every new "feature" is just a hack upon the existing system. In many ways, I'm surprised either company still functions without massive blackouts all the time. That's quite the testament to the founders' code, I guess.