Video and slides synchronized, mp3 and slide download available at URL http://bit.ly/1ncT8iO. From its simple roots as a PHP program, Uber has grown into a complex distributed system deployed across multiple datacenters using multiple databases and programming languages. Matt Ranney covers the evolution of Uber's architecture and some of the systems they built to handle the current scaling challenges. Filmed at qconsf.com. Matt Ranney is the Chief Systems Architect at Uber. He has a computer science degree which has come in handy over a career of mostly network engineering, operations, and analytics.