Eric is living in Chapel Hill, NC. By night, he writes and edits science fiction. On weekends, he spends too much time making plumbers hop on things. Eric has posted 249 posts at DZone. You can read more from them at their website. View Full User Profile
As Square has grown, the methods used to ensure users can always take payments have evolved. We've refined the processes used to develop and deploy services, started using a variety of monitoring tools, and created a comprehensive, service-based on-call rotation.
I'll give an overview of all of these and discuss how Square's engineering team has adapted over the past two and a half years to support both internal and external users.