62: Costs a Penny to Go to the Bathroom (Repeat)
Josh Bleecher Snyder, Director of Software Engineering at PayPal and co-founder of Card.io, discusses the development of PayPal Beacon, a Bluetooth Low Energy (BLE) hardware device for contactless payments. He details the engineering challenges of building a secure, privacy-preserving BLE peripheral, the decision to use the Go programming language for its concurrency and tooling, and the complexities of cross-platform mobile development. Snyder also reflects on his experience founding Card.io, its acquisition by PayPal, and the transition from startup to enterprise engineering.