API Developer

You build the connections that let different software systems talk to one another. Day to day you design and write application programming interfaces, the behind-the-scenes bridges that let apps, websites, and services share data securely and reliably. You write code, define how requests and responses should work, handle authentication and security, and document everything so other developers can use your APIs. You work on a back-end team, solving problems of performance, reliability, and clean design, and collaborating with front-end developers and partners who depend on your interfaces.