· 3+ years of iOS development experience (iPhone/iPad);
· Experience in Swift development.
· Experienced with Objective-C, along with all primary frameworks and libraries, memory management techniques, thread and state management paradigms, and tuning for performance and responsiveness.
· Solid understanding of networking protocols, IP through TCP and HTTP, and libraries for working with back-end services in synchronous and asynchronous fashions.
· Having a track record of building successful products that made it to public use -- ideally if your role was in API design and documentation.