Sr Messages Infrastructure Engineer

Join Apple's Messages team as an engineer responsible for designing and ensuring the robustness of Messages core on-device architecture and sync infrastructure. Our team is dedicated to creating exceptional user experiences, as Messages is a crucial platform for secure global connections. You will focus on the foundational data structures, APIs, and persistence layers that power Messages across iOS, macOS, watchOS, and visionOS. Work on building and scaling infrastructure related to Messages in iCloud utilizing CloudKit, SQLite databases, and system daemons. You will have the opportunity to work closely with partner teams in iCloud, Telephony, IdentityServices. Come be part of the team helping our customers connect to their most important people in delightful, expressive ways.\n

Strong object-oriented development and design skills\nAt least 6 years of industry experience building mobile applications\nThe ability to adapt quickly to new technical environments and resolve sophisticated problems\nA passion for modular, maintainable, testable code\n

At least 2 years of prior hands-on iOS or macOS application development\nExperience with Swift and/or Objective-C preferred\nExperience with databases (SQLite), sync frameworks (CloudKit), and system daemons (XPC)\nExperience with system concepts including multi-threaded processing, synchronization, and interprocess communication\nExperience maintaining legacy code and backwards compatibility, with a record of replacing legacy code with new things in non-disruptive ways\nSpecific experience defining and driving data structures, APIs, or persistence layers for communication features\n