APPLE INC has the following available in Seattle, Washington. Responsible for designing and developing new features in our OS-level framework to manage the lifecycle of Machine Learning models on device. Provides unit tests that result in a high level of code coverage to ensure quality work. Utilize Test Driven Development (TDD), user space OS work, including but not limited to, daemon development, interprocess communication (IPC), C++/Objective-C and other OO languages for multi-threaded system programming. Works on triaging, debugging and finding the root cause of incoming problem reports on iOS, tvOS, watchOS, visionOS, macOS by utilizing UNIX internals. Fixes bugs across the framework, related daemons, libraries, and internal tools through programs including C++ and/or Obj-C. Consults on adoption of internal APIs framework and works with adopters to understand new requirements for enhancements to the OS framework in iOS, tvOS, watchOS, visionOS and macOS. Requires a deep understanding of internal APIs, and working with the system in iOS, tvOS, watchOS, visionOS, macOS. Consults with adopters on low level system behaviors and use of internal APIs. 40 hours/week. At Apple, base pay is one part of our total compensation package and is determined within a range. This provides the opportunity to progress as you grow and develop within a role. The base pay range for this role is between $190,486 - $258,100/yr and your base pay will depend on your skills, qualifications, experience, and location.