Darwin Runtime Engineer, Core OS
Listed on Apple’s official careers site. Posted October 26, 2026. Check that it is still open and apply there.
Apply on Apple’s careers site →Job description
For the engineer who obsesses over the butterfly effect of a single line of code, there is no greater stage than Apple's Core OS! Core OS builds uncompromising, lightning-fast foundation that iOS, macOS, watchOS, tvOS, and visionOS stand upon. We don't just write software; we forge the soul of the machine, ensuring the operating system and the hardware breathe as one to create a seamless device identity. At the center of it all is Darwin, the UNIX-like heartbeat of Apple's operating systems, spanning from the deepest levels of the kernel up through critical low-level user components.
The Darwin Runtime team is seeking visionary engineers to push the boundaries of low-level system technologies. If you obsess over performance, security, and the massive cascading impact of your code, your life's best work is waiting for you here!
More jobs at Apple
3rd Party IP Engineering Program Manager
Cupertino, United States of America
AI Evaluations Engineer, US Decision Intelligence
Cupertino, United States of America
AI/ML Performance Analysis and Validation Engineer
Cupertino, United States of America
AIML - Distinguished Engineer, Foundation Model
Cupertino, United States of America
Similar jobs at other companies
ML Runtime and Kernel Engineer - Core ML
Cerebras Systems · Sunnyvale, CA
Runtime/Driver Software Development Engineer, Neuron Runtime
Amazon · US, TX, Austin
Neuron Runtime Software Development Engineer , Neuron Runtime
Amazon · US, CA, Cupertino
Senior Core Infrastructure Engineer
Oracle · Nashville, TN, United States