Software Engineer - Systems Performance, CoreOS
Apple· Consumer Technology· Oct 14, 2026 · 14d ago
San Diego, California, United States
In office
Full-time
Mid
$142K–$263K
Job description
Work on various aspects of Apple’s operating systems to tackle challenging multi-faceted performance problems. You will be solving problems in the areas of usability/UX, cross-platform compatibility, API design, and performance of the operating system. You will also have the opportunity to work directly with app developers on Apple platforms to discover and resolve API gaps. An ideal candidate will be ambitious and grow to understand many layers of software.
Expertise in at least one layer of software development (embedded, UI, server)
You understand how to apply data science rigor to decision making in software development
Aptitude to independently learn new technologies, prototype, and propose software design and solutions
Passion for product quality and attention to detail
Self-motivated and able to work independently
Excellent problem-solving and critical thinking
Prior development in Unix, Linux, or macOS
Excellent spoken and written communication
CS degree or equivalent experience
App development experience on iOS, macOS, watchOS, tvOS, or visionOS
Understanding of Operating System fundamentals
Strong expertise using Objective-C or Swift
Practical knowledge of Apple SDK technologies like SwiftUI, Swift Data, Swift Concurrency, etc.
Application prep
Use the role’s language and application details while tailoring your materials.
Keywords to mirror
apiswift
- Platform
- apple
- Effort
- medium
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Benefits detected in the listing.
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