Apple Jobs in California

OS Performance Engineer

Posted: Feb 10, 2026

Weekly

Hours

40

Role Number: 200645366

SummaryWhy Apple? We live in a mobile and device driven world where knowledge of the physical world around us is needed. We rely on this knowledge to get around, to learn about our environment and to enable spectacular new features for custom applications. Apple is meeting those needs as robustly and as creatively as possible and is interested in people who want to help meet that commitment. The success we are striving will be the result of very skilled people working in an environment which cultivates creativity, partnership, and thinking of old problems in new ways. If that sounds like the kind of environment that you find intriguing, then let's talk. The Performance team is looking to take our OS Performance to the next level. This is a terrific position for an engineer passionate in solving challenging performance problems and working on cutting edge technologies.

DescriptionMake a difference in Apple's operating systems by collaborating with software teams across the stack. This position will require analyzing performance of various user experience focussed workloads and engaging with engineering teams to gain a deep understanding of problem domains. Evangelize best practices and pursue improvements.

ResponsibilitiesReview performance metric trends

Investigate logs/traces to Identify bottlenecks and potential focus areas

Work with engineering teams to come up with solutions

Prototype fixes in various codebases showcasing performance improvements

Minimum QualificationsExperience in app (UIKit/SwiftUI), framework, or systems engineering

Proficiency in Obj-C, C

•

• , or Swift

Excellent communication skills and eagerness to work cross-functionally with teams across the company

Preferred QualificationsExperience developing and using Performance tracing, profiling, logging tools will be a plus

Pay & BenefitsAt 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 $139,500 and $258,100, and your base pay will depend on your skills, qualifications, experience, and location. Apple employees also have the opportunity to become an Apple shareholder through participation in Apple's discretionary employee stock programs. Apple employees are eligible for discretionary restricted stock unit awards, and can purchase Apple stock at a discount if voluntarily participating in Apple's Employee Stock Purchase Plan. You'll also receive benefits including: Comprehensive medical and dental coverage, retirement benefits, a range of discounted products and free services, and for formal education related to advancing your career at Apple, reimbursement for certain educational expenses including tuition. Additionally, this role might be eligible for discretionary bonuses or commission payments as well as relocation.

Apple is an equal opportunity employer that is committed to inclusion and diversity. We seek to promote equal opportunity for all applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, Veteran status, or other legally protected characteristics.