The Performance team at Apple is seeking an engineer to enhance OS Performance by addressing challenging performance issues and working with advanced technologies. This role involves collaborating with software teams across various domains to analyze user experience workloads. The ideal candidate will be passionate about performance optimization and eager to engage with engineering teams to understand and solve problems. This position offers an opportunity to make a significant impact on Apple's operating systems.

• Experience in app (UIKit/SwiftUI), framework, or systems engineering
• Proficiency in Obj-C, C++, or Swift
• Excellent communication skills
• Eagerness to work cross-functionally with teams across the company
• Experience developing and using performance tracing, profiling, and logging tools is a plus

• Analyze performance of various user experience focused workloads
• Collaborate with engineering teams to gain a deep understanding of problem domains
• Evangelize best practices for performance improvement
• Pursue improvements in OS performance

• Employees at Apple are often offered comprehensive benefits that support physical and mental well-being—flexible medical plans, confidential counseling, onsite wellness centers at major campuses, and resources for fitness and daily life. Families typically receive fertility support, paid parental leave with gradual return, caregiving leave, and dependent-care guidance, while financial perks commonly include stock grants (with purchase discounts), 401(k) matching, and income-protection coverage. Employees also see robust time off, Apple University learning and tuition reimbursement, donation matching and paid volunteer hours, and deep product and partner discounts.