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OS Performance Engineer

Apple

10/15/2025

San Diego, CA

Full-time

Salary: $139,500 - $258,100 a year


Job Description

Collaborate with software teams at Apple to enhance operating system performance by analyzing workloads and implementing improvements.

Requirements

  • Experience in app (UIKit/SwiftUI), framework, or systems engineering
  • Proficiency in Obj-C, C++, or Swift
  • Excellent communication skills and eagerness to work cross-functionally

Responsibilities

  • Review performance metric trends
  • Identify bottlenecks and focus areas through logs/traces
  • Collaborate with engineering teams to propose solutions
  • Prototype performance-improving fixes in various codebases

Benefits

  • 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.
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