Software Performance Engineer for Memory, CoreOS

Cupertino, United States of AmericaFull-time2026-10-08 → 2026-11-10

Core

Optimize performance of iOS, macOS, and watchOS by collaborating with engineering teams, evangelizing best practices, and building analysis tools.

Role type

Software Performance Engineer (OS)

Builds

Performance optimization strategies and analysis tools for Apple's operating systems

Domain

Consumer electronics / Operating Systems

Required skills

Object-oriented programming, Scripting (Python/Ruby), Debugging, Native app development (iOS/macOS/watchOS), System architecture understanding

Preferred skills

Xcode Instruments, Swift/SwiftUI/Objective-C, Large system architecture, Cross-domain software knowledge (OS, graphics, UI, ML, compilers)

Technologies

Python, Ruby, Swift, SwiftUI, Objective-C, Xcode Instruments

Responsibilities

Collaborate with software teams to understand problem domains, Help teams measure and understand performance, Optimize existing software, Build tools for performance analysis

Seniority

Mid-level, hands-on IC

About Apple

Computers and Electronics Manufacturing194620Cupertino, California, USFounded 1976

We’re a diverse collective of thinkers and doers, continually reimagining what’s possible to help us all do what we love in new ways. And the same innovation that goes into our products also applies to our practices — strengthening our commitment to leave the world better than we found it. This is where your work can make a difference in people’s lives. Including your own. Apple is an equal opportunity employer that is committed to inclusion and diversity. Visit apple.com/careers to learn more.