Software Performance Engineer for Memory, CoreOS

Cupertino Until 9/22/2026 1+ years exp First posted July 24, 2026 Last posted July 24, 2026
Job description

The OS Performance team is responsible for making your iPhone, iPad, Mac and Apple Watch run smoothly and speedily release after release. Come join us if you're interested in making Apple's products run as quickly and smoothly as possible while learning about a large variety of software components.

Description

Make a difference to iOS, macOS and watchOS by collaborating with software teams all over Apple. This position will require engaging with other engineering teams to gain a deep understanding of problem domains when developing features and helping them solve those problems with performance in mind. We evangelize best practices, help teams measure and understand their performance as well as optimize their existing software. To do that, as well as to help build the tools needed for analysis, a moderate amount of coding experience is required.

Minimum Qualifications

At least one object oriented language and at least one scripting language such as Python or Ruby
Enjoys debugging or analysis work
Experience writing native apps for (or debugging) iOS, macOS or watchOS preferred
BS/MS in CS/CE or equivalent

Preferred Qualifications

Experience with Xcode Instruments suite
Skills for understanding large system architectures
Interested in several areas of software (operating systems, graphics, UI Applications, ML, compilers, etc)
Excellent spoken and written communication skills
Enjoys working in a team environment
Competent and has delivered software written in Swift/SwiftUI/Objective-C

About this role

Summary

Optimize and analyze performance of iOS, macOS, and watchOS software components.

Job title

Software Performance Engineer for Memory, CoreOS

Experience level

entry level

Minimum experience

1+ years exp

Industry

software

Location requirements

On-site in Cupertino, no remote work allowed

Salary

Not specified

Management role

No

Skills & keywords

Required skills

object oriented languagescripting languagedebugginganalysis

Preferred skills

xcode instrumentssystem architecturesswiftobjective-c

Specializations

performancememorycoreossoftware
Locations

Structured locations inferred from the posting.

Cupertino, CA, USA

On-site City