Apple

Apple

Posted via Apple Careers

Software Engineer, System Services & Daemons, Core OS

Always Hiring

Posted Oct 27, 2026

Role at a glance

Job function
Software Engineering & IT Software Engineering
Salary
Not Disclosed
Location
Beaverton, Oregon, United States
Experience
1+ year of experience with operating system design and development
Education
B.S. in Computer Science or equivalent experience

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Role Summary

AI-generated

This Software Engineer role in the Core Operating Systems group focuses on daemons and frameworks that support functionality throughout the system. The engineer takes part in software development from feature design and implementation through maintenance and bug fixing of released code, and develops unit and performance tests.

What You'll Do

  • Design and implement new system software features
  • Triage and fix bugs and issues in system software components
  • Write unit and integration tests for new and existing code
  • Collaborate cross-functionally with engineers in our own and other teams, as well as other functions in the company

Generated from the employer's posting. Verify important details before applying.

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Qualifications

A computer science degree or equivalent experience, strong C, C++, or Objective-C skills, and operating system design experience.

Required

  • B.S. in Computer Science or equivalent experience
  • Strong proficiency in C, C++, or Objective-C
  • 1+ year of experience with operating system design and development

Preferred

  • Development experience on macOS and/or iOS
  • Experience with common embedded hardware architectures
  • Familiar with Open Source technologies and development communities
  • Familiar with cryptographic concepts and techniques
  • Familiar with Xcode
  • Excellent collaborative skills, written and verbal communication
  • Exceptional professionalism, with the ability to deliver solid work on tight schedules
  • A genuine passion for consumer devices

Original job description

Content provided by the employer

Summary

Are you a big-picture thinker who loves setting high-reaching goals? Do you have a passion for understanding how each line of code affects all the others? In the Core Operating Systems group, you’ll ensure the OS is inseparable from each device’s identity as a whole! That’s because this group is committed to building fully integrated operating systems that combine hardware, software, and apps into a single Apple experience. Your dedication to cross-disciplinary collaboration will help develop groundbreaking technologies, such as iOS, macOS, watchOS, tvOS and visionOS. By crafting these distinct, comprehensive user experiences, you’ll continue to uphold and advance the excellence people expect from Apple devices. The Core OS organization is seeking an extraordinary engineer to work on state-of-the art technology for macOS, iOS, tvOS, watchOS and visionOS. You should have a strong understanding of operating system fundamentals and experience working throughout the stack. As a member of the team, you would participate in all stages of software development, from new feature design and implementation, to maintenance and bug fixing of released code. You will develop and improve unit tests and performance tests, and may also work on diagnosing and resolving customer reported issues.

Description

You will primarily be responsible for daemons and frameworks that support functionality throughout the system. Previous experience with writing or maintaining daemons, libraries and command line tools on a UNIX platform is key. You should have excellent analytical skills and debugging experience. In addition to developing and maintaining individual projects, you will also be expected to provide design guidance and technical support and expertise to teams across the company.

Responsibilities

Design and implement new system software features
Triage and fix bugs and issues in system software components
Write unit and integration tests for new and existing code
Collaborate cross-functionally with engineers in our own and other teams, as well as other functions in the company

Minimum Qualifications

B.S. in Computer Science or equivalent experience
Strong proficiency in C, C++, or Objective-C
1+ year of experience with operating system design and development

Preferred Qualifications

Development experience on macOS and/or iOS
Experience with common embedded hardware architectures
Familiar with Open Source technologies and development communities
Familiar with cryptographic concepts and techniques
Familiar with Xcode
Excellent collaborative skills, written and verbal communication
Exceptional professionalism, with the ability to deliver solid work on tight schedules
A genuine passion for consumer devices

Application Deadline

Apple accepts applications to this posting on an ongoing basis.

Apple

About the company

Apple

Large Enterprise

Apple Inc. is a global technology company known for its innovative products and services, including the iPhone, iPad, Mac computers, and Apple Watch. Founded in 1976, Apple has continuously pushed the boundaries of design and functionality, earning a reputation for high-quality consumer electronics and software solutions like iOS and macOS. With a strong commitment to user experience and privacy, Apple also leads in digital services, offering platforms such as the App Store, Apple Music, and iCloud. The company's focus on sustainability and corporate responsibility further enhances its standing as a leader in the technology sector.