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Software Engineer, System Services & Daemons, Core OS Beaverton, Oregon, United States Software and Services Summary Posted:

Oct 26, 2026

Weekly Hours:

40

Role Number:

200691490-0505 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 Apple is an equal opportunity employer that is committed to inclusion and diversity. We seek to promote equal opportunity for all applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, Veteran status, or other legally protected characteristics. At Apple, we believe accessibility is a fundamental human right. You'll find that idea reflected in everything here — in our culture, our benefits and our digital tools. By welcoming as many perspectives as possible, we help you build a career where you feel like you belong. Apple accepts applications to this posting on an ongoing basis.