← all jobs
linkedin

Software Engineer - Darwin Server, Core OS

Apple· London, England, United Kingdom
Posted 14 May 2026Frontend Engineer
Apple4.1 (14,142)10,000+ employeesnomatch
Levels.fyi · global compEM $468k TC ($468k–$468k)SWE $318k TC ($220k–$403k)
View original on linkedin

Summary

The Darwin Server team in Core OS is looking for enthusiastic engineers interested in developing system software for Apple’s operating systems. Darwin is the UNIX-like foundation at the heart of all Apple’s operating systems, stretching from the kernel up through low-level user components. The Darwin Server team is responsible for ensuring this foundation is adaptable for use in server environments, such as with the Private Cloud Compute service that powers Apple Intelligence.

In this role, you’ll have an opportunity to dive into complex technical challenges, shaping OS architecture and design of cross-functional features, actively influencing our technical direction. We are seeking candidates who are eager to learn, tackle new problems, and drive innovation through their work, while actively mentoring and supporting each other in our quest to learn and grow as technical leaders. Our environment values diverse perspectives, ideas, and collaborative styles, with the goal of creating opportunities for everyone to thrive and grow.

Description

You will be responsible for working on a range of technologies that form the foundation of Apple’s operating systems, with a focus on improving these technologies for use in server and cloud environments.

Projects you work on as part of the Darwin Server team could include:

Building technologies to enable server application packaging and distribution (like OCI images or Flatpak)

Enabling Darwin to be integrated with cloud management and orchestration technologies (similar to cloud-init or Kubernetes)

Improving Darwin’s support for observability at scale (e.g. OpenTelemetry)

Developing new security or privacy features to improve Private Cloud Compute

An Engineer On The Darwin Server Team Would Regularly

Participate in all phases of the software development cycle: from problem definition and design, through implementation, testing, and debugging

Work with client teams to build the features required for Darwin to meet their development and product requirements

Partner with technology owners throughout Apple to enable their technologies for use in server environments

Engage cross-functionally to effect technical change across Apple

Minimum Qualifications

Experience with UNIX-like systems

Strong understanding of operating systems architecture and systems programming fundamentals

Fluent in any of the following programming languages: C, Objective-C or Swift

Preferred Qualifications

Experience building operating system infrastructure to support cloud computing

Experience with system daemon, library development, or API design

Efficiency in scripting, data analysis, and automation using Python, shell, or other scripting languages

Practical understanding of security principles, concepts, and techniques (e.g. certificates, software signing, attestation)

Ability to systematically troubleshoot issues across the entire technology stack

Perspective on how successful teams build and operate cloud technologies

Involvement in open source technologies and development communities such as Darwin, FreeBSD, Linux, etc

Passion for raising the bar for privacy and security in cloud computing

BS/MS in Computer Science or equivalent knowledge and experience

At Apple, we're not all the same. And that's our greatest strength. We draw on the differences in who we are, what we've experienced and how we think. Because to create products that serve everyone, we believe in including everyone. Therefore, we are committed to treating all applicants fairly and equally. As a registered Disability Confident employer, we will work with applicants to make any reasonable accommodations. Apple will consider for employment all qualified applicants with criminal backgrounds in a manner consistent with applicable law. Learn more

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.

Learn about accessibility in Apple’s workplace

Role Number: 200662926-2114