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Software Engineer - Darwin Runtime

Full Time
San Diego, CA
Posted Today
Job description


Posted: Mar 22, 2022 Role Number: 200357461 The Core Darwin team within Apple’s Core OS organization is looking for an exceptional engineer to work on Darwin Runtime technologies for Apple’s operating systems. This team is responsible for building the low level user land runtime technologies like Grand Central Dispatch, XPC, launchd, pthread, malloc, Libc, and logging infrastructure. These technologies provide a stable, fast, and high quality foundation on which iOS & macOS frameworks and applications are developed. The ideal candidate should be self-motivated and effective in operating in an environment with little overhead, and also have a desire to learn and develop technical expertise and leadership. Working on core technologies for macOS and iOS, you will have the opportunity to have a major impact on the design and implementation of Apple's consumer products. Our environment fosters product innovation, rapid product iteration, and a liberating amount of autonomy!

Key Qualifications

  • Genuine passion for low-level systems technology
  • Deep and current understanding of the C programming language
  • Strong understanding of operating system fundamentals like threading, synchronization primitives, inter-process communication, and process lifecycle
  • Experience with UNIX systems
  • Highly professional with ability to deliver solid work on tight schedules
  • Demonstrated creative, critical thinking and troubleshooting skills
  • Excellent collaborative skills, including written and verbal communication


Work with a highly skilled engineering team to design and implement new features and maintain Darwin Runtime technologies Participation in all phases of software development cycle: from problem definition and design, through implementation, debugging and testing Diagnose and resolve customer-reported issue Work with cross functional teams to support developer and product requirements

Education & Experience

B.S. in Computer Science or equivalent experience

Additional Requirements

  • Knowledge of operating systems internals, hardware architecture, and assembly programming
  • Knowledge of Swift, Objective-C, or C++
  • Involvement in open source technologies and development communities such as Darwin, FreeBSD, Linux, etc

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