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Software Performance Engineer

Apple

Salary not specified
Nov 9, 2025
San Diego, CA, US
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Apple's Audio and Media Technologies group is seeking a Software Engineer to define the future of streaming media, specifically focusing on the HTTP Live Streaming (HLS) protocol and its evolution. The role involves architecting and perfecting next-generation streaming experiences, minimizing resource usage, and maximizing performance across Apple's diverse hardware ecosystem.

Requirements

  • A strong command of C, with deep expertise in building robust, thread-safe systems and taming concurrency with advanced synchronization.
  • A profound understanding of the operating system from the metal up-from virtual memory and CPU scheduling to I/O and memory management.
  • Proven ability to hunt down and solve the most complex bugs using your expert knowledge of system profiling and analysis tools (GDB/LLDB, Instruments, Wireshark, etc.).
  • Experience designing and architecting complex, scalable software systems.
  • A history of resolving intricate threading or memory bugs, especially in resource-constrained embedded environments.
  • Familiarity with Objective-C, which is foundational to many of Apple's frameworks.

Responsibilities

  • architect the future of Streaming technology and perfect its performance
  • design and build the next generation of streaming experiences that will define how people interact with media
  • dive deep into our Core Media engine to not only minimize memory usage and improve battery life, but also to achieve scalability
  • ignite the full power of Apple Silicon for demanding experiences like Multi-View, all while operating elegantly within a tight thermal budget
  • Your code will make the impossible feel effortless on every device-from the most compact Apple Watch to the immersive canvas of Apple Vision Pro

Other

  • Advanced studies (MS/PhD) in a related field, demonstrating a deeper exploration of computer science principles.
  • A proven track record of driving complex projects to completion in a large, multi-functional engineering environment.
  • Exceptional time management and the ability to navigate competing priorities while maintaining an unwavering commitment to quality.
  • The integrity and judgment to make sound, timely decisions that move projects forward.
  • A genuine passion for building an inclusive and complementary team culture where everyone can provide their best work.