Apple AR/VR Job | Software Performance Engineer
Job（岗位）: Software Performance Engineer
Citys（岗位城市）: San Diego, California, United States
Date（发布日期）: 2025-3-26
Summary（岗位介绍）
At Apple, new ideas have a way of becoming extraordinary products, services, and customer experiences very quickly. Imagine what you could do here! Do you bring passion and dedication to your job? If so, we're looking for individuals like you!
Apple's Audio and Media Technologies group (AMT) is looking for a highly skilled Software Performance Engineer to join us. The Streaming Media team works on core technologies that power leading audio-visual experiences on Apple’s platforms (iPhones/iPads, Apple TV, Apple Watch, macOS, and Vision Pro). Our team is also the creator of the HTTP Live Streaming protocol, one of the most successful adaptive bitrate streaming solutions in the industry. You will take part in designing groundbreaking features and experiences for future OS releases, and contribute to the advancement of video streaming technologies.
We are looking for a performance-oriented software engineer who can drive code optimizations across a sophisticated codebase as well as implement new innovative features with performance in mind from design until delivery.
Qualifications（岗位要求）
Strong software development experience in C with proficiency in multi-threaded development and synchronization primitives
Excellent working knowledge of Operating Systems fundamentals (virtual memory, IPC, CPU scheduling, file system, IO management, application execution, etc.)
Proven experience with modern profiling and analysis tools to implement code-level performance tuning, algorithm optimization, and latency reduction
BS/MS in CS/CE or equivalent
Description（岗位职责）
As a Streaming Media Software Performance Engineer, you will be accountable for the following:
Develop new Streaming Media features and partner closely with multi-functional teams throughout feature bring-up. Leverage analysis tools to identify top focus areas for performance optimizations. Deliver performance optimizations across new and existing code within the Streaming Media product. Collaborate with partners to orchestrate interdependent cross-interface code changes. Supply to overall media systems design and mentor junior engineers.
Additional Requirements（额外要求）
Debugging and troubleshooting software issues using system profiling, network analysis tools (e.g., GDB/LLDB, Valgrind, Xcode Instruments, Wireshark, etc.,)
Ability to create actionable insights from performance metrics and results
Strong skills for understanding large system architectures
Proven ability to work with a large multi-functional teams
Ability to stay focused and prioritize a full workload while achieving extraordinary quality
Value a diverse and inclusive work environment
Development experience in Swift or Python is a plus.
Knowledge of streaming protocols such as HLS, DASH, RTSP, RTP, etc. and media codecs, formats, transport protocols, is a plus.
