Software Engineer - Embedded Debug Tools, Core OS

Apple•Cupertino, CA

About The Position

Are you a big-picture problem solver who loves setting bold goals? Do you have a passion for understanding how each line of code affects all the others? In the Core Operating Systems group ensuring 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, and tvOS. By crafting these distinct, multidisciplinary user experiences, you’ll continue to uphold and advance the excellence people expect from Apple devices. The Core OS software team is looking for an especially talented SW engineer for the Embedded Debug Tools team. Apple uses its own internally developed SWD/JTAG solution and SW tools for all Apple Silicon product debugging. Working on this core technology will give you the opportunity to have a major impact on the success of Apple's iOS, watchOS, macOS based products. Your contributions will help turn this toolset into a world-class debugging solution. DESCRIPTION You will architect and develop scalable software solutions with the main objective of improving the silicon and low level software debugging process. Your work will involve system level software development with interactions with the following components: daemons, networking and multi-threading. You will help identify insufficiencies in the debugger and provide solutions to improve the development process for low level software including XNU and Apple's Real-Time Operating System Frameworks. You will work with peers and key individuals in HW architecture, emulation, and software to identify requirements and develop plans for future silicon debug solutions. You will be involved in all development phases from architecture, to pre-silicon emulation, to silicon bring up and to already shipped systems. May help to triage silicon and debugger interactions to identify potential HW bugs or HW insufficiencies.

Requirements

Proficient in C/C++ and Python
Working with low level SW and HW interaction.
Experience working with low level SW protocols for HW interaction.
Knowledge of hardware architecture - SoCs, CPU, GPU
Demonstrated creative, critical thinking and troubleshooting skills
Highly professional, with the ability to deliver solid work on tight schedules
Excellent collaboration skills
Outstanding written and verbal communication

Nice To Haves

Experience with SWD/JTAG and other debuggers
ARMv8 architecture knowledge
Understanding of operating system fundamentals
Knowledge of ARM's DAP architecture and JTAG
Experience developing tools for others
Experience developing debug tools
Experience with HW debugging
Experience with LLDB and/or GDB

Responsibilities

architect and develop scalable software solutions with the main objective of improving the silicon and low level software debugging process
system level software development with interactions with the following components: daemons, networking and multi-threading
help identify insufficiencies in the debugger and provide solutions to improve the development process for low level software including XNU and Apple's Real-Time Operating System Frameworks
work with peers and key individuals in HW architecture, emulation, and software to identify requirements and develop plans for future silicon debug solutions
involved in all development phases from architecture, to pre-silicon emulation, to silicon bring up and to already shipped systems
help to triage silicon and debugger interactions to identify potential HW bugs or HW insufficiencies

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