Senior Backend Engineer for GPU Compiler

1 week ago

Cupertino, California, United States Apple Full time

Position Overview:

Role Identifier:

As a key contributor to the Apple Silicon GPU Compiler Backend Performance Team, you will be responsible for enhancing the open-source LLVM mid-level optimizer and our LLVM-based machine-dependent code generator tailored for the Apple GPU architecture.

About the Apple GPU Architecture:

The Apple GPU architecture is integral to the silicon that drives macOS, iOS, iPadOS, tvOS, and watchOS devices. Your contributions will significantly influence the performance of billions of Apple devices that have been shipped globally.

Our collaborative environment spans various divisions within Apple, including hardware architecture, silicon engineering, device drivers, application frameworks, and the Xcode developer tools. This cross-functional collaboration empowers our team to impact both hardware design and software infrastructure.

Our Mission:

We are dedicated to delivering exceptional performance, functionality, and reliability for all graphics shaders and compute kernels operating on Apple GPUs.

Our focus is on enhancing the user experience by optimizing the execution speed of the code generated for Apple GPUs while reducing energy consumption. We are at the forefront of enabling new GPU architectures, technologies, and applications through innovative compiler solutions.

Essential Qualifications:
  • Strong communication skills, particularly with individuals who may not possess technical expertise in your areas of specialization.
  • A collaborative mindset towards addressing complex challenges.
  • Proficiency in writing modern C++ code.
  • Hands-on experience in developing LLVM-based compiler backends, including instruction selection, scheduling, and register allocation.
  • Experience with instruction selection using either LLVM's SelectionDAG or GlobalISel.
  • Experience in implementing SSA-based optimization passes.
Preferred Qualifications:
  • Experience in enhancing instruction schedulers and register allocators for CPU or GPU compiler backends.
  • Understanding of GPU architectures and their distinctions from CPU architectures.
Compensation & Benefits:

At Apple, base salary is one component of our comprehensive compensation package, which is determined within a range. This structure allows for career progression as you grow and develop in your role.

The base salary range for this position is between $175,800 and $312,200, with actual salary depending on your skills, qualifications, experience, and location.

Apple employees have the opportunity to become shareholders through participation in Apple’s discretionary employee stock programs.

Eligible employees can receive discretionary restricted stock unit awards and may purchase Apple stock at a discount through the Employee Stock Purchase Plan.


Additional Benefits:

Comprehensive medical and dental coverage, retirement benefits, a variety of discounted products and services, and reimbursement for certain educational expenses related to career advancement at Apple, including tuition.

This role may also be eligible for discretionary bonuses or commission payments. For more information, please explore Apple Benefits.

Equal Opportunity Employment:

Apple is committed to fostering an inclusive and diverse workplace. We take affirmative action to ensure equal opportunity for all applicants, regardless of race, color, religion, sex, sexual orientation, gender identity, national origin, disability, Veteran status, or other legally protected characteristics.

Learn more about your EEO rights as an applicant.

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