GPU Performance Engineer, Platform Architecture

Apple Inc.; Saffron Walden; On-site; GBP 125,000 - 221,000; Full time

Job summary

Apple Inc. in the United Kingdom is seeking a GPU Performance Engineer to join the Platform Architecture GPU Modeling Team.

You will develop and maintain a high‑performance C++ model of future GPUs, collaborating with architecture, design and software partners to explore and tune hardware features for iPhone, iPad, and Mac. The role emphasizes performance debugging, data analysis, and close cross‑discipline teamwork to deliver performant products to millions of customers.

Qualifications

• Experience writing and debugging C++ code.
• Experience with scripting languages such as Python or Ruby.

Responsibilities

• Develop and maintain a high-performance C++ model of next-generation GPUs.
• Code and debug the performance and functional model of the GPU.
• Implement features such as ML for AI, ray tracing, and mesh shading.
• Verify model accuracy and correlate against other models and RTL.
• Analyze data and run performance experiments to drive architectural changes.

Skills

GPU modeling

Architectural analysis

Performance debugging

Education

MS or PhD in related field

Tools

C++

Python

Ruby

Job description

GPU Performance Engineer, Platform Architecture

Imagine what you could do here! At Apple, new ideas have a way of becoming extraordinary products, services, and customer experiences very quickly. Bring passion and dedication to your job and there's no telling what you could accomplish. Dynamic, hard-working people and inspiring, innovative technologies are the norm here. The people who work here have reinvented entire industries with all Apple Hardware products. Join us to help deliver the next groundbreaking Apple product!

We are seeking a highly motivated, innovative, and dedicated engineer to join the Platform Architecture GPU Modeling Team; we are a group that is driving advanced exploration for next generation GPU architectures in iPhone, iPad and Mac products. We rely on strong analytical skills and close collaboration to deliver the best overall solution to our customers. In this highly visible role, you will be at the center of a chip design effort working with all disciplines, with a critical impact on getting highly performant products to millions of customers quickly. This is an opportunity to join Apple's world-class GPU team to collaborate, develop and improve GPU simulators for research, performance analysis, and architectural tuning.

Description

As part of the Platform Architecture GPU Modeling team, you will be working with architecture, design and software partners on the definition and tuning of Apple's future GPU architectures. The role involves the creation and maintenance of a high-performance C++ model of our next-generation GPUs. Core responsibilities include coding and debugging a performance and functional model of the GPU; implementing modern hardware features such as machine learning for AI, ray tracing, mesh shading, and more. Other responsibilities include working with the team to ensure model accuracy, feature validation and correlating against other models and RTL. You'll develop and utilize diverse tools for analyzing the substantial amount of data generated by the models. The team is in a highly collaborative work environment, and you'll be working with experienced architects, modeling engineers, compiler engineers, and software teams to assess the feasibility of new hardware and software features, running performance experiments, analyzing results, and proposing architectural changes.

Minimum Qualifications

• Experience writing and debugging C++ code
• Experience with scripting languages such as Python or Ruby

Preferred Qualifications

• 10+ years of experience modeling GPUs, CPUs, or similar
• MS or PhD degree in related field
• Experience coding components such as processing cores, texturing units, caches, memory hierarchies, etc.
• Understanding of GPU/CPU architectures
• Experience debugging performance issues and correlating multiple models
• Understanding of data analysis tools such as: Tableau, pandas, Excel, matplotlib, etc.
• Experience working with cutting edge machine learning and/or graphics applications/games/benchmarks

Benefits and Additional Information

At Apple, base pay is one part of our total compensation package and is determined within a range. This provides the opportunity to progress as you grow and develop within a role. The base pay range for this role is between $165,800 and $292,400, and your base pay will depend on your skills, qualifications, experience, and location.

Apple employees also have the opportunity to become an Apple shareholder through participation in Apple's discretionary employee stock programs. Apple employees are eligible for discretionary restricted stock unit awards, and can purchase Apple stock at a discount if voluntarily participating in Apple's Employee Stock Purchase Plan. You'll also receive benefits including: comprehensive medical and dental coverage, retirement benefits, a range of discounted products and free services, and for formal education related to advancing your career at Apple, reimbursement for certain educational expenses — including tuition. Additionally, this role might be eligible for discretionary bonuses or commissions, as well as relocation assistance.

Note: Apple benefit, compensation, and employee stock programs are subject to eligibility requirements and other terms of the applicable plan or program.

Apple is an equal opportunity employer that is committed to inclusion and diversity. We seek to promote equal opportunity for all applicants without regard to 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.

At Apple, we believe accessibility is a fundamental human right. You'll find that idea reflected in everything here — in our culture, our benefits, and our digital tools. By welcoming as many perspectives as possible, we help you build a career where you feel like you belong. Learn about accessibility in Apple's workplace and reasonable accommodations for job applicants.

Apple accepts applications to this posting on an ongoing basis.