The role is for a highly motivated engineer to join Apple's Platform Architecture GPU Modeling Team, focusing on the development and improvement of GPU simulators for next-generation architectures in iPhone, iPad, and Mac products. This position involves close collaboration with various teams to deliver high-performance solutions to customers. The engineer will work on creating and maintaining C++ code for modeling the software stack of GPUs and implementing Metal APIs. This is a critical role that impacts chip design and performance evaluation of new GPU features.

• Bachelor's degree in a relevant field.
• Proficiency in developing software in C++.
• Experience with GPU driver implementation.
• Familiarity with graphics APIs such as Metal, DirectX, Vulkan, or OpenGL.
• MS or PhD degree is preferred.
• 10+ years of relevant experience.
• Knowledge of drivers and implementation details of graphics and compute APIs.
• Familiarity with GPU performance models and ISS simulators.
• Experience with cutting-edge graphics applications, games, or benchmarks.
• Understanding of compilers, operating systems, and GPU/CPU architecture.
• Strong troubleshooting skills and attention to detail.
• Creative problem-solving skills.

• Create and maintain C++ code modeling the software stack for next-generation GPUs.
• Implement new and existing Metal APIs to interact with GPU models.
• Develop a custom driver stack for evaluating new GPU features.
• Collaborate with architects, modeling engineers, and software teams to assess new hardware and software features.
• Run performance experiments and analyze results to improve GPU architectures.

• Employees at Apple are often offered comprehensive benefits that support physical and mental well-being—flexible medical plans, confidential counseling, onsite wellness centers at major campuses, and resources for fitness and daily life. Families typically receive fertility support, paid parental leave with gradual return, caregiving leave, and dependent-care guidance, while financial perks commonly include stock grants (with purchase discounts), 401(k) matching, and income-protection coverage. Employees also see robust time off, Apple University learning and tuition reimbursement, donation matching and paid volunteer hours, and deep product and partner discounts.