Real-Time UI Rendering Engineer — Performance & Power

Apple Inc.; Cupertino (CA); On-site; USD 150,000 - 278,000; Full time

Benefits offered by this job

Medical and dental coverage

Retirement benefits

Discounted products and free services

Educational expense reimbursement

Job summary

Apple Inc. in Cupertino, California, is seeking a Software Engineer for UI Rendering, Performance & Power to advance real-time graphics across the Apple product family.

You will contribute to CoreAnimation, Metal rendering, and low-level compositing while collaborating with HI Design, UI Frameworks, and GPU teams to deliver fast, visually stunning experiences. The role emphasizes performance, power efficiency, and quality across devices like Apple Watch, iPhone, iPad, Mac, and Vision.

Qualifications

• 3+ years of software development experience.
• 2+ years of experience with real-time rendering and computer graphics.
• Experience delivering graphics or rendering features in production software.
• Strong expertise in C/C++ programming and GPU-accelerated rendering pipelines.
• Hands-on experience with Metal, Vulkan, or DirectX and low-level rendering optimization.
• Foundational understanding of OS, computer architecture, and CPU/GPU memory subsystems.
• Strong debugging and triaging skills for complex, multi-layered systems issues.
• Excellent collaboration skills with cross-functional teams on complex software projects.
• Experience with graphics performance analysis, profiling, and optimization across CPU/GPU boundaries.
• Experience incorporating AI-assisted workflows into software engineering practices.

Responsibilities

• Collaborate with UI Frameworks, System Experience, HI Design, Metal, and GPU Hardware to deliver rendering solutions.
• Implement and optimize UI rendering architecture and features within CoreAnimation and Metal pipelines.
• Support rendering for new UI materials (e.g., blur, Liquid Glass) across Apple devices.
• Profile and optimize rendering performance to minimize latency and improve power efficiency.
• Diagnose and fix glitches, flickering, frame drops, and visual artifacts in multi-layer rendering contexts.
• Leverage modern engineering workflows to accelerate development and deliver high-quality code.

Skills

C/C++ programming

GPU-accelerated rendering

Real-time rendering

Debugging & triaging

Cross-functional collaboration

AI-assisted workflows

OS concepts & computer architecture

Profiling & optimization

Swift/Objective-C familiarity

Education

Bachelor's or Master's in Computer Science/Computer Engineering or related field

Tools

Metal

Vulkan

DirectX

D3D12

Job description

Apple Inc. in Cupertino, California, is seeking a Software Engineer for UI Rendering, Performance & Power to advance real-time graphics across the Apple product family.

You will contribute to CoreAnimation, Metal rendering, and low-level compositing while collaborating with HI Design, UI Frameworks, and GPU teams to deliver fast, visually stunning experiences. The role emphasizes performance, power efficiency, and quality across devices like Apple Watch, iPhone, iPad, Mac, and Vision.