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Graphics Compositing UI Rendering Engineer

Apple

Apple

Design
Cupertino, CA, USA
USD 181,100-318,400 / year + Equity
Posted on Aug 8, 2025
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The CoreAnimation team within GGML is responsible for UI rendering and compositing, orchestrating operations across graphics acceleration units and display pipelines. This role within CoreAnimation is focusing on the development of the UI rendering engine to support the various elements and effects that constitute the foundational blocks on which our higher-level UI frameworks and applications are built on both iOS and macOS. The candidate for this role will be working with our HI teams and higher-level UI frameworks (UIKit, AppKit, SwiftUI) to implement such effects using Metal API for hardware acceleration on GPU and other acceleration engines on Apple Silicon. They will also work on tools and processes around triaging, performance/power optimizations, and improving the quality and robustness of our UI stack.
Development of UI compositing engine responsible for rendering to support the various elements and effects in to it and support higher level UI frameworks and Applications for both iOS and macOS devices.
  • Working closely with HI team and higher-level UI Frameworks (UIKit, AppKit, SwiftUI) to implement such effects using state-of-the-art 3d graphics API for hardware acceleration on GPU and other acceleration engines on Apple Silicon Performance and power optimizations to provide responsive UI and great user interaction experience across all Apple devices
  • Debug UI rendering or performance/power/memory issues and support continuous integration effort to maintain quality
  • Experience with graphics API and graphics acceleration of 2D or 3D content
  • Experience writing graphics shaders and implementing advances rendering techniques
  • Experience debugging and optimizing applications
  • Excellent communication and collaboration skills
  • Fundamental Knowledge of GPU programming
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 $181,100 and $318,400, 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 commission payments as well as relocation. Learn more about Apple Benefits.

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.

Apple accepts applications to this posting on an ongoing basis.

Apply now
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