Summary
Shape the future of spatial computing by building the rendering technologies that bring Apple's user interfaces into three dimensions. As part of the RealityKit team, you'll architect and optimize the systems that turn conventional app interfaces into spatial experiences, delivering exceptional visual fidelity, responsiveness, and power efficiency on Apple's next-generation vision products. Operating at the intersection of Core Animation, SwiftUI, and RealityKit, you'll advance the architecture that renders windows, text, and controls as spatial content in real time. You'll also shape RealityView, the API through which developers combine app UI with 3D content. Your work will define the visual quality and performance characteristics of spatial UI, establishing the foundation on which developers and users interact with apps across Apple's vision ecosystem.
Description
Description As a Spatial UI Rendering Engineer on the RealityKit team, you'll own the rendering quality, power, and performance of spatial UI and RealityView. You'll drive the evolution of the rendering pipeline that brings Core Animation content into RealityKit, and develop the GPU techniques necessary to ensure UI elements maintain exceptional clarity and performance under spatial viewing conditions. Your scope includes texture resolution and filtering strategies, foveated and multi-view rendering of UI content, and the shader and render-pass optimizations that preserve the clarity of text and controls while minimizing GPU, memory, and power cost. You'll also own how RealityView renders app UI and 3D content together, from the underlying rendering integration to the developer-facing behavior and APIs. You'll address complex rendering challenges, including maintaining legibility as viewing distance and render resolution change, rendering UI and 3D content together seamlessly, managing large texture workloads efficiently, and sustaining stable frame rates, memory, and power across extended sessions. You'll collaborate closely with the Core Animation, UI frameworks (UIKit, AppKit, and SwiftUI), Metal, and GPU teams to deliver cohesive solutions that meet Apple's standards for performance and user experience.
Minimum Qualifications
- Bachelor's degree in Computer Science, Computer Engineering, or equivalent practical experience
- 5+ years of professional experience in real-time graphics or rendering engine development
- Demonstrated ability to independently own and ship significant rendering features end to end
- Proficiency in C++ and shader programming languages (Metal Shading Language, GLSL, or HLSL)
- Solid understanding of texture sampling, filtering, and resolution management, and of GPU memory management and frame pacing
- Familiarity with foveated rendering, multi-view rendering, or other advanced real-time rendering techniques
- Proven record of diagnosing and resolving GPU performance, power, or memory issues using profiling tools such as Instruments, RenderDoc, PIX, or Perfetto
- Experience debugging complex rendering issues across multiple layers of the software stack
- Excellent communication and collaboration skills, with the ability to drive alignment across multiple partner teams
Preferred Qualifications
- Master's degree or PhD in Computer Science, Computer Graphics, or related field
- 7+ years of experience shipping real-time rendering features in high-profile consumer products
- Deep knowledge of Core Animation, UIKit, AppKit, or comparable UI rendering systems
- Proficiency in Swift and a track record of designing developer-facing APIs, ideally within SwiftUI or other declarative frameworks
- Expertise in high-quality text and vector rendering, including anti-aliasing, subpixel precision, and resolution-independent clarity
- Familiarity with cross-process GPU resource sharing (such as IOSurface or shared texture handles) and multi-process rendering architectures
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 $150,400 and $277,600, 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
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.
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Apple accepts applications to this posting on an ongoing basis.
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