Graphics Compositing UI Rendering Engineer

AECOM; Cupertino (CA); On-site; USD 143,000 - 265,000; Full time

Job summary

A leading company in software and services seeks a Graphics Compositing UI Rendering Engineer, focusing on UI rendering engine development for iOS and macOS. The ideal candidate will work with advanced graphics APIs, collaborating closely with UI frameworks to enhance performance and user interaction on Apple devices.

Benefits

Comprehensive medical and dental coverage

Retirement benefits

Employee stock purchase plan

Educational reimbursement for formal education

Opportunity for discretionary bonuses

Product discounts and free services

Qualifications

• Experience with graphics API and acceleration of 2D or 3D content.
• Experience writing graphics shaders and implementing advanced rendering techniques.
• Experience debugging and optimizing applications.

Responsibilities

• Development of UI compositing engine for rendering elements and effects.
• Optimize performance and power for responsive user interactions.
• Debug UI rendering issues and support CI efforts for quality.

Skills

Graphics API

Graphics Shaders

Application Debugging

Job description

Graphics Compositing UI Rendering Engineer

**Cupertino, California, United States**

**Software and Services**

**Summary**

Posted: **May 29, 2025**

Weekly Hours: **40**

Role Number: **200606688**

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.

**Description**

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.

**Minimum Qualifications**

+ 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

**Preferred Qualifications**

+ Excellent communication and collaboration skills

+ Fundamental Knowledge of GPU programming

**Pay & Benefits**

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 $143,100 and $264,200, 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. (https://www.apple.com/careers/us/benefits.html)

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 (https://www.eeoc.gov/sites/default/files/2023-06/22-088\_EEOC\_KnowYourRights6.12ScreenRdr.pdf) .

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 (https://www.eeoc.gov/sites/default/files/2023-06/22-088\_EEOC\_KnowYourRights6.12ScreenRdr.pdf) .

Apple will not discriminate or retaliate against applicants who inquire about, disclose, or discuss their compensation.

Apple participates in the E-Verify program in certain locations as required by law.Learn more about the E-Verify program (https://www.apple.com/jobs/pdf/EverifyPosterEnglish.pdf) .

Apple is committed to working with and providing reasonable accommodation to applicants with physical and mental disabilities. Reasonable Accommodation and Drug Free Workplace policy Learn more .

Apple is a drug-free workplace. Reasonable Accommodation and Drug Free Workplace policy Learn more .

Apple will consider for employment all qualified applicants with criminal histories in a manner consistent with applicable law. If you’re applying for a position in San Francisco, review the San Francisco Fair Chance Ordinance guidelines applicable in your area.

It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.