Mac UI and Compositing Engineer **Cupertino, California, United States** **Software and Services** **Summary** Posted: **Jul 30, 2025** Weekly Hours: **40** Role Number: **200591932** The Mac UI and Compositing team is focused on making the Mac the most flexible, responsive, and powerful platform in the world. Our team enables other Apple frameworks and HI to create new ways for Mac users to interact with their systems by efficiently utilizing hardware acceleration and color technologies through compositing and display software. We are looking for a software engineer that is as passionate about system interaction and performance as we are, with a strong background in systems or OS framework engineering. **Description** This position is an opportunity to have a huge impact on Mac, contributing to the design and development of our UI software stack with a focus on system responsiveness, power efficiency, and quality. In this position, the code you develop will be involved every time a user interacts with their Mac. Our software stack spans from rendering and compositing of the applications co-existing in our UI along with the management of display configurations, down to submitting rendered UI frames to physical and virtual displays. You will be expected to dive into components across the Mac operating system to debug complicated rendering or performance issues. You will also be ensuring that low power paths, such as video playback and other light workloads use as little power as possible, helping to extend customer battery life. A careful eye for detail will be required, as you will be working on critical system components, where stability, performance, and low memory usage are critical. **Minimum Qualifications** + 5+ years of software development experience + BS or MS Degree or equivalent experience + Fundamentals on Operating Systems and Parallel Programming + Strong programming skills and experience with C/C+ **Preferred Qualifications** + Experience debugging difficult issues that involve multiple system components + Knowledge of or desire to learn Swift + Knowledge of system development and/or device driver development + Passion for root causing problems and finding the best solutions + Eagerness to work across multiple teams to make system improvements + Experience debugging performance and power problems + Excellent verbal and written communication skills **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 $147,400 and $272,100, 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.