OS Performance Tools Engineer

Company : Apple
Location : San Diego, CA, 92101
Posted Date : 12 October 2025
Job Details
OS Performance Tools Engineer
San Diego, California, United States
The OS Performance Tools team is looking for a software developer with a keen understanding of optimization techniques and performant application design to support our efforts in performance outreach and developer engagement. Our work enables iOS, macOS, tvOS, and watchOS to perform well, and gives 3rd party developers the tools and data they need to easily write great performing apps. A successful candidate may have experience with a specific layer of software (e.g. embedded, UI, server) but an interest in learning how the entire stack and flow of information works. The ideal candidate would also not only understand the fundamentals of designing and implementing a performant application for iOS, macOS, tvOS, or watchOS, but also the impact of big data on decision making in software development.
Responsibilities
- Engage with developers on Apple platforms to resolve performance and power issues
- Develop tools for performance analysis of mobile applications
- Optimize operating system behaviors to better support app developers on Apple platforms
- Influence cross-functional teams to pursue new features that support mobile app developers
Minimum Qualifications
- Expertise in at least one layer of software development (embedded, UI, server)
- You understand how data influences decision making in software development
- You seek learning new technologies
- Aptitude to independently learn new technologies, prototype, and propose software design and solutions
- Passion for product quality and attention to detail
- Self-motivated and able to work independently
- Excellent problem-solving and critical thinking
- Prior development in Unix, Linux, or macOS
- Excellent spoken and written communication
- CS degree or equivalent experience
Preferred Qualifications
- Mobile app development experience
- Understanding of Operating System fundamentals
- Large data processing
- Complex data visualization
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 $120,300 and $210,100, 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.
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.
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