Software Engineer - Systems Performance, CoreOS

The OS Performance team is looking for a software developer with a keen understanding of app development and systems design to support our efforts building Apple's family of operating systems. Our work enables iOS, macOS, tvOS, and watchOS to perform well, and gives developers the platform 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 more importantly 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 have an appreciation for using data to drive decision making in software development. **Description** Work on various aspects of Apple’s operating systems to tackle challenging multi-faceted performance problems. You will be solving problems in the areas of usability/UX, cross-platform compatibility, API design, and performance of the operating system. You will also have the opportunity to work directly with app developers on Apple platforms to discover and resolve API gaps. An ideal candidate will be ambitious and grow to understand many layers of software. ","responsibilities":"Analyzing app performance issues and engaging with systems teams to resolve those issues. Building tools to better characterize performance issues that apps encounter on Apple platforms. Influencing cross-functional teams across Software Engineering to pursue new features that better support apps. **Preferred Qualifications** App development experience on iOS, macOS, watchOS, tvOS, or visionOS Understanding of Operating System fundamentals Strong expertise using Objective-C or Swift Practical knowledge of Apple SDK technologies like SwiftUI, Swift Data, Swift Concurrency, etc. **Minimum Qualifications** Expertise in at least one layer of software development (embedded, UI, server) You understand how to apply data science rigor to decision making in software development 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 **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 $142,300 and $263,300, 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.