Swift Compiler Backend Engineer, Languages & Runtimes

San Francisco Bay Area, California, United States Software and Services Developers inside and outside of Apple depend on Swift’s unique combination of safety, ergonomics, and performance to ensure their software is as good as it can be. Your work will advance a rapidly‑evolving programming language that directly impacts the quality of every Apple software product, and supports the daily work of millions of developers outside of Apple. We are looking for a Compiler Backend engineer who is passionate about ensuring the Swift programming language continues to grow and improve. You will drive improvements to the generated code by reaching out and working closely with experts in compilers, operating systems, processors, and development tools to ensure that Swift’s compiled code works seamlessly in every supported environment. Description As a Swift Compiler Backend Engineer, you will be responsible for ongoing development and management of the Swift backend. In this role, you will work closely with the Swift optimizer team to ensure that new optimizer concepts are correctly handled, with the Swift runtime team in their ongoing search for better ways to handle Swift’s runtime reflection metadata, and with the LLVM team to steadily improve Swift’s usage of LLVM. Responsibilities Maintain and evolve Swift’s backend integration with LLVM Support Swift language development by ensuring that new language concepts are correctly handled in the backend Collaborate with runtime, OS, and linker experts on improvements to Swift’s emitted code Ensure Swift’s generated code behaves correctly in all supported environments Minimum Qualifications Comfortable programming in C++ Excellent software engineering skills Exemplary communication, organization, and collaboration skills Preferred Qualifications Familiarity with LLVM APIs and concepts Able to read and understand assembly language Experience with Swift or other new programming languages Knowledge of OS internals or debugging infrastructure Experience with low‑level performance measurement and tuning 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. 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. Learn about accessibility in Apple’s workplace. Learn about reasonable accommodations for job applicants. Apple accepts applications to this posting on an ongoing basis. #J-18808-Ljbffr Apple