Software Development Engineer, File Systems Cupertino,California,United States Software and Services Apple is where individual imaginations gather together, committing to the values that lead to great work. Every new product we build, service we create, or Apple Store experience we deliver is the result of us making each other’s ideas stronger. That happens because every one of us shares a belief that we can make something wonderful and share it with the world, changing lives for the better. It’s the diversity of our people and their thinking that inspires the innovation that runs through everything we do. When we bring everybody in, we can do the best work of our lives. Here, you’ll do more than join something — you’ll add something! The Filesystem team within Apple's CoreOS organization is looking for an exceptional engineer who will contribute to the design and implementation of Apple's file systems technologies on all Apple devices and platforms. The ideal candidate will be self-motivated and also have a desire to learn and develop technical expertise and leadership. Working on core technologies for macOS, iOS, watchOS, tvOS and visionOS, you will have the opportunity to have a major impact on the design and implementation of Apple's consumer products. Our environment fosters product innovation, rapid product iteration, and a liberating amount of autonomy. **Description** Work with a highly skilled engineering team in the design and implementation of filesystem technologies. Responsibilities: Participation in all phases of a product development cycle: from product definition and design, through implementation, debugging and testing of new file system storage components that require research and analysis. Play a key role in system performance analysis and optimization Perform functional, system, and load/stress analysis Maintenance and enhancement of existing filesystems Work on embedded, desktop, and server products and ability to make technical design and implementation decisions to optimize each platform Work with cross functional teams to support developer and product requirements Write Design Documents **Minimum Qualifications** + Excellent C and C++ programming skills, experience with software debuggers (e.g. GDB, LLDB), compilers and linkers + Solid understanding of storage specific data structures, operating systems internals, storage performance evaluation + Genuine passion for file systems technology, data security, privacy, and strong commitment towards developing testability, reliability + Bachelors in Computer Science/Electrical Engineering **Key Qualifications** **Preferred Qualifications** + Experience in the design or implementation of one or more file systems + Understanding of B-Trees + Understanding of Transactions/Checkpoint mechanisms + Understanding of Disk Space Allocators + Understanding of NVMe Flash Storage, IO performance + Excellent collaborative skills, ability convince technical perspective to skilled engineering team + Strong preference for people experienced in techniques for developing software that is easy to test and debug. + An understanding of ARM or other assembly language + Swift and Xcode experience + macOS, iOS, and watchOS exposure (end user, administrator, developer) is very helpful + Involvement in open source technologies and development communities such as Darwin, FreeBSD or Linux is helpful + A "Can-Do" attitude, and commitment for "doing what it takes to get it done right" to ship projects on a preset schedule + Masters in Computer Science/Electrical Engineering **Education & Experience** **Additional Requirements** **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 (https://www.apple.com/careers/us/benefits.html) 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 take affirmative action to ensure 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 Footer** Apple is an equal opportunity employer that is committed to inclusion and diversity. We take affirmative action to ensure 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 (Opens in a new window) . Apple will not discriminate or retaliate against applicants who inquire about, disclose, or discuss their compensation or that of other applicants. United States Department of Labor. Learn more (Opens in a new window) . 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 (opens in a new window) applicable in your area. Apple participates in the E-Verify program in certain locations as required by law. Learn more about the E-Verify program (Opens in a new window) . 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