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Overview
Mid-Level

File Systems Software Engineer, Core OS

Confirmed live in the last 24 hours

Apple

Apple

San Francisco Bay Area
On-site
Posted March 27, 2026

Job Description

Summary

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.

Description

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.

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 or equivalent experience/skills

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. A "Can-Do" attitude, and commitment for "doing what it takes to get it done right" to ship projects on a preset schedule