This role offers an exciting opportunity for an experienced software engineer to contribute to the development of Machine Learning & Experimentation platforms that empower Apple engineers in delivering exceptional user experiences across all Apple products and services. The position involves collaborating with Data & ML engineers to create on-device ML daemons and frameworks for Apple's most exciting applications and services. With a strong foundation in systems-level development using Objective-C and Swift, as well as a deep understanding of iOS and macOS fundamentals and frameworks, you'll play a pivotal role in implementing features and building frameworks to facilitate on-device ML workflows. Your responsibilities will include performance analysis, tuning, feature development, maintenance, bug fixing, and system design. If you have a passion for software engineering, a BS in Computer Science or equivalent, and a desire to make an impact on user experiences, this role could be a great fit. Apple offers competitive compensation, with a base pay range between $161,700 and $284,900, along with a comprehensive benefits package, including stock programs and educational expense reimbursements.