The Experimentation team at Apple is seeking an experienced engineer to enhance the experimentation system across all Apple operating systems. This role focuses on building and extending the on-device daemon and framework that supports a culture of experimentation and AI adoption. The engineer will collaborate with various feature teams to improve customer experiences while ensuring high performance and efficiency. The position requires a strong technical leader who can drive design discussions and elevate team performance through code reviews.

• BS in Computer Science or a related field with 7 years of work experience, or MS in Computer Science or a related field with 5 years of work experience.
• Industry experience in Objective-C, Swift, C/C++, Kotlin, or similar languages.
• Strong understanding of operating system fundamentals such as threading, synchronization primitives, inter-process communication, and scheduling.
• Proven ability to deliver production-grade operating systems software.
• Experience in iOS, macOS, or similar operating systems.
• Experience in experimentation or A/B testing and AI.

• Build and extend the experimentation system for Apple across all operating systems.
• Develop the on-device daemon and framework central to the experimentation platform.
• Collaborate with feature teams to positively impact customer experiences.
• Focus on optimizing memory, power, and performance while enhancing the developer experience.
• Drive critical design discussions and elevate peers through code reviews.

• Employees at Apple are often offered comprehensive benefits that support physical and mental well-being—flexible medical plans, confidential counseling, onsite wellness centers at major campuses, and resources for fitness and daily life. Families typically receive fertility support, paid parental leave with gradual return, caregiving leave, and dependent-care guidance, while financial perks commonly include stock grants (with purchase discounts), 401(k) matching, and income-protection coverage. Employees also see robust time off, Apple University learning and tuition reimbursement, donation matching and paid volunteer hours, and deep product and partner discounts.