The Machine Learning Engineer role at Apple's iCloud Mail Intelligence Platform team focuses on innovating the iCloud experience across Mail, Calendar, and Contacts. The team is dedicated to building advanced ML infrastructure that enhances intelligent experiences for millions of users globally. The ideal candidate will have a strong background in machine learning, big data, and AI technologies, and will prioritize quality and user privacy in their work. This position requires collaboration with multi-functional teams to expand ML capabilities and improve user experiences.

• 5+ years of ML engineering experience or equivalent depth.
• Strong programming skills in one or more production languages such as Python, Java, Scala, Kotlin, or Go.
• Deep understanding of predictive modeling and machine learning algorithms across supervised and unsupervised learning.
• Experience with large-scale distributed systems, including data processing and event-driven architectures.
• Expertise with LLMs, including fine-tuning, prompt engineering, and integration into production systems.
• MS/PhD in Computer Science, Machine Learning, or a related technical field, or equivalent practical experience.

• Collaborate with multi-functional engineering teams to expand ML infrastructure capabilities.
• Design, build, and deploy ML models and features that enhance the iCloud experience.
• Drive projects independently from problem definition to production.
• Leverage existing AI/ML infrastructure and contribute to new platform services.
• Write functional specifications and collaborate on high-level design documents.
• Craft efficient, well-documented code with comprehensive unit and end-to-end tests.

• 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.