The Core Infra team at Apple is seeking an experienced software engineer to enhance the intelligence of Apple products. This role involves building core infrastructure that connects users to information as part of the Apple Intelligence initiative. The engineer will collaborate with product and information intelligence teams to create reliable and scalable systems for billions of users. The position offers the chance to work with large-scale systems and complex data processing.

• 10+ years of experience in software development for large-scale cloud infrastructure.
• Proven experience in designing, building, and operating large-scale distributed systems and backend services.
• Solid understanding of networking protocols such as TCP/IP, DNS, and HTTP.
• Excellent communication and collaboration skills for effective teamwork.
• Strong fundamentals in data structures, algorithms, and system design.
• BS, MS, or Ph.D. in Computer Science or a related field, or equivalent experience.
• Experience with large-scale data processing, information retrieval, web search, or ranking systems.

• Design and build infrastructure to support features for Siri users.
• Process trillions of links to identify the best content for users.
• Analyze pages to extract critical features for indexing and ranking.
• Apply statistical analysis to enhance link selection and retrieval rates.
• Work with large-scale systems containing trillions of rows and petabytes of data.

• 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.