The System Experience Calendar team at Apple is seeking a senior engineer to help redefine modern calendaring across Apple's platforms. This role involves collaborating with various cross-functional teams to drive new initiatives and enhance user experiences for billions of customers. The ideal candidate will have extensive app development experience and a strong track record in architecting high-performance applications. You will be responsible for maintaining high standards in code quality and engineering processes while thriving in a fast-paced environment.

• Proficient in Objective C and Swift.
• Strong command of mixed-language codebases, including interoperability between Objective-C and Swift.
• Proficiency with concurrency and state management on Apple platforms.
• 10+ years of engineering experience building mobile and desktop projects.
• Background in designing platform or system-level components or APIs.
• Hands-on experience with time-based data models, iCalendar, and CalDAV standards.
• Proficiency using Instruments and advanced debugging tools.
• Exceptional problem-solving and debugging skills.

• Collaborate with engineering, data engineering, product, design, and other teams to drive new initiatives.
• Set and uphold high standards for code quality, unit testing, and engineering processes.
• Design scalable, testable, and well-structured modules for complex applications.
• Debug rendering glitches and performance issues.
• Mentor teammates and foster a collaborative environment.

• 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.