The Apple Service Engineering (ASE) Security team is seeking a Senior Software Engineer to focus on creating fundamental security services that address identity and authorization challenges. This role involves collaborating with cross-functional teams to design and implement client libraries and SDKs that enhance security practices across Apple’s services. The engineer will work with multiple programming languages and ensure the integration of security frameworks into partner services. A strong technical background in security and large-scale operations is essential for success in this position.

• 3+ years of software development or production operations experience in a large-scale environment
• Bachelor's Degree or equivalent experience preferred
• Strong programming skills in Golang and Java, with the ability and willingness to learn Swift, Rust, Python, and TypeScript
• Experience building and operating high-performant client SDKs and libraries
• Knowledge of securing APIs, including input validation, mTLS, authentication, and authorization mechanisms
• Deep understanding of Identity and Access Management (IAM) concepts
• Knowledge of client-side security best practices
• Experience with cross-platform SDK development and maintaining API consistency
• Understanding of backward compatibility strategies for SDK versioning
• Experience with monitoring and telemetry in client libraries

• Design and implement client libraries and SDKs to enhance security practices
• Build Security Frameworks in multiple programming languages including Java, Go, Swift, Rust, and TypeScript
• Collaborate with partner engineering teams to integrate security frameworks into their services
• Ensure effective request verification, token issuance, and authentication processes
• Set high standards for security protocols and work with engineering teams to incorporate secure practices
• Implement SDK architecture patterns including dependency injection and error handling strategies
• Monitor and collect telemetry data in client libraries for performance metrics and error reporting

• 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.