Senior Software Engineer

Overview The Apple Service Engineering (ASE) Security team builds and provides secure systems and infrastructure that fuel Apple's services. We are the secure foundation on which Apple's software developers build products that keep customers safe and secure. The ASE Security Frameworks team is expanding and seeks a Senior Software Engineer who will focus on creating fundamental security services, addressing identity and authorization challenges. The role requires a blend of deep technical expertise, strong security knowledge, and experience in large-scale operations. Responsibilities Design and implement client libraries and SDKs to bolster the organization's security posture. Build Security Frameworks in multiple languages (Java, Go, Swift, Rust, TypeScript). Collaborate with partner engineering teams to ensure frameworks are integrated into services for request verification, token issuance and exchange, authentication, authorization, durable decision logging, policy updates and caching. Set high standards and deliver on ASE's vision for security protocols, and work with engineering teams to incorporate secure practices and tools into development processes. Preferred Qualifications Experience designing and implementing SDK architecture patterns including dependency injection, plugin systems, retry logic, and error handling strategies. Deep understanding of Identity and Access Management (IAM) concepts including RBAC, ABAC, OAuth, OpenID Connect, and Policy-as-Code systems like Open Policy Agent and Rego. Knowledge of client-side security best practices including secure credential storage, token refresh patterns, and protection against CSRF, XSS, and token leakage. Experience with cross-platform SDK development and maintaining API consistency across languages and runtimes. Understanding of backward compatibility strategies for SDK versioning, deprecation policies, and migration paths for breaking changes. Experience with monitoring and telemetry in client libraries including error reporting, usage analytics, and performance metrics collection. Minimum Qualifications 8+ 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; ability and willingness to learn Swift, Rust, Python, and TypeScript for building client frameworks across languages. Experience building and operating high-performant client SDKs and libraries with features such as caching, online/offline configuration updates, major version releases, breaking changes, and feature flagging. Knowledge of securing APIs, including input validation, mTLS, authentication, and authorization mechanisms for RESTful and gRPC APIs. Pay & Benefits At Apple, base pay is one part of the total compensation package and is determined within a range. The base pay range for this role is between $175,000 and $308,500, and the base pay will depend on skills, qualifications, experience, and location. Apple employees may participate in discretionary stock programs and are eligible for employee stock purchase plans. Benefits include comprehensive medical and dental coverage, retirement benefits, discounts on products and services, and education reimbursement. The role may be eligible for discretionary bonuses or relocation assistance. Learn more about Apple Benefits. #J-18808-Ljbffr