Senior Software Engineer - Security Frameworks

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Senior Software Engineer - Security Frameworks in USA

Apple
Full time
Email

USA
09/10/2026
Report

Seattle, WA

Responsibilities

Design and implement security frameworks, client libraries, and SDKs in multiple programming languages.
Build capabilities for request verification, token issuance and exchange, authentication, authorization, decision logging, policy updates, and caching.
Partner with engineering teams to integrate security frameworks into services and promote secure development practices.
Develop and maintain high-performance client SDKs with configuration updates, version releases, feature flagging, and compatibility strategies.
Establish SDK architecture patterns, security protocols, monitoring, telemetry, and performance metrics collection.

Requirements

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, with the ability and willingness to learn Swift, Rust, Python, and TypeScript.
Experience building and operating high-performance client SDKs and libraries.
Knowledge of API security, including input validation, mTLS, authentication, and authorization for RESTful and gRPC APIs.
Preferred experience with dependency injection, plugin systems, retry logic, error handling, cross-platform SDKs, API versioning, deprecation, and migration strategies.
Deep understanding of IAM concepts including RBAC, ABAC, OAuth, OpenID Connect, and policy-as-code systems such as Open Policy Agent and Rego.
Knowledge of secure credential storage, token refresh patterns, and defenses against CSRF, XSS, and token leakage.
Experience with monitoring and telemetry in client libraries, including error reporting, usage analytics, and performance metrics.

Apple

We’re a diverse collective of thinkers and doers, continually reimagining what’s possible to help us all do what we love in new ways. And the same innovation that goes into our products also applies to our practices — strengthening our commitment to leave the world better than we found it. This i...

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