業務内容

• Collaborate on core OS components to design and implement security improvements.
• Build robust mitigations and infrastructure to reduce vulnerabilities.
• Work with cross-functional teams on memory safety, sandboxing, and refactoring.
• Update or create codebases in Swift, Objective-C, or C++, with unit tests and documentation.

技術スタック

必須スキル

• Foundations of system programming languages: C, C++, Swift, or Rust
• System-level concepts: multi-threading, resource management, OS interactions
• Ability to reason about security/robustness
• Quick learner for new codebases and diverse projects
• OO design principles
• Clear verbal and written communication; collaborative mindset

歓迎スキル（該当する場合）

• Interest in using Swift to improve security of OS libraries and services
• Experience optimizing runtime performance of system libraries or compute-intensive software

キャリア成長観点

• High-impact security work across Apple OS; exposure to OS internals and security practices
• Growth toward platform security leadership through memory-safety, sandboxing, and cross-functional collaboration
• Opportunity to learn Swift and contribute to documentation/training materials for partner teams