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Senior Software Engineer, Privacy - Siri Runtime Platform

Apple

$201,300 - $367,400
Aug 25, 2025
Seattle, WA, US
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Advancing privacy-first systems that enable Siri’s seamless functionality for millions of users worldwide. The Siri Runtime Platform team is responsible for building the foundational technologies that power Siri and Dictation across billions of Apple devices.

Requirements

  • Strong programming skills in languages like Swift, Objective-C, C++ or Python.
  • Solid understanding of privacy-preserving technologies and secure software development.
  • Experience with runtime systems, APIs, and performance optimization in real-time applications.
  • Proven ability to troubleshoot complex system issues, including performance bottlenecks, privacy and security vulnerabilities.
  • Experience with privacy frameworks such as differential privacy, federated learning, or secure multi-party computation.
  • Familiarity with Apple platforms and technologies, including iOS and macOS development.
  • Knowledge of analytics systems and techniques for balancing privacy with usability.

Responsibilities

  • Design, develop, and maintain privacy-centric features and systems for Siri to ensure user data protection and compliance with privacy regulations.
  • Conduct risk assessments and implement mitigation strategies to address potential security and privacy vulnerabilities.
  • Contribute to Siri’s on-device and server-side runtime systems, focusing on minimizing data sharing and enhancing local processing capabilities.
  • Mentor junior engineers, perform code reviews, and uphold best practices in secure software development.
  • Stay up-to-date with the latest privacy technologies and trends, integrating relevant advancements into Siri’s architecture.
  • Actively participate in system design reviews, proposing innovative ideas to balance performance, scalability, and privacy requirements.

Other

  • Collaborate with cross-functional teams, including privacy engineers, data scientists, and product managers, to align platform capabilities with organizational privacy goals.
  • Strong communication and collaboration skills, with experience working in a cross-functional environment.
  • Demonstrated leadership skills, with a track record of driving technical initiatives and mentoring team members.