Senior Software Engineer, Siri Runtime Platform

We are seeking a Senior Software Engineer to join the Siri Runtime Platform team, with a primary focus on 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. Serving as a horizontal platform across all device ecosystems (iOS, macOS, watchOS, visionOS), the team manages the lifecycle of user interactions with Siri. In this role, you will lead efforts to design, implement, and optimize privacy-enhancing technologies. You’ll create scalable, secure solutions that safeguard user data while driving innovation in on-device processing and minimizing data sharing. This position offers a unique opportunity to shape the future of voice-assistant technology and uphold Apple’s unwavering commitment to user privacy.

In this role you will:

• Design, develop, and maintain privacy-centric features and systems for Siri to ensure user data protection and compliance with privacy regulations.
• Collaborate with cross-functional teams, including privacy engineers, data scientists, and product managers, to align platform capabilities with organizational privacy goals.
• 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.

• Bachelor’s degree in Computer Science, Software Engineering, or a related field, or equivalent practical experience.
• 10+ years of experience in software engineering, with expertise in building large-scale, distributed systems.
• 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.
• Strong communication and collaboration skills, with experience working in a cross-functional environment.

• Master’s or PhD in Computer Science, with a focus on security, privacy, or distributed systems.
• 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.
• Demonstrated leadership skills, with a track record of driving technical initiatives and mentoring team members.

At Apple, base pay is one part of our total compensation package and is determined within a range. This provides the opportunity to progress as you grow and develop within a role. The base pay range for this role is between $212,000 and $386,300, and your base pay will depend on your skills, qualifications, experience, and location.

Apple employees also have the opportunity to become an Apple shareholder through participation in Apple’s discretionary employee stock programs. Apple employees are eligible for discretionary restricted stock unit awards, and can purchase Apple stock at a discount if voluntarily participating in Apple’s Employee Stock Purchase Plan. You’ll also receive benefits including: Comprehensive medical and dental coverage, retirement benefits, a range of discounted products and free services, and for formal education related to advancing your career at Apple, reimbursement for certain educational expenses — including tuition. Additionally, this role might be eligible for discretionary bonuses or commission payments as well as relocation. Learn more about Apple Benefits.

Note: Apple benefit, compensation and employee stock programs are subject to eligibility requirements and other terms of the applicable plan or program.

Apple is an equal opportunity employer that is committed to inclusion and diversity. We seek to promote equal opportunity for all applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, Veteran status, or other legally protected characteristics. Learn more about your EEO rights as an applicant

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