Senior Software Engineer - Siri Runtime Platform

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. We are seeking a Senior Software Engineer to join our team, to help build the next generation of Siri’s technology stack. In this role, you will lead efforts to design, implement, and optimize core software technologies that drive the next generation of Siri. You’ll build scalable, high-performance systems, contribute to key product capabilities, and collaborate across teams to deliver reliable, innovative solutions. This position offers a unique opportunity to shape the future of our platform while upholding Apple’s bar for engineering excellence. Provide technical leadership/take accountability for engineering quality. Example behaviors: Drive definition and adoption of engineering standard methodologies. Coach solid design practices. Coach team accountability for quality through code reviews, design reviews, etc. Mentor individual engineers. Own and drive substantial features end-to-end as a DRI. You will lead features of a scale that require coordination across multiple engineers and/or cross-functional partners, ensuring clarity, alignment, and timely delivery. Deliver significant hands-on technical contributions. This includes architecture, implementation, deployment, and ongoing operational support for complex systems. Shape product and technical direction. You will actively participate in roadmap discussions, offer constructive feedback, identify gaps or risks early, and model healthy, proactive collaboration across the team. Help build and scale the team. As we grow, you will help define staffing needs, participate in hiring, and contribute to building a high-performing engineering organization around you. 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 Java. 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 solve 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. 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.

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