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Staff AI Software Engineer, Siri User Experiences

Cupertino, United States of America💼 Full-time🗓 2026-04-29 → 2026-09-28

Core

Design and develop on-device software platform enabling Siri to deliver intelligent experiences throughout the OS.

Role type

Staff AI Software Engineer (on-device)

Builds

End-to-end Siri experiences and on-device intelligence features

Domain

Mobile OS / AI / Large Language Models

Deliverable

production ML models

Required skills

Swift, Objective-C, C++, software design principles, OS internals, concurrency, memory management, Large Language Models (LLMs), AI Assistants

Preferred skills

resource-constrained environment systems, AI software runtimes, cross-functional APIs

Technologies

Swift, Objective-C, C++, LLMs

Responsibilities

Lead design and development of software features for end-to-end Siri experiences; Implement highly performant and debuggable code; Propose architecture changes to scale the product; Optimize code for performance; Develop software interfacing with LLMs and on-device intelligence; Leverage AI assistants to enhance engineering productivity

Seniority

Staff, hands-on IC

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