AI Software Engineer, Siri Core Modeling

Cupertino Until 9/21/2026 8+ years exp First posted July 23, 2026 Last posted July 23, 2026
Job description

Join the team redefining what a deeply personal and integrated assistant can be. As part of the Siri organization, you will help shape one of the world's most widely used AI assistants, powered by our next-generation of Apple Intelligence, with capabilities like personal context understanding and on-screen awareness, built with privacy from the ground up. Your work will have direct, meaningful impact for users across iOS, iPadOS, macOS, watchOS, and visionOS. This is a rare opportunity to build at the intersection of cutting-edge AI and human-centered design, shipping technology that is centered around users and their needs.

Description

In this role, you will be at the forefront of developing the software platform on device that enables Siri to deliver on Apple Intelligence throughout the OS.

Minimum Qualifications

8+ years experience in developing and shipping production software
Strong proficiency in Swift, Objective-C or C++
Strong understanding of software design principles, OS internals, concurrency, and memory management
Strong familiarity with Large Language Models (LLMs) and AI Assistants for accelerating engineering productivity
Exceptional problem-solving and interpersonal skills
Proven ability to excel in a fast-paced development team

Preferred Qualifications

Experience designing and developing systems that are efficient in resource constrained environments
Experience working on AI software runtimes with strong modeling intuition
Experience building key software components and APIs used cross functionally across different applications and platforms

About this role

Summary

Develop on-device software for Siri AI, focusing on models, APIs, and OS integration.

Job title

AI Software Engineer, Siri Core Modeling

Experience level

8+ years

Minimum experience

8+ years exp

Industry

software

Location requirements

Must be located in Cupertino; on-site work required

Salary

Not specified

Management role

No

Skills & keywords

Required skills

SwiftObjective-CC++software designOS internalsconcurrencymemory managementLLMs

Preferred skills

resource efficiencyAI software runtimesmodeling intuitionAPI development

Specializations

C++AILLMssoftware design
Locations

Structured locations inferred from the posting.

Cupertino, CA, USA

On-site City