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Staff AI Software Engineer, Siri User Experiences

Apple· Software and Services
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Cupertino, CA$184.7k - $324.8kfull-timePosted 5mo ago

About the role

Senior AI software engineer role focused on building on-device software platforms to enable Siri experiences across the OS, including interaction with LLMs and on-device intelligence, with emphasis on performance, architecture, and cross-functional APIs.

Responsibilities

  • Lead the design and development of software features that enable end to end Siri experiences
  • Implement code that is well designed, easy to debug, and highly performant
  • Identify and propose key architecture changes to help the product scale
  • Proactively look for areas of code to further optimize for performance
  • Develop software that interfaces with LLMs and on-device intelligence to enhance Siri capabilities
  • Leverage LLMs and AI assistants to enhance engineering productivity, code quality, and efficiency at scale

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
  • 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

Skills

Required:SwiftSoftware design principlesLLMs and AI assistantsOn-device/embedded systems
Nice to have:Objective-CC++

Benefits

  • Comprehensive medical and dental coverage
  • retirement benefits
  • discounted products and free services
  • reimbursement for certain educational expenses including tuition
  • discretionary bonuses or commission payments
  • relocation (potential)
  • employee stock programs including RSUs and Employee Stock Purchase Plan
  • eligibility for relocation
Last updated Oct 9, 2026. Interested? Apply on the company site.

About Apple

Discover the innovative world of Apple and shop everything iPhone, iPad, Apple Watch, Mac, and Apple TV, plus explore accessories, entertainment, and expert device support.

Discover the innovative world of Apple and shop everything iPhone, iPad, Apple Watch, Mac, and Apple TV, plus explore accessories, entertainment, and expert device support.

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