Apple
AI Software Engineer, App Intelligence
$185K–$325K
San Francisco Bay Area, California · Full-time · Posted Oct 29, 2026
- Experience
- 5+ years developing and shipping production software.
- Education
- BS or MS in Computer Science or equivalent practical experience.
About the job
Build and improve the on-device software runtime and app interfaces that let Siri reliably execute user requests across Apple platforms.
What you'll do
- Design, develop, and maintain the on-device runtime platform, including interfaces between the runtime and model.
- Profile and optimize performance within latency, memory, and power budgets; diagnose end-to-end failures and improve reliability.
- Shape architecture and contribute to evaluation and telemetry that measures user outcomes.
What they ask for
- BS or MS in Computer Science or equivalent practical experience.
- Strong proficiency in C++, Swift, or Objective-C, with knowledge of object-oriented programming and software design principles.
- Strong understanding of OS internals, concurrency, multithreading, and memory management.
- Familiarity with LLMs and AI assistants, fluency with agentic coding tools such as Claude Code, and experience with system performance analysis and optimization.
Nice to have
- Proficiency with Swift and Xcode and experience building applications for Apple platforms.
- Experience with AI runtimes or agent orchestration, LLM-driven features, API/framework design, or evaluation and telemetry infrastructure.
Pay
$184,700 and $324,800 USD base salary
Tools
C++, Swift, Objective-C, Claude Code, Xcode, Python, SQL
AI focus
Develop on-device Siri and App Intelligence runtime capabilities, including model interfaces, tool and function-calling schemas, context construction, output validation, and quality evaluation.
Model-written summary · the original posting is authoritative