Senior Software Engineer, On-Device Health Agentic Systems

Cupertino · On site · Posted 7/24/2026 Leaves the board today
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What You'll Build:
- AI-Powered iOS Applications: Architect and build innovative, high-performance on-device apps that showcase the power of intelligent LLM agents.
- Scalable On-Device Architecture: Design the client-side frameworks and architectural patterns for integrating LLM systems efficiently on iOS.
- LLM Agent Integration: Implement the software that connects user-facing applications to on-device and hybrid AI reasoning and planning engines.
- Interactive AI Prototypes: Rapidly build and iterate on application prototypes to explore new user interactions and architectural options.

Impact:
This is a unique opportunity to define the future of intelligent applications at Apple. You will be at the center of building a new class of on-device experiences, setting the architectural foundation for how millions of users will interact with AI on a daily basis.

Minimum Qualifications
5+ years of professional software development with expert-level experience building high-performance, consumer-facing mobile applications and frameworks.
Strong proficiency in a modern systems programming language such as C++, ObjectiveC/Swift, or Rust. A demonstrated ability to quickly master new languages and platforms is highly valued.
Deep understanding of mobile system fundamentals: concurrency, memory management, and power optimization.
Practical knowledge of how LLM-powered systems work, including prompt engineering, agent frameworks, or RAG architectures.

Preferred Qualifications
Experience with on-device ML frameworks like Core ML, Foundation Model, etc.
Experience in SwiftUI and modern iOS architectural patterns.
Knowledge of model quantization, caching, and other on-device optimization techniques.
Experience with multi-platform development (e.g., building for both iOS and macOS).