Senior Software Engineer, On-Device Health Agentic Systems
Apple · Cupertino, CA · Hardware
About this role
Apple is hiring a senior-level Systems Engineer in the operations function based in Cupertino, CA. The posting calls out experience with Rust, Swift, LLMs, RAG.
- Role
- Systems Engineer
- Function
- operations
- Level
- senior
- Track
- Individual contributor
- Location
- Cupertino, CA
- Department
- Hardware
- Posted
- Mar 18, 2026
More roles at Apple
Job description
from Apple careersWe are seeking a senior iOS Software Engineer with deep experience building applications powered by Large Language Models (LLMs). This is a hands-on development role focused on creating the next generation of intelligent on-device experiences for Apple users.
You will be responsible for building cutting-edge iOS applications that serve as the primary interface for on-device AI. A key part of your role will be to explore and define the software architecture for a scalable, high-performance system that seamlessly integrates powerful LLM agents into the Apple ecosystem, all while prioritizing user privacy and on-device performance.
This role is for an expert iOS developer passionate about building the foundational architecture for AI-driven applications.
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.