Senior Software Engineer, On-Device Health Agentic Systems

Apple • Cupertino, CA

74d

About The Position

We are seeking a highly innovative and experienced Software Engineer to join our team, focused on pioneering the next generation of intelligent, on-device experiences! Our team presents an excellent opportunity to lead the development of a complex system that bridges the gap between powerful LLMs and the resource-constrained environment of mobile devices. Our work directly impacts the core functionality of our products, enabling new, seamless user workflows and intelligent interactions! Are you ready to leave an enduring mark on the world of technology and deliver groundbreaking Apple products? In this role, you will be responsible for designing, building, and deploying Agentic Large Language Model (LLM) features that run directly on Apple devices and servers. You will work on a mission-critical system that empowers users with intelligent, context-aware, and autonomous capabilities, all while prioritizing user privacy and on-device performance.

Requirements

• Experience working with on-device LLMs or other on-device ML models (e.g., using Core ML, TensorFlow Lite, or PyTorch Mobile).
• Hands-on experience with agentic frameworks or tool-use architectures (e.g., LangChain, custom agents).
• Strong skills in Swift (desired) and at least one other object-oriented programming language.
• Experience with on-device databases (e.g., Core Data, Realm, SQLite).
• Experience with multi-platform development or building systems that operate across different operating systems.
• Knowledge of model quantization, pruning, and other on-device optimization techniques.
• Experience with distributed systems and client-server communication.
• A track record of leading complex technical projects from concept to launch.
• Exceptional problem-solving and analytical skills.
• The ability to thrive in a fast-paced, ambiguous environment.

Nice To Haves

• A passion for building innovative user experiences.
• Excellent communication and collaboration skills, with the ability to articulate complex technical concepts to a variety of audiences.

Responsibilities

• Design, build, and deploy Agentic Large Language Model (LLM) features on Apple devices and servers.
• Lead the development of a complex system that integrates LLMs with mobile devices.
• Empower users with intelligent, context-aware, and autonomous capabilities.
• Prioritize user privacy and on-device performance in all developments.

What This Job Offers

• Industry: Computer and Electronic Product Manufacturing
• Number of Employees: 5,001-10,000 employees