staff Machine Learning Engineer tech_leadership · Posted Apr 16, 2026

About this role

Apple is hiring a staff-level Machine Learning Engineer based in Cupertino, CA. The posting calls out experience with LLMs, Machine Learning, Performance Optimization.

Role
Machine Learning Engineer
Function
machine learning
Level
staff
Track
Tech leadership
Location
Cupertino, CA
Department
Machine Learning and AI
Posted
Apr 16, 2026

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Job description

from Apple careers

Apple is where individual imaginations gather together, committing to the values that lead to great work. Every new product we build, service we create, or Apple Store experience we deliver is the result of us making each other’s ideas stronger. That happens because every one of us shares a belief that we can make something wonderful and share it with the world, changing lives for the better. It’s the diversity of our people and their thinking that inspires the innovation that runs through everything we do. When we bring everybody in, we can do the best work of our lives. Here, you’ll do more than join something — you’ll add something.

The Siri team in the AIML group at Apple is seeking an exceptional Machine Learning Engineer to lead efforts in identifying bottlenecks and optimizing our model inference stack. In this highly collaborative role, you will be at the center of multiple initiatives to accelerate and optimize LLMs and other ML models used by Siri. This position involves consulting with multiple product teams to determine the appropriate foundation model (On Device vs Server) for their use cases and to help them achieve their accuracy and performance targets.

This is an excerpt. Read the full job description on Apple careers →
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