The objective of this role is to elevate Apple’s voice assistant and search to a new level of intelligence and accuracy through advanced machine learning techniques.We are looking for someone with a strong passion for AI-driven applications. In this role, you will develop a deep understanding of user use cases and create high-quality evaluation datasets. You will leverage large language models and search tool integrations to answer user questions across diverse everyday scenarios. A core responsibility will be conducting systematic failure analysis to continuously improve accuracy and user experience.On a day-to-day basis, your work will span model training, tool development, system integration, performance testing, and functional test design.