We are looking for a candidate with a strong background in developing foundation models and multimodal large language models (LLMs) that integrate various types of data such as text, audio and video. You will not only work on cutting-edge projects to advance our AI capabilities, but also contribute to practical features in Apple products and bring impact to millions of users. You will collaborate with others to drive data requirements, validation strategies, and key performance indicators, and conduct algorithm research and development that serves product needs. A successful candidate will stay up-to-date with the latest advancements in AI, machine learning, and computer vision, applying this knowledge to drive innovation— but also take a practical approach to problem solving and software engineering to deliver clean, modular, testable code.