Apple's Siri team is pioneering the next revolution in machine learning and NLP, developing cutting-edge technologies in audio generation, multimodal FM, and Conversational AI. As a Senior Machine Learning Engineer, you'll join the Apple Intelligence team, working on groundbreaking conversational assistant technologies that impact millions of users worldwide. The role focuses on evaluating and enhancing Apple Intelligence products, collaborating with cross-functional teams to innovate using audio generation and multimodal FM. You'll work with large-scale real-world data to analyze and improve the Siri user experience, ensuring quality throughout data acquisition and processing. The position requires expertise in multimodal foundation models, machine learning frameworks, and large-scale data processing. You'll be part of a team redefining computing through AI, with opportunities to work on both large-scale systems and new client devices. The role offers competitive compensation, comprehensive benefits, and the chance to shape the future of AI at one of the world's most innovative companies. Your work will directly impact how millions of users interact with Apple's intelligent assistant technologies, making this an exciting opportunity for those passionate about advancing AI systems.