In this role, you will work on LLM based question answering and Apple Intelligence features to provide concise, accurate, and grounded information to users to help them complete their tasks quickly on Apple devices. Your core responsibilities will include:* Designing and developing advanced Reinforcement Learning technologies in the post-training of generative model, and delivering the end-user experience.* Driving cross-functional technical initiatives, collaborating with research, engineering and production teams to translate theoretical advances into deployable systems.* Developing novel and cutting-edge RL algorithms and improving existing ones.* Staying up to date with the latest RL research and integrate best practices into the team's workflow.* Working on the end-to-end ML lifecycle: algorithm design and implementation, data collection, model training, evaluation, and deployment.