AIML - Staff Machine Learning Engineer, Answers Knowledge and Information Santa Clara, California, United States | Machine Learning and AI Description In this role, you will work on LLM-based question answering and Apple Intelligence features to provide concise, accurate, and grounded information to users, helping 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 models, 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 integrating 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. Minimum Qualifications 10+ years of ML experience in search, natural language processing/understanding, and conversational AI. Proven experience in LLM post-training, including SFT, RLHF, RLAIF, Reward Modeling, Chain-of-thought, and agentic LLM. Hands-on experience building RL pipelines and training agents in simulation or real-world environments. Growth mindset and ability to learn new technologies. MS or Ph.D. in Computer Science, Machine Learning with a focus on reinforcement learning, or a related field. Preferred Qualifications Deep expertise in reinforcement learning-based post-training on LLM models, reward modeling, RLHF, RLAIF, Chain-of-thought, and agentic AI R&D. Deep understanding of cutting-edge RL algorithms and large language models. Strong product intuition and ownership. At Apple, base pay is part of our total compensation and is determined within a range. The base pay range for this role is between $212,000 and $386,300, depending on skills, qualifications, experience, and location.

Employees may participate in Apple’s stock programs, including employee stock purchase plans and restricted stock units. Benefits include medical and dental coverage, retirement plans, discounts, educational reimbursement, and potential bonuses or relocation assistance. Learn more about Apple Benefits.

Note: Benefits, compensation, and stock programs are subject to eligibility and plan terms. Apple is an equal opportunity employer committed to inclusion and diversity, promoting equal opportunity regardless of race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status, or other protected characteristics. Learn more about your EEO rights as an applicant.

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