Machine Learning Engineer, Siri Speech

We are looking for an exceptional Senior ML engineer experienced in collecting and preparing large-scale speech data, training/adapting models, and deploying them in production

• Working with existing data pipelines and annotation teams to collect, clean, and analyze speech and multimodal datasets
• Training large language and multimodal models on distributed back-ends, and adapting them for on-device deployment
• Ensuring quality with an emphasis on data and model robustness
• Interacting closely with other ML researchers, software engineers, and design teams

• 5–7 + years experience in Machine Learning applied to Speech & NLP
• Hands-on experience training LLMs, adapting pre-trained LLMs for downstream tasks, and leveraging curated datasets or human-feedback data
• Familiarity with large-scale data collection/processing (e.g., annotation guidance, data quality checks)
• Experience delivering ML capabilities into great products
• Proficiency with ML toolkits such as PyTorch
• Strong programming skills in Python and either C or C++

• Comprehensive medical and dental coverage
• Retirement benefits
• Range of discounted products and free services
• Reimbursement for certain educational expenses
• Discretionary bonuses or commission payments
• Relocation assistance

Apple is an equal opportunity employer that is committed to inclusion and diversity