Senior Speech LLM Evaluation Engineer — Real-Time Audio AI

Apple Inc. seeks a Sr. Machine Learning Engineer to advance speech LLM evaluation in the Siri organization.

You will design evaluation datasets and metrics for real-world multilingual audio use, and build scalable pipelines with LLM-as-judge tools to ensure robust model quality before user impact. You will collaborate with modeling, infrastructure, and product partners, driving rigorous evaluation and transparent communication of results to non-technical stakeholders, while aligning with Apple’s