AIML - Sr Machine Learning Engineer, Evaluation at Apple

Apple is hiring a Machine Learning Engineer to build evaluation and refinement infrastructure for foundation models and agents. The role involves developing benchmarks, LLM-as-judge evaluators, reward models, prompt and context optimization pipelines, simulation environments, datasets, and reward signals; collaborating with product and research teams; and translating failure analysis into model and agent improvements across offline, device-in-the-loop, and on-device settings.