As a Machine Learning Performance Engineer, you will play a critical role in ensuring the efficiency and scalability of Siri's machine learning models. You will work closely with diverse teams to diagnose performance issues and develop innovative solutions that enhance model performance. Your expertise will be pivotal in shaping the future of Siri's AI capabilities. * Analyze and optimize the performance of machine learning models and systems used by Siri. * Develop and implement strategies for model tuning, parameter optimization, and efficient resource usage. * Conduct performance benchmarking and develop tooling and metrics to measure model performance in terms of compute, memory and latency. * Collaborate with feature and product teams to consult on modeling decisions to achieve Siri performance objectives. * Collaborate with hardware and software teams to integrate research findings into product implementation.