We design and build services and infrastructure to support features that empower billions of Apple users. Our team applies state of the art machine learning techniques to improve the quality of search relevance, ranking, query understanding and question answering systems. We design and implement reliable production services and APIs which can handle millions of queries per second and build a search experience that delight our customers. The ideal engineer deals with ambiguity well, designs large scale systems, writes high quality code and is comfortable in contributing code to both legacy and new systems. Excellent communication skills will be required to coordinate work across multiple teams.