As a member of our fast-paced group, you’ll have the unique and rewarding opportunity to shape upcoming products from Apple. We are looking for people with excellent applied machine learning experience and solid engineering skills in creating outstanding search service. This role will include the following responsibilities: Analyzing search retrieval and relevance requirements, issues and opportunities Understanding product requirements, translate them into modeling tasks and engineering tasks Developing techniques and building machine learned models for search retrieval and ranking problems Integrating search functions into Apple products, such as TV, Siri and Spotlight. Building end-to-end production system including retrieval and ranking to power search Conduct A/B tests to ensure we objectively measure improvements Utilizing Spark, Hadoop MapReduce, Hive, Impala to perform distributed data processing