Would you like to play a part in the next revolution in human-computer interaction? Contribute to a product that is redefining way people and devices interact and work with the people who built the intelligent assistant that helps millions of people get things done — just by asking? Using data as the voice of our customers, you will improve Siri by using data to inform the evolution of Siri. We're looking for a passionate individual able to improve the processing, analysis and preparation of huge data sets used to train Siri's machine learned models. You will love big-data technologies, including data exploration, visualisation, distributed processing, and applications at scale.