You will be building distributed systems operating on TBs of data using the latest cutting edge technologies like Apache Spark, Storm, Cassandra, Redis, Akka, Apache Kafka. Your algorithms will be used in production by the world's largest online retailers in millions of emails a day and responsible for millions of dollars in revenue. Our algorithms not only provide a real revenue boost to these companies but are also responsible for the bulk of user engagement and driving a big fraction of Internet traffic to their sites. Named by Gartner as a Cool Vendor for 2016, are growing 40% quarter over quarter and look for bold people who can win as a team.