At Cloudera, we empower people to transform complex data into clear and actionable insights. With as much data under management as the hyperscalers, we're the preferred data partner for the top companies in almost every industry. Powered by the relentless innovation of the open source community, Cloudera advances digital transformation for the world's largest enterprises. The Data Platform Pillar is the bedrock of Cloudera's technology, where we design and build the core components that let our customers store, manage, and process data with unmatched scalability, security, and performance. We are looking for an exceptional and passionate software engineer with a strong distributed systems background to join the OpDB (Operational Database) team in the USA. The Operational Database team is responsible for the development of Cloudera Operational Database, Apache HBase, Phoenix, ZooKeeper and related projects. Cloudera Operational Database (aka. COD) is a public cloud based solution based on Apache HBase and Phoenix HBase is the Hadoop database, a distributed, scalable, big data store and is one of the most widely used components in Hadoop, an essential tool for data engineering. Phoenix adds an SQL flavour to HBase, combining the SQL world with the scalability of HBase. ZooKeeper is the high availability coordination service of the Big Data world and is one of the most widely used components in the Hadoop ecosystem, an essential tool for coordinating component instances in large clusters. As a Principal Software Engineer, you will be working in the USA based development team led by an Engineering Manager and together with its Hungary and India based peer teams you will develop, distribute and support COD, HBase, Phoenix and ZooKeeper. You will help us move our products to the next level, to be more supportable, enterprise ready and feature-rich so that more and more enterprises could start using them.