Next Century, a wholly-owned subsidiary of CACI International Inc., is seeking a Java Software Engineer supporting a mission-critical legacy application. This position is based in Reston, VA. We are seeking those that hold these traits and beliefs: Passionate about protecting our country and saving lives Aware of the concept of a high-performance organization and is committed to achieving them Engineers that desire to work closely with end-users to identify the most critical information Demonstrated passion for learning and curiosity of the world Required Skills and Attributes: An active TS/SCI with a polygraph clearance BS or BA degree in Computer Science, Engineering, Information Security, Data Science, or a related Information Technology discipline Expertise in the full software development life-cycle; including development, deployment, testing, and monitoring Demonstrated professional experience developing and interfacing with APIs, particularly REST APIs using AJAX Experience developing web applications Expertise in authoring and consuming Web Services Expertise utilizing RMDB and NoSQL capabilities User Experience Design experience -to include Visual Design Expertise in open source technologies and experience in pulling together multiple open source modules to satisfy a system requirement Expertise deploying utilizing containerization (eg, Docker) Demonstrated professional experience developing software solutions within an Agile environment Experience with the following: Linux (eg CentOS); Java, Python, and/or Go; JavaScript & TypeScript; HTML & CSS; Angular, React, or Vue;REST; NoSQL Data Sources (eg MongoDB, Cassandra, etc.); SQL & RDBMS Systems (eg Amazon RDS); Cross-origin resource sharing (CORS) Desired qualifications, but not required: SOLR and ElasticSearch