Application servers: Node.js, Oracle Weblogic, Oracle Glassfish, JBoss and Apache Tomcat Data interchange formats: JavaScript Object Notation (JSON), Apache Avro, eXtensible Mark-up Language (XML), Structure Threat Intelligence eXpression (STIX). CACI is seeking a software engineer to develop, maintain, and enhance complex and diverse software systems (e.g., processing intensive analytics, novel algorithm development, manipulation of extremely large data sets, real-time systems, and business management information systems) based upon documented requirements.