Apache Cassandra, Caching, Cloud Computing, Communication Skills, Continuous Deployment/Delivery, Continuous Integration, Data Structures, Database Technology, Distributed Computing, Git, Gradle, Java, Maven, MongoDB, Object Oriented Programming (OOP), Oracle, PCI-DSS, Performance Tuning/Optimization, REST (Representational State Transfer), Redis, Sarbanes-Oxley Act (SOX), Security Software, Simple Queue Service (SQS), Software Development, Software Engineering, Team Player, Unit Test