Application Programming Interface (API), Authentication, Automation, Computer Programming, Computer Science, Computer Software, Continuous Deployment/Delivery, Continuous Integration, Database Technology, Git, Internet Application, Java, Java Persistence API (JPA), Java Platform Enterprise Edition (Java EE/J2EE), Java Servlets, Management of Information Systems/Technology (MIS), Oracle Database, PostgreSQL, REST (Representational State Transfer), Relational Databases (RDBMS), Software Development, Source Code/Configuration Management (SCM), Testing