AJAX (Asynchronous JavaScript and XML), Amazon Elastic Compute Cloud (EC2), Amazon Simple Storage Service (S3), Amazon Web Services (AWS), Cloud Computing, Computer Science, Continuous Deployment/Delivery, Continuous Integration, Database Design, Database Optimization, Hibernate, IBM DB2, JSON, Java, Java Platform Enterprise Edition (Java EE/J2EE), Jenkins, Maven, MongoDB, Multithreaded Programming, MyBatis (fka iBATIS), MySQL, NoSQL, Object Relational Mapping (ORM), Performance Tuning/Optimization, PostgreSQL, Query Optimization, REST (Representational State Transfer), Relational Databases (RDBMS), SQL Databases, Software Engineering, Spring MVC, Unstructured Data, Web Services, XML (EXtensible Markup Language)