ATG Dynamo is the name of a J2EE application server offered by ATG and a web application framework for building web applications. The application framework can also be run on all major J2EE application servers (JBoss, WebLogic, WebSphere etc…). The framework forms the foundation of all ATG product such as its flagship eCommerce product which run some of the largest sites on the web.
Having ATG experience is not a drain on ones career. In fact these days developers are in high demand. In fact working with ATG on web application development exposes one to a lot of different technologies like Java, JSP/Servlet, RDBMS, SQL, JMS, JNDI, J2EE and list goes on and on….