Currently, there is no Bluemix plugin for IntelliJ, but you can do many of the deployment tasks using the powerful cf-maven-plugin. These tasks include push, start, stop, delete and scale applications as well as explore, create, bind, unbind and delete services. Best of all, it is very easy to set up.
Vaadin Framework is a tool to build good looking Web apps without working with low-level Web technologies. Vaadin apps can be run in Bluemix easily. Here's how.