Javeloper 

A software developer specialising in the Java Programming language. They tend to be fairly single minded towards Java hence prefer the title Javeloper to Developer.

That guy Igor is such a Javeloper...

Javeloper by Mad Man 8080 February 26, 2009

Javeler

The thrower of javelins.

A person who throws javelins is called a javeler.

Javeler by Nikki Yates November 9, 2011