keyboard jockey 

a professional coder, hacker, or other tech-savvy individual that uses a computer a lot.

That's joe. He's the keyboard jockey around here. If you need something fixed, he's the man t odo it

keyboard jockey by John Henry Adams December 20, 2008

keyboard jockey 

(perjorative) Somebody who talks big about a subject on Internet forums, but can't back their words up with real life accomplishments.

Sorry. Until you can show me where that advice has helped anyone, ever, you're nothing but a keyboard jockey.

keyboard jockey by Carlfish June 2, 2011