Sounds like you are already there if you are making money building Wordpress sites. Just keep doing that and scale up to a point where you are able to make a l

Sounds like you are already there if you are making money building Wordpress sites. Just keep doing that and scale up to a point where you are able to make a living from it. When you feel comfortable, expand into taking freelance Ruby / Rails work as well as your Wordpress work. Keep going along this track until someone offers you a full time gig, by then maybe you don't even care to take one.