Dingo/queensland mix?
http://www.dogbreedinfo.com/dingo.htm
Look at the ears and face on this dog.
http://www.dingo.org/gallery.html
There are several that look a bit like Jake here.
My dogs name is Jake too. He is a lab/mutt. I had a Dingo-Collie when I was a kid. GREAT DOG!!!! Yours is very precious looking. Congratulations.