Scala seem to have much more job results on every site than Clojure and Haskell: http://www.simplyhired.com/a/jobs/list/q-scala+developer. See also Dice.com. To see startup jobs, check Startuply or Angel.co: http://www.startuply.com/#/scala%20developer/1

(To get more accurate results, you should search in-title or by tagged skill.)