Career
He signed a full-time contract with Aberdeen in June 2009, and made his debut for the club in a 3–1 defeat to Hamilton Academical on 1 May 2010. Robertson was selected for the Scotland national under-21 football team in April 2012, but was forced to withdraw due to a knee injury. In May 2012, Robertson signed a new three-year deal with Aberdeen, tying him to the club until 2015.
In June 2015, he signed for Blackpool.