Career
He has previously played for Raith Rovers and Peterhead. He was promoted to the senior squad in June 2010, signing a full-time contract He made his first team debut aged 17, on 7 May 2011, as a substitute in Raith Rovers" 3–0 defeat against Partick Thistle in the Scottish First Division. Having firmly broken in to the first team at the start of the following season, Donaldson was given a 2-year contract extension confirming his stay until 2014.
At the end of his contract he was released by the club
Donaldson joined Peterhead on loan on 14 November 2013. He made his debut on 16 November 2013, as Peterhead drew 1–1 with East Stirlingshire.
His loan ended early when he was recalled by Raith Rovers on 31 December 2013. After his release by Raith Rovers, Donaldson agreed a deal to sign for Peterhead on a permanent basis.
At the end of the 2014-2015 season, Donaldson was released by Peterhead and within a few days of leaving The Blue Toon, Donaldson signed for Scottish League Two side East Stirlingshire.
