He studied Computer Science at the University of Glasgow, and afterwards became a software engineer, helping to develop iPhone apps.[7] He has said of his background that "I come from a very working-class family. My dad’s a welder and my grandpa was a miner."[8] His family was not very political, although they voted Labour, and "he didn’t know a single person who was a member of a political party when he joined", according to LabourList.[8] McKee caused controversy when it was revealed that he was gifted tickets worth £550 to the men’s final at Wimbledon a little more than a week after being elected.[9]