He made his first team debut on 16 November 2013 against Dunfermline and scored his first competitive goal over two years later on 26 December 2015 against Peterhead.

Cadden signed for West Lothian side Livingston in summer 2016 ahead of the club's first and only year in Scottish League One.

[4] He made his league debut in August against former side Airdrieonians and went on to play 33 more games in his first season, scoring 6 goals; Livingston were promoted as champions.

[5] In the 2017–18 Scottish Championship, Cadden appeared 26 times (around half from the bench) as the club finished runners-up, and was then selected for all four playoff matches, Livi defeating Dundee United and Partick Thistle to progress to the Premiership.

[18] The brothers attended Our Lady's High School, Motherwell, one year group ahead of fellow footballer Kieran Tierney.