He began his senior career with Dumbarton, then signed for Greenock Morton, although he spent the end of 2013–14 on loan at Queen's Park.
Wallace was a bit part player during his two seasons with the first team at Dumbarton, coming to the fore in their victory in the play-offs to win promotion to the Scottish First Division.
[5] On 18 July 2015, Wallace moved to Highland Football League club Nairn County, signing a one-year contract.
[9] After a season Wallace returned to the SPFL with Annan Athletic[10] and scored his first goal for them in the Scottish Challenge Cup against Celtic U21.
[15] He returned to Dumbarton in May 2023 after leaving Annan[16] scoring the first goal of his second spell with the club in a 2-1 win against Inverness Caledonian Thistle in July 2023.