Right winger Kalvin joined the club prior to the start of 2017/18 season. Having started his career at Pittodrie with Aberdeen he moved to St Mirren at the start of 2016/17 and was loaned out to Queens Park for the second half of the season. His Spiders debut was against East Fife at Hampden Park in February and he went on to make 3 starts and 8 substitute appearances - scoring his first senior goal in a 3-2 defeat against Airdrieonians in the final game of the season. Notably scored for City against his former club St Mirren in September 2017.