Jankel released his debut EP Step in the City on 12 December 2011, through Marco Del Horno's record label Bullet Train.
He released his third EP Let You Down through Buygore, and the track "Geeky Playtime" gained exposure through being uploaded to UKF.
[6] He remixed Tinie Tempah's song "Trampoline", which was premiered by SB.TV (as the first of their SB.TV Beats features)[7] and topped the Beatport hip hop charts.
A non-single, titled "Not Into It (LA Mix)", samples vocals from "Long Way 2 Go" by Cassie and premiered on Annie Mac's Radio 1 show on 10 October 2014.
Shift K3y is the son of Chaz Jankel, a British singer, songwriter, composer and record producer and his wife Elaine O'Halloran.