He made his professional – and Ghana Premier League – debut on 21 February 2016, starting in a 1–0 away win against Cape Coast Ebusua Dwarfs.
Lomotey scored his first professional goal on 12 March 2016, netting the opener in a 1–1 home draw against Wa All Stars FC.
[3] On 30 August 2017, Lomotey moved abroad after agreeing to a one-year loan deal with Segunda División B side Extremadura UD.
On 30 June 2018, Córdoba CF announced that Lomotey signed a three-year contract with the club, being initially assigned to the B-side also in the third division.
[9] On 25 May 2017, Lomotey made his international debut for Ghana, after coming on as a second-half substitute for Gideon Waja in a 1–1 non-FIFA friendly home draw against Benin.