Coker joined The Bees in the summer from fellow National League side Solihull Moors. The left-back started his career at Colchester United where he made 41 League One appearances in three seasons for The U’s. After a loan spell with Histon, Coker joined Essex rivals Southend United in League Two. Coker would play over 200 games for The Shrimpers helping his side win the League Two play-offs in 2015 as well as making the PFA League Two team of the year. A move to Stevenage followed where he would make 74 appearances in League Two.