Pike joined West Ham as an under-11 team player as a midfielder before converting to play as a right-back as a schoolboy. He was first included in a West Ham matchday squad for their UEFA Europa Leaguesecond qualifying round first leg fixture away to Birkirkara of Malta on 16 July 2015, remaining an unused substitute in a 1–0 victory at the Boleyn Ground. With manager Slaven Bilić putting priority on the team's Premier League performance, he made an array of changes for their third qualifying round second leg away to FC Astra Giurgiu on 6 August, and Pike made his debut as an added-time substitute for Lewis Page in a 2–1 defeat which saw his team eliminated.