[2] At the Youth World Championships in Guadalajara, Mexico, Moylette won the gold medal in the lightweight (60 kg) division, becoming the first Irish boxer in history to win a gold medal at the Youth World Championships.

He recently won the Irish senior championships at light welter-weight, beating Ulster champion Steven Donnelly.

[citation needed] At the Youth Championships, Moylette defeated Fred Evans of Wales and Cuba's Juan Garcia to get to the final where he beat Kazakhstan's Daniyar Yeleussinov to take the title.

He made his pro debut in March 2017 at The Grand Connaught Rooms in London, with three more victories that year in Boston, USA.

Moylette would face Mexican Christian Uruzquieta for the World Boxing Council International Silver Lightweight title.