Ekpiteta signed a contract with the Blue Brazil in July for the 2017/18 season having impressed during pre-season.
He was a member of Dartford’s youth team squad that went on a great run in the FA Youth Cup in the 2013/14 season before losing to Chelsea.
More recently he has played for Fisher FC in the Southern Counties East League and then last season for Grays Athletic.
Calvin, a cousin of Marvel Ekpiteta, made his debut for the Blues against King’s Lynn Town in the first home match of the season and he scored his first goal for the club against Cheshunt in a Hertfordshire Charity Cup tie.