At the 2011 AIBA World Boxing Championships in Baku, Azerbaijan, he lost in the first round of the lightweight event to Eugen Burhard of Germany by a score of 7–13. In 2012 Cordina won a bronze medal at the European Under-22 Boxing Championships held in Russia. He defeated German boxer Artur Bril in his quarterfinal bout before losing 13–12 to Russian Maksim Shmiglev in the semi-finals. He was eliminated from the 2013 AIBA World Boxing Championships after losing his first bout in the lightweight event to Lázaro Álvarez of Cuba. At the 2012 European Boxing Olympic Qualification Tournament he was eliminated after his bout against David Joyce of Ireland was stopped in the third round.