In 2006, Masi joined National Premier Leagues Victoria side Oakleigh Cannons FC.
[13] In December 2008, Masi played against LA Galaxy in an exhibition match in New Zealand as part of an Oceania XI All-Star team.
He made his full international debut on 7 June 1997 in a 1–0 loss against New Zealand in qualification for the 1998 FIFA World Cup.
According to an interview he gave to Queensland Soccer News, he appeared over 50 times for Fiji, and also won two Melanesia Cups.
[18] Fiji won the gold medal with Masi finishing as the tournament's top scorer with eleven goals.