In 2009 and 2010, Mataora played for the Canberra Raiders' NYC team. In 2009, he played for the Cook Islands in the 2009 Pacific Cup.
2010
In Round 8 of the 2010 NRL season, Mataora made his NRL debut for the Raiders against the New Zealand Warriors. He played for the Junior Kiwis that year and was named at second-row in the 2010 NYC Team of the Year.
2011
In 2011, Mataora was selected in the Cook Islands 18-man squad to face New Zealand at the end of the year, although the NZRL called off the match due to players being unavailable.