Taumoepeau was schooled at St Joseph's College, Hunters Hill and represented Australia at under 20 level, and as part of the Australian Sevens.
He has an older brother, Pauliasi Taumoepeau who captained both the St Joseph's College 1st XV and Australian Schoolboys in 2004 and who later played for Eastern Suburbs Rugby Union in Sydney
He made his debut for the Brumbies in the 2008 Super 14 season, at aged 18. He spent three seasons with the Brumbies.
In October 2010 he signed to the Melbourne Rebels and became the Rebels 32nd squad member.
In 2011 he joined French team Pau in the French second division (Pro D2) where he stayed 3 years. He then signed for Albi in the same division for 2 years.
In 2016 he joined Castres, in the French Top 14 league. On 2 June 2018 he became a Top 14 champion, Castres beating Montpellier in the final. On 5 June he joined Perpignan, still in the Top 14, for a 3 year contract.
Taumoepeau made his test debut for Tonga on 7 November 2021 as part of a 69-3 loss to England during the 2021 Autumn Nations Series
He has recently been included in Tonga's final training squad for the 2023 Rugby World Cup.
S.C June 23
|2018 - present|
|2021 - present|
|2008 - 2008|
|2011 - 2011|
|2011 - 2014|
|2015 - 2018|