Ioane made his provincial debut for Otago against North Harbour in 2017 and eventual Super Rugby debut for the Highlanders in 2018. In 2019 he became the first choice 10 for the Highlanders and has played 42 Super Rugby matches for the club.

Ioane made his All Blacks Test debut against Tonga in Hamilton in 2019 and was recently part of the 2021 Māori All Blacks squad under Head Coach Clayton McMillan.