[19][20] In August 2024, Ngatai signed with the Kapfenberg Bulls of the Austrian Basketball Superliga.

[21] Ngatai made his senior international debut for the Tall Blacks in 2013 at the FIBA Oceania Championships.

He represented New Zealand at the 2017 FIBA Asia Cup in Lebanon, where the team ended up in fourth position.

[4][22] He was a key member of the national side which claimed the bronze medal at the 2018 Commonwealth Games.

[24] In July 2023, Ngatai was named in the Tall Blacks squad for the 2023 FIBA World Cup.