[8] Nakubuwai joined Melbourne's National Youth Competition team in 2015, playing 42 matches over two seasons.

[11] Nakubuwai spent most of the 2017 season playing for one of the Titans' feeder clubs, the Tweed Heads Seagulls, in the Queensland Cup.

[12] On 29 November 2017, it was revealed Nakubuwai had signed a two-year deal to join English side Salford Red Devils in the Super League.

[15] On 12 August 2023, Nakubuwai played for Leigh in their 2023 Challenge Cup final victory over Hull Kingston Rovers.

[16] He played 19 games for Leigh in the 2023 Super League season as the club finished fifth on the table and qualified for the playoffs.