The following season, he helped the Drua to clinch the NRC title, featuring in the team's victory in the final against Queensland Country.
[5][6] In 2019, Mawi joined the Fijian Latui, which had been integrated into the newly created Global Rapid Rugby competition.
[1] In February 2020, Mawi was recruited by the English Premiership club Saracens, initially on a short-term deal, to replace the injured loosehead prop Ralph Adams-Hale.
[10] Mawi helped Saracens to win the 2022–23 Premiership title, making 18 appearances throughout the season, including a start in the final, where the team defeated Sale Sharks by a score of 35–25.
[1] Mawi received his first senior call-up to represent Fiji in June 2018, ahead of the 2018 Pacific Nations Cup.