He played for the school's 1st XV team alongside future Auckland and Hawke's Bay teammate Stacey Ili.
During that time, in 2012, he played for – and captained – the Victoria Under 20 team in an interstate tournament, including a 42–5 win over Queensland Country in the final.
Since his arrival in Hawke's Bay, Kaifa played several games for the Hurricanes Development team,[17][18] but wasn't offered a Super Rugby contract.
[19] Kaifa made his Super Rugby debut on 19 March 2022 for Moana Pasifika against the Chiefs, after coming into the squad in place of Jack Lam.
[20] On 20 February 2024, Zebre Parma announced that the club had signed Kaifa as an injury replacement until the end of the 2023–24 United Rugby Championship season.