After training with the senior squad during 2019–20 pre-season, Salanoa made his non-competitive debut for Leinster as a replacement in their 47–17 friendly win against English side Coventry in August 2019, before making his senior competitive debut as a replacement in Leinster's 54–42 win against provincial rivals Ulster in round 8 of the 2019–20 Pro14 on 20 December 2019.