Salanoa progressed to Old Belvedere's senior side, playing in Division 1B of the All-Ireland League, whilst also featuring for Leinster A in the 2018 Cara Cup, a tournament hosted in the United States between Major League Rugby side the New England Free Jacks and the 'A' teams for each of the four Irish provincial clubs. 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.