[3] Initially a central defender, he was converted to play as a centre-forward by River's youth coaches, who noticed his physical and technical ability.

[3] Following the break from football due to the COVID-19 pandemic in Argentina, Ruberto returned to action scoring seventeen goals in fourteen games in the 2021 season.

[3] The following year, having been promoted to the club's reserve team, he drew interest from English Premier League side Brighton & Hove Albion.

[6] The forward scored his first goal for the senior River Plate squad, in his second appearance against Barracas Central, just 15 minutes after being substituted into the match.

[7] In April 2022, Ruberto was called up to the Argentinian under-16 team for the 2022 edition of the Montaigu Tournament, where he scored three goals in four appearances as Argentina finished second.