He made his professional debut for the club on 7 April 2021 in the second leg of 2020 Championship playoff final against Rentistas.
[2][3] Four days later, on 11 April, he joined Rentistas on a season long loan deal.
[4] He joined Liverpool Montevideo on a season long loan deal in February 2022.
[6] On 4 September 2023, he joined Dinamo Zagreb on a season long deal with a buy-out option.
[8] Sosa was born in Uruguay and is of Italian descent, holding dual citizenship.