A former youth academy player of Defensor Sporting, Méndez joined Montevideo Wanderers in February 2017. He made his professional debut for the club on 2 June 2019 in a 0–3 league defeat against Cerro.[2]
On July 28, 2022, Estudiantes de La Plata acquires the services of the 23-year-old striker from the Montevideo Wanderers club for 1,700,000 dollars for 70% of the record, signing a contract until June 2025.[3]