Born in Corrientes, Argentina, Romero came to the Talleres de Córdoba youth system in 2017 and signed his first professional contract in March 2019, aged 18.
He made his debut in the 2021 Copa Sudamericana match against Deportes Tolima on 28 April 2021.
[2][3][4] In the second half of 2024, Romero moved on loan to Chile and joined Unión La Calera in the top division.
[6][7] In 2019, Romero was included in the Argentina under-16 squad for the Mondial Football Montaigú in France.
[9] Romero was called up to a training session of Argentina U20 under Javier Mascherano in July 2022.