Ramírez started in the youth ranks of Lanús, which preceded a short spell in 2015 with Talleres' academy prior to rejoining Lanús.[2] He scored two goals in five games for the Lanús U20s at the 2016 U-20 Copa Libertadores.[3] In July 2016, Ramírez was loaned to fellow Argentine Primera División side Quilmes.[3] He made his professional debut on 17 September during a 1–1 draw with Independiente.[3] In the following December, he scored the first two goals of his senior career in league matches against Sarmiento and Temperley.[3][4] In total, Ramírez featured twenty-two times for Quilmes.[3] He returned to Lanús in 2017.[3][5]
He was again loaned out two months later to rejoin Talleres.[6] Six appearances followed prior to his departure in December.[3] In January 2018, Ramírez rejoined Quilmes, now of Primera B Nacional, on loan.[3][7] His first appearance of 2017–18 arrived in a tie versus Agropecuario on 5 February.[3]Atlético de Rafaela signed Ramírez on a loan deal in the following July.[3]