On 22 December 2020, Romaña joined American Major League Soccer club Austin FC ahead of their inaugural season in 2021.[3] He made his debut for Austin FC on 17 April 2021 in their inaugural match against Los Angeles FC, starting in the 2–0 away defeat.[4] Romaña spent the 2023 season on loan with Paraguayan side Club Olimpia.[5] Prior to the 2024 season, Austin FC announced they traded Romaña to the Argentine side San Lorenzo de Almagro.[6]