[2][3] Born in Sarchí, Alajuela, Vargas came through the academy at Liga Deportiva Alajuelense and was promoted to the main squad by coach Óscar Ramírez on 30 May 2013, along with the other youth Ronald Matarrita and Steve Garita.

[5] Vargas was mainly a backup option during the following years, only making his league debut on 18 February 2015 by starting in a 2–1 home loss against Limón.

On 1 August 2018, Vargas moved abroad and joined Categoría Primera A side Deportes Tolima on loan.

[20] Vargas made his senior Costa Rica debut at the 2017 Copa Centroamericana, playing in a 3–0 win over Belize on 15 January 2017.

[21] He scored his first goal for the national team in a 2022 FIFA World Cup qualification match against the United States, netting the opener in a 2–0 victory on 30 March 2022.