[1][2] He made his professional bow during an away draw with General Díaz in April 2014, featuring for the last twenty-five minutes of what was his only appearance in the 2014 Paraguayan Primera División season.
[1] He returned to Cerro Porteño in June, subsequently scoring his first goal for the club in December during a win over Sol de América at the Estadio Feliciano Cáceres.
[1] Having returned to his parent club in mid-2016, Borja spent the rest of the year on loan at fellow Paraguayan Primera División team Guaraní.
[1] In December 2018, Borja signed a pre-contract agreement with Argentinos Juniors of the Argentine Primera División; effective from January 2019.
[1] In 2021, Borja played for fellow league club Sportivo Luqueño, before signing with Sol de América ahead of the 2022 season.