On 13 January 2015, Vagner made his professional debut with Gil Vicente in a 2014–15 Taça da Liga match against Estoril Praia.

He signed a four-year contract while Saint-Étienne reportedly received a transfer fee of €3 million plus bonuses.

[5] On 10 January 2024, Vagner signed a two-and-a-half-year deal with Ekstraklasa club Radomiak Radom.

[7] In December 2024, he was suspended by the club after a physical altercation with teammate Rafał Wolski during a training session.

[9] Vagner made his professional for the Cape Verde national team in a friendly 3–2 win over Algeria on 1 June 2019.