Born in Monção, Maranhão, Eguinaldo played football on the floodplains of his hometown, playing in local competitions.[2] He started his career with Artsul, joining in 2021, and rapidly progressing to the first team, where he featured in the Campeonato Carioca Série A2.[2][3]
Having spent time on loan at Vasco da Gama, playing for their youth and senior sides, the deal was made permanent on 4 August 2022, with Eguinaldo signing a contract through 2027.[4]
Eguinaldo is one of the fastest players in world football, clocking a top speed of 37.5 km/h in a Série B game against Novorizontino in October 2022.[6]