Born in Picos, Piauí,[1] Júnior began his career with Clube Atlético Diadema [pt].

After playing for the under-17 squad, he made his senior debut on 9 April 2017, starting in a 3–2 Campeonato Paulista Segunda Divisão home win over Barcelona Capela.

[2] In 2019, after playing for the youth sides of Mirassol Futebol Clube, Júnior moved to Portugal and joined F.C.

[3] After playing for the under-23 team, Júnior made his professional debut with Famalicão on 27 November 2020, in a 2–0 Primeira Liga loss to F.C.

[7] On 20 August 2024, Júnior joined La Liga side Villarreal on a six-year contract.