On 9 April 2019, he terminated his contract with the club after alleging unpaid wages and joined Santos, being initially assigned to the under-20s.

[1] Shortly after arriving, Allanzinho was promoted to Santos' first team by manager Jorge Sampaoli,[2] and spent several months of the campaign training with the squad.

[3] On 25 February 2021, Allanzinho made his first team – and Série A – debut, coming on as a second-half substitute for Arthur Gomes in a 0–2 away loss against Bahia.

[8] On 7 April 2023, Allanzinho was loaned to Série C side São Bernardo, reuniting with Márcio Zanardi, his former head coach in the under-20s of Santos.

[10] Shortly after leaving Santos, Allanzinho signed a two-year deal with Romanian Liga I side Politehnica Iași.