Kayzer made his first team – and Série A – debut for Vasco on 16 September 2015, coming on as a second-half substitute for Serginho in a 2–2 away draw against Cruzeiro.

Kayzer subsequently represented Villa Nova, Ferroviária and Tupi on loan,[5] impressing with the latter in the 2018 Campeonato Mineiro.

Kayzer returned to Raposa for the 2019 season; initially assigned to the first team,[7] he was rarely used and subsequently moved out on loan to Ponte Preta.

[10] On 25 September 2020, Kayzer joined Athletico Paranaense on a permanent three-year deal after a long series of loan spells.

[16] He was a regular starter as the club won the year's Campeonato Catarinense, and scored the first goal of the 2024 Série A before being recalled by Fortaleza on 13 April.