He has spent most of his career in Portugal, playing over 100 Primeira Liga games in two spells at Porto and for Braga, as well as loans at Portimonense and Rio Ave. Born in Barra do Corda, Maranhão, Galeno joined Trindade's youth setup in 2014.
[1] He made his senior debut for the club on 10 February 2016, playing the last 29 minutes and scoring a brace in a 3–0 away defeat of Atlética Anapolina for the Campeonato Goiano championship.
[4] On 28 June 2016, Galeno moved abroad and joined Porto on a one-year loan deal, being initially assigned to the B-team in Segunda Liga.
[7] Galeno made his first team – and Primeira Liga – debut for Porto on 21 October 2017, coming on as a late substitute for Moussa Marega in a 6–1 home routing of Paços de Ferreira.
[8] Three days later he made his first start in the group stage of the Taça da Liga, a goalless draw with Leixões also at the Estádio do Dragão.
[11] He made his European debut 15 days later away to Jagiellonia Białystok in the UEFA Europa League second qualifying round, and on 2 August scored twice in the first half of the second leg, a 4–4 home draw that saw his team eliminated.
[18] On 23 May 2021, Galeno was named the man of the match after Braga defeated Benfica 2–0 in the 2021 Taça de Portugal Final, to claim the cup competition for the third time in club history.
[19][20] Galeno scored six goals in as many Europa League group games for Braga in 2021–22;[21] this included two on 30 September in a 3–1 home win over Denmark's Midtjylland.