Born in Cascais, Lisbon District,[2] Chiquinho spent nearly one decade at the youth system of local Sporting CP.
In 2019 he signed with neighbouring G.D. Estoril Praia,[3] making his Liga Portugal 2 debut on 18 January 2020 in a 1–0 home win against Académica de Coimbra where he came on as a 60th-minute substitute.
[4][3] He scored his first goal as a professional the following month, in the 4–1 victory over Casa Pia A.C. also at the Estádio António Coimbra da Mota.
[10] He made his debut on 5 February, which coincidentally was his 22nd birthday, replacing Leander Dendoncker late into a 1–0 home loss against Norwich City in the round of 32 of the FA Cup.
[18] Chiquinho made his Portugal under-21 debut on 12 November 2021, replacing Fábio Silva in the second half of the 1–0 win in Cyprus in the 2023 UEFA European Championship qualifiers.