Cunha played youth football in Brazil for Coritiba. At the age of 18, he moved to Europe to join Swiss club Sion. He then played for Bundesliga clubs RB Leipzig and Hertha BSC, before joining Atlético Madrid in August 2021. In January 2023, he moved to Wolverhampton Wanderers, initially on loan.
Cunha won a gold medal with the Brazil under-23 team at the 2020 Summer Olympics. He made his senior international debut in September 2021.

On 1 June 2025, fellow Premier League club Manchester United announced an agreement with Wolves for the transfer of Cunha. On 12 June 2025, United completed the transfer for a reported fee of £62.5m

See Proof Photo. Comes with COA.