Ferreira started in the Americano children's categories at the age of six.
After this spell, he played for Boavista SC for a few months and in 2021, arrived at São Paulo, where he gained prominence and was scouted by European clubs like Bayer Leverkusen.
Ferreira even defended the Brazil under-17 team in some matches in 2023, and in March of the same year, he signed his first professional contract.
[1][2][3] In January 2025, Ferreira became champion of the 2025 Copa São Paulo.
[4] Lucas Ferreira made his professional debut against Botafogo-SP, on 20 January 2025.