[6] He made his Série A debut on 22 April, coming on as a late substitute for Lucas Paquetá in a 2–0 home win over América Mineiro.

[7] Jean Lucas made his debut in a continental competition on 24 May 2018, starting in a 0–0 draw against River Plate at the Monumental de Núñez, for the year's Copa Libertadores.

[8] On 9 February 2019, Jean Lucas joined fellow top tier club Santos on loan until the end of the season.

[12] Having featured sparingly for Lyon, Jean Lucas joined league rivals Brest on loan for the second half of the 2020–21 season in January 2021.

[15] He made his re-debut for the club eight days later, starting and providing an assist to Marcos Leonardo's opener in a 2–2 home draw against Botafogo.