He made 14 total appearances in his only season, and scored his only goal on 17 December 2010, when he came on as an 84th-minute substitute for Yoric Ravet and wrapped up a 3–1 home win over Dijon.

[4] In June 2014, he returned to Ligue 2 with newly promoted club Luzenac AP,[5] who eventually were suspended from competition due to an inadequate stadium and released all of their professionals.

[11] Goalless across his entire first season, he scored his first goal for the Corsicans on 13 August 2019 in a 4–1 home win over Valenciennes in the first round of the Coupe de la Ligue.

[17] He made his debut on 8 June 2019 in a friendly against Angola, as a starter,[18] and later that month was chosen for the 2019 Africa Cup of Nations, in which his team were eliminated from the group stage in Egypt.

[19] In September 2019, Mendes scored all of Guinea-Bissau's goals in a 3–1 aggregate win over São Tomé and Príncipe in the first round of qualification for the 2022 FIFA World Cup.