Joe Mendes

Hammarby IF

In 2021, Mendes joined Hammarby Talang FF in Ettan, Sweden's third division. During the first half of the season, he scored once in 12 league appearances, while also providing six assists. On 19 July 2021, Mendes was promoted to their parent club Hammarby IF in Allsvenskan, the domestic first tier, signing a two-year deal. He made his competitive debut only days later, on 22 July, coming on as a substitute in a 3–1 home win against Maribor in the UEFA Europa Conference League.

Return to AIK

On 21 December 2021, it was announced that Mendes returned to his former club AIK, in an undisclosed deal between the two rival clubs. He signed a four-year contract with the Allsvenskan club, effective in January 2022.

Braga

On 28 January 2023, Portuguese side Braga announced the signing of Mendes on a five-and-a-half-year contract.

Loan to Basel

On 2 September 2024, Mendes joined Swiss club Basel on a season-long loan with an option to buy.

Samsunspor

On 10 July 2025, Mendes signed a five-year contract with Süper Lig club Samsunspor for a fee of €1.2 million, which could rise to €1.5 million with add-ons.

In 2018, Mendes won two caps for the Swedish U17 national team, playing in two friendlies against Belgium and Czech Republic. He made his full international debut for Sweden on 12 January 2023 in a friendly 2–1 win against Iceland.

Born and raised in Stockholm, Mendes started to play football as a youngster for local club AFC United, before moving to AIK at age 12. In 2020, he appeared in several friendlies for the club's first team, but did not feature in any competitive games.

Born in Sweden, Mendes is of DR Congolese and Angolan descent. He is the cousin of the Swedish footballer Jardell Kanga.