Jefferson Assis

Jefferson Mateus de Assis Estácio (born 21 October 1994) is a Brazilian professional footballer who plays as a forward.

Barbarense
Jefferson made his league debut for Barbarense against Atlético Sorocaba on 4 February 2015.

Novo Hamburgo
Jefferson made his league debut for Novo Hamburgo against Cruzeiro on 11 March 2017. He scored his first goal for the club against Veranópolis on 30 March 2017.

São José
Jefferson made his league debut for São José against Ituano on 21 May 2017.

Sliema Wanderers
Jefferson joined Maltese Challenge League side Sliema Wanderers in the 2017 season. He made his league debut for the club against Balzan on 9 September 2017. He scored his first goal for the club against Lija on 23 September 2017, scoring in the 90th minute.

Nadur Youngsters
On 29 January 2019, he was loaned to Nadur Youngsters for the 2019 season.

Gżira United
In mid-2019 season, Jefferson signed with Gżira United. Jefferson made his league debut on 23 August 2019 as a starter in a 0–0 draw over Ħamrun Spartans. He scored his first goal for the club against Sliema Wanderers on 14 September 2019, scoring in the 28th minute.

Loan to Fujairah
During 2020, he was loaned to UAE Pro League club Fujairah for 6 months. He made his debut for the club against Al Dhafra on 24 January 2020. He scored his first goal for the club against Al Wahda on 29 January 2020, scoring in the 69th minute.

Return to Gżira United
He contributed with 25 league appearances and 20 goals for Gżira United during the 2022–23 season. Through these results, Jefferson won the top goalscorer award.

Bali United
On 5 July 2023, Bali United announced a deal for Jefferson to join Indonesian Liga 1 club Bali United on a fee transfer. He made his league debut for the club on 8 July 2023 against Borneo. He scored his first goal for the club, a penalty, against Madura United on 15 July 2023 in the 22nd minute.

Honours
Novo Hamburgo
 * Campeonato Gaúcho: 2017

Individual
 * Maltese Premier League Top Goalscorer: 2022–23