Lens Born in
Creil,
Oise, Banza began his senior career with
Lens, first with its
reserve team in the
fourth tier. He scored his first
Ligue 2 goal on 6 May 2016, as consolation at the end of a 2–1 loss at
Bourg-en-Bresse. In January 2017, Banza was loaned to
Championnat National club
Béziers until the end of the season. That August, he moved to
UT Pétange of the
Luxembourg National Division in the same manner. He was the season's sixth highest scorer with 13 goals, including a
hat-trick in a 4–1 home win over
Esch on 15 April 2018. On 24 May 2019, Banza scored the extra-time winner as Lens won 2–1 at
Troyes in the second leg of the play-off semi-finals. The following season, he scored seven times as Lens won promotion as runners-up, including two on 3 December 2019 in a 3–0 home win over his local side
Chambly. He was sent off 18 days later in a 1–0 win over
Niort also at the
Stade Bollaert-Delelis.
Famalicão On 31 August 2021, Banza joined
Famalicão in Portugal on loan for the
2021–22 season. On his
Primeira Liga debut 12 days later, he scored twice in a 2–2 draw at
Moreirense; he added both goals of a win at
Santa Clara on 23 October, though he was also sent off. He finished the season as joint seventh top scorer with 14 goals in 29 games, including two on the final day in a 3–2 home comeback win over neighbours
Braga to ensure a top-half finish.
Braga On 19 July 2022, Banza signed a five-year deal with Braga for a €3 million fee, complete with a
buyout clause of €30 million. He made his debut on 7 August in the season opener at home to
Sporting CP, scoring his club's first goal of a 3–3 draw; five days later he added two more goals in a 3–0 win on his return to Famalicão. In the
2023–24 season, he managed to score 21 goals in the Primeira Liga, equalling his club's top scorer in a single campaign,
Chico Gordo in the 1977–78 season.
Trabzonspor On 13 September 2024, Banza signed for Turkish club
Trabzonspor on a one-year loan deal.
Al Jazira On 22 September 2025, Banza signed for Emirati club
Al Jazira. == International career ==