Brodersen made his professional debut for FC St. Pauli in the 2. Bundesliga on 8 February 2019, starting in the away match against 1. FC Köln, which finished as a 4–1 loss.[3]
Brodersen joined struggling J1 League side Yokohama in the summer of 2021, making his debut in a 2–0 home win against Nagoya Grampus.
International career
Brodersen was included in Germany's squad for the 2017 FIFA U-20 World Cup in South Korea.[4] He made two appearances in the group stage, along with the round of 16 match against Zambia, in which Germany were eliminated with a 4–3 loss after extra time.[2]