Nils Seufert

Seufert made his professional debut for 1. FC Kaiserslautern on 25 October 2017, starting in a home match in the second round of the 2017–18 DFB-Pokal against Bundesliga club VfB Stuttgart. In May 2021 Greuther Fürth, newly promoted to the Bundesliga, announced the signing of Seufert for the 2021–22 season. He signed a contract until 2024 and joined on a free transfer from Arminia Bielefeld. On 1 January 2022, Seufert was loaned to SV Sandhausen until the end of the season. On 10 July 2023, Seufert signed a two-year contract with SV Ried in Austria. On 27 August 2024, Seufert signed a contract with Jerv in Norwegian third tier until 2025.

Richmond Kickers

2025

On 24 January 2025, Seufert signed with Richmond Kickers of USL League One. He would make his debut and score his first goal in a 4–2 win against South Georgia Tormenta. On 27 September, he would score his second goal for the club in a 4–2 loss against the same club. He would also score a brace in a demolishing 5–1 win against Forward Madison FC in their last game of the season.

2026

On 11 April 2026, Seufert made his first appearance in the 2026 season getting subbed in a 3–1 loss against Spokane Velocity. His first match as a starter for the season was in a 3–0 loss against MLS club Columbus Crew in the U.S. Open Cup.