Engelhardt made his senior professional football debut for
Werder Bremen II during the 2019–20 season. In 2021, Engelhardt moved to
SC Freiburg on a two-year loan spell. He made 54 appearances for
SC Freiburg II, scoring three goals. On 12 June 2023, Engelhardt agreed a deal to join
Fortuna Düsseldorf ahead of the 2023–24 season. On 1 August 2024, Engelhardt signed a three-year contract with
Como in Italy. On 1 September 2025, Engelhardt signed for
Borussia Mönchengladbach on a one-year loan. ==International career==