Career
Football Club Nuremberg and SpVgg Fürth. Seiderer started his career with Nuremberg before joining Fürth in 1917. He also represented the German national team, winning eight caps and scoring five goals between 1920 and 1924.
He later coached Germania Nürnberg, ASV Nürnberg, Wacker München, Football Club Schweinfurt 05, SpVgg Fürth and VfB Stuttgart.