|Date of birth||14 March 1973|
|Place of birth||Braunschweig, West Germany|
|Height||1.89 m (6 ft 2 in)|
|1992–2006||Eintracht Braunschweig II|
|2006–2009||Eintracht Braunschweig II (assistant)|
|* Senior club appearances and goals counted for the domestic league only.
After playing youth and amateur football for Braunschweig-based club MTV Hondelage, Spoelder joined the reserve side of Eintracht Braunschweig in 1992. He was promoted to the club's first team in 1995 and went on to spend his entire professional career as back-up keeper at Eintracht Braunschweig, making 18 league appearances in ten seasons. His longest stint as starting keeper came during the 2002–03 2. Bundesliga season, when he played nine games in a row.
- "Jan Spoelder - Der Feuerwehrmann". Eintracht aktuell (in German). 28 (13): 12–13. 2003.
- Horst Bläsig/Alex Leppert, Ein Roter Löwe auf der Brust - Die Geschichte von Eintracht Braunschweig (2010) (German), publisher: Die Werkstatt, page: 390