Career
Jansen has also represented the Dutch national basketball team multiple times. On July 2, 2003 Jansen signed with Hanzevast Capitals from Groningen. In 2005, he got his first NBB Cup.
In the 2005-2006 season Jansen played for British Columbia Omniworld in Almere.
He returned to Groningen in 2007. After two seasons with the Capitals, he signed with.
lieutenant was his second national championship. During the 2012-2013 season, Jansen returned to his former club GasTerra Flames.
His contract wasn"t extended.
On June 28, 2013 it was announced Jansen signed with the Den Helder Kings for the 2013-2014 season. In August 2014, Jansen signed a 2-year deal with Zorg en Zekerheid Leiden. Club Individual.