Bullen spent his college career at the University of Massachusetts Amherst where he made a total of 75 appearances and tallied 21 goals and 12 assists.
He also spent time with Albany Admirals in the USL Premier Development League.
In 2006, Bullen joined USL-1 club Portland Timbers where he played alongside his cousin Salim.
In 2008, he joined the New Jersey Ironmen and appeared in 20 matches for the team scoring 3 goals and recording 1 assist.
After a couple of years away from the outdoor game, Bullen spent the 2009 season with Newark Ironbound Express where he made 16 appearances and scored two goals.