Smit's career started at amateur clubs SETA (from Musselkanaal), SPW and SC Stadskanaal (both from
Stadskanaal). In 2002, she joined
Oranje Nassau, winning the
KNVB Women's Cup in her third and final season at the club. She then joined
Be Quick '28 in 2005 and was the top scorer of the
Hoofdklasse. When the professional Dutch women's league, the
Eredivisie Vrouwen, was formed in 2007, she joined
FC Twente for the league's inaugural season and won her second Dutch Cup at the club. In 2008, she joined
SC Heerenveen and was the Eredivisie top scorer for two consecutive seasons, with 14 goals in
2008–09 and 11 goals in
2009–10. She joined
FC Zwolle in 2011 and when the Belgian and Dutch leagues merged creating the
BeNe League. She played the inaugural season for the club (then renamed PEC Zwolle). On 11 June 2015, it was announced she was joining DTS Ede in the Dutch
Topklasse. ==International career==