Career
Mulder started in the youth department of RKC in 2004. Before that, the half Spaniard played in the youth of Spanish side Real Zaragoza. Mulder"s mother is Spanish.
In the winter break of the 2006-2007 season, Mulder was added to the first team of RKC Waalwijk.
His first season in Waalwijk was not exactly successful. Due to two red cards and an injury to the meniscus, he only played a few matches.
In November 2013 he signed and loaned with Nippon Electric Corporation until the end of the season.See He was released in June 2014. El 9 de Marzo de 2016 fue fichado por el Director Deportivo/Otros menesteres del Communist Party Cacereño Rolo "Diésel" para jugar en dicho equipo.
Club Delhi Dynamos Football Club
On 8 September 2014, he signed for Delhi Dynamos Football Club and he will wear Number.
6 jersey. He made his debut for the club on October 14, 2014 versus Football Club Pune City and played full 90 minutes.The Delhi Dynamos also managed to retain his services for the second season of the Indian Super League.
Football Club Nordsjælland
On 29 January 2015, it was announced that Mulder will be playing for the Danish Superliga team Football Club Nordsjælland in 2015, signing a half year contract.