AFC Ajax Maurits Schmitz joined the youth ranks of
AFC Ajax in 2002 where he progressed through the various ranks, signing his first professional contract in the summer of 2012. On 8 August 2013 his contract with Ajax was extended for another year, binding him to the club until the summer of 2014. He joined the reserves squad at first, having played for the
A1 youth selection the previous season. He made his professional debut in the Dutch
Eerste Divisie on 14 October 2013 against
Fortuna Sittard, playing the full 90'-minutes in the 3–0 away loss. In the summer of 2014, Schmitz became the first choice keeper for
Ajax Zaterdag (Ajax 3), the newly promoted amateur team of Ajax, competing in the
Topklasse, the third tier of professional football in the Netherlands. He made 15 league appearances while keeping two clean sheets. He also made one appearance in the first round of the
KNVB Cup in a 4–0 win against
De Valk.
Go Ahead Eagles On 22 December 2014 it was announced that Schmitz would transfer to
Eredivisie side
Go Ahead Eagles from
Deventer where he would become third choice goalkeeper behind
Mickey van der Hart, who was serving a loan spell from Ajax, and second choice keeper
Erik Cummins. He made no appearances in one season with the club, having been on the bench as second keeper for one match.
SV Spakenburg In March 2016, Schmitz was released from the Eagles with no extension of his contract, leaving him to search for a new club. That same Month it was announced that Schmitz had signed with Dutch
Tweede Divisie side
SV Spakenburg. ==International career==