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.
On 8 August 2013 their contract with Ajax was extended for another year, binding them to the club until the summer of 2014. They joined the reserves squad at first, having played for the A1 youth selection the previous season. They made their 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. They made 15 league appearances while keeping two clean sheets. They 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 they would become third choice goalkeeper behind Mickey van der Hart, who was serving a loan spell from Ajax, and second choice keeper Erik Cummins. They 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 their contract, leaving them to search for a new club. That same Month it was announced that Schmitz had signed with Dutch Tweede Divisie side SV Spakenburg.