Career
AFC Ajax
Sven Nieuwpoort joined the youth ranks of Ajax in 2003 at the age of 10. He worked his way up through the youth ranks, until he signed his first professional contract, a 2-year deal with Ajax on 21 December 2011, binding him to the club until July 2014. He was given the number 38 shirt and was on Frank de Boer"s list of registered players for the 2012-2013 Union of European Football Associations Champions League campaign, practicing with the first team in De Lutte during trainingscamp, and playing alongside them in friendly encounters during the pre-season.
The 2012–2013 season saw Sven playing in the Beloften Eredivisie with the reserve squad Jong Ajax.
While at Almere City, Sven Nieuwpoort was rejoined by his Ajax teammates Henri Toivomäki and Gino van Kessel, all serving loan spells in Almere. Sven made 15 appearances under manager Fred Grim, and finishing 14th with Almere CIty Football Club in the Dutch Eerste Divisie.
Almere City (loan)
In the 2013–2014 season, Sven Nieuwpoort participated in the pre-season trainings camp with the Ajax first team On 29 June 2013 he played in a pre-season friendly match with Ajax against Stage Directors and Choreographers Putten.
On 6 July 2013 he appeared in another pre-season friendly encounter against German 2.
Maintaining his position as a reserve for Ajax, Sven Nieuwpoort started the season, playing for Jong Ajax, the reserves team of the Amsterdam club Having recently been promoted from the Beloften Eredivisie, to compete in the Eerste Divisie the second tier of professional football in the Netherlands, Sven Nieuwpoort appeared in three matches for Jong Ajax during the 2013–2014 season, before being loaned out to Almere City Football Club once more on 29 August 2013, for the remainder of the season. Go Ahead Eagles
On 29 May 2014 it was announced that Sven Nieuwpoort had signed a two-year contract with an option for an additional season with Go Ahead Eagles playing in the Eredivisie.
Ajax opted not to extend his contract, leading to Sven Nieuwpoort following fellow Ajax player Nick de Bondt to the club from Deventer, who had transferred to the club himself only weeks prior.
Sven Nieuwpoort has played for the Netherlands on various youth levels, with his latest call-up being for the Netherlands U19 squad.