[4] In 2015 Pijnaker moved to Wellington to join the Olé Football Academy,[3] then run by Declan Edge, and played for affiliated club Western Suburbs in the Central League that features teams from the lower half of the North Island of New Zealand.
[8] Following the conclusion of New Zealand's 2019 FIFA U-20 World Cup campaign, Pijnaker joined his former coach Declan Edge at Swedish Division 2 Norra Götaland side Torslanda IK,[3] a club run in partnership with the Olé Academy.
[10][11] After a 10 day trial, Pijnaker signed in January 2020 with Swiss Challenge League club Grasshopper, joining international teammate Max Mata.
[2][12][3] After the short stint at Grasshoper, Pijnaker signed a four-year deal with Portuguese Primeira Liga club Rio Ave on 30 August 2020.
[15] On 1 April 2024, Pijnaker suffered broken ribs in a collision with his own goalkeeper Ed McGinty in a 3–0 loss away to St Patrick's Athletic.