[7][8] Geertruida made his professional first team debut on 25 October 2017 in the second round of the KNVB Cup against AVV Swift, coming on as a substitute in the 77th minute for Jerry St.

[9][10] Throughout the 2018–19 season, Geertruida was consistently part of the first-team squad at Feyenoord but saw limited playing time, making just two substitute appearances in the Eredivisie.

[11] He made his debut in the Eredivisie on 23 December 2018, against ADO Den Haag, replacing club legend Robin van Persie in the 79th minute.

On 21 March 2021, Geertruida was called up to the Netherlands national under-21 football team for the 2021 UEFA European Under-21 Championship to replace the ill Jurriën Timber.

[21] On 17 March 2023, Geertruida received his first call-up to the Netherlands senior national team for the Euro 2024 qualifying matches against France and Gibraltar.

[23] In June 2023, Geertruida was part of the Netherlands' squad for the 2023 UEFA Nations League Finals, where he played the full match against Croatia in the semi-final and the first 45 minutes against Italy in the third place play-off.