[1][2] Nieminen's minor ice hockey career was played with the junior teams of Tappara in her hometown of Tampere.

In her first season with Kuortane, Nieminen led the team in scoring, tallying 23 points (15 goals + 8 assists) in 25 games played and was recognized with the Noora Räty Award as best rookie in the Naisten SM-sarja.

She added another 8 points in 6 playoff games as Luleå returned to the SDHL finals to face HV71 before the season was canceled due to the COVID-19 pandemic in Sweden.

[7] Nieminen has represented Finland in international ice hockey competition since 2015, first appearing with the Finnish national under-18 team at the 2015 IIHF World Women's U18 Championship in Buffalo, New York, where she recorded two goals and three assists in five games.

[12][13] She made her debut with the Finnish national team at the 2016 IIHF Women's World Championship, notching three points in six games as Finland finished in fourth.