In 2013, Rintala was signed by the Kalamunda Eastern Suns to play in Western Australia's State Basketball League.[2] She had a very successful debut in the SBL, leading the Suns to their first grand final and taking home the club MVP award for the 2013 season.[3] Rintala would remain with the Suns for the 2014 season.
In 2017, Rintala played a third season with the Suns. She went on to spend the 2017–18 WNBL season training with the Perth Lynx.[4] She continued on with the Suns in 2018 and 2019.
In October 2019, Rintala signed with the Adelaide Lightning for the start of the 2019–20 WNBL season as a replacement for injured import Crystal Langhorne.[5][6] Rintala played five games for the Lightning between 18 October and 22 November.[7]
In September 2020, Rintala signed with the Bendigo Spirit for the 2020 WNBL Hub season in Queensland. She joined the team as a local after becoming a naturalised Australian.[8][9] In 13 games, she averaged 4.4 points and 3.2 rebounds per game.[7]
Rintala joined the West Adelaide Bearcats of the NBL1 Central for the 2021 season.[10]
In February 2022, Rintala re-joined the Spirit for the rest of the 2021–22 WNBL season.[11] She then re-joined the Bearcats for the 2022 NBL1 Central season and helped the team win the championship.[7]
Rintala joined the Diamond Valley Eagles of the NBL1 South for the 2023 season.[7] She returned to the Eagles for the 2024 season.[7]
Rintala joined the Bulleen Boomers of the Big V for the 2025 season. She helped the Boomers win the Big V championship.[12][13] In 16 games, she averaged 15.94 points and 9.13 rebounds per game.[14]
In January 2015, Rintala joined Rhein-Main Baskets if the German DBBL.[15] She left the team after playing six games for the team.[7]
In January 2018, Rintala joined Résidence Walferdange in Luxembourg, competing in the Nationale 1 league. In 10 games, she averaged 18.6 points, 12.1 rebounds, 2.2 assists and 1.4 steals per game.[7]