Berndtsson began her Riksserien career with
Segeltorps IF, appearing in a single game during the 2008–09 season. She then spent several years playing for Södertälje SK in
Division 1 (which was renamed Damettan in 2015), before making her return to Riksserien by signing with AIK IF for the
2013–14 campaign. The following season,
2014–15, she played for SDE HF, and ahead of the
2015–16 season, she joined Djurgårdens IF Hockey. In her
second year with Djurgården, Berndtsson helped lead the team to an SDHL Championship title, posting the third-highest
save percentage in the league at .940 over 27 regular-season games, and recording shutouts in every playoff round. She was chosen by the
Buffalo Beauts during the
2021 NWHL International Draft on July 25, 2021. The next day, she signed a professional contract with the Beauts, becoming the first player from that draft to officially sign with an NWHL team.
International She competed as a member of the Swedish national women's ice hockey team at the 2017 IIHF Women’s World Championship. ==References==