On 14 June 2021, Frödén was signed as an undrafted free agent to a one-year, two-way contract with the Boston Bruins of the NHL.[2]
Leaving the Bruins as a free agent at the conclusion of his one-year tenure with the club, Frödén was signed to a one-year, two-way contract with the Seattle Kraken on 13 July 2022.[3]
During the 2022–23 season, on 22 February 2023, Frödén was recalled to the Kraken from their AHL affiliate, the Coachella Valley Firebirds. He appeared in a career high 14 NHL games, recording 4 assists. He remained with the Kraken through their maiden post-season run, featuring in 1 playoff contest. He returned to the Firebirds for their inaugural playoff campaign and collected 5 goals and 10 points through 15 games in reaching the Calder Cup finals against the victorious Hershey Bears.
As a pending free agent from the Kraken, Frödén opted to return to Europe and signed a two-year contract with Swiss club, ZSC Lions of the NL, on 24 June 2023.[4]