Jensen was born on February 8, 2000 in Copenhagen. The player joined Ajax form Danish side FC Copenhagen, linking up with Ajax's youth academy in 2017. On December 12, 2020, he made his debut for the Ajax first team during a home game against PEC Zwolle (4-0).
In the second half of the 2020/2021 season, Jensen played on loan for FC Nordsjaelland. After his return to Ajax, he joined the first team. As of today, Jensen has played three times for the first team.
The Danish youth international often played for Jong Ajax. He has played sixty games for the reserves so far, scoring fourteen times. In 2018 he was champion of the first division with that team.