He had a brief stint at NSÍ Runavík in 2012, but only played three matches, transferring to Norwegian club FK Jerv.

[5] In August 2013, Davidsen moved to Vejle Boldklub,[6] where he became a key player, making more than 200 appearances for the club.

[7] On 17 January 2022, Davidsen signed a two-year contract with newly-promoted Allsvenskan club Helsingborgs IF.

[8] Although he received the club's captain armband during his spell in Sweden, he faced relegation at the end of the 2022 season.

[9] On 5 January 2023, Davidsen officially joined HB Torshavn on a free transfer, signing a three-year deal with the Faroese club and returning to his country of birth after eleven years spent abroad.