Dundee manager Neil McCann has made Finland U21 midfielder Glen Kamara his sixth signing of the summer.
Kamara moves to Dens Park from Arsenal, having had spells on loan at Southend United and Colchester United.
He joins fellow new boys Scott Allan (Celtic, loan), Roarie Deacon (Sutton United), Lewis Spence (Dunfermline Athletic), Randy Wolters (Go Ahead Eagles) and Jack Hendry (Wigan Athletic).