The 23-year-old had been on trial with the Mother City side last season and was again invited by the Ajax head coach Roger de Sa for another look in the last few weeks.
Ajax assistant coach Mich d' Avray explained: "Although he is still untried and untested, he’s a good size and has the speed. He can slot in at the left-back position but he obviously has to has to learn a lot.
"That said he has the ability and potential to be good player and to add value."
Molete has yet to make his professional debut in the Premier Soccer League.