Third-world nationals, i.e. those from countries outside the European Economic Area and the European Union, will need a family reunion visa to visit their partner, spouse, or relative in Germany.
Who can work in Germany while on a family reunion visa?
On your family reunion visa, you can work in Germany if your relative:
Is employed in Germany as a researcher or a highly trained professional.
Possesses a Blue Card from the European Union.
Is in possession of a valid work permit allowing them to work.
Any adult in Germany on a Family Reunion visa who fits the above conditions is allowed to work, according to German law.