Вы в каком городе?кто как уведомлял Ausländerbehörde при смене работодателя.
В Мюнхене онлайн или обычной почтой
Arbeitgeberwechsel
Was Sie bei einem Arbeitgeberwechsel als internationale Fachkraft wissen müssen.
stadt.muenchen.de
В Берлине есть онлайн, меню " change of employer"
Contact form for inquiries to Units B 1, B 2, B 3 and B 4 (skilled workers, training and further education, school visits, studies, science and other special residence purposes) - Berlin.de
Contact form for inquiries to Units B 1, B 2 B 3 and B 4 (skilled workers, training and further education, school visits, studies, science and other special residence purposes) at the Berlin Immigration Office
www.berlin.de