Now that you are dancing and you have your salary, you will need to get the tax card to pay fees and take care to closely check if your employer is doing the payment for you. It happened to many dancers that the emplyoyer did not do so, now they have huge debts to pay and if they dont do so they will go to prison.
If you want to work at weddings you can also do it, but it will require a permit, foreigners can only have one contract and should always carry documents and licenses with them. They should also be careful in their movements and costumes when performing in order that moral police does not bother you, of course if you have connections in strategic places this can be avoided.
Note that whenever you want to leave Egypt, you will have to ask permission to your employer and when you return its mandatory the HIV testing.