I am a German native, can provide you with excellent work, but since that the bid is very low for such a workload, I have to take 30 days for it.
You do not mention how you intend to pay for this, I would suggest GAF escrow, with you releasing funds after every 10 submissions. PayPal is an option, but the payment method shall be discussed later.
Have fun choosing the right translator. Ich bin mir sicher, Sie werden weise wählen...