It makes no difference where you are paid from for Australian Tax Law. As you are a resident here you will pay tax here.
If they are paying you as a UK employee that lives in Australia you may also be taxed in the UK. So I think it would be best you are paid in Australia from Australia and only be taxed once.
As a resident the tax rates in Australia are as per the following link.
But being paid from the UK you may have to pay tax in the UK as well.
I hope this makes sense and is of assistance If there is nothing further
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