Earlier quoted context omitted.
This will require research on each countries laws, some countries have very rigid definitions of what qualifies as employment and will not allow those payments to be classified as contract income, dividends, or anything else.
The way I do it, I set up a limited liability company that is just my own name. I then charge for services rendered and income goes into a company in my sole ownership. I then pay salary to the only employee (me). This is common and completely legal.
You can do this in Australia too.
A simpler way is use a labour hire company, they keep you on payroll and bills the client for your work (an agreement has to be drawn between them and the company) (you need to submit a weekly timesheet). They take a commission (which includes services to run payroll and provide personal liability and professional indemnity insurance) and remkist the rest as normal salary.