You will get a payroll remittance form every month from the government.
Calculate deductions here:
https://apps.cra-arc.gc.ca/ebci/rhpd...o?lang=English
You do not need to deduct EI.
You have to remit every month, until they trust you.
I recommend that you only pay yourself about a $10/hr wage, and then let your accountant figure out the best strategy to minimize overall taxes.
GST is done separately.