Working as a W2 employee from Canada would likely cause tax and filing headaches with the Canadian Revenue Agency (CRA), although the salary differential betwee

Working as a W2 employee from Canada would likely cause tax and filing headaches with the Canadian Revenue Agency (CRA), although the salary differential between US/Canada might make this worth it (you just have to be careful). You may also have cashflow issues come tax-time as you will have a large tax Canadian tax burden at the end of the year since your employer would have only withheld/remitted to the IRS, so you would need to file a US return to get back all the income tax that was withheld by your employer. Disclaimer - not a lawyer but also went through this process, in the end my employer decided to switch me to a contractor.