[MeeSoto]

Currently working as Marketing for a smaller MNC. 3 years experience.
Current Pay around 3850. Yearly Bonus is slightly more than 1 month salary.

Referred by a recruiter to a remote job opening in USA Silicon Valley Software Co with financial backing of French MNC. Home based, local payroll agency, work in SG but report to this overseas company. Job scope is about the same as my currently company.
Made it through their interviews and this new company's HR is offering 63000 yearly, however the pay structure is split into 80% Basic and 20%performance bonus.
Assuming a 12month year
Monthly Basic: 4200
Monthly Bonus up to 20%(Paid every quarter based on perfomance measurement): 1050

Is this an offer worth switching to?