freelance developer in Toronto, Canada (work remote is ok)

I am looking for a certified developer to do some ad hoc jobs for our organization. Our SF have lots of customization, and integration with Marketo, Genband and another internal system. We also have a web application form. We foresee some changes and enhancements in near future. Work hours may vary based on job. Candidates need at least 2 years work experience in these areas. You can be in Canada or outside Canada. Please send resume and expected hourly rate (USD).