Virtual Assistance Good at writing optimized SEO Blogs & Product reviews

Hi,
I am looking for a Virtual Assistance who is good at writing optimized SEO blogs & product reviews. Here are what I am looking for:
1. Candidate have to be knowledgeable writing SEO related blogs.
2. Candidate have to be knowledgeable writing blogs about internet marketing, online business, affiliate marketing, e-commerce etc.
3. Candidate should be able to write Product Review for pre-launched related products. (Example will be provided).
4. Candidate should be knowledgeable about WordPress – blogging platform.

Expected Tasks per week:
a. 5 blogs per week. 3 blogs will marketing related subjects, 2 blogs will be product review related blog. Link will be provided for the product review blogs.

While applying please include your previous work or portfolio so I can review them. And also mention your hourly wage or monthly desired salary for the job.
Thank you.
Mohammed