Looking for Native English Speaker for Content Writer Position (Part Time Job)

I'm looking for a content writer (native english speaker) for a long term position. The position is part time (4hs per day, from Monday to Friday) and the salary is $150. If you're good at this job you’ll move to full time in the near future.

JOB DESCRIPTION
You'll be in charge of writing content for several niche websites on very different topics. Basically you'll be writing articles between 350-650 words long for these sites, and occasionally product reviews.

REQUIREMENTS
-Have good research skills
-Excellent English writing skills, with correct spelling and good grammar
-Be able to write unique, helpful and well researched articles
-Each article must be 100% unique; they will be checked for plagiarism and duplicates on the Internet, so please apply only if you're able to produce unique content
-Be fast, so you can provide several articles per day
-Have some basic knowledge of SEO
-Know how to write compelling titles

PLUS
-Be familiar with article spinning software, like The Best Spinner
-Be familiar with Wordpress
-Have basic photo editing skills to include pictures in the articles

When applying please submit:
-Your full CV
-Examples of your work (if you also have written product reviews, please provide any)
-Also, tell me how many articles you think you can write per day.

Note: when submitting your application, write "niche content writer" in the subject line