SEO content writer

Hi, we are looking for writers to help us with SEO content writing for our web site. We provide a list which has several hundreds of keywords.
The keywords are very simple and general term, and you can choose a keyword from the list and make an article about the keyword.
You need to have strong knowledge on SEO content writing and fluent written English. Grammar, spelling and good content structure are all very important and necessary for the right person.
Must be able to 30+ articles per month. Expected to work for a salary of 250 USD per month.
Thank you and look forward to hearing from you.