Content Writer is needed!

Hello, we need content writer from USA(native US speaker will have big preferences) to revise texts on our website. Candidates must be familiar with quite specific technical knowledges as well. website is here [login to view URL] , mostly main page, product pages, and some others, pages are usually templated so information is repeating from time to time. We need writer to create more descriptive and still call to action texts(a goal is Download and then Purchase). Candidate have to know something about articles submission and SEO in general to meet most popular search engine rules, we can name keywords for pages to fit with texts, but mostly they are reflected in page links. <[login to view URL]> Currently it is about 20 pages to be done, and I will have more(12+) coming soon for this website , and maybe then one more another. so it might be more work soon.