Articles Needed- Native Speakers

We would like to have around 20-40 articles of high quality technical writing/re-writing to promote our services and articles/press releases about our services. Elegant language is required, so only native speakers need to bid here: Topics will be: 1. Web Development 2. Software Development 3. Online Applications 4. Dynamic Websites 5. CMS ( content management system ) 6. Database Development 7. Online Marketing Each article will have ( 380-500 ) words. We will also provide some links for articles in same topics to be used in re-writing. All results should pass the test of duplication to look original. We need 1-2 articles urgently, and we can have the rest within the time frame of 2 weeks. PLEASE DO NOT APPLY IF YOU DON'T HAVE THE EXPERIENCE IN WRITING FOR THE ABOVE TOPICS, OR YOU ARE NOT ENGLISH NATIVE SPEAKER 1.5$ per article of 380-500 words.