Experienced Blog Writer

I'm looking for an experienced blog writer. Your job would be to write engaging, shareable and SEO friendly, 1000 to 2000-word blog articles on:
1) Business Intelligence
2) Analytics
3) Data Visualization
4) Data Management
5) Big Data
6) Dashboards and Reporting
7) Data Mining

Required about 2-4 articles per month. Primarily How-To Posts, Industry related posts, List-Based Posts.

Target audience B2B mid-level employees working with data on a daily basis. The main points in all posts have to be related to industry or our product. The product is Cloud based Business Intelligence reporting, charting and dashboarding tool. Similar tools are http://www.tableau.com/, http://www.qlik.com/products/qlikview or MS Excel Pivot Tables and Charts.

-Writing style and structure-
Each post should be valuable, offer new insights, solutions or methods.
Short, simple sentences. Short paragraphs. Each sentence leading to a point. Every paragraph/section making a point. Telling relevant stories that explain or lead to a point. Using examples, case studies, exact facts and numbers. Every fact or claim is backed up with a link to a source and/or an example.

-Required Skills-
Research - you should be able to perform thorough research on a given keyword. Analyze competing articles, most shared articles, history, facts, trends, problems, solutions etc.
Writing - you should have experience or a gift, or both.

-Communication-
I expect frequent questions, especially in the beginning, to understand requirements, style, and direction.
We can communicate trough skype or email.

-Trial-
I will work with 2-3 best applicants on a trial basis for a week. I will pay 50$ for a completed 1000+ article. Articles must comply with above requirements. I will select one applicant to work on a regular basis. You can have other jobs as well.

-Salary-
I'll pay via PayPal for each submitted article. No pre-payments. If you write four 2000+ articles per month, I'll pay you up to 400$+ per month.

-Prerequisites-
To apply for this position, please send me at least 3 articles you've written in the past year. Preferably for B2B markets, industrial or technical topics.
Please, send your application to janis.gulbis@gmail.com.