Development and improvement Drupal website

Our business does about e-learning of the languages. We will have thousands of teacher and students each with own language. The website would be integrate with Skype or with a custom conference system and a whiteboard system. Our site would be similar at [login to view URL] or [login to view URL] with others customized functions. I have developed some functions already, contact me for details. We are looking of a drupal 7 developer with a strong confidence about this kind of website, that can implement all the functions of the cited website ([login to view URL] and [login to view URL]) plus other customized functions. The ideal candidate is a drupal expert with high skills and the ability to understand the needs of the client. I have the psd template already, it is only to convert in drupal template. Job Description: Your responsibilities: - Review business requirements working with other team members - Perform a technical analysis of requirements - Produce a solid, detailed technical design - Write clean, modular, robust code to implement the desired requirements with little or no supervision - Work with the QA and Customer Support teams to triage and fix bugs with rapid turnaround - Contribute ideas for making the application better and easier to use Your qualifications: - Programming language(s): Drupal - Additional Skill(s): HTML, CSS, PHP, JavaScript - A work style that is extremely detail oriented - Strong communication skills - A complete Elance profile - References or an established reputation on Freelancer preferred