SEO for I.T. company based website

Hi, I own a website with the URL [login to view URL] I want to get SEO optimization for this website with the results as top 3 on 1st page of google.com. Following are the keywords which I want to target:- 1.) mobile application development 2.) mobile app development 3.) Android application development 4.) iphone application development 5.) software development Time Frame: Less than 3 months (ASAP) Bid Price: Less than USD 300 Payment Rules: 1.) I will create milestone upon discussion with the final contractor for this job. 2.) No milestone would be released until i see the results. 3.) When the results show up under top 3 results on [login to view URL], I will consider the job as done and would then release the funds. 4.) If the contractor is unsuccessful to get the above results, no payment would be released to him/her. Bid only if you are very confident about the results as there is a penalty for not showing the results. Happy Bidding :)