Diabetes Run Website SEO Optimisation 3 months

The website will be developed by us. The domain is registered in Singapore. Our plan is to use this website as a source of information to generate interest for a charity run. In this site, they can get information about the run also donate online. I need someone who is competent is SEO optimisation to use the appropriate keyword analysis and get ranking of site in the first page of search engines. Must also be able use of social media plug-ins effectively