Need SEO, SMM, and SEM for a phone application with associated website.

A Search Engine Optimization (SEO) Specialist to analyze, review and implement changes to website so it is optimized for search engines. This means maximizing the traffic to a site by improving page rank within search engines. Duties as SEM include creating strategies with prominent search engines, developing and testing new keywords. Finally as SMM create and maintain new marketing campaigns, brand promotions, monitor progress using web analytic tools, and answer directly to social media inquiries, all while using the company's voice and guidelines.