Amazon PPC Sales Boost

My primary objective is straightforward: I want my Amazon advertising spend to translate into noticeably higher sales. I need a seasoned PPC manager who knows Seller Central inside-out and can take full ownership of campaign strategy, execution, and ongoing optimization... (Budget: £20 - £250 GBP, Jobs: A/B Testing, Data Analysis, Digital Marketing, Google Adwords, Internet Marketing, Keyword Research, Search Engine Marketing, SEO)