Convertir una plantilla de una web

We need a programmer who implement some improvements in our prestashop layout, like: A floating menu acord to the design. A responsive improvements like sliders fit to media screens... Some settings more in the theme, like improvements on category and subcategory and product, pages. They are improvements like ocult some images, fit some dimensions of another, etc. I think it will be about 5-6 hours of full work, but we need it finished tomorrow, monday, so we need to be today in constant comunication to make the job good.