Exerienced Magento developer required.

*** Exerienced Magento developer required, based in the UK or offshore agency/company with a pool of developers. ***

Preferably magento certified. (but not essential)
Available within 2 weeks to start the project.

I require someone who is a Magento specialist who has over 5 years experience building Magento website.
Must be advanced level in html, CSS, PHP, Javascript and Ajax.
Must be able to setup a dedicated server environment or cloud hosting and optimise, tune Magento for speed and performance.
Must be a good communicator and be contactable throughout the project.
The project is a jewellery ecommerce website.
Designs will be provided in pdf format with Brand guidelines.
All images, photography and icongraphy will be provided. Logo also provided.
Business will be a jewellery website with a dyanamic, custom product page exactly like this example.
https://www.77diamonds.com/engagement-rings/diamond-band
When choosing the metal and color, the description text changes dynamically.
Ring data is provided in csv file which is pulled from another server on a weekly basis.
Price data in CSV file is in US$ so will need converting to pounds using a live currency converter extension

Integration with Google merchant centre for google shopping.
Need advice on hosting and Magento commerce version to use.
Also looking for ongoing support and maintenance for a year.