Shopify expert for management and administration of site

I need a shopify expert - I have completed the shopify site and the content is currently being written.

I need an expert in shopify who has experience in managing the shopify site for the day to day running, planning, loading of information and content, pictures and products , catagorising the products and management and admin of the site. You must have experience in adding and knowing the essential plugins , adding stripe etc to ensure that the site is fully functional and ready to be launched at the end of April 23. You must be familiar with sales.