High Volume E-commerce focused Google Analytics Expert

General information for the business: E-Commerce Description of analysis: Looking for a google analytics whizz who can create a full funnel to monitor New, Returning and Logged in user flow, conversion rate, bounce rate and exit rate by page - excluding referring payment gateways to ensure Raw data is accurate. (A regular issue we have with enhanced e-commerce integration with the e-commerce platform we're working with and PayPal, SagePay et al). Extra notes: Please provide legitimate examples of sites you've worked with - their rough sales volumes/traffic volumes and why you were engaged to provide the analytics service. (was it to support marketing activities, optimisation programmes, just to provide granular analytics to an under serviced business?) Also provide an outline of how you would implement GA to provide the data requested above.