Migrate website to Magento and integrate dropshipping API

Looking for a developer to migrate an existing website from Opencart over to latest Magento version. You will be responsible for the below - Set up Magento website and create a custom design to fit our product offering. Can use existing website design but we'd like a much more up to date design. - Migrate all products (around 3000) over from Opencart into the Magento system - Migrate all customer data over from Opencart into Magento - Develop a mobile friendly site to run along side main site - Integrate with a suppliers API in ordr to offer drop shipments on their products and automatically send orders for those products back to the supplier so they can fulfil. - Optimise the website in terms of SEO - Fully test and ensure website runs quickly on our servers - Integrate with 2 payment processors - Realex and Paypal - As it's a apparel website, we need integration of size guides etc. - Set up all required pages, about us, privacy policy, terms and conditions, contact us, delivery information. Everything which is require for us to be a compliant e-commerce site. - Set up Amazon/eBay integration so we can list items directly from our admin area. - Set up templates for all documentation, shipping notes/invoices etc. Payment will only be made upon project completion, and a 20% balance will be held for 4 weeks after project completion in case any issues arise.