WP Template Migration / Bug Fixes

We are looking for an expert WP developer, who can seamlessly migrate from one template to Generatepress. The website is complex [login to view URL], with multiple languages. We also need to fix bugs and errors and to speed up the current site. Please note that you will need to do a full backup. We also need the layout change. Please send us your quote, time needed, and your level of expertise. Please not that we are only looking for PRO developers. Thank you Please see the full details below: 1. You will need to restore our back up and to install it on your web dev server 2. You will need to provide the access to dev environment 3. You will need to make sure that the copy of the site is not indexable 4. You will need to install the new template Generatepress 5. You will need to adjust the layout to grid ( sample layout is here [login to view URL] ) 6. You will need to test all the functionality and fix any issues 7. You will need to make sure that any page on the site loads under 2 seconds 8. Currently website is using several caching plugins which is making very difficult to update the site, if the website can work fast without them, you will need to disable them 9. The website is multilingual, so you will need to make sure that all languages are working fine 10. You will need to keep the same URL structure (critical) 11. You will need to generate the xml sitemap 12. Your will to update the WP version and all active plugins 13. Once all work completed you will need to migrate to the live environment 14. You will to test the live environment and to fix any bugs or issues Please do let me know if you are happy to do all those points, how much it will cost and how long it will take. Thank you