Changes in my wordpress eCommerce website

Some changes are to be made in my online eCommerce website. I require the services of an expert Wordpress Coder and designer having expert hands on mobile responsiveness. I would request all bidders to post real bids as no extra amount would be paid to the original bid. Kindly go through below tasks: 1) Website is responsive but some minor errors like some fields are moving away from the screen and so on. Responsiveness errors to be identified and rectified in a complete proffesional way. 2) Search engine optimisation and search tab to be corrected of errors. 3) Making registration , login forms and other pages free from errors if any. 4) Emails to be tested and all email notifications should be sent out in correct way. 5) Product filters to be added to products page. 6) Some minor changes in design. Payment Terms: Payment ( direct or milestones) will be created and released after project is completed and all features/design of the website are tested. If any of the tasks remain incomplete then payment will not be made. Also please bid if you are sure of completing the project in the given time.