I need magento developer

Need Magento developer which has enough experience to manage issues and AMC for Mumbai Nariman Point location. Website is [login to view URL] SOW as below. 1. Errors and Bugs rectification. (minor errors can be resolved less than 1hr job) 2. Maintaining the technical hygiene of the site including speed optimization. 3. Server and security maintenance [login to view URL] server maintenance [login to view URL] services and SSL 4. Issues related to downtime, load time and standard monthly optimization. (repetitive) 5. Immediate response in case website / software does not load or is non-working 6. Updating of scripts and code when new browser versions are released. 7. Immediate response to client’s queries and complaints 8. API version upgradation for third parties API 9. Server upgradation. (if required) 10. Development platform up gradation 11. Online training and help as and when required (maximum 6 times per year). (OK) 12. Search engine optimization 13. Website Content/Images/Promo Code/ Coupon Code Management 14. Website/server Backup and Downloadable Link/ Backup restore maintenance 15. Magento Security Patches/Magento Version Upgrade/ Magento Extension Implementation 16. Clearing Logs and Junk files 17. Image Optimization 18. Fixing CSS Coding 19. 404 Error Fixing 20. Payment Gateway update 21. Shipping Methods review Also looking for quick support via Phone/Email/Whatsapp