Need a backend developer for e-commerce website

We are looking for an experienced backend developer to complete the following tasks:
1. CMS Strapi Integration of 20 pages
2. Payment Gateway Integration
3. Shipping & Billing functionality
4. Currency Converter
5. Sign Up Flow
6. Sign In
7. Forgot/Reset Password
8. Customer Profile Creation, Email/Phone No verification, Order History, Wishlist, Cart, Add/Remove Address, Download Invoice
9. Add/Remove SKUs
10. Coupon & Discount
11. Newsletter Sign Up
12. Replacement, Cancel Order Process, Error Message, Fine, Refund Policy