Hello, I have successful launched some e-commerce website let user change the product color, size, integrate payment online, orders management, shipping managements, I will divide the website by many tasks and group some tasks into one sprint, your website will be divide into 4 sprints, each sprints has some features. each sprints will be tested, and release for you to get the feedback from you, after 4 sprints your website will be free bugs, after your website public I will maintenance for you one year, I am looking forward to hear from you. Regards, Tan