Custom Case Tool for Open Cart Theme and Site

Hello, Im looking a php programmer expert to develope a Tools to Build Custom Case under Open Cart site. The tools must look like this: [login to view URL] I want exact tool for new site that i ll sell custom case printed. My sitel ll have this theme: [login to view URL] I ll provide theme and you ll develope the tool. The tools must save the edited images in real size ready for print. Tool must have all functions as example. After edit case tool must save the image in order details in Open Cart admin. The site ll have over 50 cases to pick up and start editing. I ll need all models size of the phone to save images as real size for print. The cases will be sublimate in 3D so of the size of the case you need extra milimeters for borders. I want a expert with previous experience with this kind of job. That full understand what i need. You also need be expert in Open Cart to process orders trough this tool. Save thumbnails for cart shopping and save images in real size for printing. If you have this skills and understand everything and think can develope similar or better please let me know. I ll pay in 3 times. 1 for start - other after check some updates and see if you really good and other payment after finish. Thanks for all.