Hi
I read about your project"I would like to change the colors minimum 50 of the product in the pictures with high resolution images for uploading in eCommerce websites."
and I am having experience in graphic designing, Photoshop, Photo editing, Illustrator, photoshop designing .
I am ready to start now.
You can see an example of one of some projects in my portfolio here:
https://www.freelancer.com/u/Vipula1994
I'm interested to hear more about the project.
If you award me the project I'd be very happy to discuss this further and get started for you as soon as possible.
Thanks!