Hi, Thanks for your job posting.
I've read your project description carefully.
You need API integration. going to synchronize the products inventory quantity and price from MySQL database with Newegg, Walmart, Amazon marketplaces.
As a senior web developer, I have rich experience in this kind of project.
I am sure I can handle this project as you expected.
If you have desire to work with me, please respond me to discuss more.
Thanks.