Hey,
As per your need, I will build Category creation and product addition service For Opencart. I have experienced in php , wordpresss, cms and magento , mysql , and also have expertise in application too. I am the following skills like HTML5 , CSS3, javascript , jquery, ajax, json , all framework of php , wordpresss cms and magento , mysql
We can discuss anytime regarding the issues if you might face.I believe in long-term relationship and i will provide you the good support after the app developed and published over the store.
Please share the project details so we can discuss further and start working together.
I look forward to hearing from you soon.
Thanks
Regards
Nikita