Hey there, I have 4 years of working experience in web technologies and I have a strong working knowledge of every possible framework which is in the market.
In terms of client-end I know: BigCommerce
Also I have doneLisää
Experienced Bigcommerce Pro Here
We have done countless heavy integration with ERPs including frontend. Honestly, I possess all the skills and experience that you're looking for. I'm pretty confident that I am the beLisää