Hey!
My name is Artem, Im from Russia (Moscow). Nice to meet you.
Studied your offer.
Portfolio - https://www.freelancer.com/u/ArtemGB (This is not all the work, if you are interested in some specific topic - you can ask me personally)
Im Open Cart developer (experience more than 5+ years). I engaged both in completions of the existing websites, and development from scratch. If the project is large or you need to do it as quickly as possible, then connect the development partners.
I try to carry out projects in time and I am always online.
Let me know if my offer is interesting to you.
P.S. I always read the task before responding.