Website development upgrade

Looking for a team that can upgrade our website .
Upgrading Magento : We are looking for an outstanding Web Developer to be responsible To do fixing errors and some upgrades for the coding, innovative design, and layout of our website. Web developer responsibilities include building our website from concept all the way to completion from the bottom up, fashioning everything from the home page to site layout and function. We need reference work .
Creative, reliable, and responsive.