WordPress + WooCommerce expert

We are looking for a WordPress + WooCommerce expert to collaborate in several projects. We are looking for a long term collaboration. We need to work in new projects and also in already existing project where we need to make changes, solve errors, etc. Will be projects that we will manage by hours, becasue are puntual issues and other that we can manage with a budget for the whole project. We need a freelance to work with us any time of the day and with a high level knowledge in Wordpress, WooCommerce, Theme setting up, PHP, MySQL, etc.