ReactJS Code Review and Bug Fix

We are developing a site for connecting Blue Collar Workers with Employers. The website is developed with ReactJS with NodeJs on the backend. We are looking for Consultants for supporting the ReactJs developer with code review, bug fixes and improvement of performance. The person should have at-least 3 years of experience in ReactJs. The consultant should be good in Designing concepts, should be able to advice for the changes for better customer engagement.