For 4 years, I have worked with MERN stack. https://www.modusclosing.com/landing (React + Python) https://beta.arttracks.com (React + Python) https://sendmeatrainer.com (React + Node) https://smartprogress.do (React + Node) http://www.mansionglobal.com (React + Node) https://react-coach-app.herokuapp.com (MERN) https://dev.cliquelabs.com (MERN)