A MERN stack web service that sends group emails to collect feedback from users
• Built an asynchronous server with Express on Node.js, designed RESTful API to handle HTTP requests, providing a fast responsive and middleware friendly back-end environment. • Use SendGrid API to send group emails • Integrated Google OAuth and Passport.js for user authentication • Implemented credit card billing functionality with Stripe API. • Built a React based front-end and applied Redux for state management, utilized middleware like Redux-form and Redux-thunk to support email creation and real-time email validation.