All you have to do is validate the email address. If duplicate throw and error. if not allow sign up.
20 freelancers are bidding on average $151 for this job
Hello there. MERN Stack developer HERE. I can complete your project in 2 hours or less. Please feel free to contact me so we can start right now. Regards. Jered.
Hello, I am an web developer in Cambodia. I have 4+ years of experience in React js. I have a confidence in this project. I will look forward to hearing from you. Thanks. Doan
Hi, I am already working in the above technologies (mongo , React , Node, Express). Feel free to assign the task to me and be assuered of quality work on time