I do have an experience of developing large applications using Node.js, Blockchain, Cryptocurrency, Reactjs, redux, REST API's building Twilio API's, AWS Cognito, AWS SNS, AWS SES, AWS EC2, PM2, observable, promise, socket ,MongoDB, PostgreSQL, MySQL and Git, bitbucket. Also, I do have an experience of using 3rd party APIs integration for facebook, twitter, LinkedIn and google plus. I have also the great experience building trading project for crypto.