Fix 4-5 small Bugs in [login to view URL] + redis and express + mongo.
Add "push notifications" for actions and groups using both [login to view URL] and FCM (firebase cloud messaging).
Budget fixed at $50. Individual freelancers only. send github/bitbucket url for faster reply.
I am a Java king and got expertise with JAVA/JS(Angular,React,Node,Express)/Struts and related technologies. Have got good 7 years of experience in doing this.