Need Node js developer for e-commerce startup

Need a backend developer to join the existing team to implement the backend for e-commerce multi vendor shopping app(like Amazon). Work has already been started, so we are looking for the developer who can start the work immediately to join the existing team to work on remaining features.

- Developer must have e-commerce platform, Mongo DB, Express experience.
- Desired experience on payments gateway integration, Chat functionality, Coupon management, Daily checkin model
- Good to have React native knowledge, but not desired.