Looking for senior backend engineer (node/express/api)

We are looking for senior backend engineer who will be in the charge of developing social media platform, focused on backend, collaborating with frontend developer, and needed to complete software until 21th March.
-proficiency in English communication
-Node/Express development experience
-MongoDB development experience
-Payment gateway
-Teamwork experience
-Responsibility

We can't waste our time with beginner or junior developer.
thanks.