Search and filter module for java script / node js app

I have a website and web app with backend in node js and javascript
The app part is made up of an admin panel and Registration forms for two types of users that is Including a slandered sign in. With email and phone verification
Using fire base and nexmo
In order to save in cost we need a search and filter module In react native as a mobile app directly using database and back end that are already done
I need some one who is talented in this module in particular In 2-3 weeks this module should be finished so we can move in to another