I need a React + Material UI expert for long term

-Javascript/Typescript
-React
-Materials UI
-calendar UI (MobiScroll, or other libraries)
-customize complex libraries
Third Party Integration
-OAuth (Google, Microsoft, Apple)
-Calendar (Google, Microsoft Outlook, Apple)

NICE TO HAVE
-iOS Swift
-Android Java

Our Team Values
-Good problem-solving
-Strong work ethics
-Good communication skills
-Good Teamwork skills
-Detail-oriented
-Willingness to learn

The current features that we want to develop are:
-Calendar library customization

Future opportunity:
On-going, long-term development development