full stack web developer to support iterations of our web application

We are looking for a Full Stack Web Developer to join our startup on a freelance / contract basis to support some iterations of our web application, oroginally made by a professional software development company.
Ideally, we would like you to have the following stack:
Frontend:
Frontend client:
● Typescript
● React
● Redux Toolkit & RTK query - https://redux-toolkit.js.org/
● Next js - https://nextjs.org/
Optional
● Chakra ui - https://chakra-ui.com/
● Feature sliced design - https://feature-sliced.design/
Frontend admin
● Typescript
● React
● React admin - https://marmelab.com/react-admin/
Backend:
Node.js Language
TypeScript Framework
NestJS ORM Objection.js + Knex
Payment system: Stripe
Deploy: AWS
Additionally: i18n, Sendgrid, Google Places
Database: PostgreSQL
Experience in Mobile Applications and Web Applications development