Full-stack engineer needed for Simple Appointment Booking System with Google Calendar

I need a small and easy-to-use booking system where customers can manage their appointments effortlessly.

The system should allow users to:

Sign up, log in, and reset their password via email (new password sent automatically).

View available appointment slots.

Book and reschedule appointments.

See all their upcoming appointments.

Receive email notifications (WhatsApp optional).

All confirmed bookings should automatically sync with my Google Calendar using the Google Calendar API.

Tech Stack:

Backend:

Node/NestJS

Frontend:

Database:

SQLite or MongoDB (your preferred)

Calendar Integration:

Google Calendar API

Contract duration of less than 1 month.

Mandatory skills:

JavaScript, API, nextjs, nustjs, , React, PostgreSQL