[3 day turnaround needed] need a small android and ios app built using react native and react native paper

this is an urgent project that must be completed in 3 days. I need an app built for an internal company event. Participants will score points by scanning various QR codes. Must be compatible with all new versions of android and ios.

To be delivered:
All source code
APK file for android and IPA file for iOS

Frontend:
Must use typescript, react native, and react native paper to build it
Figma mockup here: https://www.figma.com/proto/sZMhGsuyJG80WAfkfb26I9/Summit?type=design&node-id=201-650&t=iPIy0xp2cuVy1Hwd-1&scaling=min-zoom&page-id=11%3A10118&mode=design

2 screens needed:
A login page with a button that lets you scan a QR code.
Clicking the camera shutter takes you to the home page.
A home page with leaderboard and
Navigation bar at the bottom
Scanning a QR code should create a new row under the actions table with points and user associated.

Backend:
Must use typescript, nestjs, postgres to build this
Endpoints needed:
Fetch the leaderboard
Fetch my points
Post a completed action to the server
Login and session handling


Database:

Table name: Users
Columns:
id (int)
qrcode_serial (string) //used for logging in
first_name (string)
last_name (string)

Table name: Actions
Columns:
id (int)
name (string)
points (int)
qrcode_serial (string)
user_id (int)

Config files:
A yml file containing a list of actions. Each action should include:
Name // name of the action
Points // how many points doing this action will score
Qrcode_serial // the qr code serial number associated with the action