Fix and Complete Partially Built Logistics/Inventory App

I am looking for an experienced app developer to help finish and improve my app, Next Logistics.

The app is already partially built using Rork and is close to what I need, but there are a few important features that need to be fixed and completed.

About the app:

Next Logistics is made for construction/logistics businesses. It helps organise products, suppliers, prices, quantities, stock, and material requests.

The main idea is that builders and site workers can request materials through the app, and office staff can review, manage, approve, or organise those requests.

Main work needed:

Improve AI spreadsheet/product extraction accuracy

The app currently uses AI to identify product information from spreadsheets and documents, but it is not accurate enough.

It needs to reliably identify information such as:

Product names
Prices
Suppliers
Quantities
SKUs/product codes
Units
Totals
Other important product/order details

The AI does not need to be blindly trusted. I want the system to include proper validation checks for things like missing products, incorrect prices, duplicate rows, wrong quantities, and totals that do not match.

The goal is to make the AI extraction as accurate and reliable as possible before any data is saved.

Make builder-to-office requests work properly

Builders/site workers need to be able to send material or product requests through the app.

Office staff should be able to:

View requests
Edit requests
Approve or reject requests
Organise requested products
Track what has been requested

This request system needs to work smoothly and be easy for non-technical users.

Connect the app with Microsoft Excel

The app needs to connect directly with Microsoft Excel / OneDrive / SharePoint.

Users should not have to manually download Excel sheets and reupload them into the app. They should be able to connect their Excel files directly, and the app should be able to read selected spreadsheets from there.

Fix and clean up the existing Rork app

The app is already partially created, so I am not looking to start completely from scratch unless absolutely necessary.

I need someone who can review the current app, fix what is broken, improve the existing features, and complete the missing parts.

Skills needed:

App development
Experience fixing partially built apps
Rork or no-code/AI-built app experience would be helpful
Database experience
AI data extraction
Spreadsheet parsing
Microsoft Excel / OneDrive / SharePoint integration
Microsoft Graph API experience
Inventory, logistics, or construction app experience would be a bonus

Please only apply if you are confident working with an already partially built app and improving it properly.

When applying, please mention any experience you have with Excel integrations, AI spreadsheet/document extraction, inventory systems, logistics apps, or request/approval workflows.