Power Apps Inventory Fix Needed

I need an experienced Power Apps developer to fix an inventory stores app.

Key Issues:
- Data not syncing with Excel sheet
- Barcode scanner issue: scanned data not appearing in the app

Additionally, I need advice on necessary licenses for rollout and a quick turnaround.

Ideal Skills and Experience:
- Expertise in Power Apps and Excel integration
- Experience troubleshooting barcode scanner issues
- Knowledgeable about Power Apps licensing

Please provide a timeline and cost estimate.