(PAID Test) Senior Full-Stack Developer - AI Business Automation

Paid test project - $200, 2 days
I need a working demo.

PROJECT: Receipt AI Extraction Demo
FEATURES:
1. Upload page (mobile-friendly - construction workers use phones)
2. User uploads photo/PDF of receipt/invoice
3. AI extracts key data: - Vendor name - Amount - Date
4. Display extracted data in clean, readable format
5. Deploy live

DELIVERABLES:
- Working demo (I'll test it on my phone)
- Mobile-responsive design
- GitHub repo (I need to see your commits over 2 days)
- Live URL I can share with clients
- Brief README with setup instructions

REQUIREMENTS:
- Use Claude API or OpenAI API for extraction
- Clean, professional UI (this is a sales demo)
- Actually works on mobile devices
- Your choice of tech stack (but must be maintainable)
PAYMENT: $200 via Freelancer upon delivery

TIMELINE: Start immediately, deliver in 48 hours

COMMUNICATION: Written only (Freelancer chat) - tests our async workflow

Can you start RIGHT NOW and deliver in 48 hours?