Modern POS Invoice Redesign

We have a POS website built in PHP that generates invoices/bills in HTML format via API. Currently, the invoice is working, but the design/layout needs to be changed.

Task:

Take the existing invoice/bill HTML (fetched from API)

Redesign the layout with a modern, clean, and professional look

Make it print-ready (A4 and/or thermal receipt size)

Ensure compatibility with current PHP system (no breaking API/backend)

Add support for branding (logo, colors, fonts)

Optimize for PDF export & printer formats

Requirements:

Strong skills in PHP, HTML, CSS

Experience with print-ready invoice/receipt design

Ability to work with existing API responses and adapt design

Knowledge of thermal printer formats (80mm/58mm) is a plus

What We Provide:

Current invoice HTML (API response/sample)

Branding details (logo, colors, fonts)

Reference design if required

We are looking for someone who can quickly redesign the invoice HTML without affecting the existing PHP functionality.