Shopify print on demand social poster maker -- 3

I am looking for a freelancer to help me create a Shopify print on demand social poster maker.

Posters:
- I want to create user custom designed posters

Design Ideas:
- I have a clear vision for the design and a specific website reference
The design engine MUST correspond with this design.
https://instawall.nl/products/instawall-aluminium-square?variant=40242065637421

Features:
- The poster maker should have customizable fonts and colors
- The poster maker should have customizable sizes and backgrounds


Ideal Skills and Experience:
- Experience with Shopify
- Graphic design skills
- Proficiency in coding and web development
- Knowledge of print on demand platforms
- Strong attention to detail and creativity

*****Apply only if you can provide relevant work examples *****