WordPress Custom Checkout Plugin Development

I'm looking for a skilled developer to create a WordPress plugin similar to CartFlows Pro, focusing specifically on a custom checkout flow.

Requirements:
- Develop a custom checkout flow plugin for WordPress
- Flexibility in design and user interface

Ideal Skills:
- Expertise in WordPress plugin development
- Experience with custom checkout solutions
- Familiarity with WooCommerce and WordPress architecture
- Strong PHP, JavaScript, and WordPress hooks knowledge

Please share relevant portfolio work and estimated timelines.