FunnelKit & Gestpay Integration

I'm looking for an experienced developer to integrate Gestpay with FunnelKit for WooCommerce post-purchase upsells. Currently, we're encountering an "Upsell Skipped: No Supported Gateway" error.

Key Tasks:
- Integrate Gestpay with FunnelKit to enable one-click upsells.
- Maintain all critical features of Gestpay during integration.
- Ensure a seamless user experience with secure payment processing.

Requirements:
- Expertise in FunnelKit/WooFunnels
- Strong WooCommerce and WordPress knowledge
- Proficient in PHP
- Experience with Gestpay integration

Important Notes:
- No budget negotiation
- Fast turnaround needed; no lengthy discovery calls
- Do not apply if unfamiliar with FunnelKit