Payment Integration developer - shopify, woocommorce and custom

## Payment Integration Developer — WooCommerce, Shopify & Custom Websites We’re a payment processing company looking for a reliable developer to handle **merchant payment integrations** on an ongoing basis. Our payment infrastructure is already built. We need someone who can take newly approved merchants from **integration to live processing**. ### What you'll do * Install and configure our existing WooCommerce payment plugin * Set up Shopify hosted checkout integrations * Integrate payments into custom websites * Work with existing payment APIs, webhooks and credentials * Test card payments and order flows * Troubleshoot checkout/integration issues * Help merchants get live and processing ### Skills we're looking for * WooCommerce / WordPress * Shopify * PHP * JavaScript * REST APIs * Webhooks * Payment gateway integration experience You **do not need to build a payment gateway from scratch**. Existing plugins, infrastructure and integration documentation will be provided. This will be **ongoing work** as we onboard new merchants. ### First task We'll provide our existing payment plugin and access to one of our own WooCommerce stores. Your first task will be to install and configure the integration, test the complete payment flow and make sure everything is working correctly. We're specifically looking for **payment integration experience**, not general website design.