WooCommerce + React + Golang expert to Fix Broken Discount / Coupon Code Feature

We have a WooCommerce-based e-commerce site hosted on SiteGround where our discount and coupon code feature is broken. We need an experienced developer to diagnose and fix the issue quickly and cleanly. What we need: - Investigate why discount/coupon codes are not applying correctly at checkout - Identify whether the issue lies in WooCommerce settings, PHP, the React frontend, or the Golang backend - Implement a clean, tested fix without breaking existing functionality - Provide a brief summary of what was wrong and what was changed Tech stack: - WooCommerce (WordPress) - React (frontend) - Golang (backend/API) - Hosting: SiteGround Requirements: - Proven experience with WooCommerce internals and coupon/discount logic - Comfortable working with a React frontend and Go backend - Familiarity with SiteGround hosting environment (caching, server settings) - Strong communication and ability to work independently - Please share relevant past work or examples in your proposal Budget: This is a small, well-scoped task with a limited budget (under $100). We warmly welcome early-career developers looking to build their portfolio and developers from any region — your skills matter more than your location. To apply, briefly describe a similar WooCommerce issue you've resolved and your approach to diagnosing this type of problem.