Shopify/Web Developer

We are looking for a highly technical Shopify Developer with strong experience in custom checkout/cart logic and advanced tracking implementation across Meta Pixel, Conversion API, and GA4. Project Overview We need a solution that allows us to offer free gifts, bundles, bonus items, or promotional add-ons to customers without those free items being treated as separate products inside Shopify checkout data, order data, or tracking events. Current Issue Shopify and Meta tracking currently count free items as additional purchased products. This is causing: Inaccurate Meta Pixel purchase events Distorted ROAS and ad attribution Incorrect product counts and AOV reporting Broken event data across Meta, GA4, and other analytics platforms Duplicate or inflated conversion tracking We need someone who understands both Shopify development and performance marketing tracking at a deep technical level. Required Skills Advanced Shopify development experience Custom cart and checkout logic Shopify Scripts / Functions experience preferred Meta Pixel + Conversion API implementation GA4 ecommerce event tracking Understanding of Shopify order structure and line item behavior Experience fixing duplicate tracking and attribution issues Knowledge of server-side tracking and event deduplication Clean, scalable, production-level coding practices What We Need Audit current Shopify + tracking setup Identify why free items are being passed into tracking events Implement a clean solution that preserves accurate purchase data Ensure Meta and GA4 report only the intended products and values Maintain compatibility with Shopify checkout and existing apps where possible Ideal Candidate You should be comfortable working across: Shopify frontend/backend logic Tracking architecture Data attribution Conversion optimization Pixel debugging Ecommerce analytics To confirm you actually read this post, reply with: CHECKOUT Manual responses only. Automated applications will be ignored.