Tech Holding

Senior Shopify Integration Engineer – Contract

Tech Holding

contract

Posted on:

Location Type: Remote

Location: India

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Job Level

Senior

Tech Stack

JavaScriptReact

About the role

  • Lead the integration of a standalone React application into the Shopify Liquid framework, ensuring smooth communication between the two environments.
  • Implement secure logic to calculate real-time product pricing based on 2D customization selections.
  • Configure the "Add to Cart" flow to capture custom design metadata and a dynamically generated 2D thumbnail of the user’s creation.
  • Build or configure a backend service to dispatch detailed design briefs and high-resolution assets to the production team.
  • Ensure the iframe implementation is responsive and optimized for mobile.

Requirements

  • Extensive experience with Shopify Plus, Custom Apps, and the Storefront/Admin APIs.
  • Strong proficiency in React.js and experience with CSS-in-JS or Tailwind for maintaining visual consistency.
  • Expert knowledge of the postMessage API to sync the customizer state with the Shopify parent theme.
  • Familiarity with handling dynamic image compositions, canvas exports, or 2D layering logic to generate design previews.
  • Ability to modify existing Shopify themes to accommodate the customizer embed without breaking site-wide styles.
  • Deep understanding of HMAC validation and secure API proxying to protect custom pricing logic.
  • Previous experience in luxury e-commerce or high-ticket "made-to-order" retail.
  • Experience with Klaviyo or Orderly for triggering asset-rich transactional emails.
Benefits
  • Equal Opportunity Employer
  • Committed to fostering a diverse and inclusive workplace
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
React.jsShopify PlusCustom AppsStorefront APIAdmin APICSS-in-JSTailwindpostMessage APIHMAC validationAPI proxying