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Tech Holding logo
Tech Holding

Think big, Start small, Scale fast!!!

Senior Shopify Integration Engineer – React, Customizer

EcommerceEcommerceContractRemoteSeniorTeam 51-200H1B No SponsorCompany SiteLinkedIn

Location

Mexico

Posted

124 days ago

Salary

0

Seniority

Senior

5 yrs expEnglishJavaScriptReact

Job Description

Senior Shopify Integration Engineer – React, Customizer

Tech Holding

• Lead the integration of a standalone React-based product customizer into a Shopify Plus storefront (via iframe or app integration) • Design and implement secure cross-application data exchange between the custom app and Shopify (e.g., postMessage, iframe communication, APIs) • Build dynamic pricing logic based on user customization inputs (materials, placements, add-ons, etc.) • Capture and persist customization data through the Shopify cart and checkout using line-item properties • Implement “Add to Cart” flows that include custom metadata and generated product previews • Configure backend workflows using Shopify Webhooks to trigger internal processes, notifications, and email-based workflows (e.g., order events, production handoff) • Ensure high performance and responsiveness across desktop and mobile environments • Collaborate with frontend, backend, and product teams to ensure a seamless user experience

Job Requirements

  • 5+ years of experience with Shopify development, including Shopify Plus
  • Strong experience integrating custom applications into Shopify storefronts (not just theme development)
  • Proficiency in React.js and modern frontend development
  • Experience with Shopify Storefront API, Admin API, and custom apps
  • Hands-on experience implementing cross-application communication (e.g., postMessage, iframe integrations, APIs)
  • Experience working with Shopify cart and checkout flows, including line-item properties
  • Strong understanding of JavaScript, web security, and cross-origin communication
  • Experience troubleshooting complex frontend/backend integration issues

Benefits

  • Equal Opportunity Employer
  • Commitment to fostering a diverse and inclusive workplace
  • Applicants welcome from all backgrounds and experiences

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