Senior Shopify Full-Stack Engineer for DTC Stores

Paired; United States; Remote; USD 120,000 - 160,000; Full time

Job summary

Paired is seeking a Senior Shopify Full-Stack Developer to own the technical development and infrastructure behind our DTC e-commerce storefronts. This hands-on role spans storefronts, backend systems, and integrations.

You will build custom Shopify themes, apps, and middleware using Liquid, JavaScript/TypeScript, React, and Shopify APIs. The role emphasizes performance, reliability, and advanced CRO tooling with tests and deployments via GitHub workflows.

Qualifications

• 7+ years of professional software development with hands-on Shopify experience.
• Deep experience building and maintaining production Shopify stores and custom Shopify functionality.
• Strong experience with Shopify Liquid, JavaScript/TypeScript, Shopify APIs, and webhooks.
• Hands-on experience with Shopify Flow, Shopify Functions, custom Shopify apps, or Shopify middleware.
• Experience building integrations between Shopify and external systems using APIs, webhooks, and custom services.
• Experience working with 3PLs, warehouses, fulfillment systems, inventory synchronization.
• Experience with Shopify migrations, multi-warehouse environments, or complex order/fulfillment integrations is highly valuable.
• Strong backend development experience using Node.js and databases.

Responsibilities

• Own the development and technical maintenance of Shopify-based storefronts and supporting systems.
• Build and maintain custom Shopify themes and storefront functionality using Liquid, JavaScript/TypeScript, React, and Shopify APIs.
• Develop custom Shopify applications, middleware, services, and integrations when native Shopify functionality is insufficient.
• Determine when to use Shopify Flow, Shopify Functions, custom apps, APIs, webhooks, or external middleware to solve a business or technical problem.
• Build and maintain integrations between Shopify and third‑party systems, including 3PLs, warehouses, subscription platforms, CRM/marketing platforms, product/review platforms, and other commerce tools.
• Develop and maintain backend services and data flows supporting Shopify operations.
• Work on 3PL migrations, multi‑warehouse setups, fulfillment workflows, inventory synchronization, and order/data integrations.
• Troubleshoot and resolve issues involving orders, products, variants, inventory, subscriptions, fulfillment, integrations, APIs, and data synchronization.
• Build and maintain subscription functionality and integrations using platforms such as Skio or Recharge.
• Develop automations and workflows that reduce manual operational work and improve reliability.
• Work with Shopify APIs, GraphQL/REST APIs, webhooks, authentication, and asynchronous processes.
• Build and maintain custom functionality across Shopify's backend and storefront architecture.
• Develop responsive, high‑performance storefront experiences using Liquid, React, and/or Hydrogen.
• Optimize page speed, Core Web Vitals, mobile performance, and storefront reliability.
• Implement and maintain CRO and A/B testing, including experiments using tools such as Intelligems, Convert, or VWO.
• Integrate and maintain marketing and customer‑data platforms such as Klaviyo and Okendo where required.
• Investigate production issues independently, identify root causes, and implement durable fixes.
• Use AI‑powered development tools to accelerate development while independently validating and testing generated code.
• Write, test, review, and deploy production code following strong engineering practices.
• Maintain Git/GitHub workflows, including branches, pull requests, testing, and code reviews.
• Own technical decisions from implementation through production without relying on another engineering team for escalation.

Skills

Shopify

Shopify Liquid

JavaScript/TypeScript

Node.js

GraphQL APIs

REST APIs

Webhooks

Git/GitHub

APIs integrations

3PL integrations

Tools

GitHub

Job description

Paired is seeking a Senior Shopify Full-Stack Developer to own the technical development and infrastructure behind our DTC e-commerce storefronts. This hands-on role spans storefronts, backend systems, and integrations.

You will build custom Shopify themes, apps, and middleware using Liquid, JavaScript/TypeScript, React, and Shopify APIs. The role emphasizes performance, reliability, and advanced CRO tooling with tests and deployments via GitHub workflows.