Senior Shopify Engineer (Full-Stack)

Young Living Essential Oils•Lehi, UT

1d•Onsite

About The Position

We are looking for a Senior Shopify Engineer with deep experience in Shopify Liquid theming and custom Shopify app development using React. This role is ideal for someone who understands Shopify end-to-end — from storefront performance and UX to backend APIs and embedded apps. You will play a key role in building, customizing, and scaling Shopify solutions that support business growth, improve customer experience, and integrate with internal systems.

Requirements

5+ years of professional web development experience
3+ years of hands-on Shopify development experience
Strong expertise in Shopify Liquid and theme customization.
Proven experience building custom Shopify apps.
Strong proficiency in React (hooks, component architecture, state management).
Experience with Shopify App Bridge and OAuth authentication.
Solid understanding of Shopify APIs (Admin, Storefront, Webhooks).
Proficiency with modern JavaScript (ES6+), HTML5, and CSS3.
Experience with version control systems (Git).

Nice To Haves

Experience with Alpine.js for building reactive UI components.
Shopify Plus experience.
Experience with Checkout Extensibility and Checkout UI extensions.
Experience with theme performance tooling (Lighthouse, Core Web Vitals).
Experience with Node.js, serverless platforms (Cloudflare/AWS), and GraphQL tooling.
Experience with A/B testing and feature flagging.
Experience with payments, fraud, tax/duties, subscriptions, and ERP/PIM integrations.
Experience building custom or private Shopify apps with OAuth and secure key management.

Responsibilities

Design, develop, and maintain custom Shopify themes using Liquid, HTML, CSS, and JavaScript
Build and maintain custom Shopify apps, including embedded apps using React and Shopify App Bridge
Work with Shopify Admin API, Storefront API, and Webhooks
Develop scalable front-end components and application logic using React
Working experience with Alpine.js for building reactive UI components
Integrate Shopify with third-party systems (ERP, CRM, marketing tools, fulfillment, analytics, etc.)
Optimize storefront performance, accessibility, and SEO
Collaborate with designers, product managers, and stakeholders to translate business requirements into technical solutions
Troubleshoot complex Shopify issues across themes, apps, and integrations
Follow best practices for security, performance, and maintainability
Provide technical mentorship to junior developers and contribute to technical decision-making and architecture. (Mentorship is technical, not managerial.)
Mentor junior developers and contribute to technical decision-making and architecture