Senior Shopify Plus Engineer: E-commerce Optimization Lead

Brand Collective; City of Melbourne; Hybrid; AUD 120,000 - 180,000; Full time

Benefits offered by this job

Pet-friendly workspace

Product allowance & generous discounts

Exclusive LK Group discounts

Access to sample sales

Leave when it matters

Novated leasing

Loyalty rewards

Well-being matters

Job summary

Brand Collective is seeking a Senior Web Developer to shape the technology behind our digital ecosystem. You’ll support 19+ Shopify Plus storefronts, optimize performance, and drive integrations across systems and marketplaces.

You’ll work with CRO, APIs, AI-enabled development, and front-end/back-end disciplines to deliver fast, accessible, commercially effective experiences. This role collaborates with multiple teams and external partners.

Qualifications

• 7+ years' experience in web development, ideally in ecommerce or retail environments.
• Strong hands-on Shopify Plus development experience (Liquid, Shopify APIs, CLI, metafields).
• Advanced front-end skills: JavaScript/TypeScript, React, HTML, CSS/Tailwind; solid back-end development experience.

Responsibilities

• Develop and optimise high-performance Shopify Plus experiences across 19+ brand websites using Liquid, JS, React, Tailwind, HTML and CSS.
• Build and maintain APIs, integrations and custom Shopify solutions (Apparel21, Searchspring, Klaviyo, payments).
• Drive CRO via A/B testing, funnel analysis and data-led UX improvements.
• Contribute to mobile app and marketplace experiences including The Iconic, Amazon and eBay integrations.
• Champion AI-enabled development to improve coding, testing and delivery velocity.
• Own front-end performance: Core Web Vitals, speed, mobile responsiveness and accessibility.
• Collaborate with Product, UX, Trade, Marketing and external teams to set technical direction.

Skills

Shopify Plus

Liquid

JavaScript

React

Tailwind

HTML/CSS

APIs

CI/CD

Git

AI-enabled development

Tools

Shopify APIs

Shopify CLI

metaobjects/metafields

Job description

Brand Collective is seeking a Senior Web Developer to shape the technology behind our digital ecosystem. You’ll support 19+ Shopify Plus storefronts, optimize performance, and drive integrations across systems and marketplaces.

You’ll work with CRO, APIs, AI-enabled development, and front-end/back-end disciplines to deliver fast, accessible, commercially effective experiences. This role collaborates with multiple teams and external partners.