Senior Shopify Developer

Happy Mammoth is a fast-growing natural food tech business selling across Australia, EU and the United States. We specialize in formulating, producing and marketing gut, digestive and microbiome health foods and natural supplements, designed to help our clients make long-lasting positive health changes and start living very full lives again.

We’re on the lookout for a Senior Shopify Developer with strong technical depth and proven eCommerce experience to join our team. This role is focused on building high-converting, visually engaging pages using GemPages, ensuring they align with our brand identity and are optimized for performance and user experience.

In addition to page building, this position requires advanced Shopify expertise, including theme customization, custom feature implementation, third-party integrations, and systematic troubleshooting within complex Shopify environments.

We are looking for someone who understands scalable architecture, clean development systems, and conversion-driven execution.

Before You Apply – Please Read Carefully

• This is a full-time, fully remote contractor position

• We are seeking someone with a strong professional background in Shopify and eCommerce development

• Although the role is remote, the candidate must be available during EU hours (GMT)

• CVs must be submitted in English

Key Responsibilities

• Build high-converting product pages, landing pages, and advertorials using GemPages

• Ensure all pages are fully responsive across desktop, tablet, and mobile devices

• Maintain strict design accuracy by implementing Figma files with precise spacing, typography, and layout

• Integrate dynamic and region-specific elements with proper functionality and localization

• Apply eCommerce best practices and proactively identify structural and conversion improvements

• Execute advanced Shopify development tasks including theme edits, custom components, and app integrations

• Troubleshoot and resolve technical issues across themes and applications

• Identify recurring inefficiencies and strengthen development systems for long-term scalability

• Support integration of third-party tools, tracking systems, and performance-related scripts within the Shopify ecosystem

Qualifications

• Extensive hands-on Shopify development experience in D2C/B2C eCommerce environments

• Proven experience building responsive, high-converting pages using GemPages and Shopify

• Strong command of Shopify Liquid, HTML, CSS, and JavaScript

• Strong understanding of UI/UX principles, conversion psychology, and eCommerce best practices

• Experience working with revenue-focused product pages and multi-region stores is a plus

• High proficiency in Figma and precise implementation of design handoffs

• Strong technical problem-solving skills within the Shopify ecosystem

• Ability to build clean, scalable, and well-structured development systems

• Strong communication skills and an ownership-driven mindset

• Ability to operate within structured workflows and deliver consistently under defined deadlines

We are looking for someone who takes pride in clean architecture, performance-aware builds, and measurable impact — not just visual execution.

CVs must be submitted in English.