Shopify Senior Developer
Confirmed on the employer's own hiring board on Oct 15, 2026. First seen by Alion on Jul 8, 2026.
Who we are:
GMG is a global well-being company retailing, distributing and manufacturing a portfolio of leading international and home-grown brands across sport, everyday goods, health and beauty, properties and logistics sectors. Under the ownership and management of the Baker family for over 45 years, GMG is a valued partner of choice for the world's most successful and respected brands in the well-being sector. Working across the Middle East, North Africa, and Asia, GMG has introduced more than 120 brands across 12 countries. These include notable home-grown brands such as Sun & Sand Sports, Dropkick, Supercare Pharmacy, Farm Fresh, Klassic, and international brands like Nike, Columbia, Converse, Timberland, Vans, Mama Sita's, and McCain.
Role Summary:
We are looking for a seasoned Shopify Plus Developer with a minimum of 6 years of hands-on experience to take ownership of our flagship storefront. You will be responsible for architecting, developing, and optimizing high-performance, scalable, and custom solutions on the Shopify platform. The ideal candidate is a strategic problem-solver who can translate complex business requirements into technical reality and mentor other developers on the team.
Responsibilities:
- Architecture & Development: Design, develop, and implement complex, responsive, and user-friendly Shopify based & custom themes from scratch, adhering to best practices.
- Custom Application Development: Build and maintain custom Shopify apps using modern technologies (Node.js, React, Ruby on Rails, PHP) to extend store functionality beyond out-of-the-box features.
- Third-Party Integrations: Architect and build seamless, robust integrations with critical third-party systems (like OMS, WMS, PIM etc).
- Performance & SEO Optimization: Coordinate with Digital marketing team for ongoing audits and implement enhancements to dramatically improve site speed, core web vitals, and search engine optimization (SEO).
- Technical Leadership: Provide technical guidance and mentorship to junior developer. Conduct code reviews to ensure quality and adherence to standards.
- Stakeholder Collaboration: Work closely with cross-functional teams including UX/UI designers, product managers, and digital marketers to understand requirements and deliver effective solutions.
- Problem Solving: Debug and resolve complex technical issues across the entire stack (front-end, back-end, APIs).
People Management:
The incumbent holds no direct supervisory responsibilities but is expected to engage effectively within their function and collaboratively across cross-functional teams. This role contributes meaningfully, whether through operational contributions and/or by offering specialized expertise, guidance, and support, to ensure alignment with either functional and/or strategic organizational goals and objectives.
Functional / Technical Competencies:
- Understanding of Admin portal
- Liquid template knowledge
- Theme development and maintenance
- Custom app development
- HTML5, CSS3, JS (ES6)
- Metafields, Metaobjects and customer data models
- Checkout extensibility
Experience:
6+ years of web development experience, with at least 4 years focused exclusively on the Shopify Plus platform.