Senior Shopify Engineer

About the role

VML, part of WPP, is a leading creative company that combines brand experience, customer experience, and commerce, creating connected brands to drive growth. VML is celebrated for its innovative and human first, award-winning work for blue chip client partners including AstraZeneca, Colgate-Palmolive, Dell, Ford, Microsoft, Nestlé, The Coca-Cola Company, and Wendy's. The agency is recognized by the Forrester Wave™ Reports, as a Leader among Marketing Creative and Content Service Providers, Commerce Services, Global Digital Experience Services, Global Marketing Services and, most recently, Marketing Measurement & Optimization. In addition, VML's specialist health network, VML Health, is one of the world's largest and most awarded health agencies. VML's global network is powered by 26,000 talented people across 55+ markets, with principal offices in Kansas City, New York, Detroit, London, São Paulo, Shanghai, Singapore, and Sydney. About WPP WPP is the trusted growth partner for the world's leading brands. We unite cutting-edge media intelligence and data solutions, world-class creativity, next-generation production, transformative enterprise solutions and expert strategic counsel in a single company - powered by exceptional talent and our agentic marketing platform, WPP Open, to help our clients navigate change, capture opportunity and deliver transformational growth. For more information, visit WPP.com . We are looking for a senior shopify front-end engineer who will drive technical excellence by building high-performing, accessible, and beautifully responsive Shopify themes and reusable components. Working in a dynamic Agile environment, you will bridge the gap between design, marketing, and technology-collaborating directly with stakeholders and clients to turn complex requirements into seamless user experiences that actively boost conversions. This is a unique opportunity to champion best practices (using modern tools like TypeScript, Jest, and Cypress), influence our front-end architecture, and even help shape our future team through mentorship and recruitment. If you are a self-motivated developer who thrives on end-to-end ownership, solving bespoke challenges, and staying at the absolute forefront of e-commerce tech (including headless solutions), we want to empower you to do your best work here.

Responsibilities

• Creating high quality production-ready front-end code with Shopify
• Creating reusable Shopify components and theme areas
• Drive forward the quality - in code, unit testing, accessibility, performance, code reviews
• Ensure a smooth connection with Marketing Tools, Platform APIs, and Shopify Apps to optimise the shop for overall efficiency and functionality
• Deliver on an Agile workstream of front-end developers on a project, contributing to daily stand-ups, sprint planning and estimates
• Ability to converse confidently with technical and non-technical colleagues
• Build modular layouts, reusable code and libraries for future use
• To be comfortable representing front-end in a client-facing capacity
• Work with the design teams to create optimal front-end user experiences, leading to driving greater conversions
• Collaborating with technical and non-technical colleagues to escalate issues and highlight any areas that need wider team action
• Cooperate with design and marketing teams to gather and refine specifications and requirements for development
• Be involved in existing and new integrations for the platform
• Full end-to-end ownership from idea to delivery, covering ongoing maintenance, expansion and scaling
• Stay current with evolving standards and technologies, learning new skills as needed
• Support of the recruitment process in technical tests and team fit assessments
• What we want from you
• Mastery of semantic HTML5, CSS3 (SASS or LESS) and JavaScript (ES6+) adhering to industry defined coding standards
• Solid understanding of the Agile methodology i.e. Story point estimation, refinement, sprint planning, retrospective, sprint demos
• Extensive experience with the Shopify platform and the Liquid templating engine
• A desire to write readable, maintainable, modular, and extendable code
• Be an expert in all aspects of the Shopify ECommerce platform
• Have extensive testing and debugging abilities using the browser console and other tools
• Knowledge of current trends and best practices in front-end architecture, including performance optimization, accessibility, SEO, security and usability
• Commercial experience of using GIT in a large development team performing Continuous Integration
• Excellent communication skills and capability to interact directly with the team and stakeholders
• Proficient understanding of fluid responsive layouts, cross-browser and cross-device compatibility issues
• Commercial experience of unit testing/End to end testing/regression testing (we use Jest and Cypress)
• Have previous experience implementing/debugging third-party Shopify app

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