Senior Frontend Developer (Shopify, React) (Remote, Contractual) [HR159] at smart-working-solutions

About Smart Working At Smart Working, we believe your job should not only look right on paper but also feel right every day. This isn’t just another remote opportunity - it’s about finding where you truly belong, no matter where you are. From day one, you’re welcomed into a genuine community that values your growth and well-being. Our mission is simple: to break down geographic barriers and connect skilled professionals with outstanding global teams and products for full-time, long-term roles. We help you discover meaningful work with teams that invest in your success, where you’re empowered to grow personally and professionally. Join one of the highest-rated workplaces on Glassdoor and experience what it means to thrive in a truly remote-first world. About the Role As a Senior Front End Developer, you will act as the technical engine within the Digital Trading & Merchandising team, responsible for maintaining and evolving the frontend infrastructure across key digital platforms. This includes both a legacy enterprise environment and a modern headless / Shopify-based architecture. The role focuses on delivering high-performance, accessible, and conversion-optimised user interfaces while supporting the organisation’s ambition to become a digital-first enterprise. You will work closely with Product Owners, UX/UI designers, backend engineers, and SEO stakeholders to translate commercial requirements into scalable frontend solutions. This is a 6-month contract role, fully focused on frontend engineering, with responsibility for driving performance improvements, enabling new digital experiences, and supporting the migration of a major domain to Shopify. Responsibilities • Architect, write, test, and deploy robust, scalable, and secure frontend code using React, HTML5, CSS3/SCSS, and modern JavaScript (ES6+), ensuring all applications undergo thorough testing and debugging before production release • Maintain and enhance frontend code across both legacy enterprise infrastructure and modern headless/Shopify environments • Build and maintain a library of reusable frontend components to accelerate feature development and ensure consistency across platforms • Architect frontend integrations with enterprise backend services and third-party APIs • Optimise web platforms for maximum speed, scalability, and strong Core Web Vitals, recognising the direct impact of performance on user engagement and conversion • Implement mobile-first, responsive, cross-browser compatible interfaces aligned with modern web standards • Ensure all applications comply with Web Content Accessibility Guidelines (WCAG) • Develop highly intuitive interfaces supporting digital tools such as: Online appointment booking systems, CAD brochure viewers, Trade-focused calculators (e.g. Boiler Pack Builder, Spares Finder) • Drive the technical execution of the bathrooms.com migration to Shopify, including custom theme development using • Liquid templating and API integrations • Develop scalable Shopify frontend solutions that integrate seamlessly with enterprise backend systems • Identify technical debt within legacy systems and propose modernisation improvements • Act as the primary technical owner of Google Tag Manager and the site data layer • Ensure critical lead-generation and appointment-booking forms operate effectively and capture data in a compliant manner • Work closely with Product Owners to understand business requirements, refine the backlog, and estimate technical effort within an Agile/Scrum framework • Collaborate with backend developers to ensure efficient API integration and data models • Partner with UX/UI designers to translate Figma designs into pixel-perfect web experiences • Work with SEO stakeholders to implement technical improvements that drive organic search performance Requirements • 5+ years of professional frontend development experience • Strong hands-on experience building React-based Single Page Applications (SPAs) • Hands-on experience developing Shopify themes using Liquid templating and Shopify APIs. • Advanced proficiency in React, HTML5, CSS3/SCSS, and modern JavaScript (ES6+) • Strong experience building mobile-first, responsive web applications • Experience integrating frontend applications with RESTful or GraphQL APIs • Strong understanding of frontend performance optimisation techniques • Experience working with Git-based version control • Experience collaborating within Agile/Scrum product teams • Ability to work independently while delivering in a fast-paced environment Nice to Have • Familiarity with Shopify Storefront API integrations • Experience working with headless commerce architectures • Experience in enterprise environments managing legacy frontend systems • Familiarity with Google Tag Manager, analytics platforms, and marketing automation tools • Experience implementing technical SEO improvements • Background in e-commerce, omnichannel retail, or B2B trade environments Benefits • Fixed Shifts: 12:00 PM - 9:30 PM IST (Summer) | 1:00 PM - 10:30 PM IST (Winter) • No Weekend Work: Real work-life balance, not just words • Day 1 Benefits: Laptop and full medical insurance provided • Support That Matters:Mentorship, community, and forums where ideas are shared • True Belonging: A long-term career where your contributions are valued At Smart Working, you’ll never be just another remote hire. Be a Smart Worker - valued, empowered, and part of a culture that celebrates integrity, excellence, and ambition. If that sounds like your kind of place, we’d love to hear your story.