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Senior Frontend Developer (React / Shopify)

Smart Working
Full Timesenior
INPosted April 14, 2026

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JavaScriptGraphQLReactGitAgileScrum

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Job Description

Role Overview:

At Smart Working, we focus on connecting skilled professionals with outstanding global teams and products for full-time, long-term roles. As a Senior Front End Developer, you will play a crucial role in maintaining and evolving the frontend infrastructure across key digital platforms. Your responsibilities will include delivering high-performance, accessible, and conversion-optimized user interfaces, as well as supporting the organization's ambition to become a digital-first enterprise.

Key Responsibilities:

  • Architect, write, test, and deploy robust, scalable, and secure frontend code using React, HTML5, CSS3/SCSS, and modern JavaScript (ES6+)
  • 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
  • Optimize web platforms for maximum speed, scalability, and strong Core Web Vitals
  • 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, and trade-focused calculators
  • Drive the technical execution of the migration to Shopify
  • Identify technical debt within legacy systems and propose modernization improvements
  • Act as the primary technical owner of Google Tag Manager and the site data layer
  • Collaborate with backend developers, Product Owners, UX/UI designers, and SEO stakeholders

Qualifications Required:

  • 5+ years of professional frontend development experience
  • Strong hands-on experience building React-based Single Page Applications (SPAs)
  • Advanced proficiency in React, HTML5, CSS3/SCSS, and modern JavaScript (ES6+)
  • Experience integrating frontend applications with RESTful or GraphQL APIs
  • Strong understanding of frontend performance optimization techniques
  • Experience working with Git-based version control
  • Experience collaborating within Agile/Scrum product teams
  • Ability to work independently in a fast-paced environment

Additional Details:

Smart Working offers benefits such as fixed shifts, no weekend work, day 1 benefits including a laptop and full medical insurance, mentorship, community support, and a culture that values integrity, excellence, and ambition. If you are looking for a long-term career where your contributions are valued, Smart Working is the place for you. Role Overview:

At Smart Working, we focus on connecting skilled professionals with outstanding global teams and products for full-time, long-term roles. As a Senior Front End Developer, you will play a crucial role in maintaining and evolving the frontend infrastructure across key digital platforms. Your responsibilities will include delivering high-performance, accessible, and conversion-optimized user interfaces, as well as supporting the organization's ambition to become a digital-first enterprise.

Key Responsibilities:

  • Architect, write, test, and deploy robust, scalable, and secure frontend code using React, HTML5, CSS3/SCSS, and modern JavaScript (ES6+)
  • 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
  • Optimize web platforms for maximum speed, scalability, and strong Core Web Vitals
  • 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, and trade-focused calculators
  • Drive the technical execution of the migration to Shopify
  • Identify technical debt within legacy systems and propose modernization improvements
  • Act as the primary technical owner of Google Tag Manager and the site data layer
  • Collaborate with backend developers, Product Owners, UX/UI designers, and SEO stakeholders

Qualifications Required:

  • 5+ years of professional frontend development experience
  • Strong hands-on experience building React-based Single Page Applications (SPAs)
  • Advanced proficiency in React, HTML5, CSS3/SCSS, and modern JavaScript (ES6+)
  • Experience integrating frontend applications with RESTful or GraphQL APIs
  • Strong understanding of frontend performance optimization techniques
  • Experience working with Git-based version control
  • Experience collaborating within Agile/Scrum product teams
  • Ability to work i

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