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Senior Front-End Developer
Job Location:
Job Location:
Northumberland - UK
Monthly Salary:
Not provided by the employer
Monthly Salary:
Posted:
16 September 2026 (3 days ago)
Posted:
Application Deadline:
14 December 2026
Application Deadline:
Vacancies:
1 Vacancy
Vacancies:
Job Summary
As Disturbia continues to grow we are looking for a Senior Front-End Developer to join our IT & Dev team in Newcastle. This is a senior hands-on role with ownership of the quality performance and maintainability of our customer-facing Shopify experience. The successful candidate will translate commercial and creative priorities into fast accessible and engaging storefront experiences; lead theme architecture and front-end engineering standards; and use data experimentation and sound technical judgement to improve conversion and customer experience.
Our e-commerce operation is centred on a multi-store Shopify Plus environment serving multiple international markets. The storefronts integrate with marketing analytics review customer service logistics and mobile-app platforms with additional capabilities delivered through a combination of in-house solutions and carefully selected third-party apps.
Our e-commerce operation is centred on a multi-store Shopify Plus environment serving multiple international markets. The storefronts integrate with marketing analytics review customer service logistics and mobile-app platforms with additional capabilities delivered through a combination of in-house solutions and carefully selected third-party apps.
Key Responsibilities
Reporting to the Director of IT the successful candidate will take technical ownership of front-end delivery across the Shopify Plus ecosystem. They will work closely with e-commerce creative marketing and technical colleagues to turn business goals and customer insight into robust measurable improvements while setting standards for front-end architecture code quality testing and release discipline.
The successful candidate will:
- Own the architecture development and continuous improvement of Shopify themes across multiple storefronts and international markets.
- Turn customer insight commercial priorities and design concepts into high-quality reusable front-end experiences that improve conversion and customer experience.
- Lead optimisation of storefront performance accessibility responsiveness and Core Web Vitals.
- Partner with e-commerce marketing and creative teams to deliver data-informed improvements through experimentation analytics and CRO initiatives.
- Establish and maintain front-end engineering standards component libraries testing practices and technical documentation.
- Assess and implement new technologies integrations and third-party applications that enhance customer experience and business performance.
- Take ownership of projects from discovery and technical design through implementation release and post-launch monitoring working independently with minimal supervision.
- Proactively identify technical debt risks and opportunities for innovation continuously improving both the storefront and development workflows
Skills Knowledge and Expertise
Candidates should have substantial hands-on experience delivering production front-end solutions within the Shopify ecosystem. They must be able to demonstrate the following essential skills:
- Advanced Shopify Liquid development experience within Shopify Plus environments.
- Strong expertise in modern HTML CSS and JavaScript with a deep understanding of browser performance and rendering behaviour.
- Experience building scalable reusable front-end components for complex high-traffic e-commerce websites.
- The ability to translate design concepts UX requirements and customer needs into production-ready experiences.
- Strong knowledge of Git code review processes testing practices and modern deployment workflows.
- Commercial awareness using analytics experimentation and performance data to influence technical decisions and drive customer outcomes.
- Excellent communication skills with the ability to work across both technical and non-technical stakeholders and provide technical leadership.
- A proactive self-directed approach with the ability to identify opportunities solve problems independently and continuously improve platforms processes and ways of working
The following skills are desirable but not essential
- Working with Shopify Storefront GraphQL or REST APIs and integrating front-end experiences with third-party services
- Developing Shopify Functions and UI Extensions using Preact for checkout customer account and admin extensibility
- Developing embedded Shopify admin apps using React Router App Bridge and Polaris
- Developing theme app extensions
- Building server-side services automations or edge functionality including experience with Cloudflare Workers and related technologies
- Implementing CRO and experimentation platforms analytics implementation feature flags or personalisation
- Design systems component libraries visual regression testing or end-to-end testing tools
Personal qualities
- Analytical and focused - prioritising improvements that will have the greatest positive impact on the business
- Strong initiative - proactively identifying improvements and potential issues early
- Collaborative communicator - working effectively with technical and nontechnical teams
- Adaptable - responding well to evolving ecommerce technology and Shopify platform changes
- Motivated - with the ability to work to deadlines manage workload and deliver reliably
- Precise - and with an impeccable eye for detail
Benefits
- Competitive Salary subject to skills and experience with potential bonus and paid overtime
- Annual leave base starting at 25 days per year ( bank holidays) ability to accrue holidays with each years service and annual leave purchase scheme
- Enhanced maternity and paternity pay
- Private health insurance
- Enhanced sickness pay
- Free Parking
- 2 Corporate Social Responsibility days per year
- Generous staff allowance and discount
- Free fresh fruit snacks and drinks in office
- Individual social fund
- Bi-Annual Paid team outings
- Regular pay reviews
Required Experience:
Senior IC
About Company
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