Sanderson
Senior Frontend Engineer (Contract) – Retail Digital Platform
Location: West Yorkshire – 2 days per week
Duration: Initial 6-Month Contract
Rate: £450-£550 per day (Outside IR35)
The Opportunity
We're supporting a major UK retail organisation undergoing significant digital transformation across its e-commerce and customer experience platforms. They are looking for an experienced Senior Frontend Engineer to help deliver scalable, high-performance web applications and Progressive Web Apps (PWA) used by millions of customers.
You'll work within agile product teams alongside Product Managers, UX Designers, Architects, Backend Engineers and QA specialists to build and enhance customer-facing digital experiences.
Key Responsibilities
- Design, develop and maintain modern frontend applications using React and TypeScript
- Deliver scalable, maintainable and high-performing web solutions
- Collaborate with product and UX teams to translate business requirements into technical solutions
- Drive frontend engineering best practices across performance, accessibility and security
- Lead code reviews and contribute to technical decision-making
- Implement automated testing and CI/CD practices
- Optimise customer journeys across search, browse, basket and checkout experiences
- Support continuous improvement initiatives within agile delivery teams
Required Skills & Experience
- Strong commercial experience with React
- Expert knowledge of TypeScript and modern JavaScript (ES6+)
- Experience building and maintaining Progressive Web Apps (PWAs)
- Strong understanding of HTML5, CSS3 and SCSS
- Responsive and mobile-first development experience
- REST API and/or GraphQL integration experience
- Testing experience using tools such as Jest, React Testing Library, Cypress or Playwright
- Experience working with Git-based version control and CI/CD pipelines
- Strong knowledge of frontend performance optimisation and Core Web Vitals
- Experience delivering accessible applications aligned to WCAG standards
Desirable Experience
- Large-scale e-commerce or retail platforms
- High-traffic customer-facing websites
- Azure cloud environments
- Personalisation, experimentation or A/B testing platforms
- Search, browse, basket or checkout functionality
What We're Looking For
- Strong problem-solving capability
- Excellent stakeholder and team collaboration skills
- Ability to provide technical leadership within delivery teams
- Passion for engineering excellence and continuous improvement
- Proven track record delivering high-quality solutions in fast-paced agile environments
Reasonable Adjustments:
Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of partnership to deliver the best resourcing solutions for our clients.
If you need any help or adjustments during the recruitment process for any reason, please let us know when you apply or talk to the recruiters directly so we can support you.
To apply for this job please visit www.reed.co.uk.
Make this application stronger
Use these quick checks before applying so your CV, interview preparation and job search are better matched to this vacancy.
Before you apply
Check the key details and make sure the role matches what you are looking for.
- Review the job title, company, location, salary and working pattern if provided.
- Check the skills, experience or qualifications requested by the employer.
- Make sure the commute, hours and contract type are realistic for you.
Tailor your CV
For IT Jobs, highlight the most relevant skills, experience and achievements linked to this type of work. Keep it honest, clear and focused on what the employer is asking for.
Use the CV Builder or browse Career Advice.
Prepare for interview
If your application is successful, prepare simple examples that show your motivation, strengths and suitability.
Keep searching smarter
Do not rely on one application. Keep searching similar roles and set up alerts so new vacancies reach you faster.
