Senior Frontend Engineer - Retail Digital Platform

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.