Frontend Engineer (React / Next.js)

Job title: Frontend Engineer (React / Next.js)

About the Role MandM is seeking a Frontend Engineer to build high-quality UI components and customer-facing applications using React and Next.js. You will own the frontend space, collaborating with cross-functional squads to translate user needs into accessible, robust experiences. You will set the standard for modern web development and mentor others to help grow a healthy engineering culture.

What You'll Do

• Develop scalable React and Next.js applications with well-defined component boundaries.
• Build modern UI libraries or integrate with existing ones to ensure a consistent look and feel across apps.
• Design and document component library standards and patterns; connect frontend to backend services via RESTful APIs.
• Collaborate with Test Engineers to own testing quality; write clean, accessible code with robust unit tests; establish frontend testing strategies using Jest and Playwright.
• Proactively pitch technical ideas, optimize performance (bundle size, rendering, Core Web Vitals); audit site speed with Lighthouse; design secure, performant GCP CDN solutions.
• Drive collaboration, accessibility and mentorship; promote a test-and-learn culture; coach junior engineers; explain complex concepts clearly to stakeholders.

What We're Looking For

• Strong hands-on experience with React and Next.js; building user interfaces and customer-facing apps.
• Ability to work across multidisciplinary teams and maintain component libraries and standards.
• Demonstrated focus on accessibility and user-centered design; advocate for genuine user needs.
• Experience with testing and quality ownership; familiarity with Jest, Playwright; good knowledge of RESTful APIs.
• Interest in performance optimization, Core Web Vitals, and modern web standards.
• Excellent communication skills and willingness to mentor others.

Nice to Have

• Experience building or maintaining component libraries/UI libraries or design systems.
• Familiarity with cloud delivery networks and performance tooling like Lighthouse.

Compensation & Benefits

• Competitive Salary.
• 2 days paid volunteering per year.
• Career growth opportunities.
• Staff discounts and company pension.
• Generous holiday allowance: 5 weeks, with option to buy an extra week.
• Birthday day off; free parking; health & wellbeing programme.