Senior Next.js Engineer

Senior Next.js Engineer (Contract) – Inside IR35 Location: Hybrid - Coventry or London (1-2 days per week onsite) Contract: 12 Months IR35: Inside IR35 Start: ASAP Rate: Negotiable An exciting opportunity has arisen for an experienced Senior Next.js Engineer to join a major enterprise organisation delivering large-scale digital transformation programmes. You will play a key role in designing and developing modern, high-performance web applications that support business-critical platforms. This is an excellent opportunity for someone who enjoys working across the full stack, building scalable applications, solving complex technical challenges, and driving performance improvements within a collaborative Agile environment. Key Responsibilities • Design and develop modern web applications using Next.js App Router • Build applications using React Server Components (RSC) and Server Actions • Develop scalable backend APIs and server-side functionality • Design and implement MongoDB schemas and data models • Build performant full-stack applications using React, TypeScript and Node.js • Implement SSR, SSG and ISR strategies • Optimise application performance and Core Web Vitals • Develop caching strategies for scalable applications • Implement observability using New Relic • Work within Agile Scrum teams delivering enterprise solutions Essential Skills • Extensive commercial experience with Next.js • Strong React and TypeScript expertise • Experience with App Router • React Server Components (RSC) • Server Actions • Node.js • MongoDB • REST APIs • SSR / SSG / ISR • Performance optimisation • New Relic • Clean Code & SOLID principles • Agile delivery experience • Retail or eCommerce experience • Microservices • Performance testing (k6, JMeter) • MongoDB optimisation • Enterprise-scale application development If you're an experienced Next.js Engineer looking for your next contract opportunity working on large-scale enterprise platforms, we'd love to hear from you