React/Next.js Developer

Position: React/Next.js Developer Location: Bournemouth (Hybrid working available) Hours: Monday to Friday, 8:30am–5.00pm (flexi-time available) Salary: Competitive, based on experience Role Description We are looking for a highly skilled React / Next.js Developer with strong experience in headless and composable CMS architectures to support solution design, frontend engineering, and knowledge transfer to our in-house team. This role sits at the heart of Appius — a digital agency with over 25 years of history — delivering modern digital platforms for an established client portfolio across multiple sectors. You will architect, develop, and maintain high-performing frontend solutions using React, Next.js, and modern JavaScript frameworks. You’ll work closely with our Solutions Architect and Experience Team to interpret specifications, wireframes, and designs into sophisticated, component-driven digital ecosystems. This is a critical role that bridges technical implementation and delivery — ensuring best-practice frontend engineering, scalable design systems, and seamless integration with composable content and experience platforms such as Sitecore, Sitefinity, Optimizely, and Umbraco. Core Responsibilities Frontend Engineering Develop high-quality websites and interactive digital experiences using React and Next.js. Create reusable, scalable component libraries and design-system-driven UI structures. Implement modern rendering strategies including SSR, SSG, ISR, and API routes within Next.js. Ensure solutions are optimised for performance, accessibility, and SEO. Contribute to long-term experience layer architecture across multiple client ecosystems. Headless CMS & Composable Integration Integrate frontend applications with headless CMS platforms Translate functional specifications into structured content models and API-driven architectures. Collaborate with backend developers to define data structures, endpoints, and integration pathways. Configure content workflows and map CMS entities to frontend components. Support composable ecosystem patterns including search, experimentation, personalisation, and multi-platform orchestration where relevant. Essential Required Skills & Experience: Strong commercial experience with React, Next.js, and TypeScript. Deep understanding of modern JavaScript, frontend tooling, and component-based architectures. Experience building experience layers for Headless CMS and composable digital platforms. Understanding of Next.js rendering strategies including SSR, SSG, ISR, hydration, and App Router patterns. Proficient in HTML5, CSS3, SCSS, and responsive UI development. Experience consuming REST and GraphQL APIs and integrating CMS-managed content structures. Cross-browser and cross-device development expertise. Strong focus on frontend performance, accessibility, SEO, and maintainability. Experience mentoring teams and helping shape Experience Engineering standards and delivery practices. Desirable Experience with Sitecore, Optimizely, Sitefinity, Umbraco, or similar API-first CMS platforms. Experience building design-system-aligned component libraries (e.g. design tokens, reusable UI frameworks). Familiarity with modern testing approaches (e.g., Playwright, Cypress, component testing). Familiarity with composable architecture patterns beyond CMS, such as: Search and discovery services Personalisation and experimentation platforms Multi-system experience orchestration Experience with deployment environments Personal Attributes Strong communicator able to work closely with designers, architects, and client teams. Problem-solver who can identify technical solutions even in ambiguous scenarios. Collaborative and people-first mindset with a desire to share knowledge and support the wider team. Detail-oriented with a commitment to quality, consistency, and maintainability. Comfortable contributing not just code, but architectural thinking and delivery rhythm. Training & Development We Invest Heavily In Professional Development, Including Access To Technology partner training Online developer courses Opportunities for certification in composable CMS platforms and React ecosystem tools Benefits Full training given to progress in this role Flexi-time and hybrid working options Health care scheme with gym membership discounts Pension Scheme 25 days holiday, plus bank holidays Invitation to join our annual summer team day and Christmas Party, plus a range of social events throughout the year In-office fruit, drinks and snacks always available Bournemouth based office within THIS Workspace www.thiswork.space — 5 mins from the amazing beaches Apply now