Senior Frontend Developer (React.js) (Remote)

Senior Front-End Developer (React.js, Next.js, Tailwind CSS, MACH) Are you a front-end specialist with a passion for crafting elegant, high-performance user interfaces? Join a leading non-profit organisation as a Senior Front-End Developer , where your skills will help deliver digital experiences that make a real-world impact. This is a remote-first role open to candidates based in the UK . Lead the development of modern, responsive web applications using React.js and Next.js . Collaborate with designers and back-end developers to deliver seamless, accessible, and performant user experiences. Implement and maintain scalable front-end architectures aligned with MACH principles. Drive UI/UX best practices, component reusability, and design system consistency using Tailwind CSS (or similar frameworks). Proven experience building production-grade front-end applications with React.js and Next.js . Strong understanding of JavaScript , TypeScript , and modern front-end tooling (e.g., Experience with Tailwind CSS or other utility-first CSS frameworks. Solid grasp of accessibility standards, responsive design, and performance optimisation. Experience working in Agile teams and using Git, CI/CD pipelines, and collaborative workflows. Competitive salary and benefits package. Fully remote working with flexible hours. Work on meaningful projects that create positive social impact. Supportive, inclusive team culture with opportunities for growth and innovation.