Posted Oct 12, 2026

Senior React.js Frontend Engineer

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About Proxify At Proxify , a Swedish tech company, we connect talented tech professionals with long-term remote opportunities at top companies across the USA, Sweden, Germany, the Netherlands, and beyond. Since 2018, we’ve helped 5,000+ developer s land remote roles with 1,200+ companies worldwide. Role overview We are looking for Senior Software Engineers with strong React experience to join our fast-growing Network. You will play a key role in building modern web applications, collaborating with cross-functional teams, and helping shape the future of user experiences across various platforms. Important: You must be based in any country in EMEA to be considered for this position. Key responsibilities Build and develop modern, high-performance web applications using React and the latest frontend technologies. Create fast, responsive, and user-friendly interfaces that work seamlessly across all devices. Design reusable components and help shape the frontend architecture. Write clean, maintainable, and well-tested code following best practices. Identify and fix bugs while continuously improving the user experience. Work closely with designers, product managers, and backend developers to bring ideas to life. Must-have 5+ years of demonstrable, production-level experience architecting and developing applications with React.js and its surrounding ecosystem of libraries and tools Deep knowledge of JavaScript (ES6+), HTML5, CSS3, and modern CSS-in-JS or preprocessor solutions Experience with state management libraries (e.g., Redux, Zustand, Recoil) and understanding of their trade-offs Familiarity with modern build tools like Webpack, Vite, or equivalent Strong understanding of RESTful APIs, asynchronous operations, and frontend-backend integration Experience with unit and integration testing (e.g., Jest, React Testing Library) Good English communication skills and the ability to work in an agile environment Nice-to-have Experience with backend technologies, databases, cloud services, and any tech stack beyond JavaScript Familiarity with server-side rendering frameworks like Next.js or similar Hands-on experience with TypeScript and building modular, reusable components using design systems, component libraries, and scalable UI patterns Understanding of CI/CD pipelines and deployment workflows 🌍 Why Join Proxify? 100% remote opportunities. Work with top international companies. Long-term engagements. Flexible part-time or full-time setup. Apply once → access multiple opportunities. Skip traditional recruitment barriers through personalized matching. Work from anywhere and access a truly global network. 👉 Interested? Apply and join our global network of technology professionals.