Senior React.js Frontend Engineer

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.