Senior Frontend Developer (React.js / Next.js)

Proxify AB · Worldwide / Remote · Full-time · Engineering

Remote

Posted 8d ago · Expires 8/15/2026

Role description

Hiring company: Proxify AB Headquarters: Sweden URL: http://career.proxify.io The Role: We are looking for a Senior Frontend Developer with strong proficiency with React.js and Next.js for one of our clients. You are a perfect candidate if you are growth-oriented, you love what you do, and you enjoy working on new ideas to develop exciting products. What we’re looking for: • Minimum of 5 years of experience in frontend development with a strong portfolio of projects demonstrating expertise in React.js and Next.js. • Proficiency in HTML, CSS, JavaScript, TypeScript, and modern frontend development tools and frameworks. • Experience with state management libraries such as Redux, MobX, or similar. • Proficiency with testing frameworks and tools like Jest, Cypress, or Testing Library. • Strong knowledge of version control systems, particularly Git. • Located in CET timezone (+/- 3 hours), we are unable to consider applications from candidates in other time zones. Responsibilities: • Design, develop, and maintain high-performance, scalable web applications using React.js and Next.js. • Create reusable and maintainable UI components with a focus on performance and accessibility. • Work closely with designers, backend developers, and product managers to translate user needs and business goals into functional and engaging web applications. • Write clean, efficient, and well-documented code following best practices in software development. • Identify and address performance bottlenecks to ensure smooth and responsive user experiences. • Conduct unit testing, integration testing, and end-to-end testing to ensure the reliability and robustness of the applications. What we offer: Get paid, not played No more unreliable clients. Enjoy on-time monthly payments with flexible withdrawal options. Predictable project hours Enjoy a harmonious work-life balance with consistent 8-hour working days with clients. Flex days, so you can recharge Enjoy up to 24 flex days off per year without losing pay, for full-time positions found through Proxify. Career-accelerating positions at cutting-edge companies Discover exclusive long-term remote positions at the world's most exciting companies. Hand-picked opportunities, just for you Skip the typical recruitment roadblocks and biases with personally matched positions. One seamless process, multiple opportunities A one-time contracting process for endless opportunities, with no extra assessments. Compensation Enjoy the same pay, every month with positions landed through Proxify. To apply: https://weworkremotely.com/remote-jobs/proxify-ab-senior-frontend-developer-react-js-next-js-1

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