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

**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.