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

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, deve