Senior Fullstack (MERN) Developer

About us: Talent has no borders. Proxify's mission is to connect top developers around the world with the opportunities they deserve. So, it doesn't matter where you are; we are here to help you fast-track your independent career in the right direction. 🙂 Since our launch, Proxify's developers have successfully worked with 1200+ happy clients to build their products and growth features. 5000+ talented developers trust Proxify and its network to fulfill their dreams and objectives. Proxify is shaped by a global network of supportive, talented developers interested in remote full-time jobs. Our Glassdoor (4.5/5) and Trustpilot (4.8/5) ratings reflect the trust developers place in us and our commitment to our members' success. The Role: We are looking for a Senior Fullstack Developer with strong MERN stack knowledge 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 are looking for: 5+ years of full-stack development experience with MERN stack. Strong proficiency in JavaScript, React.js, Node.js, and Express.js. Experience designing and implementing RESTful APIs. Database skills in MongoDB and SQL. Proficiency in HTML5 and CSS3. Experience with Git. Solid understanding of state management (e.g., Redux, Context). Ability to write clean, efficient, and well-documented code. Strong problem-solving skills and good communication. Intermediate-advanced English. Time zone: CET (+/- 3 hours). We are unable to consider applications from candidates in other time zones. Nice-to-have: Experience with Next.js or TypeScript. Familiarity with microservices, Docker, Kubernetes, or cloud platforms (AWS, Azure, GCP). Knowledge of CI/CD. Responsibilities: Develop and maintain full-stack MERN applications. Build reusable frontend components and robust backend services. Work with databases and APIs. Translate designs into high-quality code. Optimize applications for p