About this role
Coolblue Software Engineering Rotterdam, Netherlands Posted on Jul 8, 2026 Apply now As a Front-End React/Next.js Developer, you will help improve the user experience of our web applications at Coolblue, while being comfortable working across the full stack when needed. This role is primarily front-end focused, with hands-on full-stack expectations including back-end development in TypeScript and C#. As a Front-End React/Next.js Developer, you will be responsible for developing user interface components and implementing them using modern front-end technologies, including React.js and Next.js. Your primary focus is on the front end, while you understand how the back end supports these experiences. You will collaborate with UX Designers, coming up with creative solutions and presenting them within the team. You will also work together with other developers on APIs or server-side logic when required. You will gather feedback on both your technical and soft skills. Would you like to become a Front-End React/Next.js Developer at Coolblue? Read below if the job suits you. You enjoy doing this - Developing and implementing performant, user-friendly applications using React.js and Next.js. - Reviewing application requirements and interface designs, and identifying web-based user interactions. - Contributing to back-end logic such as APIs and server-side functionality using technologies like Node.js or C# when needed. - Making technical decisions, including about architecture, tools, and processes, with a full-stack perspective. - Collaborating with team members from various backgrounds and nationalities. - Working with GitHub and writing automated tests to ensure high-quality software. - Working in a fast-paced Continuous Integration & Deployment environment. You recognize yourself in the following - You have 3+ years of experience as a Front-End React/Next.js Developer. - You have a BSc or MSc in Computer Science or compara...