Your Tasks
Join our team and help shape the future of our integral webshop. In this role, you will build new features and drive continuous optimizations to create a seamless, intuitive, and high-performing customer journey for users around the world. Working closely with cross-functional teams, you’ll turn customer needs and business goals into impactful digital experiences.
Your tasks:
Design, develop, and maintain scalable web applications using React and TypeScript
Build and evolve reusable UI components and frontend architectures with a focus on performance, accessibility, and maintainability
Integrate frontend applications with APIs (e.g. GraphQL) to deliver seamless user experiences
Ensure high code quality through testing, debugging, and continuous improvement (e.g., React Testing Library, Playwright)
Collaborate closely with product, design, and backend teams to deliver user-centric and data-driven solutions
Lead or contribute to feature planning, estimation, and implementation across multiple workstreams
Drive improvements in frontend performance, developer experience,



and engineering best practices
Your Profile
5–8 years of experience as a Software Engineer
Strong expertise in JavaScript and TypeScript, with deep experience in React
Proven experience building scalable and maintainable frontend applications in production environments
Solid understanding of web performance, accessibility, and responsive design principles
Hands-on experience with testing strategies and tools (e.g., React Testing Library, Playwright)
Experience integrating APIs, ideally with GraphQL and/or REST
Practical experience using AI and agent systems
Ability to take ownership of features from concept to delivery
Structured and analytical way of working with strong problem-solving skills
Strong communication skills and the ability to collaborate with cross-functional teams
Experience mentoring other engineers and contributing to a culture of continuous improvement
Fluency in English
About

📌 Experienced Software Engineer (Madrid)
🏢 Mediamarktsaturn Plattform Services
📍 Madrid