Senior Frontend Engineer (React/TS) for Global Retail

MediaMarkt España; Barcelona; Híbrido; EUR 55.000 - 75.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Discount on MediaMarkt site

Flexible Pay program

Flexible working hours / home office

Office options in Barcelona

Training budget

Language classes

Descripción de la vacante

MediaMarkt España in Barcelona seeks an experienced Frontend Software Engineer to design, develop, and maintain scalable web applications using React and TypeScript. You will work with product, design, and backend teams to deliver high-performing, accessible user interfaces across global experiences.

The role emphasizes performance optimization, testing strategies, and API integration (GraphQL/REST), with opportunities to mentor others and shape frontend architecture.

Formación

• 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

Responsabilidades

• 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 (GraphQL/REST) to deliver seamless user experiences
• Ensure high code quality through testing, debugging, and continuous improvement (e.g., React Testing Library, Playwright)
• Collaborate 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

Conocimientos

React

TypeScript

JavaScript

Web performance

English fluency

Herramientas

GraphQL

REST APIs

React Testing Library

Playwright

Descripción del empleo

MediaMarkt España in Barcelona seeks an experienced Frontend Software Engineer to design, develop, and maintain scalable web applications using React and TypeScript. You will work with product, design, and backend teams to deliver high-performing, accessible user interfaces across global experiences.

The role emphasizes performance optimization, testing strategies, and API integration (GraphQL/REST), with opportunities to mentor others and shape frontend architecture.