Senior Frontend Engineer – React + TypeScript (Global Webshop)

Tamarind Intelligence; Barcelona; Híbrido; EUR 60.000 - 86.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Young environment

MediaMarkt discount on website

MediaFlex program

Flexible working hours

Fridays & summer intensive workdays

Two offices: HQ Barcelona and Pier01,バ

Descripción de la vacante

MediaMarktSaturn Technology is seeking a Senior Frontend Software Engineer to design, develop, and maintain scalable web applications using React and TypeScript. You will build reusable UI components, optimize performance, and collaborate with product, design, and backend teams across multiple workstreams.

You will work in a hybrid setup from our Barcelona Tech Hub, with opportunities to mentor engineers and shape a culture of continuous improvement in a fast-paced environment.

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 frontend applications in production.
• 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 and engineering best practices.

Conocimientos

JavaScript

TypeScript

React

GraphQL

REST

Testing

AI & agent systems

Ownership

Communication

English fluency

Herramientas

React Testing Library

Playwright

Descripción del empleo

MediaMarktSaturn Technology is seeking a Senior Frontend Software Engineer to design, develop, and maintain scalable web applications using React and TypeScript. You will build reusable UI components, optimize performance, and collaborate with product, design, and backend teams across multiple workstreams.

You will work in a hybrid setup from our Barcelona Tech Hub, with opportunities to mentor engineers and shape a culture of continuous improvement in a fast-paced environment.