Senior Frontend Engineer - Backoffice & Payments

MediaMarktSaturn Plattform Services GmbH; Barcelona; Hybrid; EUR 90,000 - 130,000; Full time

Benefits offered by this job

Young environment

MediaMarkt discount

MediaFlex program

Flexible working

Office options: Barcelona HQ / Pier01

Visa assistance

Training budget

Language classes

Birthday off

Cutting-edge tech stack

Job summary

MediaMarktSaturn Plattform Services GmbH in Barcelona is seeking a Software Engineer with a strong frontend focus to drive the Backoffice Application Stack used by internal product teams.

You will own frontend features, integrate with REST/GraphQL backends, review code, and guide other teams while advancing scalable frontend solutions. The role offers hybrid work, access to cutting-edge technology, and a collaborative, international environment.

Qualifications

• Builds and maintains production-ready web applications using modern frontend frameworks.
• Designs reusable UI components and contributes to shared libraries and design systems.
• Integrates APIs (REST/GraphQL) and ensures application state consistency and performance.
• Applies accessibility, testing, and performance optimization best practices with minimal supervision.
• Plans and implements features based on user stories and technical requirements.
• Collaborates across frontend, backend, and design teams to align architectural and design decisions.
• Supports sprint planning, estimation, and refinement sessions with accurate input.
• Contributes to deployment, release, and monitoring workflows.
• Mentors other engineers and supports onboarding of new team members.
• Contributes to continuous improvement of frontend architecture, tooling, and documentation.
• Leads platform delivery end-to-end, from concept to production.

Responsibilities

• Develop new features for the backoffice on given requirements and user needs.
• Integrating our graphical user interfaces with the backend service landscape of Payment & Basket.
• Working closely with technical product owner and engineers on scalable frontend solutions.
• Conduct code reviews, debugging, and troubleshooting to ensure high-quality code.

Skills

Frontend development

Modern frontend frameworks

API integration

Accessibility

Testing

Performance optimization

Mentoring

Cross-functional collaboration

Tools

REST/GraphQL

Design systems

Job description

MediaMarktSaturn Plattform Services GmbH in Barcelona is seeking a Software Engineer with a strong frontend focus to drive the Backoffice Application Stack used by internal product teams.

You will own frontend features, integrate with REST/GraphQL backends, review code, and guide other teams while advancing scalable frontend solutions. The role offers hybrid work, access to cutting-edge technology, and a collaborative, international environment.