> Markdown version of [/jobs/ext/1967744-software-engineer-webshop](https://www.wearedevelopers.com/jobs/ext/1967744-software-engineer-webshop). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software Engineer - Webshop - **Company:** Mediamarktsaturn Technology - **Location:** Barcelona, Spain - **Contract:** Permanent contract - **Skills:** Clean Code Principles, Application Programming Interfaces (APIs), Artificial Intelligence, Application Integration Architecture, Software Debugging, Strategies of Testing, TypeScript, Web Performance Optimization, ReactJS, Backend, Playwright, Data Analytics, Graphql, Front End Software Development, React Testing Library - **Published:** August 7, 2026 - **Apply:** https://www.jobleads.com/es/job/e3486786636f941ac539caa667511b264 ## About the Role * 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 ## Description * 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 ## Related Videos - [Watch Tests Go Brrrr! : Getting Started with Cypress in ReactJS](https://www.wearedevelopers.com/videos/282-watch-tests-go-brrrr-getting-started-with-cypress-in-reactjs) - [But, you're not Facebook](https://www.wearedevelopers.com/videos/378-but-you-re-not-facebook) - [Putting the Graph In GraphQL With The Neo4j GraphQL Library](https://www.wearedevelopers.com/videos/257-putting-the-graph-in-graphql-with-the-neo4j-graphql-library) - [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock) - [Meet Your New BFF: Backend to Frontend without the Duct Tape](https://www.wearedevelopers.com/videos/682-meet-your-new-bff-backend-to-frontend-without-the-duct-tape) - [Building the Right Product and Building It Right: A Glimpse into Extreme Programming, Atomic Design ](https://www.wearedevelopers.com/videos/398-building-the-right-product-and-building-it-right-a-glimpse-into-extreme-programming-atomic-design) ## Related Articles - [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers) - [Dev Digest 133 - Back to Front](https://www.wearedevelopers.com/magazine/474-dev-digest-133-back-to-front) - [16 Best Free React UI Libraries in 2025](https://www.wearedevelopers.com/magazine/148-16-best-free-react-ui-libraries-in-2025) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [Where To Find Software Engineering Jobs](https://www.wearedevelopers.com/magazine/396-where-to-find-software-engineering-jobs)