Senior Software Engineer / Lounge by Zalando (all genders)

As a Senior Software Engineer – Frontend in Lounge Platform Essentials, you will shape the customer experience of Zalando Lounge for millions of members across Europe. You will be responsible for key client-facing parts including the Product Details Page, Size and Fit, and My Account. The role involves building accessible, performant, and reliable user interfaces with TypeScript and React.

• Take technical ownership of customer-facing frontend experiences, including the Product Details Page, Size and Fit, and My Account.
• Design, build, test, release, and continuously improve frontend applications that help customers discover products and shop with confidence.
• Partner with product managers, product designers, backend engineers, and other stakeholders to translate customer needs into clear, scalable technical solutions.
• Build accessible, performant, resilient, and maintainable user interfaces that work reliably across customer journeys.
• Help shape frontend architecture, engineering standards, and development practices, balancing near-term delivery with sustainable long-term solutions.
• Support other engineers through constructive code reviews, pairing, knowledge sharing, and technical guidance.

• You have demonstrated experience building and maintaining production frontend applications with TypeScript and a modern frontend framework, such as React.
• You are experienced in designing customer-facing user interfaces that are accessible, performant, and reliable.
• You are comfortable working with APIs and collaborating closely with backend engineers to build complete product experiences.
• You use automated testing to deliver high-quality software and can make pragmatic decisions about quality, scope, and delivery.
• You enjoy working in cross-functional teams and can communicate technical trade-offs clearly to different audiences.
• You have experience guiding other engineers and contributing to technical direction in a collaborative environment.