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Staff App Engineer - Discovery & Consideration (all genders)

ABOUT YOU SE & Co. KG · Hamburg or Berlin, DE

Hamburg or Berlin, DE · On-siteFull-TimePosted Sep 3, 2026

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Job description

  • Build and maintain our high-quality mobile application for iOS and Android using Flutter

  • Contribute to architectural decisions and set coding standards for the team

  • Work closely with Product Managers, Designers, Testers, and other teams (Backend and Web) in a cross-stack environment

  • Introduce new technologies, tools, or processes that improve developer productivity and product quality

  • Debug performance and reliability issues across the stack

  • You have 4+ years of programming experience, including at least a year of app development. A Bachelor's degree in Computer Science or a similar technical degree is a plus, but we prioritize skill

  • You have expert-level knowledge of Dart and Flutter. You're experienced with CI/CD (e.g., fastlane, GitHub Actions) and unit and golden tests. You also have a strong understanding of performance optimization and profiling

  • You have strong ownership, self-drive, and leadership skills. You are a team player with excellent communication and problem-solving abilities

Nice to have

  • Mobile native experience (iOS and/or Android) or mobile automated testing

  • Experience with gRPC, Firebase, and monitoring tools like Sentry or DataDog

  • Figma knowledge and open-source experience

Your perks at a glance: Visit our benefits page.

Simply apply online via our career page - we will get back to you as soon as possible!

A Place Where You Can Be You

We take it as our responsibility to create an environment where everyone feels welcome, exactly as they are.

Different backgrounds and perspectives make us stronger and shape our culture in ways that matter.

What we stand for internally, we stand for as a brand: acceptance, inclusion, and a fairer approach to fashion.

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