Senior App Engineer (m/f/d) - App & Web

We are currently looking for a skilled Senior App Engineer (m/f/d) - App & Web to support us in building the fastest & most intuitive shopping app using a brand-new tech stack onsite in Hamburg.

The Shop Applications Team constantly improves the App, Mobile Website and Desktop Website. These big-scale products are each visited by over 11M active users every month. The team’s focus is to provide our customers the most inspiring, convenient, intuitive, and easy-to-use shopping experience. They constantly challenge themselves to raise the bar of what is “state of the art” in customer-facing products.

What you will do

• 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.

Who you are

• 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.

Benefits

• Hybrid working
• Fresh fruit every day
• Sports courses
• Exclusive employee discounts
• Free drinks
• Language courses
• Company parties
• Help in the relocation process
• Mobility subsidy
• State-of-the-art technology
• Central Location
• Flexible Working Hours
• Dog-friendly office
• AY Academy
• Feedback Culture
• Job Bikes
• Please find free fruits, drinks and coffee in our lovely Hamburg Office / HQ

YOU ARE THE CORE OF ABOUT YOU.

We take responsibility for creating an inclusive and exceptional environment where all genders, nationalities and ethnicities feel welcomed and accepted exactly as they are. We believe that a diverse workforce essentially contributes to the ABOUT YOU culture. In order to maintain talent and diversity, we emphasize the care for physical health, mental health and overall well-being. Our values and work ethics essentially contribute to our brand mission: empower acceptance and shape an inclusive, fair and circular fashion culture.

We are looking forward to receiving your application – preferably via our online application portal! Thus, we can ensure a faster process and for you it is very easy to upload your application documents. :-)