Staff App Engineer (m/f/d) - App & Web | Relocation Offered

Staff App Engineer (m/f/d) – App & Web

Hamburg, Germany

About ABOUT YOU

ABOUT YOU is one of the largest online retailers for fashion and lifestyle in Europe and the leading provider of a personalized shopping experience on smartphones, with over 13 million active customers. In the award‑winning ABOUT YOU app and on aboutyou.com, customers across 26 European markets can find inspiration and a range of around 750,000 items from nearly 4,000 brands.

Position

We are currently looking for a skilled Staff 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 11 M 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.

Your qualification

• You have 7+ 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.

Will be a plus

• 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.

What we offer

• Grow together with one of the fastest‑growing eCommerce companies in Europe
• Flexible working times
• Basic relocation package
• Visa services
• Language courses (German & English)
• 40% discount on our online shop
• Fresh fruits + drinks everywhere
• Sponsored Gym Memberships via WellPass
• Subsidized public transportation ticket
• Free choice of hardware and operating system (Mac, Windows, Linux) also for private usage
• State‑of‑the‑art tech stack running on AWS
• Modern office in the city center of Hamburg
• International working environment and English as company language
• Free access to Germany’s greatest developer conference code.talks
• Help in relocation and VISA process

Additional details

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.