App Engineer (m/f/d) - onsite in Hamburg or Berlin

We are looking for a App Engineer (m/f/d) for different seniority levels – from Medior, Senior to Principal* – to join our App & Web Team and help build the fastest and most intuitive shopping app using a brand-new tech stack. Our products are visited by over 11 million active users every month, and our goal is to provide a "state of the art" customer-facing shopping experience.

* For the Principal level the salary will be discussed in the interview.

• Development: Build and maintain high-quality mobile applications for iOS and Android using Dart and Flutter
• Collaboration: Work cross-functionally with Product Managers, Designers, and QA to ship new high-impact features
• Architecture: Contribute to architectural decisions, drive technical discussions, and ensure long-term code maintainability
• Innovation: Introduce new technologies, tools, or processes to improve developer productivity and product quality
• Leadership (for Staff/Principal levels): Drive technical alignment across all app teams and act as a primary technical lead reporting to the Director of Engineering

• Experience: You have 4+ years of programming experience (8+ for Principal), including a strong focus on mobile app development
• Tech Stack: Expert-level knowledge of Dart and Flutter is required
• Quality Focus: You write well-structured, efficient code and are experienced with unit/golden tests and CI/CD (e.g., GitHub Actions, fastlane)
• Problem Solving: Excellent analytical skills and the ability to solve complex, non-standard technical problems
• Mindset: High degree of autonomy, ownership, and a team-player attitude

The App & Web Team constantly improves the App, Mobile Website and Desktop Website. These big-scale products are each visited by over several million active users every month. The team’s focus is to provide our customers the most inspiring, convenient, intuitive, and easy-to-use shopping experience.

Benefits

• Hybrid working
• Fresh fruit every day
• Sports courses
• Free access to code.talks
• Exclusive employee discounts
• Free drinks
• Language courses
• Laracast account for free
• Company parties
• Help in the relocation process
• Mobility subsidy
• State-of-the-art technology
• Central Location
• Flexible Working Hours
• Company pension
• Professional training
• Dog-friendly office
• Remote
• AY Academy
• Feedback Culture
• Job Bikes

1. Recruiter Call (approx. 30 minutes)
2. Hiring Manager Call (approx. 30 minutes)
3. Deep Dive (approx. 90 minutes)
4. Vice President Call (approx. 30 minutes)