Staff App Engineer (m/w/d)

ABOUT YOU Germany
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AI Summary

We are looking for a skilled Staff App Engineer to support us in building the fastest & most intuitive shopping app. The ideal candidate will have 8+ years of programming experience, with at least 3 years of native or hybrid App development experience. The role requires expertise in Dart & Flutter, CI/CD experience, and performance optimisation.

Key Highlights
Build and maintain a high-quality mobile application using Flutter
Participate as a solution architect from the very beginning of new projects
Lead by example and set coding standards
Key Responsibilities
Build and maintain a high-quality mobile application using Flutter
Participate as a solution architect from the very beginning of new projects
Lead by example and set coding standards
Gain significant exposure to other teams
Drive technical discussions forward with the team
Contribute to architectural decisions across multiple stacks
Technical Skills Required
Dart Flutter CI/CD Google Play Store App Store fastlane GitHub Actions Unit Tests Golden Tests Firebase Crashlytics Sentry DataDog Figma AI gRPC Firebase Open-source
Benefits & Perks
Hybrid working
Täglich frisches Obst
Freier Zutritt zur code.talks
Exklusive Mitarbeiter Rabatte
Kostenlose Getränke
Sprachkurse
Kostenloser Laracasts Account
Company Events
Relocation Unterstützung
Mobilitätszuschlag
State-of-the-art Technologien
Zentrale Lage
Betriebliche Altersvorsorge
Hunde erlaubt
AY Academy
Feedbackkultur
Firmenfahrrad
Nice to Have
Experience in Web Development
DevOps experience
gRPC experience
Firebase experience
Open-source experience

Job Description


We are currently looking for a skilled Staff App Engineer (m/w/d) with a passion to assume leadership responsibilities to support us in building the fastest & most intuitive shopping app using a brand-new tech stack onsite in Hamburg or Berlin!

The App & Web 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.

  • Flutter

What you will do

  • Build and maintain a high-quality mobile application using Flutter for iOS and Android platforms
  • Participate as a solution architect from the very beginning of new projects; you will not just implement changes but think them through deeply and be responsible for the implementation across all stacks.
  • Gain significant exposure to other teams, such as Shop Backend and Webstacks, to align solutions and drive the tech stack of all teams forward.
  • Drive technical discussions forward with the team and lead architectural alignment.
  • Lead by example and set coding standards, review pull requests and mentor other engineers in the team.
  • Empower the team to deliver mission-critical features in quality & time.
  • Contribute to architectural decisions across multiple stacks.
  • Closely collaborate with Product Managers, Designers, Testers and other stacks (Backend and Web).
  • Introduce new technologies, tools or processes that improve developer productivity and product quality.
  • Debug performance and reliability issues across the stacks

Who you are

  • 8+ years of programming experience, with at least 3 years of native or hybrid App development experience.
  • Expert-level Dart & Flutter knowledge.
  • CI/CD experience – Google Play Store, App Store deployments (fastlane, GitHub Actions or similar)
  • Experience with Unit and Golden Tests.
  • Experience of performance optimisation and profiling (using Flutter DevTools).
  • Mobile native experience – iOS or Android.
  • Experience with monitoring tools – Firebase Crashlytics, Sentry, DataDog etc.
  • Figma knowledge.
  • Experience using AI (e.g. Copilot or Cursor) to speed up coding experience.
  • Experience with Backend development.
  • Mobile automated testing.
  • Excellent problem-solving: You can solve conceptual, non-standard problems and exercise solid judgment based on analyzing multiple sources of information.
  • High autonomy and ownership: You are motivated, take matters into your own hands, and can lead a complex project or process with little oversight from your manager.
  • Strong communicator: You can communicate transparently, honestly, and effectively with both technical and non-technical stakeholders (e.g. Product, Design).
  • Team player: You actively share knowledge, inspire other team members, and aim to fulfill team goals.

Nice to have

  • Experience in Web Development
  • DevOps experience (e.g. CI/CD pipelines, AWS)
  • gRPC experience
  • Firebase experience
  • Open-source experience

Benefits

  • Hybrid working
  • Täglich frisches Obst
  • Freier Zutritt zur code.talks
  • Exklusive Mitarbeiter Rabatte
  • Kostenlose Getränke
  • Sprachkurse
  • Kostenloser Laracasts Account
  • Company Events
  • Relocation Unterstützung
  • Mobilitätszuschlag
  • State-of-the-art Technologien
  • Zentrale Lage
  • Betriebliche Altersvorsorge
  • Hunde erlaubt
  • AY Academy
  • Feedbackkultur
  • Firmenfahrrad

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