KAUZA and Worldpanel by Numerator's team (the folks who analyze what people buy) are hiring an App Developer based in Copenhagen, Denmark.
The Goal:
They're building a new platform to give their clients much better and faster insights into consumer shopping habits. Your main job will be to help get this platform launched and then make it work globally.
Role Overview: We are looking for a talented React Native Developer to join our team. You will work closely with pentesters and tools engineers to ensure the app is both secure and insightful, while also driving long-term user engagement.
Key Responsibilities:
Develop and maintain features such as personalized insights and visualizations of spending habits.
Implement secure and smooth login/onboarding experiences.
Create gamification and streak tracking features.
Develop smart product suggestions and reminders.
Build budgeting tools and progress dashboards.
Implement push notifications and local alerts.
Create lightweight social and sharing features.
Develop in-store quick-log and barcode scanning tools.
What We're Looking For:
Full Professional English Proficiency (C1 Level minimum required).
Strong experience in React Native and the Expo ecosystem (iOS & Android).
Familiarity with authentication flows (OAuth, biometrics, token storage).
Experience building data-driven UIs and interactive dashboards.
Comfort with state management (e.g., Redux, Zustand, Jotai).
Good grasp of TypeScript and component architecture.
Experience with local storage solutions (e.g., MMKV, SQLite, or Firestore).
Familiarity with analytics, retention metrics, and push notification systems.
Ability to collaborate effectively with backend, security, and UX teammates.
Bonus: Experience with mobile security, barcode scanning (e.g., ML Kit or react-native-camera), or gamification mechanics.
What you’ll get from us
30 days annual leave
Hybrid & Flexible work schedule
Private Medical Insurance.
Flexible benefits across health, wealth, and lifestyle.
About us
Kauza ApS is a consulting company based in Copenhagen that provides fact-based advisory and shopper insights to players in the FMCG industry in the Nordic market. Kauza’s services are delivered in innovative dashboard solutions powered by cloud technology and machine learning, ensuring that they meet the clients’ key business questions with the right mix of data accessibility and data usability, making it possible to deliver shopper behavior and purchase data in rear real time.
About Worldpanel by Numerator
Worldpanel by Numerator provides consumer data representing nearly 6 billion consumers in 65 countries, offering brands a multi-dimensional view of how people think, how they shop, and how they consumer, so they can set bold strategies and drive sustainable business impact.
Reasonable Adjustments
Worldpanel is committed to offering equal opportunities to all individuals including during the recruitment process. If you require any reasonable adjustments or assistance, please advise us in advance of your interview so that we can make the necessary arrangements.
Why Join Worldpanel?
At Worldpanel we have an integrated way of rewarding our people based around a simple, clear and consistent set of principles. Our approach helps to ensure we are market competitive and also to support a pay for performance culture, where your reward and career progression opportunities are linked to what you deliver.
We go beyond the obvious, using intelligence, passion and creativity to inspire new thinking and shape the world we live in. Apply for a career that’s out of the ordinary and join us.
We want to create an equality of opportunity in a fair and supportive working environment where people feel included, accepted and are allowed to flourish in a space where their mental health and well-being is taken into consideration.
We want to create a more diverse community to expand our talent pool, be locally representative, drive diversity of thinking and better commercial outcomes.
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