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App/Frontend Developer

World's leading data, insights, and consulting company that shapes brands by understanding people globally.
Copenhagen, Denmark
Frontend
Mid-Level Software Engineer
Hybrid
5,000+ Employees
3+ years of experience
Enterprise SaaS · Consumer

Description For App/Frontend Developer

Kantar, the world's leading data and insights company, is seeking an App/Frontend Developer to join their Worldpanel team in Copenhagen. This role is crucial in building a new platform that will revolutionize how clients access consumer shopping insights. The position focuses on developing with React Native and React, creating engaging user experiences through personalized insights, visualizations, and interactive features.

The role combines technical expertise with business impact, as you'll be working on a platform that helps brands and retailers understand consumer behavior globally. You'll be part of a collaborative environment, working alongside security, backend, and UX teams to deliver a robust and user-friendly application.

The ideal candidate should have strong experience with React Native, Expo ecosystem, and modern frontend technologies. Knowledge of TypeScript, state management, and authentication flows is essential. The position offers an excellent opportunity to work with large-scale data visualization and analytics while maintaining high security standards.

Benefits include generous vacation time, flexible working arrangements, comprehensive health insurance, and various lifestyle benefits. Kantar promotes an inclusive culture and values diversity, making it an attractive workplace for professionals seeking work-life balance and career growth.

The company's commitment to understanding consumer behavior and shaping brands of tomorrow makes this an exciting opportunity for developers who want to make a real impact in the global retail and consumer insights space.

Last updated 9 hours ago

Responsibilities For App/Frontend Developer

  • Develop and maintain features such as personalized insights and visualizations of spending habits
  • Implement push notifications and local alerts
  • Create lightweight social and sharing features
  • Collaborate with backend, security, and UX teammates to deliver a flawless user experience

Requirements For App/Frontend Developer

React
TypeScript
  • 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

Benefits For App/Frontend Developer

Medical Insurance
Dental Insurance
Vision Insurance
  • 30 days annual leave
  • Hybrid & Flexible work schedule
  • Private Medical Insurance
  • Flexible benefits across health, wealth, and lifestyle

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