Halle (Saale) and Leipzig

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Twinner© Group is looking for a Mobile App Developer (f/m/d) for its Twinner Check product at the locations Leipzig, Halle (Saale) or Budapest.

Twinner© is a deeply disruptive automotive startup. Twinner© produces Digital Twinns© of cars. The quality is so game changing that decisions can be made without ever physically seeing the car. This includes trading, insuring, financing, inspecting, valuating and moving cars. Twinner© brings transparency and trust to automotive transactions. This changes the mechanics of the entire industry. We are widely recognized as industry disruptor (e.g. by PriceWaterhouseCoopers, Digital Insurance Agenda, Galileo (Pro7), Autobild).

Our clients include globally known brands from the automotive ecosystem. We are operating in Europe and are expanding abroad. The Twinner© Group consists of over 150 team members in 4 cities (Halle (Saale), Leipzig, Berlin, Budapest). As in any modern company you will find an empowering, ambitious and dynamic work environment.


  • Guide the development of new features for our Twinner Check companion app and upcoming suite of consumer-facing apps
  • Collaborate with Product Engineering in requirements analysis and specification to make sure we not only build the thing right but also build the right thing
  • Design first-class user experiences and ensure software quality through test automation
  • Participate in product discovery and solution design by building rapid prototypes and helping run experiments
  • Contribute to continuous improvement initiatives and the ongoing optimization of development processes and Agile methodologies


  • 3+ years’ professional experience building cross-platform apps for Android and iOS with Cordova and/or React Native
  • Strong grasp of UI/UX design principles and best practices
  • Excellent communication skills and an analytical, detail-oriented approach to problem solving
  • Collaborative, inclusive attitude; team-oriented
  • Extensive use of version control systems (i.e. Git) and CI tools (Jenkins, GitLab, etc.)
  • Basic understanding of cloud-native application architectures and service providers (Azure, AWS)
  • Studies in Computer Science or comparable qualifications
  • English (fluent), German (optional), Hungarian (optional)


  • Co-create the future of a fast growing and truly disruptive startup
  • Modern and empowering work environment with personal freedom and flexible work policy
  • International colleagues, clients and partners
  • Competitive startup salary
  • Well-funded company with long term vision
  • We are an equal opportunity employer and value diversity in the workplace

Have we sparked your interest? We would love to hear from you!

Twinner Group

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