You develop and improve our native Android apps with Kotlin as well as web services and APIs with C#, .NET and ASP.NET Core You are implementing new features for our mobile applications and backend services, which our delivery drivers support in order to deliver orders efficiently and reliably to our customers: You develop and connect REST interfaces and ensure reliable data exchange between mobile apps and backend systems You will be involved in technical architecture decisions and develop suitable solutions for interfaces, data flows and integrations together with your team You analyze and improve the performance, stability and viability of our apps and services Ensure the quality of your solutions by automated testing, code reviews, coding standards and continuous technical improvements You work closely with Product Owners, UX, Backend, Operations and other stakeholders and bring your technical perspective into the joint solution finding You support the further development of our development and release processes as well as technical documentation and take responsibility for your own topics

You have successfully completed your studies in Computer Science, Business Informatics or comparable training You bring at least three years of professional experience in software development, ideally focusing on Android or Full-Stack development You have a well-founded knowledge of native Android development with Kotlin, the Android API and common architecture and development concepts You bring comprehensive knowledge in the development of backend applications with C#, .NET and ASP.NET Core as well as in the development and connection of REST APIs with You are safe in handling software architecture, clean code, automated tests and git. Ideally, you have knowledge in Entity Framework Core, relational databases and CI/CD pipelines Experiences with MVVM or Clean Architecture complement your profile. Knowledge of Xamarin or .NET MAUI is advantageous You'll get the chance to work in a self-organized and agile team You have certain knowledge of German and English in word and writing

Work-Life Balance – Make your working day flexible according to your ideas and enjoy the freedom of mobile work Job-Ticket & Business-Bike – This not only makes working time flexible Start-Up features – Enjoy free drinks and the one or other game kicker or table tennis as compensation for work flaschenpost Learning – Create your personal learning journey and expand your know-how through diverse and innovative trainings Buddy Program – Your Flaschenpost-Buddy will help you during the introduction with advice and action Modern technology – We place great emphasis on progress and innovation Team and networking events – Keep fit and get to know your colleagues better at the company sports, games evening and regular table Corporate Benefits – Profit from discounts and offers in online shops and fitness studios Social Responsiveness – blood donations during working hours and thus save lives

We convinced you and you want to actively shape our success? Then we look forward to your application via our online form. .