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Having a global team of 15,000 colleagues and more than 70 nationalities. And enabling many of them to work flexibly when needed.
Both count. Both are us.

IoT Software Developer (m/f/d)


  • You create new functions in the IoT environment and are responsible for the development of software based on microservices plus serverless functions in our Azure Cloud
  • You design and develop interfaces in collaboration with other systems 
  • You evaluate, provision, and maintain infrastructure components using Terraform
  • You work with modern technology stacks (Kubernetes, AKS, Stream Processing, Apache Kafka, MongoDB, Okta and CI/CD, Azure DevOps, Azure Functions, Bitbucket, etc.)
  • As part of a cross-functional, self-managed team, you also design the software architecture together with the architects and implement it in the existing components
  • You plan the sprint together with the scrum team by breaking down user stories from the product owner into tasks and adding them to the sprint backlog
  • As part of a Scrum team, you regularly participate in the elementary events
  • You support the Product Owner in breaking down Epics into User Stories in regular Refinement Meetings


  • You are well-versed in the components plus technologies based on Java and Spring Boot that are used in the environment of automated tests
  • You are interested in IoT systems and want to deal with software and possibly hardware in a professional plus technical way 
  • You have several years of project-related experience in companies, universities or open-source communities 
  • You bring knowledge of modern development methodologies and tools, as well as continuous integration and automated testing
  • You have Scrum experience in an agile project environment and enjoy working with other developers (mob/pair programming) 
  • You have good English and German language skills 
  • You drive our digital future with teamwork and intercultural skills


  • We are part of the solution. Our highly efficient, environmentally friendly technologies conserve resources and reduce CO2 emissions in the long term
  • Each employee organizes his hours individually in coordination with his colleagues. This allows family and career to be flexibly coordinated
  • Our professionals are trained in soft and social skills and in this way prepared for the next career level
  • We value teamwork and a good togetherness


Tobias Weber

+49 2191 182 401


Vaillant Group

Company:  Vaillant GmbH
City:  Remscheid
Country:  Germany

The Vaillant Group is a global market and technology leader in the fields of heating, ventilation and air-conditioning technology. Join our team of 15,000 colleagues from more than 70 countries who work every day for a better climate – for people at home and the environment. We work on large-scale, innovative and strategic projects. With small, everyday gestures so that we can all play our part. Act global, work global. And become part of a global team. We sell our products in around 60 countries, using ten production and development sites in six European countries, as well as China.

Working for us makes you responsible for the future – your own, and that of our planet. We can offer you excellent conditions.


Since we work climate-neutrally, we can only process online applications. Let's save the climate together and avoid paper applications.