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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.

Senior Software Engineer (m/f/d) Advanced HVAC Functions & Algorithms


  • You will develop novel functions for Vaillant heating systems in the environment of our IoT solution to offer our customers maximum comfort and energy efficiency
  • Together with the development team you will take "end to end" responsibility for feature delivery. You design the software architecture and accompany the implementation of the required components (frontend, backend, embedded)
  • You will develop novel functions for the optimized control of our heating systems based on the analysis of existing data and the implementation of intelligent control algorithms using modern technologies (e.g. machine learning)
  • You will deploy the developed components on our Kubernetes cluster and automate the operation of the software components in our MS Azure cloud
  • As part of a cross-functional, self-managed team, you will design and implement the software architecture together with the platform architects


  • You have several years of professional experience in software development, preferably with the languages Java, with current frameworks (Spring Boot, Quarkus, or similar), and Python
  • You have a completed (Master or equivalent) quantitative degree (e.g. computer science, electrical engineering, physics, mathematics) and experience in the analysis of complex and large data sets
  • Ideally, you already have "hands on" experience using Machine Learning, e.g. with scikit-learn and tensorflow, or can quickly and effectively learn the ropes here
  • You are experienced with working in agile project teams (SCRUM) and ideally also know the area of conflict between agile and classic project procedures from your own experience
  • You speak very good German and English
  • You have the desire to help shape Vaillant's digital future and exceed our customers' expectations


  • 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.


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