As a Back-end Engineer, you will develop, deploy and operate high-availability scalable applications that play a critical role in the transition towards a carbon-free sustainable future. You will work in a cross-functional team that is building a platform that will allow Viessmann customers to use their devices in order to support the electrical grid. With this, you will shape and contribute to our vision of living spaces for generations to come. 


  •  Build, test, and deploy applications that will run the algorithms provided by the Data Science team at the core of our operations and the APIs to integrate with third-party platforms and Viessmann devices. 
  • Write high-quality maintainable code following software-development best practices. 
  •  Collaborate closely with every part of the team, from Product Owners to Data Scientists to QA, in order to continuously improve the platform capabilities. 
  • Our existing stack is based on Kubernetes and Azure functions running Python, but we are open to whatever framework and programming language best fit the situation. 

  • 3+ years of professional experience as a Software Engineer developing high-availability scalable Python applications and Kubernetes. 
  • Experience with implementing and testing communication protocols and REST APIs. 
  • Experience in working with database technologies at high scale (SQL, NoSQL). 
  •  Knowledge and hands-on experience with Azure, Docker and Kubernetes. 
  • Exposure to setting up CI/CD systems to improve the speed and quality of shipping code. 
  • Experience with deploying containerised applications and building secure network infrastructure is a plus. 
  • “You build it, you run it” approach: manage services across the entire life-cycle, from development to deployment and monitoring. 
  • You possess a pragmatic and solution-oriented mindset and are able to work independently and as part of a cross-functional fast-paced team in an agile development environment. 
  • You possess good communication skills towards your peer developers and excellent interpersonal skills. 
  • English proficiency is required - good German or Polish skills are an added advantage 

Pakiety i dofinansowania

  • Pakiet medyczny
  • Pakiet medyczny dla rodziny
  • Pakiet sportowy
  • Pakiet sportowy dla rodziny
  • Kursy językowe
  • Konferencje
  • Szkolenia
  • Książki
  • Premie

Udogodnienia w biurze

  • Zimne napoje
  • Gorące napoje
  • Owoce
  • Przekąski
  • Imprezy integracyjne
  • Pokój relaksu
  • Lunche
  • Parking dla samochodów
  • Parking dla rowerów

We are a family business, 100% managed by the Viessmann family.

We work with the mission of changing the world for the better in the face of climate change.

We contribute to the success of Viessmann, we develop proprietary software.

Our applications are market leaders in optimizing energy consumption in homes around the world. We make use of solely modern technologies.

Our applications are dedicated to: 

  • the B2B market for Installers and Service Technicians - enabling remote configuration of Viessmann devices and facilitating the automation of the installation process.
  • the B2C market for End Customers - enabling remote management of Viessmann devices in the home environment (heating - boilers and heat pumps, ventilation, air purifiers, PV systems, power solutions electric cars).

Facts about us:

  • +390 employees
  • over 10 years of experience on the IT market
  • family atmosphere (not a slogan, see for yourself)
  • the app store rating of our apps at 4.7  

Why our R&D Viessmann Center is right place for you?

  • We are our own client - each release is a wonderful feeling.
  • We have a real influence on the choice of technologies we use. All you need to do is to properly justify your choice, and the company will allow you to show yourself off technologically.
  • We care for the environment and a healthy lifestyle - this is what we speak out loud about in our country.