Our mobile team is focused to deliver the highest quality applications for Android and iOS platforms. The team develops and maintained the application for B2B customers - product installers and Viessmann partners. It is used to pre-launch devices and connect them to the cloud via a mobile device (bypassing the interface found on the product), enables initial configuration, supports subsequent service actions and provides post-installation support for installers. It helps to review service parameters and allows service technicians to control the operation of equipment. 


  • Deep knowledge of Swift, and development in the iOS Platform. 
  • Deep knowledge in XCUITest 
  • Practice in tools like Jira TestFLO 
  • Experience with writing Unit Tests (knowledge of Quick/Nimble would be a plus) 
  • Familiarity with Continuous Integration like Team City, Fastlane, Jenkins, 
  • Communicative in English, written and spoken 
  • Ability to solve problems 
  • Passion to work and motivation 

Packages and extras

  • Healthcare package
  • Healthcare package for families
  • Leisure package
  • Leisure package for families
  • Language courses
  • Conferences
  • Trainings
  • Books
  • Financial bonus


  • Cold beverages
  • Hot beverages
  • Fruits
  • Snacks
  • Integration events
  • Chill room
  • Lunches
  • Car parking
  • Bicycle parking

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.