R&D Viessmann Climate Solutions PL

We are looking for an experienced Cloud Backend Developer to join our team and work on the middle layer of our IoT platform. This is a microservice-based backend, hosted in Microsoft Azure, utilizing various IaaS, PaaS, and SaaS services developed in C#.

Your responsibilities

  • Develop cloud-based applications using C#, .NET, Kubernetes, and Service Bus.
  • Design and implement database models (NoSQL/Microsoft SQL Server).
  • Set up API integrations with various third-party services.
  • Automate deployments using CI/CD best practices.
  • Ensure adequate test coverage, including unit and integration tests.
  • Consistently deliver high-quality work on time, both independently and as part of a team.

  • Cloud implementations expertise in C# (MS Azure experience is preferred).
  • Strong understanding of microservice architecture, design patterns, and REST principles.
  • Hands-on experience with DevOps practices (version control, branching, merging).
  • Experience with Microsoft technologies, including Azure (Kubernetes, Service Bus/Queueing like RabbitMQ, Cosmos DB, BLOB storage, MS SQL, Entity Framework Core).
  • Working knowledge of Agile methodologies and CI/CD pipelines.
  • Strong analytical skills with experience in requirements-based software design and development.
  • Proven expertise in bug analysis and resolution.
  • Experience with modern software development tools, SDKs and IDEs.
  • Solid understanding of testing practices to ensure software quality and stability.
  • Experience with (micro)services development as part of an end-to-end edge-cloud system.
  • Experience working in cross-functional and international teams.
  • Fluent in both written and spoken English.

What we appreciate

  • Experience with frontend development (Blazor/React).
  • Cloud-based monitoring and logging experience.
  • German language skills.

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

Founded in 1917 as a heating technology manufacturer, and now part of Carrier, today we are one of the world’s leading providers of efficient climate (heating, water and air quality) and renewable energy solutions. Creating living spaces for generations to come – this is the responsibility that we take on every day together with our (trade) partners.

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:

  • +450 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 Climate Solutions 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.