(Senior) .Net Developer

At Vattenfall we dont just do energy we exist to help our customers power their lives in ever climate smarter ways and free from fossil fuel within one generation. We are one of Europes leading energy companies with trading activities in the global energy markets. Our Power & Gas business is expanding and our IT landscape supporting that has a growing need for the fittest solutions.

Technology cannot tackle the climate change. People who know technology can.

We are looking for the brightest IT minds that want to join us in our journey towards fossil freedom in this case a (Senior) .Net Developer in our Power & Gas Solutions Team. You will guide the development of the current Tech Stack future applications and overall automation and processes.

The team you can join works closely with business our Power & Gas traders and takes the leading role in supplying custom developed solutions.

What will you do 
You and your team colleagues are developing software solutions using latest technologies and methodologies to nurture business development while staying compliant with our software architectural and security guidelines. Your largest business stakeholder is the Trading floor.

Your tasks and responsibilities: 

• Developing maintaining and operating applications within the Gas Logistics Team together with the Development Team Product Owner Business Analysts and neighboring IT teams. 
• Developing of new functionalities in our IT Landscape applications for Vattenfall
• Taking responsibility for full application life cycle: building testing running and monitoring the IT service landscape to enable gas trading processes and interaction with the respective markets in Europe (and other continents).
• Completing full-stack application development exploring latest technologies and being always up to date in the field of application development within an agile framework.
• Creating standardized interfaces connection to other applications and the visualization towards the customer.
• Connecting with our business stakeholder understand their requirements and processes for specific use cases

Qualifications :

Who are you 

Are you triggered by cutting edge technology and innovations Perfect. We are looking for someone with an enthusiastic open mind that has great willingness to explore and learn.

As our (Senior) .Net Developer you will bring:

• Relevant experience as Software Developer Software Engineer or a similar role.
• Several years experience with
  •  .NET 8 .NET Framework C# EF Core Typescript Azure
• Good experience with:
  • Angular Visual Studio Visual Studio Code Git GitFlowGitHub Copilot
  • SQL Server Azure SQL PostgreSQL Cosmos DB (NoSQL PostgreSQL)
  • REST APIs Swagger Postman
  • Infrastructure as Code (Terraform) Helm Docker Kubernetes
  • Azure Service Bus Event Hub Kafka Event-driven architecture Azure Entra ID (App Registrations Enterprise Applications) App Configuration Key Vault Blob Storage App Services Azure DevOps pipelines
  • xUnit or NUnit mocking frameworks like Moq
• Clean Code mindset with understanding of SOLID principles and architectural patterns
• Motivation to constantly work on improving our technical development standards and architectural standards
• Implement and maintain automated testing frameworks
• High agile mindset and experience in agile teams. Open knowledge sharing approach
• Knowledge of the energy sector especially gas trading is a plus.
• Fluent English skills (written and spoken).

Additional Information :

Benefits

Your development is a priority at Vattenfall BA Markets. Your professional journey will benefit from working in the exciting industry of energy trading and in interdisciplinary teams. To support your career we offer opportunities to grow through training job rotations talent programs and a working environment that stimulates learning.

Our work culture at Vattenfall is excellent. We have an open corporate culture with flat hierarchies. Modern and flexible working conditions including mobile work promote wellbeing. In Germany our work week consists of 37.5 hours with in many cases the possibility to work part-time. Up to 49% of your working time can be mobile work and you are entitled to 30 days of vacation per year.

Your health is important to us. We provide several health programs and support throughout potentially challenging life situations.

Your colleagues will be another highlight. We employ inspiring people with diverse backgrounds. Together with our culture and your tasks they form an interesting and fun place to work.

You can find our new state of the art office next to Elbbrcken.

More information 
We welcome your application in English no later than 20th of August 2025. We kindly request that you do not send applications by any means other than via our website as we cannot guarantee that we will be able to process applications that are not made via our website. 

For more information about the recruitment process you are welcome to contact our Recruiter Jil Ungethm via phone at. 

At Vattenfall we are convinced that diversity contributes to build a more profitable and attractive company and we strive to be good role model regarding diversity. Vattenfall works actively for all employees to have the same opportunities and rights regardless of gender ethnicity age transgender identity or expression religion or other belief disability or sexual orientation.

The security of Vattenfall and its employees is essential. For that reason a pre-employment screening will be part of your recruitment process. The screening is based on the role you will fulfill within Vattenfall. The screening will be performed by a third party called DISA. In addition a certificate of good conduct (i.e. criminal record certificate) is required for certain positions.
 

We look forward to receiving your application! 

Remote Work :

No

Employment Type :

Full-time