Share this Job

Senior Application Developer (Software Architect) - .Net / Backend m/f/t



RWE Supply & Trading GmbH, Essen, Germany (DE) 

To start as soon as possible, Full time, Permanent


Your future plans


  • Be part of the team that is responsible for all customer facing IT systems
  • Interact closely with business (e.g. traders and portfolio managers) to understand new requirements, evaluate options and implement solutions
  • Communicate progress transparent to stakeholders, end users and to the team
  • Contribute to building quality software by using your knowledge to implement great-looking, event-driven and highly interactive interfaces
  • Keep up to date with the developments in technology and quickly adapt to them to achieve better results
  • Work in a DevOps model and take responsibility for business-critical applications in the External Customer IT area.
  • Occasional application 24x7 support on a call out basis


Your powerful skills

  • Extensive C# (.net/ .net core) development experience, gained while building systems and backend services (e.g. with WebAPI/REST, SignalR/Websocket or gRPC endpoints)
  • Expert knowledge about Modelling standards (e.g. UML2, BPMN) and common software architectures and design patterns
  • Extensive experience with functional and event based programming (Reactive Extensions)
  • Extensive experience with Test driven development (e.g. with NSubstitute, NUnit, Specflow)
  • Extensive experience with entity framework and relational databases (e.g. Oracle or PosgreSQL)
  • Operational experience with cloud and container technologies (e.g. AWS, Kubernetes, Docker)
  • Very strong communication and team working skills
  • Very high motivation to learn, grow and also develop others

Benefits you can rely on

  • Work for one of Europe’s leading energy trading houses
  • You will be working in one of the most interesting business contexts: a mixture of energy supply, trading and of course IT
  • You don’t need to know it all – we offer comprehensive on the job learning as well as support from internal experts to develop your existing skills even further
  • Working in an agile team on things that matter
  • Opportunity to grow into multiple directions such as e.g. application development, business analysis
  • Benefits package (including e.g. cantina, company health centre, company child care, flexible working times etc.)



Apply now with just a few clicks: ad code 23113

Any questions? Christina Beatrix Hoppe (Recruiting), T: +49 201 5179-3257Rüdiger Weritz (specialist department), T: +49 201 5179-2271

We look forward to meeting you!


We value diversity and therefore welcome all applications, irrespective of gender, disability, nationality, ethnic and social background, religion and beliefs, age or sexual orientation and identity.

Of course, you can find us on LinkedIn, Facebook, Twitter and Xing, too.