Back-End Developer

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Senior Back-End Developer

We're looking for a freelance .NET Developer to join our team.

Full-time · Hybrid · Freelance

About the job

We are developing a virtual powerplant to support our client in an energy transition. This virtual powerplant will schedule and steer energy assets (e.g. windparks, solar parks, batteries and conventional power plants) on a near-realtime basis. 

Role and responsibilities

The Back-End Developer holds a wide range of responsibilities which include:
  • Translating business propositions and requirements into high-level designs so they can land on the VPP
  • Working closely with business leads and project manager on the roadmap and planning
  • Collaboration with development teams and product managers to ensure high-level designs are implemented
  • Working closely with the software architect and lead developers to ensure the VPP is developed in a consistent way and meets non-functional requirements
  • Ensures architectural standards are documented, facilitate design decisions and monitors that standards are adhered to


  • Minimum of approximately 10 years of experience

  • Excellent knowledge of C# .NET core, 5.0 features, patterns, and best practices

  • Experience with gRPC, HTTP/1.1 protocol
  • Experience with microservice architectures
  • Experience with event based architectures
  • Familiarity with functional/reactive programming concepts
  • Experience with dev tools Git, Docker

Other requirements

  • Weekly travel to client's HQ in Rotterdam

Apply for the job

Do you want to join our team as our new freelance back-end developer? Then we'd love to hear about you!