Interim Medior Full Stack C# Developer - Amersfoort
ITproposalNetherlands12 days ago
TemporaryRemote FriendlyEngineering, Information Technology
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Interim Medior Full Stack C# Developer – Help drive the Energy Transition!
Amersfoort / Hybrid | 32–40 hours | Energy Market | Start: 15 Sep | Duration: 12 months (until 31/08/2026) | Secondment only
Do you want to work at the heart of the energy transition? Join us in developing solutions that support a more sustainable and reliable energy market in the Netherlands.
🌍 About the Team
You’ll be part of the CODE team within the Agile Release Train (ASAP), focused on central facilitation of sector interactions and tackling energy theft. The CODE platform enables grid operators to build secure and reliable files on energy theft — already used by major operators and soon to be adopted by smaller ones. It’s a high-impact, sensitive platform that is continuously evolving with new features and enhancements.
What you’ll do
As a Full Stack Developer, you will:
Amersfoort / Hybrid | 32–40 hours | Energy Market | Start: 15 Sep | Duration: 12 months (until 31/08/2026) | Secondment only
Do you want to work at the heart of the energy transition? Join us in developing solutions that support a more sustainable and reliable energy market in the Netherlands.
🌍 About the Team
You’ll be part of the CODE team within the Agile Release Train (ASAP), focused on central facilitation of sector interactions and tackling energy theft. The CODE platform enables grid operators to build secure and reliable files on energy theft — already used by major operators and soon to be adopted by smaller ones. It’s a high-impact, sensitive platform that is continuously evolving with new features and enhancements.
What you’ll do
As a Full Stack Developer, you will:
- Develop and maintain new and existing features within a DevOps team.
- Collaborate closely with team members to meet objectives.
- Work with both backend (C#, ASP.NET Core, Azure) and frontend (React) technologies.
- Contribute to CI/CD pipeline setup, testing, and deployments.
- Ensure high-quality, scalable, and secure solutions.
- 5+ years of experience in a similar Full Stack role (must).
- Proven experience with C#, ASP.NET Core, Azure Functions.
- Strong knowledge of React and related front-end frameworks.
- Experience with Azure infrastructure & Azure DevOps deployments.
- Hands-on with CI/CD pipelines, traceability, and version management.
- Understanding and application of RESTful principles.
- Experience writing unit and integration tests (Xunit/Nunit, mocking frameworks).
- Bonus: Experience with Control Framework & Microsoft Dynamics.
- HBO-level working and thinking ability in Business/IT.
- Fluent Dutch communication skills (professional level).
- Independent, professional, and quality-driven.
- Analytical thinker with strong problem-solving skills.
- Flexible, adaptable, and eager to learn.
- A true team player and knowledge sharer.
- Hybrid working: At least once a week in Amersfoort (Tuesdays), rest remote.
- Tools: Slack / Teams, Windows laptop provided.
- Offices: Flex desks, hot coffee & cold soft drinks waiting for you.
Key Skills
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