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.NET Developer

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ROTTERDAM, Netherlands, NLfull timePosted July 2, 2026via europa.eu

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via EURES (European Labour Authority, europa.eu/eures)

.NET Developer | Hoppinger | Rotterdam & Utrecht | Hoppinger EN NL .NET Developer - Engineering - 32-40 hours We are looking for an experienced .NET developer who treats building and shipping robust software as a craft, and who likes to be at the front when it comes to new technology. Someone with a solid foundation in C#/.NET, who puts quality and maintainability first, and who does not wait for our move toward an AI-first way of working but helps shape it. The focus of this role is development. You write code, build features and solve problems within the platforms we develop for our clients. On top of that, you actively think along about how we make our work and our solutions better with new technology. AI plays a growing role in that, and we are looking for someone who picks up that development with enthusiasm. Growing with Hoppinger We are honest about where we stand. Our platforms for business-critical processes in healthcare, housing, knowledge and education, and industry are built on a solid software foundation, with C#/.NET as an important cornerstone. That foundation remains leading in the years ahead, and that is why we need experienced developers. At the same time, we are growing toward an AI-first way of working. We invest in knowledge, tooling and concrete AI applications within our platforms, and we continuously explore how AI improves our work. For this role, AI is not the main task, but it is a part that keeps growing. We do not expect you to be an expert in it already. We are looking for someone who takes on that transformation, applies it in practice, and wants to grow along as we take that step as an organization. Your role You work in a multidisciplinary team on platforms for our clients. You translate functional requirements into working software, safeguard the quality of what you deliver, and think along about the technical approach. You stand with both feet in the code, and you enjoy innovating where...

How to apply

Online application form,Telephone

Contact: Hoppinger | Tel: +31102210190

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