We are supporting a major utilities partner on several business-critical digital initiatives, including core system modernization and the evolution of customer- and operator-facing platforms. We are looking for an experienced
.NET Developer
with a strong understanding of Microsoft frontend technologies to join a long-term delivery environment.
Logistics Role:
Freelance .NET Developer Contract:
12–24 months Location:
Brussels (Hybrid – 2 days/week on-site) Languages:
English + French or Dutch Start Date:
ASAP / Flexible Rate:
€(Competitive & negotiable)
Responsibilities Design, develop, and maintain backend services using
.NET / C# Contribute to greenfield development and modernization initiatives Translate complex business requirements into scalable technical solutions Build and maintain frontend components using
Blazor
and/or
WPF Apply clean code practices, testing standards, and collaborative development Support modular, maintainable system architectures Integrate solutions into CI/CD pipelines and modern deployment environments Participate in code reviews, agile ceremonies, and technical discussions Collaborate across teams to ensure end-to-end solution quality
Required Skills 5+ years of experience as a
.NET Developer Strong expertise in
C# and the .NET ecosystem Hands-on experience with
Blazor and/or WPF Solid knowledge of REST APIs and relational databases Experience with CI/CD tooling and Git-based workflows Familiarity with Docker and modern deployment practices Comfortable working autonomously in Agile/Scrum teams Experience on large, business-critical systems
Nice to Have Experience in the
utilities or energy sector Exposure to legacy modernization or migration projects Knowledge of
Azure
or cloud-native environments Familiarity with messaging or event-driven architectures Awareness of enterprise security and performance considerations
Interested?
Get in touch to discuss the role and next steps.