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.
LogisticsRole: Freelance .NET DeveloperContract: 12–24 monthsLocation: Brussels (Hybrid – 2 days/week on-site)Languages: English + French or DutchStart Date: May startRate: €(Competitive & negotiable)
ResponsibilitiesDesign, develop, and maintain backend services using .NET / C#Contribute to greenfield development and modernization initiativesTranslate complex business requirements into scalable technical solutionsBuild and maintain frontend components using Blazor and/or WPFApply clean code practices, testing standards, and collaborative developmentSupport modular, maintainable system architecturesIntegrate solutions into CI/CD pipelines and modern deployment environmentsParticipate in code reviews, agile ceremonies, and technical discussionsCollaborate across teams to ensure end-to-end solution quality
Required Skills5+ years of experience as a .NET DeveloperStrong expertise in C# and the .NET ecosystemHands-on experience with Blazor and/or WPFSolid knowledge of REST APIs and relational databasesExperience with CI/CD tooling and Git-based workflowsFamiliarity with Docker and modern deployment practicesComfortable working autonomously in Agile/Scrum teamsExperience on large, business-critical systems
Nice to HaveExperience in the utilities or energy sectorExposure to legacy modernization or migration projectsKnowledge of Azure or cloud-native environmentsFamiliarity with messaging or event-driven architecturesAwareness of enterprise security and performance considerations
Interested? Get in touch to discuss the role and next steps.