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.
Experience, qualification, and soft skills, have you got everything required to succeed in this opportunity Find out below.
Logistics
* Role: Freelance .NET Developer
* Contract: 12–24 months
* Location: Brussels (Hybrid – 2 days/week on-site)
* Languages: English + French or Dutch
* Start Date: May start
* 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? xphnsxz Get in touch to discuss the role and next steps.