Senior .NET Developer WPF - Brussels - Energy Sector - ASAP Start - Freelance / CDI
AlterSolutions
Posted: April 17, 2026
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Quick Summary
Contribute to a large-scale project in the European energy sector, playing a key role in ensuring a reliable, sustainable, and future-proof electricity supply system.
Required Skills
Job Description
Interested in contributing to a large-scale project for a major player in the European energy sector?
The European energy landscape is evolving rapidly. This mission takes place within a leading transmission system operator operating in Belgium and Germany, playing a key role in ensuring a reliable, sustainable, and future‑proof electricity supply.
Working alongside internal teams and other contingent workers, you will contribute to the development of a green, reliable energy infrastructure that supports economic growth while reducing environmental impact. Collaboration, diversity, and inclusion are central values, fostering innovation and high‑quality outcomes.
The client is looking for a Senior .NET Developer to support ongoing initiatives within existing development teams.
Requirements
Must-have
• .NET
• WPF
• SQL Server
• Strong knowledge of MVVM
• Strong knowledge of Microservices architecture
• Strong knowledge of REST APIs
Nice-to-have
• DAPR
• RabbitMQ
• MongoDB
Languages
• French with passive knowledge of Dutch, or
• Dutch with passive knowledge of French
• English
Practical Information
• Work regime: Full-time
• Location: Brussels (on-site) + remote work (up to 3 days/week)
• Work authorization:• For non‑EU candidates working in Belgium:• Valid Belgian work permit
• Valid residence permit