Senior .NET Developer WPF - Brussels - Energy Sector - ASAP Start - Freelance / CDI

Company 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.

Job Description

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

Qualifications

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