Senior .NET EF Developer - Brussels - Energy Sector ...

Our client is a major European player in the energy transmission sector , operating across multiple countries. The organization plays a critical role in ensuring the reliability, sustainability, and efficiency of electricity supply , supporting the ongoing energy transition and the move toward a carbon-neutral society.

You will join a dynamic environment where innovation, collaboration, and sustainability are at the core. Working alongside internal teams and external consultants, you will contribute to building robust and future-proof energy systems .

Role Overview

As a Senior .NET Developer , you will join existing development teams to support ongoing initiatives and contribute to the delivery of high-quality software solutions.

You will be responsible for developing, maintaining, and improving applications while strictly adhering to internal development standards and best practices.

Key Responsibilities

• Develop and maintain applications using modern .NET technologies
• Ensure high-quality, scalable, and maintainable code delivery
• Collaborate closely with cross-functional teams (developers, analysts, stakeholders)
• Participate in the evolution of system architecture and technical solutions
• Contribute to continuous improvement of development practices

Technical Requirements

Mandatory

• Strong experience with:
• .NET (versions 8–10)
• Entity Framework Core
• SQL Server
• MongoDB
• RabbitMQ

Nice to have

• Experience with:
• Microservices architecture
• Blazor

Soft Skills

• Strong communication and collaboration skills
• Sense of ownership and accountability
• Ability to work autonomously while integrating into a team
• Solution-oriented mindset

Languages

• French or Dutch (professional level) with passive understanding of the other
• Very good command of English

Practical Information

• Location: Brussels
• Work model: Hybrid (2 days onsite / 3 days remote)
• Start: ASAP
• Contract: Full-time

For non-EU candidates:

• Valid work permit for Belgium is required
• Valid residence permit required