We're looking for a
Senior .NET Developer
who will take ownership of designing and delivering high-quality, well-tested software solutions for our public sector client in Brussels.
In this role, you'll work closely with solution designers and business stakeholders to translate ideas into effective, reliable applications. This is a role for someone with strong technical expertise, but also the initiative, communication skills, and professional attitude to work both independently and as part of a team.
What You'll Do
* Design, develop, and maintain secure and performant applications using .NET Core and Azure Cloud.
* Build and optimize Web APIs to support business processes.
* Apply best practices for code quality, unit testing, and clean architecture.
* Set up and maintain CI/CD pipelines and containerized deployments.
* Collaborate with stakeholders to understand business needs and translate them into technical solutions.
* Take ownership of complete solutions, from design to delivery, while actively sharing knowledge within the team.
What are we looking for?
Must-have experience:
* 5+ years of professional experience in
.NET development
* 3+ years with
Azure Cloud
* 3+ years with
.NET Core Web API
* Proven expertise in
unit testing
* Fluent in
English (C2)
* Fluent in
Dutch or French (C1)
Preferred skills:
* Deep mastery of the
.NET ecosystem
(LINQ, async/await, security, data structures, design patterns)
* Strong craftsmanship: clean, maintainable, and SOLID code
* Database expertise:
SQL & relational design
* CI/CD with
Azure DevOps
, Docker & Kubernetes
* Proficient with
Git
and versioning strategies
* Clear communicator, collaborative mindset, professional under pressure
What do we offer?
Contract type: Freelance/Perm
Start date: 13 October 2025
End date: 31 August 2027
Location: Brussels – hybrid, minimum 2 days onsite