Senior Platform Developer (Azure/.NET) – Hybrid – Brussels

About the role

We are seeking a Senior Platform Developer to lead the design and implementation of a modern, cloud‑native platform for a large enterprise. Based in Brussels with a hybrid schedule, the role combines hands‑on development with architectural advisory to drive the migration of legacy applications to Azure.

Key responsibilities

• Conduct technical analyses and build proof‑of‑concepts for platform components.
• Design and implement a scalable, cloud‑native platform using Azure services.
• Advise on application modernization strategies and guide migration to Azure Kubernetes Service (AKS) and Azure Container Apps.
• Select and integrate modern SDLC tooling, including GitOps and CI/CD pipelines.
• Collaborate with development and infrastructure teams to ensure a future‑proof architecture.

Required profile

• Senior‑level experience with Azure and .NET Core development.
• Proven ability to provide architectural guidance and act as a trusted technical advisor.
• Fluent in Dutch and English.
• Strong collaborative mindset and focus on quality.

Required skills

• Microsoft Azure (including Azure VMs, AKS, Azure Container Apps)
• .NET Core
• Docker and containerization
• Istio Service Mesh
• ArgoCD & GitOps
• CI/CD pipeline design and implementation

What we offer

• Opportunity to build a new platform team from the ground up.
• Long‑term assignment with a focus on cutting‑edge cloud technologies.
• Hybrid work arrangement (one day onsite per week) in Brussels.