Senior .NET Architect — Lead Modernization & Cloud/K8s

SThree_UK

Brussel

Hybrid

EUR 90,000 - 130,000

Full time

2 days ago

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Job summary

SThree_UK in Brussels seeks a Senior .NET Architect to guide architectural decisions across multiple teams and drive modernization across a portfolio of critical applications. You will lead the technical vision, coach Full Stack .NET developers and shape cloud-native transitions.

The role requires 4+ years in .NET architecture, strong enterprise experience, and fluency in English with Dutch or French knowledge. Hybrid work with on-site two days a week in Brussels, long-term assignment.

Qualifications

Minimum 4 years of experience as a .NET Architect.
Strong background in enterprise application architecture.
Experience leading and coaching development teams.
Excellent analytical and communication skills.
Fluent in English and strong knowledge of Dutch or French.

Responsibilities

Define and drive architectural decisions across multiple development teams.
Coach and support experienced Full Stack .NET developers.
Lead modernization initiatives, including migration to .NET 10 and cloud-native architectures.
Help shape the transition towards Kubernetes-based platforms.
Coordinate technical work within Agile/Scrum teams.
Challenge technical and functional decisions to ensure scalable, maintainable solutions.