Senior.NET Architect — Lead Modernization

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,...

Atelier Informatique is seeking an experienced .NET Architect to lead the technical design and modernization of a complex portfolio. You will guide architecture decisions, migrate services to .NET 10, and plan a Kubernetes adoption path for the coming years. You will manage senior Full Stack .NET developers working on micro-services, integrate an existing...

Xintas is seeking a Senior .NET Architect to technically lead a diverse portfolio across domains. The architect will support and drive the technical direction, guiding experienced developers and ensuring robust architecture designs while modernizing legacy systems. Key focus areas include Blazor frontend, microservices, and migrating services to .NET 10,...

Atos is seeking a Senior .NET Architect / Technical Lead in a hybrid model (2 days onsite, 3 days remote) in Brussels. You will provide architectural leadership across complex applications, drive modernization toward .NET 10, and guide teams through modern microservices patterns and Kubernetes readiness. Ideal candidates have 4+ years of experience, strong...

Atos is seeking a Senior .NET Architect / Technical Lead in a hybrid model (2 days onsite, 3 days remote) in Brussels. You will provide architectural leadership across complex applications, drive modernization toward .NET 10, and guide teams through modern microservices patterns and Kubernetes readiness. Ideal candidates have 4+ years of experience, strong...

Triglav Digital seeks a senior IT professional in Brussels to lead reverse-engineering and documentation of a legacy marketing automation stack built on Selligent Campaign. You will analyze C#, .NET, and SQL Server components, map dependencies, and help define modernization requirements. The role emphasizes strong problem solving, documentation, and...

Connect People Sprl in Brussels is seeking a senior .NET Architect to lead the technical direction of a complex portfolio. You will collaborate with experienced developers, design high level architecture, and guide migration toward modern services. You will champion Blazor frontends, microservices, and deployment on Kubernetes in the near future, while...

Innova Solutions in Belgium is seeking a Senior .NET Architect to lead architecture, modernization, and governance of a portfolio of enterprise applications. You will shape target architectures, mentor teams, and drive large-scale modernization using modern Microsoft technologies. The role demands hands-on leadership, strong communication with stakeholders,...

Triglav Digital seeks a senior IT professional in Brussels to lead reverse-engineering and documentation of a legacy marketing automation stack built on Selligent Campaign. You will analyze C#, .NET, and SQL Server components, map dependencies, and help define modernization requirements. The role emphasizes strong problem solving, documentation, and...