Senior .NET Architect — Modernization

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...

Consort Group is seeking a Senior .NET Architect to provide architectural leadership across a portfolio of Full Stack .NET microservices products with Blazor frontend. You will guide development teams on architectural decisions and drive modernization efforts, including migration to .NET 10 and future Kubernetes adoption.The role requires strong English,...

Inetum in Belgium (Brussels region) seeks a Senior .NET Technical Developer with a strong architectural background who enjoys hands-on development. You will shape the evolution of a large-scale internal platform, driving modernization and architectural improvements while remaining actively involved in coding.You will collaborate with business 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...

Hive-X is looking for an experienced Application Architect/Senior .NET Developer to enhance the internally developed e-desk for the Department of Care in Belgium. The role involves developing high-level designs, supporting developers, and ensuring software quality. Candidates should have extensive full-stack .NET experience, knowledge of ASP.NET MVC, .NET...

SmartRecruiters, Inc. is seeking an experienced Senior .NET Technical Developer to lead hands-on development and modernization initiatives within a large-scale internal platform. You will drive architecture improvements, performance tuning, and security enhancements while collaborating with business stakeholders and cross-functional teams.The role emphasizes...

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...

Senior Azure .NET Architect - Build the Backbone of Modern MessagingWe're reimagining a mission-critical communication platform that powers how systems exchange data, files, and events with the outside world. This is not a greenfield toy project-it's a high-impact transformation at scale.As a Senior Azure .NET Architect, you'll help design and shape a...

We ARE Renewables is seeking a seasoned Solution Architect to Brussels. The role focuses on optimizing IT infrastructure and application landscape within transformation programs in the (Electrical) Assets domain, collaborating with business and IT stakeholders and SMEs.The candidate will drive architecture designs, align with governance and reference...