Senior .NET Architect

i4m; Brussel Hoofdstad; Hybrid; EUR 90,000 - 120,000; Full time

Job summary

i4m in Belgium is seeking an experienced .NET Architect to provide technical leadership across a portfolio of complex applications. You will guide a skilled development team, shape target architecture, and help modernize the landscape toward a cloud-ready setup with Kubernetes-oriented goals.

The role requires English with good knowledge of Dutch or French. On-site presence is required 2 days per week; the remaining 3 days can be worked remotely.

Qualifications

• Strong background as a .NET Architect, with at least 4 years of relevant experience.
• Experience with C#, .NET 10, and .NET 4.x.
• Knowledge of Blazor frontend development.
• Experience with SQL and MongoDB.
• Familiarity with Hangfire and RabbitMQ.
• Experience with clean architecture principles.
• Knowledge of NServiceBus and Dapr is considered an advantage.
• Experience working on microservices-based products.

Responsibilities

• Lead the technical direction of one or more domain areas within the portfolio.
• Support and guide experienced Full Stack .NET developers on architecture and design decisions.
• Contribute to the maintenance and support of an existing application environment.
• Help modernize applications and migrate services to newer .NET versions.
• Contribute to the evolution of the architecture toward a Kubernetes-oriented target state.
• Work within a Scrum environment and help coordinate technical work across multiple development teams during sprints.
• Challenge technical choices, features, and implementation approaches with developers, tech leads, and product stakeholders.
• Organize collaborative technical sessions and provide clear explanations of technical topics to non-technical audiences.
• Handle priorities and urgent issues in a structured and efficient way.
• Monitor emerging technologies and maintain a strong technical outlook.

Skills

Architectural leadership

Team coaching

Stakeholder communication

Problem solving

Tools

C#

.NET 10

.NET 4.x

Blazor

SQL

MongoDB

Hangfire

RabbitMQ

NServiceBus

Dapr

Microservices

Job description

Function

Our client is seeking an experienced .NET Architect to provide technical leadership across a portfolio of complex applications. This opportunity involves supporting an experienced development team, shaping the target architecture, and helping modernize a critical application landscape toward a more modern, cloud-ready setup.

Responsibilities

• Lead the technical direction of one or more domain areas within the portfolio.
• Support and guide experienced Full Stack .NET developers on architecture and design decisions.
• Contribute to the maintenance and support of an existing application environment.
• Help modernize applications and migrate services to newer .NET versions.
• Contribute to the evolution of the architecture toward a Kubernetes-oriented target state.
• Work within a Scrum environment and help coordinate technical work across multiple development teams during sprints.
• Challenge technical choices, features, and implementation approaches with developers, tech leads, and product stakeholders.
• Organize collaborative technical sessions and provide clear explanations of technical topics to non-technical audiences.
• Handle priorities and urgent issues in a structured and efficient way.
• Monitor emerging technologies and maintain a strong technical outlook.

Technical Skills

• Strong background as a .NET Architect, with at least 4 years of relevant experience.
• Experience with C#, .NET 10, and .NET 4.x.
• Knowledge of Blazor frontend development.
• Experience with SQL and MongoDB.
• Familiarity with Hangfire and RabbitMQ.
• Experience with clean architecture principles.
• Knowledge of NServiceBus and Dapr is considered an advantage.
• Experience working on microservices-based products.

Profile

• Strong communication skills and the ability to coach development teams.
• Confident in a hands-on, collaborative role within Scrum teams.
• Able to provide a clear architectural vision and defend technical decisions when needed.
• Analytical and able to investigate complex technical issues effectively.
• Structured in your problem-solving approach and comfortable balancing multiple priorities.
• Capable of translating technical topics for non-technical stakeholders.

Practical Information

• Language requirements: English is mandatory, with very good knowledge of Dutch or French.
• On-site presence is required 2 days per week; the remaining 3 days can be worked remotely.
• For non-EU candidates working in Belgium, a valid work permit and residence permit are required.

Contactperson & Reference

• Reference #: INW28702
• Geert Roete
• [e-mail]