Senior .NET Architect: Modernization & Microservices Lead

Phoenix Technologies; Brussel Hoofdstad; On-site; EUR 90,000 - 120,000; Full time

Job summary

Phoenix Technologies is seeking a Senior .NET Architect to lead a portfolio across multiple domains. You will architect, mentor, and coordinate a team of experienced Full Stack developers, with Blazor frontends and .NET backends.

You will drive modernization efforts, migrate services toward .NET 10, adopt clean architecture, and align with Kubernetes plans. Strong communication in English and Dutch or French is required; onsite presence two days per week is expected.

Qualifications

• Min 4 years of experience as .NET Architect.
• Languages: English must; Dutch or French highly valued.
• Onsite presence for 2 days per week.

Responsibilities

• Lead technically a portfolio across different domain areas.
• Support and lead the technical aspect of the portfolio.
• Mentor and coach developers and coordinate sprint work.
• Modernize applications and migrate services to .NET 10.

Skills

English proficiency

Dutch

French

Communication skills

Coaching developers

Scrum teamwork

Lead multiple dev teams

Technical issue investigation

Vision on target architecture

Challenge technical choices

Explain to non-business people

Organize technical sessions

Handle priority and emergencies

Structured solution approach

Explore new technologies

Tools

C#.NET 10

.NET 4.x

SQL

MongoDB

Blazor

Hangfire

RabbitMQ

Clean architecture

NServiceBus

Dapr

Job description

Phoenix Technologies is seeking a Senior .NET Architect to lead a portfolio across multiple domains. You will architect, mentor, and coordinate a team of experienced Full Stack developers, with Blazor frontends and .NET backends.

You will drive modernization efforts, migrate services toward .NET 10, adopt clean architecture, and align with Kubernetes plans. Strong communication in English and Dutch or French is required; onsite presence two days per week is expected.