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[Freelance Senior .NET Developer]

location_onAntwerp
labelFreelancer
access_timeFulltime
location_onAntwerp
labelFreelancer
access_timeFulltime

Looking for a challenging project as a freelance .NET Developer? Itenium connects you with projects that fit your expertise and preferences, so you can focus on delivering quality while we take care of the right opportunity.

What you will do

  • Build and evolve backend services and REST APIs on a distributed, event-driven Azure platform
  • Work hands-on with Azure Functions, Service Bus, Event Grid and MassTransit
  • Model data across Azure SQL and Cosmos DB with EF Core, Dapper and strong SQL tuning
  • Expose and version APIs through Azure API Management, keeping backward compatibility
  • Secure service-to-service communication with Service Principals, Managed Identities and RBAC
  • Apply DDD, Clean Architecture, CQRS and MediatR deliberately, knowing when and why

Who we are looking for

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Experience

You are a senior .NET/C# backend developer with around 10 to 15 years of relevant experience. You bring strong Azure hands-on skills, deep EF Core and SQL knowledge, and apply architecture patterns pragmatically rather than by default.

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Languages

Fluent in Dutch, comfortable in English.

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Hybrid work

To be agreed with the client.

What our freelancers say…

Ready to apply?

Excited about this role? We’d love to hear from you!

Jelle Muijzelaar

IT Talent Specialist

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About Itenium

Founded in 2018 by consultants, for consultants, Itenium is driven by the belief that things can always be better (nominated for Trends Gazellen 2025!). From our office in Mechelen, our 50+ consultants support companies across Belgium to build software solutions that truly work.

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Our expertise

.NET, Java, JavaScript (Angular, React), Cloud (Azure, AWS, Kubernetes), DevOps, Product Ownership, Analysis, and Test Automation.

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Our approach

Quality first—with real attention to our people. Our consultants are true experts, above-average senior IT profiles. We invest in personal growth through training and one-on-one coaching. Our motto says it all: “committed to pushing you forward.”

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Apply spontaneously

We’re always on the lookout for talented and passionate individuals to join our team. Don’t see the perfect role listed? Send us your spontaneous application and discover what we can create together!