.NET Developer
Inetum · Mechelen, , Belgium · Hybrid
Posted Oct 7, 2026
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Build exceptional software. Shape your own future.
Are you a seasoned .NET developer who loves solving complex technical challenges and wants more than "just another development job"? We are looking for an experienced Senior .NET Developer with 10+ years of professional software development experience to join our growing team.
What You'll Do
Design, develop, and maintain scalable .NET applications and services.
Build modern APIs, cloud-native solutions, and distributed systems.
Contribute to technology decisions.
Guide and mentor developers through coaching and code reviews.
Collaborate closely with stakeholders, product owners, analysts, and fellow engineers.
Promote quality through clean code practices, automated testing, and CI/CD pipelines.
Contribute to modernization and digital transformation initiatives.
Share knowledge through internal communities, technical sessions, and engineering tracks.
What We're Looking For
Essential
10+ years of hands-on experience with Microsoft technologies.
Strong expertise in C#, .NET/.NET Core, ASP.NET MVC/Core, REST APIs, SQL Server, Azure Cloud Services.
Solid understanding of software architecture and design patterns.
Experience with DevOps practices and CI/CD pipelines.
Strong analytical and problem-solving skills.
Passion for clean, maintainable, high-quality software.
Excellent communication skills and experience working in agile environments.
Nice to Have
Azure Kubernetes Services (AKS)
Experience in Microservices architecture
Some experience with React, Angular or Blazor
Experience in Event-driven architecture
Azure certifications
What Makes Us Different
Continuous Learning Culture
Udemy, workshops, conferences such as Techorama, VisugXL, Strongbrew, certification opportunities and dedicated growth initiatives.
Architect Track
Grow from Senior Developer towards Software Architect in approximately 18 months with coaching and real-world responsibilities.
Learn From Technical Leaders
Work alongside hands-on technical leaders and architects who remain actively involved in projects.
Knowledge Sharing at Our Core
Internal technical tracks, evening sessions, architecture communities and our annual Spring Event.
Making an Impact Beyond Technology
Participation in charity initiatives and community projects.
Attractive Benefits Package
In addition to a competitive salary package, we offer:
€10 meal vouchers
Hospitalization insurance
Group insurance
Flex Income Plan
Professional development budget
Hybrid working arrangements
…
Premium Mobility Solutions
Choose a modern mobility package with BMW, Mercedes-Benz and Audi options. Flex Income Plan opportunities allow further optimization of your mobility budget.
Work Where and When It Works
Flex-time and hybrid working focused on trust, ownership and results.
Why Join Us?
This role is about far more than writing code. You will influence technical strategy, contribute to architectural…