Dennis Doomen builds enterprise solutions on .NET as a software architect and Principal Consultant at Aviva Solutions. He focuses on helping development teams improve their architecture, code quality, and deployment pipelines.
He is the creator of Fluent Assertions, an open-source testing library with nearly half a billion downloads. Alongside this, Dennis has maintained a comprehensive set of C# coding guidelines since 2001. In his talks, he breaks down practical techniques for keeping large codebases clean and shares lessons learned from maintaining large-scale open-source tools.
Videos
Practical tips for keeping your C# code base clean
Dennis Doomen · Aviva Solutions
World Congress Europe · 2026
What you can learn from an open-source project with 500 million downloads
Dennis Doomen · Aviva Solutions
World Congress · 2025