November 23 - 26, 2026 I COLOGNE
Four days full of expertise, exchange, and new perspectives
Since 2011, the DDC has stood for technological diversity, high-quality content, and varied formats—all provided by experienced experts.
The .NET Developer Conference (DDC) is one of the leading conferences for .NET developers, offering a diverse program of sessions and half-day and full-day workshops. Over four intensive days, you will meet around 50 experts and 400 like-minded people and deepen your knowledge of .NET, C#, Blazor, MAUI, cloud, AI, and modern software architecture.
The DDC offers practical content and professional exchange. It is the ideal environment for targeted further training and gaining new inspiration for your projects.
SESSIONS
Tuesday, November 24 & Wednesday, November 25, 2026
Duration: approx. 60 minutes each
With lunch break and coffee breaks
What to expect:
Whether you're looking for an overview or a deep dive, over 60 sessions will provide you with in-depth knowledge, new perspectives, and concrete ideas on topics such as .NET, C#, Blazor, architecture, testing, cloud, AI, and more.
Credits: Ann-Kathrin Humberg, Quality Bytes
WORKSHOPS & DEVSESSIONS
Monday, November 23 (full-day workshops) & Thursday, November 26, 2026 (half-day DevSessions in the morning AND afternoon)
Duration: 8 or 4 hours
With lunch break and coffee breaks
What to expect:
Get to know new technologies in depth – practical, well-founded, and applicable. The workshops and DevSessions offer you space for deep understanding and active experimentation – whether in a compact half-day format or as an intensive full-day course.
Credits: Ann-Kathrin Humberg, Quality Bytes
NETWORKING & COMMUNITY
Formats: Night session, ask the experts, get-together, meetups, expo exchange, break-time discussions & more
What to expect:
Engage in conversation with others - personally, openly, and on equal terms. Exchange ideas with speakers, partners, and other participants, and find new ideas, inspiration, and contacts for your projects.
Credits: Ann-Kathrin Humberg, Quality Bytes
The AI writes. I merge. What could possibly go wrong.
Christian Giesswein puts his finger on the sore spot in his keynote: What should developers still learn in the age of AI? What .NET knowledge is still essential and what can be safely left to AI.
For twenty years, Christian knew what his code did. Not anymore for the past year. Not because he's gotten worse, but because he's merging code he didn't write. It looks good. It compiles. It's fine?
The keynote reorganizes .NET knowledge: what has become searchable, what is harder to learn than before, and what quickly becomes obsolete. All based on real cases from production code. Takeaway: a framework for your learning budget.
Why you should join DDC
"Shape your future as a .NET developer at the .NET Developer Conference in Cologne. Experience four days full of practical knowledge, intensive exchange, and community spirit. The lectures, DevSessions, and Workshops will show you what modern .NET development is all about - from .NET/C# to AI, cloud, web, and data to software architecture and soft skills. I'm glad you're here!"
Speakers 2026 (Selection)
Partner DDC 2026
A New Home
The .NET Developer Conference will take place at the Hyatt Regency Cologne!
Kennedy-Ufer 2A, 50679 Cologne
With the Hyatt Regency Cologne, we’ve found a venue that’s a perfect fit for the DDC:
- modern conference spaces
- short distances between sessions and community areas
- directly on the Rhine with a view of Cologne Cathedral
