DDD, CQRS and Event Sourcing in .NET

25900 kr

In this course you will learn how to apply the principles of Domain Driven Design, CQRS and Event Sourcing to build better systems that can meet the demands of your business

DDD, CQRS and Event Sourcing are independent techniques that you can use on their own, but together they form a powerful approach to creating modern applications.


Instead of just talking about these concepts in theory, we will learn by doing. This course contains plenty of hands-on exercises in C# that will show you alternative ways to build software. You will also learn general architecture principles and other best practices for creating better systems.

Software that:

  • Better captures your domain and business
  • Is easier to test and validate
  • Scales better as traffic grows
  • Can evolve easier over time
  • Is easier to understand

Even if you don’t create a full-blown CQRS/ES/DDD system from scratch, this course will teach you plenty of solid ideas, patterns and principles that you can apply in your existing applications.

In the course we use .NET 5/6 and Visual Studio 2019/2022 and in the exercises you will gradually build up an application from scratch.


3 days. This course can either be delivered over 3 full days or 6 half days.


  • Architecture principles
    • Composition
    • Command pattern
    • Eventual Consistency
    • Immutability
    • Micro front-ends
  • Domain Driven Design
    • Aggregates
    • Bounded Contexts
    • Invariants
    • Ubiquitous language
    • Value Objects
  • Command and Query Responsibility Segregation (CQRS)
    • Separating reads from writes
    • Commands and events
    • Read and write side
    • Querying
  • Modeling
    • Event storming
    • Event modeling
  • Mediator pattern
  • Testing
    • Test-driven development (TDD)
    • Behavior-driven development (BDD)
  • Event Sourcing
    • Using the EventStoreDB
    • Versioning
  • Introduction to integration using Kafka

And much more…


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3 dagar




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