Practical Domain-Driven Design and Event Sourcing Using .NET and C#

🛠️ Workshop Overview

Domain-Driven Design (DDD) and Event Sourcing are powerful paradigms for building complex, business-oriented applications. However, they are often considered overly complex or theoretical. This workshop focuses on the practical DDD and Event Sourcing application in .NET and C#. You’ll learn how to design systems that align with business needs, capture changes as events, and build scalable, maintainable applications. This workshop emphasizes real-world scenarios, hands-on implementation, and avoiding unnecessary complexity.

📚 Topics

1. Introduction to Domain-Driven Design (DDD) and Event Sourcing
   • Understanding the core principles of DDD: bounded contexts, aggregates, and ubiquitous language
   • What is Event Sourcing, and why it’s a natural fit for DDD
   • Benefits and challenges of using DDD and Event Sourcing
2. Designing with Domain-Driven Design
   • Identifying bounded contexts and domain boundaries
   • Modeling aggregates, entities, and value objects
   • Using ubiquitous language to align with business requirements
3. Implementing Event Sourcing
   • Capturing state changes as a sequence of events
   • Designing event-sourced aggregates
   • Storing and replaying events to rebuild state
4. Building a Practical Event-Sourced System in .NET
   • Structuring a .NET solution for DDD and Event Sourcing
   • Using C# to implement event-sourced aggregates
   • Persisting events with EventStore or other event stores
5. Integrating DDD and Event Sourcing
   • Handling commands and events in a DDD-based system
   • Managing consistency and concurrency in event-sourced systems
   • Projections: Building read models from events
6. Hands-On Implementation
   • Lab 1: Designing a bounded context and aggregates
   • Lab 2: Implementing an event-sourced aggregate in C#
   • Lab 3: Persisting and replaying events
   • Lab 4: Building projections and read models
7. Advanced Topics
   • Versioning events and handling schema changes
   • Integrating with external systems and APIs
   • Best practices for testing and deploying DDD and Event Sourcing systems

🎓 Outcomes

• Understand the core principles of Domain-Driven Design and Event Sourcing
• Be able to design and implement a DDD-based system in .NET
• Know how to capture state changes as events and rebuild state from events
• Gain hands-on experience with event-sourced aggregates, projections, and read models
• Learn best practices for building scalable, maintainable, and business-aligned systems

🕒 Length: 2-3 days

📩 Contact Me

LinkedIn: https://www.linkedin.com/in/mehdihadeli