Udemy – +150 Exercises to Master C# From A to Z (2025)

This course guides you from foundational C# programming to expert-level  and distributed architectures. Through practical exercises, examples, and real-world scenarios, you’ll develop skills to build efficient, scalable, and maintainable software solutions.

Beginner Level: C# Foundations

1. Core C# Concepts: Essential programming basics, syntax, and object-oriented principles.
2. Basic Data Operations: Filtering, sorting, and grouping data.
3. Error Handling: Managing exceptions effectively.

Intermediate Level: Expanding C# Knowledge and Patterns

1. Repository Pattern & Data Access: Building efficient data layers.
2. Core Design Patterns: Practical application of foundational patterns.
3. Asynchronous Programming Basics: Introduction to async workflows.
4. Testing Fundamentals: Writing and executing unit tests.

Advanced Level: C# Mastery

1. Advanced C#: Multi-threading, LINQ, and performance optimizations.
2. Domain-Driven Design (DDD): Structuring applications for complex domains.
3. Event-Driven Architecture & CQRS: Handling state and asynchronous communication.
4. Reliability & Fault Tolerance: Techniques for resilience in software.
5. Attributes and Metadata: Define and apply custom attributes.
6. Event Sourcing: Apply advanced event sourcing techniques.

Expert Level: Distributed Systems and Advanced Testing

1. Saga Orchestration & Distributed Transactions: Managing complex workflows.
2. Asynchronous Messaging: Designing for eventual consistency.
3. Background Processing: Efficient job scheduling and task execution.
4. Performance Optimization: Memory management and profiling techniques.
5. Advanced Testing: Testing strategies for complex architectures.

This course equips you to tackle complex challenges in C# and system design, preparing you for creating scalable and maintainable software solutions.