💜
Core C#
Language fundamentals, LINQ, async/await, records
🏛️
SOLID Principles
SRP, OCP, LSP, ISP, DIP with practical examples
🎨
Design Patterns
Creational, structural, behavioral patterns
🏗️
Clean Architecture
Layers, boundaries, dependency rules
🔒
Security
OWASP, authentication, secrets management
🧪
TDD & Testing
Unit testing, mocking, test strategies
📦
Collections
Lists, dictionaries, LINQ, enumerables
⚡
Performance
Big-O, memory allocation, optimization
⚠️
Error Handling
Exceptions, Result types, defensive programming
📝
Logging
Structured logging, correlation, observability
🏢
Architecture
System design, solution structure, patterns
🔄
AutoMapper
Object mapping, profiles, projections
✅
FluentValidation
Input validation, rules, custom validators
♻️
DRY Principle
Don't Repeat Yourself patterns
🪞
Reflection
Runtime type inspection, dynamic code
📈
Observability
OpenTelemetry, Grafana, metrics, tracing, logging
🔀
Coroutines
Async iterators, IAsyncEnumerable, yield return, channels
📡
SignalR
Real-time communication, WebSockets, hubs, scaling