Summary
- Production-grade C#/.NET patterns for APIs, MCP servers, and enterprise backends with modern async, DI, and data access practices.
- Covers clean architecture project structure, dependency injection lifetimes, and configuration with IOptions pattern Async/await best practices including parallel execution, ConfigureAwait usage, and ValueTask optimization for hot paths Entity Framework Core and Dapper repository patterns with query optimization, multi-mapping, and performance considerations Multi-level caching with Redis and memory cache, including stale-while-revalidate and cache invalidation strategies Unit and integration testing with xUnit, Moq, and WebApplicationFactory; Result pattern for flow control without exceptions