.NET Backend - Step by Step
The .NET backend track in the order you should learn it: request handling and validation, versioning, protecting APIs with rate limiting, real-time with SignalR, clean patterns with Facade/Builder/Options, then CQRS + MediatR, API Gateways, and finally reliable distributed workflows with Sagas.
What you'll learn
Follow in order: each step builds on the previous one.
- 1Step 18 min readFull guide
Model Binding & Validation Flow in Web API
Understand the clear difference between Model Binding, Validation, and Serialization in ASP.NET Core with practical examples, hidden behaviors, and common bugs every developer faces.
- 2Step 26 min readFull guide
API Versioning in ASP.NET Core
A practical guide to API versioning in ASP.NET Core using URL, Query String, Header, and Media Type strategies with clear examples and best practices.
- 3Step 37 min readFull guide
Rate Limiting in ASP.NET Core [Protect Your APIs from Abuse]
A clear and practical guide to rate limiting in ASP.NET Core, different algorithms, policies, common misconceptions, and production best practices.
- 4Step 46 min readFull guide
Understanding SignalR in Modern Web Apps
A clear and practical guide to SignalR, hubs, real-time communication, transports, and when to use it vs REST APIs.
- 5Step 57 min readFull guide
Mastering C# Patterns: Facade, Fluent Builder & Options
A clear and practical guide to managing complex e-commerce workflows using the Facade, Fluent Builder, and Options patterns in C#.
- 6Step 68 min readFull guide
CQRS + MediatR in ASP.NET Core: A Practical Guide
A clear, step-by-step guide to implementing CQRS with MediatR in .NET - including commands, queries, pipeline behaviors, common misconceptions, and when to use (or not use) the pattern.
- 7Step 715 min readFull guide
API Gateway for Beginners: From Basic Routing to Production-Ready Microservices
Learn why microservices need an API Gateway and how to build one in .NET with Ocelot. Explore routing, environment configuration, JWT authentication, rate limiting, caching, health checks, IP whitelisting, circuit breakers, CORS, messaging, logging, metrics, deployment, and scaling.
- 8Step 812 min readFull guide
Sagas, MassTransit, and RabbitMQ: Reliable Distributed Workflows in .NET
A deep dive into building robust, long-running processes with sagas, MassTransit, RabbitMQ, dead-letter queues, and failure handling - with practical examples and best practices.