.NET

C#, dotNet Core, ASP.NET, Entity Framework, testing, architecture, and everything .NET developers need.

Interview Questions: Routing, Middleware and Razor vs. Razor Pages

Understand routing, middleware, dependency injection, and more

If you’re preparing for a .NET developer interview, these are five fundamental ASP.NET Core questions that appear regularly. Here’s a breakdown with added depth, like you’d expect in a real-world s...

Posted by Rodrigo Castro on June 27, 2025

Interview Questions: Configuration, Dependency Injection, and Hosted Services

Understand lifetimes, appsettings layering, and background tasks

Continuing our series on ASP.NET Core interview essentials, let’s dig deeper into five important topics that deal with how your application is configured, structured, and executed. How does appset...

Posted by Rodrigo Castro on June 27, 2025

What's New in .NET 9

New Features Overview

.NET 9 is here: and it’s not just a version bump. Microsoft continues to push the platform forward with meaningful updates that empower developers to build faster, smarter, and more cloud-native ap...

Posted by Rodrigo Castro on June 6, 2025

Clean Architecture in C#

Build maintainable, testable .NET apps

Clean Architecture organizes your code into layers for long-term maintainability. 🏗️ Layers Domain: Business logic (core) Application: Use cases and business rules Infrastructure: Database...

Posted by Rodrigo Castro on February 23, 2025

Domain-Driven Design (DDD)

Model complex business logic with DDD

Domain-Driven Design (DDD) helps you model complex business problems clearly and maintainably. 🏢 What is DDD? Focuses on the domain (the core business logic). Uses a ubiquitous language: sha...

Posted by Rodrigo Castro on February 22, 2025

Automated Integration Testing

Test how components work together

Integration tests check that different parts of your app work together as expected. 🧩 What is an Integration Test? Tests multiple components together (e.g., API + database) More realistic th...

Posted by Rodrigo Castro on February 21, 2025

Behavior-Driven Development (BDD) Testing

Write tests that describe behavior

Behavior-Driven Development (BDD) helps you write tests in plain language, focused on how users expect your app to behave. 📝 What is BDD? Tests are written as scenarios in plain English. Enc...

Posted by Rodrigo Castro on February 16, 2025

Automated Unit Testing

Ensure code quality with unit tests

Automated unit testing ensures your code works as intended and helps prevent bugs. 🧪 What is a Unit Test? A unit test checks one small part (unit) of your code (usually a method) independently fr...

Posted by Rodrigo Castro on February 15, 2025

Docker Image Building

Containerize your .NET apps

Docker lets you package your .NET apps and run them in any environment. 🏗️ Basic Dockerfile 1 2 3 4 FROM mcr.microsoft.com/dotnet/aspnet:6.0 AS base WORKDIR /app COPY . . ENTRYPOINT ["dotnet", "M...

Posted by Rodrigo Castro on February 14, 2025

Dependency Injection

Decouple your code for testability and flexibility

Dependency Injection (DI) is a technique for achieving loose coupling and easier testing. 🤝 What is DI? Instead of creating dependencies (classes/services) yourself, you “inject” them (usually...

Posted by Rodrigo Castro on February 9, 2025

ABOUT ME
Rodrigo Zavalik Castro

Sr. Full Stack .NET Engineer with 10+ years of experience in software development, cloud infrastructure, and migration projects across Azure, AWS, and GCP.
Dev Team @ Canon EMEA

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