This learning path guides you through everything required to grow into a skilled modern C# and .NET developer. You'll start by mastering the language basics, then advance into key .NET capabilities, and ultimately learn how to build clean, reliable, and high-performance applications by applying modern development practices.
Learn the fundamentals of the C# language, from syntax and key features to safe handling of null values.
Get started with C# programming in this comprehensive course, perfect for beginners or those transitioning from other languages. Learn key concepts like variables, loops, OOP, and debugging in C#.
Nick Cosentino
Dive deeper into C# with this advanced course, covering topics like OOP, multithreading, async programming, LINQ, and more. Perfect for those with C# basics looking to expand their expertise.
Nick Cosentino
Learn how to properly use null in C# in a modern way and write better, robust code
Ed Charbeneau
Build a strong foundation in essential .NET concepts like dependency injection, logging, configuration, and reflection.
Master Dependency Injection in .NET with this comprehensive course by Nick Chapsas. Learn how to build cleaner, more maintainable code, optimize testability, and tackle real-world projects.
Nick Chapsas
Learn essential logging techniques in .NET to ensure reliable applications. This course covers built-in logging, structured logging with Serilog, and advanced features for production-ready code.
Nick Chapsas
Learn how to configure and manage settings in .NET applications with Configuration and Options. This course covers essential techniques for handling application settings, secure storage, and more.
David Pine
Learn how to use Reflection in .NET with this course, covering everything from accessing type information to advanced techniques like invoking members, handling attributes, and working with generics.
Nick Cosentino
Master testing and code quality practices in C#, including unit testing, integration testing, TDD, refactoring, clean code, and SOLID principles.
Learn how to test any codebase in .NET with the latest version of xUnit, the industry-standard testing library.
Gui Ferreira
Learn modern unit testing in C# from scratch! This course by Nick Chapsas teaches you how to write reliable, maintainable unit tests, covering key concepts, techniques, and real-world applications.
Nick Chapsas
Learn integration testing in ASP.NET Core with real-world examples. Ensure your services are reliable and behave as expected using modern techniques.
Nick Chapsas
Learn how to write testable C# code using modern coding practices.
Gui Ferreira
Learn Test-Driven Development (TDD) in C# from the ground up! This course covers everything from the basics to advanced TDD concepts, helping you write cleaner, more maintainable code.
Gui Ferreira
Learn how to write clean, maintainable C# code using modern Clean Code practices. This course covers essential principles like readability and simplicity for more efficient development.
Gui Ferreira
Learn refactoring techniques in C# to improve code quality and maintainability. This course covers modern practices to optimize your codebase, with examples to enhance readability, and testability.
Nick Cosentino
Learn the SOLID principles in C# with practical examples. This course covers the five SOLID principles, along with other key software engineering concepts like DRY to improve your code quality.
Alex Hyett
Dive deeper into advanced .NET development with source generators.
Master the art of writing code that writes code with source generators in C#.
Mel Grubb
Learn how to create objects in flexible and reusable ways using classic creational design patterns.
Learn everything about the Singleton Design Pattern in C#. This course explains its importance, benefits, and how to manage resources and maintain consistency in applications using the pattern.
Amichai Mantinband
Learn everything about the Abstract Factory Design Pattern in C#.
Amichai Mantinband
Learn everything about the Factory Method Design Pattern in C#.
Amichai Mantinband
Learn everything about the Builder Design Pattern in C#.
Amichai Mantinband
Learn everything about the Flyweight Design Pattern in C#.
Amichai Mantinband
Learn everything about the Prototype Design Pattern in C#.
Amichai Mantinband
Understand how to compose classes and objects into larger structures with structural design patterns.
Learn everything about the Adapter Design Pattern in C#.
Amichai Mantinband
Learn everything about the Bridge Design Pattern in C#.
Amichai Mantinband
Learn everything about the Composite Design Pattern in C#.
Amichai Mantinband
Learn everything about the Decorator Design Pattern in C#.
Amichai Mantinband
Learn everything about the Facade Design Pattern in C#.
Amichai Mantinband
Learn everything about the Proxy Design Pattern in C#.
Amichai Mantinband
Master behavioral design patterns to manage algorithms, relationships, and responsibilities between objects.
Learn everything about the Mediator Design Pattern in C#.
Amichai Mantinband
Learn everything about the Strategy Design Pattern in C#.
Amichai Mantinband
Learn everything about the Chain of Responsibility Design Pattern in C#.
Amichai Mantinband
Learn everything about the Command Design Pattern in C#.
Amichai Mantinband
Learn everything about the Interpreter Design Pattern in C#.
Amichai Mantinband
Learn everything about the Iterator Design Pattern in C#.
Amichai Mantinband
Learn everything about the Memento Design Pattern in C#.
Amichai Mantinband
Learn everything about the Observer Design Pattern in C#.
Amichai Mantinband
Learn everything about the State Design Pattern in C#.
Amichai Mantinband
Learn everything about the Template Method Design Pattern in C#.
Amichai Mantinband
Learn everything about the Visitor Design Pattern in C#.
Amichai Mantinband
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Learn how to get started with the Model Context Protocol (MCP) and integrate it into your applications.
Learn more about Getting Started: Model Context Protocol (MCP)
Learn TypeScript through hands-on coding exercises. Practice what you learn with interactive challenges designed for every level.
Learn more about Hands-On: Learn TypeScript
Learn JavaScript through hands-on coding exercises. Practice what you learn with interactive challenges designed for every level.
Learn more about Hands-On: Learn JavaScript
Master data structures and algorithms through hands-on coding exercises in C#. Free to enroll for 7 days!
Learn more about Hands-On: Data Structures & Algorithms in C#
Turn your videos into blogs and newsletters with AI. Check out our new product at blogsmith.ai.
Learn more about Blogsmith.ai
See how you stack up against other learners. Track your progress, climb the ranks, and compete with the Dometrain community.
Learn more about Leaderboard
Learn PostgreSQL through hands-on coding exercises. Practice what you learn with interactive challenges designed for every level.
Learn more about Hands-On: Learn PostgreSQL
Learn C# through hands-on coding exercises. Practice what you learn with interactive challenges designed for everyone, from beginners to experts.
Learn more about Free Hands-On: C# for Beginners
Get started with integrating AI into your .NET applications effectively using the latest LLM best practices.
Learn more about Getting Started: AI for .NET Developers
Learn how to build and deploy .NET applications on AWS using CDK, Lambda, DynamoDB, S3, and more.
Learn more about Getting Started: Building .NET Applications on AWS
This guide covers every new C# 14 feature, explains its benefits, and provides practical code examples to help you navigate how you can use them.
Learn more about What's new in C# 14
Build a Retrieval-Augmented Generation (RAG) chatbot that can answer questions using your data.
Learn more about Let's Build It: AI Chatbot with RAG in .NET Using Your Data
Enable enterprise-grade real-time communication for your web apps with SignalR.
Learn more about From Zero to Hero: SignalR in .NET
Master solution architecture and turn business needs into scalable, maintainable systems.
Learn more about Deep Dive: Solution Architecture
A step-by-step process to migrate ASP.NET Web APIs from .NET Framework to ASP.NET Core.
Learn more about Migrating: ASP.NET Web APIs to ASP.NET Core
Let's make the hardest thing in programming easy for .NET software engineers.
Learn more about Getting Started: Caching in .NET
Learn how to test any codebase in .NET with the latest version of xUnit, the industry-standard testing library.
Learn more about From Zero to Hero: Testing with xUnit in C#
This walkthrough is your hands-on entry point to create a basic C# console application that talks to ChatGPT using the OpenAI API.
Learn more about Create a ChatGPT Console AI Chatbot in C#