• Courses
  • TutorialsFree
  • Learning Paths
  • Blogs
  • Authors
  • Dometrain Pro
  • Shopping Basket

    Your basket is empty

  • Business Portal
  • Jonathan Tower

    Jonathan, or J as he's known to friends, is a husband, a father, and the owner of Trailhead Technology Partners, a custom software consulting company with employees all around the world. He is also a Microsoft MVP in .NET and frequently speaks at software meetups and conferences. He doesn't mind too much because he loves sharing what he’s learned, and it also gives him an excuse to visit any nearby National Parks, a passion of his, proven by the fact that he's currently made it to 52 of the 63 parks. J also has a passion for building community and has served on several non-profit boards over the years as a result. Currently, J sits on the SoftwareGR board, a non-profit trade organization dedicated to building the software industry in West Michigan. He also runs Beer City Code, a software conference, and has served as president on that board for over a decade. J loves hiking, reading, photography, and trying to see all the best picture nominees before the Oscars ceremony.

    What's New

    What's new in C# 14
    blog

    What's new in C# 14

    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
    Let's Build It: AI Chatbot with RAG in .NET Using Your Data
    course

    Let's Build It: AI Chatbot with RAG in .NET Using Your Data

    Build a Retrieval-Augmented Generation (RAG) chatbot that can answer questions using your data.

    Learn More
    Working with Large Language Models
    tutorial

    Working with Large Language Models

    Learn how to work with Large Language Models (LLMs). Understand the fundamentals of how GPT works, the transformer architecture, and master prompt engineering techniques to build AI agents.

    Learn More
    From Zero to Hero: SignalR in .NET
    course

    From Zero to Hero: SignalR in .NET

    Enable enterprise-grade real-time communication for your web apps with SignalR.

    Learn More
    Deep Dive: Solution Architecture
    course

    Deep Dive: Solution Architecture

    Master solution architecture and turn business needs into scalable, maintainable systems.

    Learn More
    Migrating: ASP.NET Web APIs to ASP.NET Core
    course

    Migrating: ASP.NET Web APIs to ASP.NET Core

    A step-by-step process to migrate ASP.NET Web APIs from .NET Framework to ASP.NET Core.

    Learn More
    Getting Started: Caching in .NET
    course

    Getting Started: Caching in .NET

    Let's make the hardest thing in programming easy for .NET software engineers.

    Learn More
    From Zero to Hero: Testing with xUnit in C#
    course

    From Zero to Hero: Testing with xUnit in C#

    Learn how to test any codebase in .NET with the latest version of xUnit, the industry-standard testing library.

    Learn More
    Create a ChatGPT Console AI Chatbot in C#
    blog

    Create a ChatGPT Console AI Chatbot 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