Build a Real-World GraphQL API with HotChocolate & .NET 10
Published 9/2026
Created by Asfend Yar Hamid
MP4 |
Video: h264, 1920x1080 |
Audio: AAC, 44.1 KHz, 2 Ch
Level: All Levels |
Genre: eLearning |
Language: English |
Duration: 39 Lectures ( 2h 40m ) |
Size: 1.4 GB
Master GraphQL with HotChocolate by building a complete Job Board API - Queries, Mutations, Subscriptions, Auth & Deploy
What you'll learn

Build a production-ready GraphQL API from scratch using HotChocolate & .NET 10

Create Mutations for real-world operations - Post jobs, Apply, Update & Delete

Build Real-Time features using GraphQL Subscriptions & WebSockets

Set up Clean Architecture with 4-layer project structure

Secure passwords using BCrypt hashing - industry standard approach

Use Entity Framework Core with SQL Server for database management

Implement complex Queries with Filtering, Sorting & Cursor-based Pagination

Add JWT Authentication & Authorization with Refresh Tokens

Handle errors properly using GraphQL error types and Global Error Filter

Deploy your API to Azure using Azure App Service & Azure SQL Database

Test your API using Nitro - HotChocolate's built-in GraphQL playground
Requirements

Basic knowledge of C# and .NET - you should be comfortable writing classes and methods

Understanding of REST APIs - knowing what an API is and how it works

Visual Studio 2022 or later installed on your machine (Community edition is free)

No prior GraphQL or HotChocolate experience needed - we start from scratch
Description
Are you tired of building the same old
CRUD APIs that every tutorial teaches? Do you want to learn
GraphQL the right way - by building something real that you can actually put on your resume?
This course takes you beyond the basics. You will build a
complete Job Board API - similar to LinkedIn or Indeed - using
HotChocolate, the most powerful GraphQL library for .NET, and the latest
.NET 10.
This is not a toy project. By the end of this course, you will have a
production-ready API with real features that companies actually use - authentication, real-time notifications, advanced filtering, pagination, and cloud deployment.
Why GraphQL over REST?

Fetch exactly the data you need - no over-fetching or under-fetching

One endpoint for all operations - cleaner and more flexible than REST

Built-in real-time support with Subscriptions - no extra setup needed

Self-documenting API - your schema IS the documentation
Why HotChocolate?

The most popular and powerful GraphQL library for .NET developers

Built-in support for Filtering, Sorting, and Pagination - out of the box

Seamless integration with Entity Framework Core and .NET ecosystem

Used by companies worldwide in production applications
What you will build - Job Board API
Throughout this course, you will build a real Job Board API step by step. Here is what the final project includes
Companiescan post jobs, update them, and delete them
Applicantscan browse jobs, filter by salary and location, and apply
Real-time notificationswhen a new job is posted using Subscriptions
JWT Authenticationwith Refresh Tokens - secure and production-ready
Advanced filtering, sorting, and cursor-based pagination- the right way
Clean Architecture- 4-layer project structure used in real companies
Azure Deployment- your API live on the internet
Who is Asfend?
Your instructor is
Asfend - a
Microsoft MVP in .NET, Principal Software Engineer, and Udemy instructor with over
57,000 students and 10+ years of professional experience. Asfend has worked on real-world production systems and brings that experience directly into this course.
Every concept in this course is explained in
simple, clear English - making it accessible even if English is not your first language. You will never be left confused about why we are doing something.
This course is different because

You build ONE real project from start to finish - not isolated disconnected examples

Every feature is explained with the WHY - not just the HOW

You will see real errors happen and learn how to fix them

The final project is portfolio-worthy - show it to any employer
If you are a .NET developer who wants to add
GraphQL to your skillset and build APIs that go beyond basic CRUD - this course is for you. Enroll now and start building!
Who this course is for

.NET developers who want to learn GraphQL and HotChocolate from scratch

Backend developers tired of building basic CRUD APIs and ready for real-world projects

Developers preparing for senior .NET roles who need GraphQL on their resume

Anyone who has tried GraphQL before but found it confusing - this course explains everything clearly

Developers who want a portfolio-worthy project they can show to employers
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