Master AI Development: Build Intelligent Apps with React & Express ๐
Learn how to create AI-powered applications using React and Express. Covering LLMs, prompt engineering, and full-stack AI integration, this course equips developers to build innovative, smart apps from scratch.

Programming with Mosh
79.3K views โข Aug 25, 2025

About this video
This AI course teaches you how to build AI-powered apps with React & Express. Youโll learn about LLMs, prompt engineering, and full-stack AI integration.
๐ Want to dive deeper?
- Get the full course: https://mosh.link/build-ai-powered-apps
- Subscribe for more videos like this: https://goo.gl/6PYaGF
๐ก Related tutorials
https://youtu.be/SqcY0GlETPk?si=ALGbprFSjzSnVfms
https://youtu.be/d56mG7DezGs?si=NamrMlwEwC99MIfQ
โ Stay connected:
- Full Courses: https://codewithmosh.com
- Twitter: https://twitter.com/moshhamedani
- Facebook: https://www.facebook.com/programmingwithmosh/
- Instagram: https://www.instagram.com/codewithmosh.official/
- LinkedIn: https://www.linkedin.com/school/codewithmosh/
๐ Chapters
0:00:00 Welcome
0:01:26 Prerequisites
0:02:21 What Youโll Learn
0:06:15 Setting Up Your Development Environment
0:07:12 Introduction to AI Models
0:07:48 Rise of AI Engineering
0:11:49 What Are Large Language Models?
0:16:12 What Can You Do With Language Models?
0:18:37 Understanding Tokens
0:21:40 Counting Tokens
0:25:43 Choosing the Right Model
0:30:45 Understanding Model Settings
0:39:32 Calling Models
0:47:07 Setting Up a Modern Full-Stack Project
0:48:19 Setting Up Bun
0:49:51 Creating the Project Structure
0:52:39 Creating the Backend
0:59:18 Managing OpenAI API Key
1:04:33 Creating the Frontend
1:07:18 Connecting the Frontend and Backend
1:12:31 Running Both Apps Together
1:15:55 Setting Up TailwindCSS
1:19:30 Setting Up ShadCN/UI
1:26:00 Formatting Code With Prettier
1:31:02 Automating Pre-Commit Checks With Husky
1:37:53 Project: Building a ChatBot
1:38:22 Building the Backend
1:38:58 Building the Chat API
1:45:25 Testing the API
1:47:22 Managing Conversation State
1:53:44 Input Validation
1:59:33 Error Handling
2:01:52 Refactoring the Chat API
2:04:00 Extracting Conversation Repository
2:09:21 Extracting Chat Service
2:16:05 Extracting Chat Controller
2:20:03 Extracting Routes
2:24:55 Building the Frontend
#ai #aiappdevelopment #aicourses
๐ Want to dive deeper?
- Get the full course: https://mosh.link/build-ai-powered-apps
- Subscribe for more videos like this: https://goo.gl/6PYaGF
๐ก Related tutorials
https://youtu.be/SqcY0GlETPk?si=ALGbprFSjzSnVfms
https://youtu.be/d56mG7DezGs?si=NamrMlwEwC99MIfQ
โ Stay connected:
- Full Courses: https://codewithmosh.com
- Twitter: https://twitter.com/moshhamedani
- Facebook: https://www.facebook.com/programmingwithmosh/
- Instagram: https://www.instagram.com/codewithmosh.official/
- LinkedIn: https://www.linkedin.com/school/codewithmosh/
๐ Chapters
0:00:00 Welcome
0:01:26 Prerequisites
0:02:21 What Youโll Learn
0:06:15 Setting Up Your Development Environment
0:07:12 Introduction to AI Models
0:07:48 Rise of AI Engineering
0:11:49 What Are Large Language Models?
0:16:12 What Can You Do With Language Models?
0:18:37 Understanding Tokens
0:21:40 Counting Tokens
0:25:43 Choosing the Right Model
0:30:45 Understanding Model Settings
0:39:32 Calling Models
0:47:07 Setting Up a Modern Full-Stack Project
0:48:19 Setting Up Bun
0:49:51 Creating the Project Structure
0:52:39 Creating the Backend
0:59:18 Managing OpenAI API Key
1:04:33 Creating the Frontend
1:07:18 Connecting the Frontend and Backend
1:12:31 Running Both Apps Together
1:15:55 Setting Up TailwindCSS
1:19:30 Setting Up ShadCN/UI
1:26:00 Formatting Code With Prettier
1:31:02 Automating Pre-Commit Checks With Husky
1:37:53 Project: Building a ChatBot
1:38:22 Building the Backend
1:38:58 Building the Chat API
1:45:25 Testing the API
1:47:22 Managing Conversation State
1:53:44 Input Validation
1:59:33 Error Handling
2:01:52 Refactoring the Chat API
2:04:00 Extracting Conversation Repository
2:09:21 Extracting Chat Service
2:16:05 Extracting Chat Controller
2:20:03 Extracting Routes
2:24:55 Building the Frontend
#ai #aiappdevelopment #aicourses
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Video Information
Views
79.3K
Likes
2.8K
Duration
02:25:40
Published
Aug 25, 2025
User Reviews
4.7
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