My favorite part of engineering is making complex systems transparent and understandable.
Node.js is one of the most popular runtimes for server development, yet it often remains a "black box" even for experienced developers. I myself have felt this many times.
This course is the result of months of work on dissecting the architecture and internal mechanisms of Node.js. It is designed for those engineers who cannot work with something opaque.
This course is for you if you:
For instance, by knowing how the HTTP module is constructed, you will be able to write a server that handles more requests. Understanding the event loop and its phases will allow you to restructure code logic for improved performance and stability.
If your code "crashes" 1% of the time for reasons that aren't clear - this course will give you an understanding of how to make program behavior predictable. Not with chaotic "quick fixes," but through a deep understanding of the internal workings of Node.
The course will teach you to go in the same direction as Node, rather than "fighting" with its mechanisms.
The course program includes:
Node.js Architecture
Inside Node.js
Optimization and Performance
This course is designed for developers with an intermediate level of knowledge in Node.js who want to deepen their understanding of its architecture and increase their confidence in working with it.
It's advisable to have a general understanding of OS basics, although this is not strictly necessary.
Hussein Nasser is a US-based backend / database engineer (formerly at IBM and ESRI) and the publisher of one of the largest backend-engineering YouTube channels online — focused on the protocol-and-database internals that most working developers treat as opaque.
His CourseFlix listing carries NodeJS Internals and Architecture — a deep treatment of how Node.js actually works under the hood: the libuv event loop, the V8 integration, the streams architecture, the cluster and worker-thread models, and the engineering patterns that come from understanding the runtime at this level.
Material is paid and aimed at Node.js developers ready to deepen their understanding of the runtime they use every day. For broader content, see CourseFlix's Node.js category page.
Udemy is the largest open marketplace for online courses on the internet. Founded in 2010 by Eren Bali, Oktay Caglar, and Gagan Biyani and headquartered in San Francisco, the company went public on the Nasdaq in 2021 under the ticker UDMY. The platform hosts well over two hundred thousand courses across software development, IT and cloud, data science, design, business, marketing, and creative skills, taught by tens of thousands of independent instructors. Roughly seventy million learners use it worldwide, and the corporate arm — Udemy Business — supplies a curated subset of that catalog to enterprise customers.
Because Udemy is a marketplace rather than a single editorial publisher, the catalog is uneven by design. The strongest material lives in the long-form, project-based courses authored by working engineers — full-stack JavaScript, React, Node.js, Python data science, AWS, Docker and Kubernetes, mobile development with Flutter and React Native, and cloud certification preparation. The CourseFlix listing under this source is the slice of that catalog that has been mirrored here for offline-friendly viewing, organized by topic and updated as new releases land. Pricing on Udemy itself swings dramatically with the site's near-permanent sales, which is why the platform is best treated as a deep reference catalog: pick instructors with strong reviews and a track record of updating their material rather than buying on the headline price alone.
| # | Lesson Title | Duration | Access |
|---|---|---|---|
| 1 | Introduction Demo | 01:57 | |
| 2 | Who this course for? | 03:06 | |
| 3 | Course Data | 00:50 | |
| 4 | Course Outline | 06:59 | |
| 5 | What do you need? | 06:24 | |
| 6 | Node JS Architecture Intro | 09:30 | |
| 7 | Interpreted Languages and V8 | 49:02 | |
| 8 | The Event Loop | 24:14 | |
| 9 | The Main Module | 19:39 | |
| 10 | Timers Phase | 26:11 | |
| 11 | Pending Callbacks Phase | 14:03 | |
| 12 | Idle, Prepare Phase | 18:23 | |
| 13 | Poll Phase (Updated) | 47:49 | |
| 14 | Check Phase | 23:07 | |
| 15 | Close Callbacks Phase | 24:08 | |
| 16 | Process.nextTick | 16:46 | |
| 17 | How Promises work under the hood | 22:44 | |
| 18 | Require, Import Event | 34:12 | |
| 19 | Anatomy of Node Packages | 32:35 | |
| 20 | When does Node terminate? | 20:31 | |
| 21 | Node Internals Section Intro | 06:42 | |
| 22 | libuv Overview | 08:05 | |
| 23 | Asynchronous IO in the Operating System | 29:35 | |
| 24 | Inside Node Network IO | 43:36 | |
| 25 | Inside Node File IO | 51:51 | |
| 26 | Inside Node HTTP | 01:14:04 | |
| 27 | Inside Node HTTPS | 01:00:56 | |
| 28 | Inside Node DNS | 48:00 | |
| 29 | Inside Node TCP | 48:37 | |
| 30 | Inside Node UDP | 34:03 | |
| 31 | Inside Node Streams | 01:03:12 | |
| 32 | Process vs Thread | 01:00:38 | |
| 33 | Worker Threads | 51:55 | |
| 34 | Child Process and Cluster | 36:31 | |
| 35 | Optimization Section Intro | 13:23 | |
| 36 | Node Performance | 39:36 | |
| 37 | Debugging NodeJS | 08:07 | |
| 38 | Capturing Node's Traffic | 32:36 | |
| 39 | Request modules performance showdown | 22:24 | |
| 40 | C++ Add-ons | 39:22 | |
| 41 | Course Summary | 08:39 | |
| 42 | Proxy vs Reverse Proxy | 20:06 | |
| 43 | Memcachd and NodeJS | 01:05:48 |
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Updated 2y ago
Updated 2y ago
Updated 2y ago