Certification > Web & Application > OpenJS Node.js Application Developer (JSNAD)
CERTIFICATION

OpenJS Node.js Application Developer (JSNAD)

The OpenJS Node.js Application Developer (JSNAD) certification tests and verifies candidates’ skills in using Node.js to create web-based applications.

IMPORTANT: Registration for this certification exam will end on April 30, 2025. If you register for this certification exam, you must schedule your exam eligibility at the first opportunity to secure a date before the exam administration ends on September 30, 2025. Please note that you must complete your exam (first attempt and your one retake if it’s needed) by September 30, 2025. This certification will no longer be offered after this date.

Who Is It For
JSNAD certification is ideal for the intermediate Node.js developer with at least two years of experience working with Node.js. It is designed for anyone looking to demonstrate competence with Node.js to create applications of any kind, with a focus on knowledge of Node.js core API’s.
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About This Certification
The two-hour exam tests your skills from debugging Node.js to managing asynchronous operations to controlling processes. It tests knowledge and skills that an experienced Node.js application developer would be expected to possess. The exam is performance-based and includes items simulating on-the-job scenarios.
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What It Demonstrates
JSNAD certification demonstrates the ability to perform tasks in real world-type environments, giving employers confidence that the certificant possesses a broad range of skills around JavaScript and related technologies. Passing a performance-based exam demonstrates the candidate's ability to perform challenging real world tasks under time constraints.
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Domains & Competencies
Expand All
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Buffer and Streams11%
Node.js Buffer API’s
Incremental Processing
Transforming Data
Connecting Streams
Control flow 12 %
Managing asynchronous operations
Control flow abstractions
Child Processes8%
Spawning or Executing child processes
Child process configuration
Diagnostics6%
Debugging Node.js
Basic performance analysis
Error Handling8%
Common patterns
Handling errors in various scenarios
Node.js CLI4%
Node executable command line flags
Events11%
The event system
Building event emitters
Consuming event emitters
File System8%
Input/output
Watching
JavaScript Prerequisites7%
Language fundamentals
Scoped to core language features introduced since EcmaScript 1 and still heavily used today
Module system 7%
CommonJS Module System only
Process/Operating System6%
Controlling the process
Getting system data
Package.json6%
Package configuration
Dependency management
Unit Testing6%
Using assertions
Testing synchronous code
Testing asynchronous code
Exam Details & Resources
This exam is an online, proctored, performance-based test that requires implementing multiple solutions within a Remote Desktop Linux environment. Visual Studio Code, Vim and Webstorm (kindly sponsored by JetBrains) are included as editors in this environment.

The exam includes tasks simulating on-the-job scenarios, and Candidates have 2 hours to complete the tasks

Prerequisites
There are no pre-requisites for this exam.
Reviews
Dec 2024
I expected to sail through it, but having to respond from memory was a challenge, and I feel like I've had to earn the certificate. It definitely feels worth it.
Dec 2024
What I like about the exam is that it tests my knowledge with multiple subjects and specific exercises, and my response would be to know or not to know.
Aug 2024
I like the content being well rounded, and touching on multiple out of reach topics. I studied for and took this certificate to learn more about nodejs services. I come away better informed about the ecosystem. Worth the time investment.
Aug 2024
The content of the exam was pertinent, applicable, and surprisingly up to date (considering the difficulty thereof).
Jul 2024
The exam had me exploring the documentation, and learning new things on top of what was taught in the online course.
May 2024
The test description and subject focus are very well described! So we can train and learn what is needed before the exam.
Dec 2023
The exam was overall great, covering mostly the fundamental knowledge a service developer should know.
Aug 2023
I did see that the questions were actually about the things taught in the course.
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Includes
Online
Duration of Exam 2 hours
Certification Valid for 2 Years
Version of Software NodeJS Version 22 LTS
One Retake
PDF Certificate and Digital Badge
Performance-Based Exam
Experience Level: Intermediate
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