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

OpenJS Node.js Services Developer (JSNSD)

The OpenJS Node.js Services Developer (JSNSD) certification tests and verifies candidates’ skills in creating RESTful Node.js Servers and Services (or Microservices) with a particular emphasis on security practices.

IMPORTANT: If you register for this certification exam, you are encouraged to 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
JSNSD is for the Node.js developer with at least two years of experience creating RESTful servers and services with Node.js. It is designed for anyone looking to demonstrate competence in creating RESTful Node.js Servers and Services (or Microservices) with a particular emphasis on security practices.
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About This Certification
The two-hour exam tests your skills in the areas of services, servers and security. Specific knowledge and skills tested are those an experienced Node.js developer would be expected to have. The exam is performance-based and includes items simulating on-the-job scenarios.
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What It Demonstrates
JSNSD certification demonstrates the ability to perform tasks in a real world-type environment, 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 constaints.
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Domains & Competencies
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Servers and Services70%
Implementing public facing web servers
Creating RESTful HTTP services
Consuming other HTTP services
Knowledge of HTTP verbs and status codes
Processing user input
Security30 %
Protecting against malicious input
Attack mitigation
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
Feb 2025
Questions were simple, so that someone already working for a while with Node (framework independent) can understand and answer.
Jun 2024
The exam was neatly structured. Most tasks were highly relevant to the course content.
Mar 2024
I like how it tackles real-world scenarios; the exam is challenging, and I got to enjoy it!
Aug 2023
I like the course accompanying this exam. That course does prepare us for the exam and gives the student a great learning experience. I learned a lot from that course.
Aug 2023
I liked how the environment had all the tools needed to complete the exam. The instructions were very well structured and easy to follow.
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Includes
Online
Duration of Exam 2 hours
Certification Valid for 2 Years
Version of Software NodeJS Version 22 LTS
Includes 12 Month Exam Eligibility
One Retake
PDF Certificate and Digital Badge
Performance-Based Exam
Experience Level: Intermediate
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