What You Need to Know About OpenJS Node.js Certification Programs

Professional Opinions from Node.js Experts

Robin Ginn, Executive Director of the OpenJS Foundation : “The OpenJS Node.js professional certification program helps developers demonstrate real‑world Node.js proficiency and provides a vendor‑neutral framework created by experienced community members.”

Luca Maraschi, Chief Architect at TELUS : “A skilled talent pipeline is crucial for TELUS; we are confident these certifications will highlight the right Node.js skills and help our developer community thrive.”

Todd Moore, Chair of the OpenJS Foundation Board : “These exams represent an exciting step for the foundation, offering developers a way to validate their knowledge of this critical technology.”

Cian Ó Maidín, CEO & Founder of NearForm : “Certification marks an important milestone for Node.js, providing formal materials and exams to support the next wave of enterprise adoption.”

Russ Whitman, CEO of NodeSource : “We are thrilled to see this program in action, creating opportunities for developers to verify their skills and improve the services built with Node.js.”

OpenJS Node.js Application Development Certification

The OpenJS Node.js Application Development certification is designed for developers with at least two years of Node.js experience who want to demonstrate their ability to build any type of application, focusing on core API knowledge.

JSNAD Domains & Competencies

Buffer and Streams – 11%

Node.js Buffer APIs

Incremental Processing

Transforming Data

Connecting Streams

Control flow – 12%

Managing asynchronous operations

Control flow abstractions

Child Processes – 8%

Spawning or executing child processes

Child process configuration

Diagnostics – 6%

Debugging Node.js

Basic performance analysis

Error Handling – 8%

Common patterns

Handling errors in various scenarios

Node.js CLI – 4%

Node executable command line flags

Events – 11%

The event system

Building event emitters

Consuming event emitters

File System – 8%

Input/output

Watching

JavaScript Prerequisites – 7%

Language fundamentals

Core language features since ECMAScript 1

Module system – 7%

CommonJS Module System only

Process/Operating System – 6%

Controlling the process

Getting system data

Package.json – 6%

Package configuration

Dependency management

Unit Testing – 6%

Using assertions

Testing synchronous code

Testing asynchronous code

OpenJS Node.js Service Development Certification

This certification targets developers with at least two years of experience building RESTful servers and microservices with Node.js, emphasizing security practices.

JSNSD Domains & Competencies v1.0

Servers and Services – 70%

Implementing public‑facing web servers

Creating RESTful HTTP services

Consuming other HTTP services

Knowledge of HTTP verbs and status codes

Processing user input

Security – 30%

Protecting against malicious input

Attack mitigation

About the Exam

The exam is a performance‑based, online, hosted test run in a remote‑desktop Linux environment that includes Visual Studio Code and Vim editors.

It simulates real‑world project scenarios; candidates have two hours to complete it.

Certificates are issued individually for each passed exam, are verifiable, and are valid for three years with renewal options.

The cost is $300 USD, with a free retake if the first attempt fails.

About the OpenJS Foundation

The OpenJS Foundation supports the health of the JavaScript ecosystem and web technologies by providing a neutral organization to host projects and fund community activities. It comprises 32 open‑source JavaScript projects, including Node.js, and is backed by companies such as Google, IBM, Intel, Joyent, and Microsoft.

Reference

https://openjsf.org/blog/2019/10/22/openjs-foundation-launches-new-professional-certification-program-to-support-the-future-of-node-js-development/

https://training.linuxfoundation.org/certification/jsnad/

https://training.linuxfoundation.org/certification/jsnsd