Node.js Development Certification
Tests Node.js — the event loop, async patterns, modules, npm and package security, building HTTP APIs, streams, error handling and running Node in production. Pass to earn Node.js Development SOA-NODE.
- Intermediate difficulty.Assumes hands-on experience in the role.
- 15 scenario questions
- 15 minutes, timed
- 70% to pass · 90% for distinction
- Free no sign-up needed
- LinkedIn-ready · add it to your profile in one clickSee how ↓
What is the Node.js Development Certification?
The Node.js Development Certification is a free 15-minute skill test from Science of Apps. It tests Node.js — the event loop, async patterns, modules, npm and package security, building HTTP APIs, streams, error handling and running Node in production. Score 70% or more on its 15 questions to earn a verifiable Node.js Development certificate (SOA-NODE). Every question is based on published standards and research — including Learn Node.js (OpenJS Foundation), OWASP Cheat Sheet Series (OWASP), Node.js releases (OpenJS Foundation) — and each answer is explained with its source.
Built for your job title
Node.js developer, Back-end developer, Full-stack JavaScript developer, API developer and DevOps engineer — and anyone who wants quick, verifiable proof of Node.js Development skills for a CV or LinkedIn.
- Node.js developer
- Back-end developer
- Full-stack JavaScript developer
- API developer
- DevOps engineer
Land the job, not just the certificate
Career guide · 8 min readHow to get a Node.js developer job in 2027: the event loop, async patterns and the back-end skills employers test
How to get a Node.js developer job in 2027: the event loop, async patterns, APIs, security and testing skills employers test, pay and a plan.
Read the hiring playbook →What the test covers
Three skill areas with 5 questions each, drawn from a bank of 10 per area, so a retake brings questions you haven't seen.
- 01
Node.js runtime
33%- Event loop
- Async patterns
- Modules and npm
- 02
Building services
33%- HTTP APIs
- Streams and performance
- Errors and production
- 03
Security, testing and modern Node
33%- Built-in test runner
- Security practices
- TypeScript and ESM
Based on published standards
The questions are original scenarios, and each one names the public standard, official guide or research it draws on — shown under the question while you answer, and linked in your review. These are the sources behind this test:
- Learn Node.jsOpenJS Foundation20 questions
- OWASP Cheat Sheet SeriesOWASP5 questions
- Node.js releasesOpenJS Foundation2 questions
- OWASP Top 10OWASP1 question
- Site Reliability EngineeringGoogle1 question
- Application Security Verification StandardOWASP1 question
Try a sample question
What does process.env give you?
- Access to environment variables
- The current directory listing
- CPU usage
- The npm registry
Show the answer
A. Access to environment variables — Environment variables configure apps per environment. The real test has 15 questions like this.
How the test works
15 minutes, 15 questions
One question per screen, with a progress bar and a countdown. Your progress is saved on this device if you need to pause.
Graded on our server
Answers reach the page only after you submit, so the certificate can only be earned by passing.
Every answer explained
Pass or not, you see every question with the right answer, why, and the source behind it. Pass mark 70%, distinction 90%.
Your certificate
Founder-signed, with a QR code and credential ID. Download PDF or PNG, add to LinkedIn, and it's emailed to you.
What you earn

Pass, then add it to LinkedIn in one click
No typing. The Add to LinkedIn button opens your profile’s Licenses & certifications form already filled in: the certificate name, Science of Apps as the issuer, the issue date, your credential ID and a link recruiters can use to verify it.
- 1Take the 15-minute test
- 2Score 70% or more
- 3Click Add to LinkedIn

Node.js Development
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Frequently asked questions
What is the Node.js Development Certification?
The Node.js Development Certification is a free 15-minute skill test from Science of Apps. It tests Node.js — the event loop, async patterns, modules, npm and package security, building HTTP APIs, streams, error handling and running Node in production. Score 70% or more on its 15 questions to earn a verifiable Node.js Development certificate (SOA-NODE). Every question is based on published standards and research — including Learn Node.js (OpenJS Foundation), OWASP Cheat Sheet Series (OWASP), Node.js releases (OpenJS Foundation) — and each answer is explained with its source.
How do I take the Node.js Development Certification for free?
Read the three skill areas on this page, then take the 15-minute test online — no fee, course or sign-up. You see every answer explained when you finish. Score 70% or more and you get a Node.js Development certificate straight away, on screen, as a PDF and by email, with a credential ID anyone can verify.
Are the Node.js Development Certification questions based on real standards?
Yes. The questions are original scenarios written by Science of Apps, and each one is based on a public source you can read: Learn Node.js (OpenJS Foundation); OWASP Cheat Sheet Series (OWASP); Node.js releases (OpenJS Foundation); OWASP Top 10 (OWASP); Site Reliability Engineering (Google); Application Security Verification Standard (OWASP). The source is shown under each question and linked in the answer review. Science of Apps doesn't copy questions from other tests.
What does the Node.js Development Certification cover?
Three skill areas with five questions each, drawn from a bank of 10 per area so a retake brings new questions: Node.js runtime (Event loop, Async patterns and Modules and npm); Building services (HTTP APIs, Streams and performance and Errors and production); Security, testing and modern Node (Built-in test runner, Security practices and TypeScript and ESM). Every question is an original scenario based on a published standard, official documentation or research, named under the question.
Who should take the Node.js Development Certification?
Node.js developer, Back-end developer, Full-stack JavaScript developer, API developer and DevOps engineer. It suits anyone who wants a quick, verifiable way to show Node.js Development skills, from students and career switchers to experienced professionals.
Can I take the Node.js Development Certification from any country?
Yes. The test is online, in English and free everywhere — people take it from India, the US, the UK, Europe, Africa, Latin America and Asia-Pacific. Your certificate is dated with your own local date and can be verified from anywhere at scienceofapps.com/certification/verify/.
How long is the Node.js Development Certification?
15 questions — 5 from each of 3 skill areas — with a 15-minute limit. You need 70% (11 of 15) to pass and 90% for distinction.
How hard is the Node.js Development Certification?
We rate it Intermediate: assumes hands-on experience in the role. It has 15 scenario questions — 5 from each of 3 skill areas — and a 15-minute limit. You need 70% (11 of 15) to pass and 90% for distinction.
How do I prepare for a Node.js developer job?
To get a Node.js developer job in 2027, show you understand how Node works and can run it in production: the event loop, promises and async/await, HTTP APIs with Express, Fastify or NestJS, streams, error handling, security and testing, usually in TypeScript. Build one deployed API with a database, auth and tests; Node.js developers in India typically earn ₹6.9–7.6 lakh, ₹7.9–8.8 lakh at 3–6 years. Our full career guide covers the hiring process, interview loop, pay and a prep plan: scienceofapps.com/blog/nodejs-development-career-guide/
How much do Science of Apps certifications cost?
Nothing. There is no fee to take a test, to receive the certificate, to have it emailed or to verify it, and no sign-up.
How are the tests graded?
On our server, not in your browser. The answers never reach the page until you submit, so a certificate can only be earned by passing. Each certificate gets a unique credential ID stored by Science of Apps.
What happens if I don't pass?
You see your score for each area and every question with the correct answer and why, with the published source behind it. You can retake after 30 minutes, and the retake draws questions you haven't seen yet.
Do the certificates expire?
No. Every certificate is dated, so it always shows when you passed. Retake a test any time for a newer date or a higher score.
Can I add the certificate to LinkedIn?
Yes. After you pass, Add to LinkedIn opens the Licenses & certifications form with the certificate name, Science of Apps as the issuer, the issue date, your credential ID and the verification link filled in. You can also download it as a PDF or PNG, and it's emailed to you as a PDF.
How can an employer verify my certificate?
Every certificate has a credential ID and a QR code. Scanning it, or entering the ID at scienceofapps.com/certification/verify/, shows the holder's name, the certification, the score and the issue date from our records.
Are these accredited qualifications?
No. They are Science of Apps' own assessments of applied skill. They aren't issued by a university or standards body, and they work best alongside a portfolio that shows the skills in real work.
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Read before you test
- Career guidesHow to get a Node.js developer job in 2027: the event loop, async patterns and the back-end skills employers testHow to get a Node.js developer job in 2027: the event loop, async patterns, APIs, security and testing skills employers test, pay and a plan.
- Career guidesHow to get a back-end developer job in 2027: APIs, databases and the design round that decides itHow to get a back-end developer job in 2027: the API, database, security and system-design skills employers test, the interview loop, pay in India and a plan.
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- Career guidesHow to get a full-stack developer job in 2027: what "full stack" really means to employers, and how to prove itHow to get a full-stack developer job in 2027: front-end, back-end and deployment skills employers test, the interview loop, pay and a plan.
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