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Level 2 · Intermediate Programming Languages

Node.js Professional Node.js Professional

Verify your intermediate Node.js skills: authentication, database patterns, WebSockets, worker threads, security hardening, API design, testing, deployment, and production best practices.

Skills Tested
  • Authentication & Authorization (JWT, OAuth, sessions)
  • Database Patterns (ORMs, connection pooling, migrations)
  • WebSockets & Real-time
  • Worker Threads & Clustering
  • Security Hardening (helmet, rate limiting, CORS)
  • API Design (REST, validation, versioning)
  • Deployment & Process Management (PM2, Docker)
  • Testing (supertest, integration tests)
Assessment Details
25
Questions
78%
To Pass
50 min
Time Limit
Pass Rate

  • Questions are drawn randomly from the question pool each attempt
  • Answers cannot be reviewed after submission
  • Escalating cooldown between attempts: 8h, 24h, 72h, then 1 week
  • Certificates include a shareable verification token
  • Open Badges 2.0 compliant. Add to LinkedIn and digital wallets
Track
Programming Languages → Node.js
Part of Career Paths
Full-Stack Node.js Developer