Assess Node.js developers on real-world backend challenges. Test Express middleware, async patterns, database operations, and API design principles that matter in production.
45-60 minutes · Junior → Mid-Level → Senior → Lead
Build an Express API with authentication middleware
Build an Express API with authentication middleware
Implement rate limiting and request validation
Create a file upload service with processing
Design error handling middleware
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Challenges match your exact requirements, not generic templates
Skill breakdowns and code quality analysis for each candidate
Plagiarism detection and monitoring built-in
Paste your job description — get a complete Node.js assessment in minutes.
45-60 minutes per candidate · proctored · AI-graded