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Role-calibrated coding problems with a built-in editor, real-time AI feedback, and a hiring decision at the end. From Intern to Principal level.
Select from Intern through Principal. The AI calibrates problem difficulty, guidance, and evaluation bar to match.
The AI presents a role-appropriate coding problem with clear examples and asks you to start clarifying.
Use the built-in Monaco editor. Submit snapshots as you code — the AI sees your progress in real time.
Receive a hiring decision, 6-dimension score breakdown, strengths, and actionable improvements.
Select a role below, pick a language, and start immediately.
easy problems · 20 min
easy / medium problems · 25 min
medium / hard problems · 35 min
hard problems · 45 min
hard problems · 50 min
hard problems · 60 min