jobby, ai interview prep

Practice system design interviews with a voice-based AI interviewer that talks back, pushes back, and scores you. Speak your design out loud. The interviewer listens, asks follow-ups, and challenges your decisions — just like the real thing. 90 curated problems across three tiers. Set the difficulty, duration, and interviewer style from Friendly to Adversarial. Get scored on 6 dimensions after every session with specific feedback on how to improve. Pause and resume anytime. 10 unique interviewer voices. Track your progress with session report cards and streaks. Built for software engineers. Available 24/7.