A room that reacts to every answer, and a debrief that tells you what to do next. Here's the whole thing, from first question to final score.
Start any round when you're ready. Talk through your answer, write real code, and field follow-ups on the exact thing you just said.
We learn how this company hires, so you practice the loop you'll actually sit, not a generic question bank.
It reads your answer and digs into the soft spot, the way a sharp interviewer would.
Scores set to the real bar for the level, with the reasoning shown. You see why, not just a number.
At the end you hear an honest, encouraging read of how it went, like a mentor walking you out.
A PDF of scores, gaps, and stronger answers, to reread the night before the real one.
Every round includes a retake, so a rough first run costs you nothing but the practice.
The debrief doesn't just mark you down. It hands you the stronger version of what you said, so the fix is obvious.
“We used Kafka because it scales well and the team already knew it, so it made sense for the pipeline.”
“We chose Kafka for durable replay and back-pressure under bursty load. We ruled out a direct queue because we needed to re-process a day of events after a bad deploy, and Kafka's retention made that a config change, not a rebuild.”
Forward a role or paste a job description. Meet the dossier, the room, and your debrief.