lvlUpSysDesign

lvlUp gives you a timed system design interview on paper and grades the pages you draw. It hands you one real system design question, starts a 35 minute clock, and walks you through the four steps of the ritual. You work it out with a pen, photograph your pages, and send them in. A minute later you have a debrief: a score out of 100 across six dimensions, the evidence behind each one read off your own page, what worked, the gaps, and one drill to run next. THE RITUAL Four steps, one clock, no restarts. Framing, 5 minutes. Restate the problem. Agree on scope, users and success in one sentence. Estimates, 10 minutes. The five slots: volume, requests per second with a peak multiplier, payload and egress, concurrency, and the judgment line. Design, 15 minutes. Boxes and arrows, only after the numbers exist. Parking lot, 5 minutes. Every open question lands here, and then you close them out.…