How whiteboard design challenges are actually scored
While you talk, the interviewer is filling in a scorecard — and it almost never has a row for "drawing quality." Across companies the rubric converges on the same five dimensions this tool uses: did you frame the real problem, did you commit to a user, did you choose between options, did you name what your design costs, and could the room follow your thinking.
Two of those dimensions decide most outcomes. Framing, because everything downstream inherits it — a beautifully executed answer to the wrong problem scores worse than a rough answer to the right one. And trade-offs, because volunteering the cost of your own design is the clearest senior signal there is, and the one candidates most often skip. If your score above is dragged down by one dimension, fix that one first: a single habit usually moves two points, and interview outcomes move with it.
The honest way to use this rubric: do a timed run with the 45-minute timer, score yourself here immediately after, then read a worked walkthrough of the same challenge and score that answer too. The gap between the two scores is your prep plan.
Every challenge in the library ships with its own version of this rubric — weak answer vs. strong answer, per dimension, per prompt.
Browse the challenges →