IntermediateBEHAVIORAL
Describe a time when usability testing or user feedback led you to significantly change an interface you had already designed. What was the original solution, what did the data show, and how did you iterate the UI/UX?
UI/UX Designer
General

Sample Answer

At a fintech startup, I redesigned the funds transfer flow to a clean 3-step wizard, expecting higher completion. (Situation) My task was to validate the new UI before launch. (Task) In moderated usability tests (Maze + Zoom) with 15 users, 60% hesitated at step 2 and 40% misinterpreted the “Schedule transfer” toggle as mandatory. Session replays and click maps showed repeated back-and-forth and hover time spikes over that toggle. (Action) I simplified copy, visually separated “Now” vs “Later” options, added inline examples, and reduced the steps from 3 to 2 by inlining confirmation. I re-tested with another 12 users. (Action) Results: transfer completion rate in production rose from 68% to 89%, errors on date selection dropped by 55%, and average time-to-complete decreased from 1:40 to 1:02. (Result)

Keywords

Used usability tests with concrete tools (Maze, Zoom, click maps) to uncover confusionIdentified specific UI element (toggle) causing 40% misinterpretationIterated with copy, layout simplification, and step reductionImproved completion rate from 68% to 89% and cut task time by ~38 seconds
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