IntermediateBEHAVIORAL
Tell me about a situation where engineering pushed back on your interaction design (for example, due to complexity, performance, or technical limitations). How did you adapt the UX while preserving the core user value?
UI/UX Designer
General

Sample Answer

Situation: At Finlytics, I designed an animated, real-time portfolio dashboard. Engineering flagged performance risk on low-end devices and a 4-week extra build. Task: Preserve the core value—quick, at-a-glance understanding of portfolio health—while reducing complexity. Action: I ran a short design spike with the tech lead. We replaced continuous animations with state-based microinteractions, reduced real-time updates to 15-second polling, and reused existing chart components from our React/Storybook library. I usability-tested 10 customers remotely via Lookback; comprehension stayed at 92% and task time increased by only 6s. Result: Engineering cut estimated build time by 35% and avoided performance issues, while NPS for the dashboard improved from 32 to 48 after launch and support tickets for "confusing data" dropped by 41% in the first month.

Keywords

Clarify the core user value before compromising on interactionsCo-create constraints and alternatives with engineering, not in isolationUse quick usability tests to validate lower-complexity optionsShow impact via engineering effort saved and user outcomes
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