Sample Answer
Situation: At FinServe (a B2B payments product) we had a 2-week request to add a one-click invoice export with no research. Task: As lead UX designer I had to deliver a usable MVP that mitigated risk and demonstrated value. Action: I split work into a one-week discovery + one-week build. Discovery used lightweight, high-impact methods: rapid stakeholder interviews (3 PMs/sales reps), analytics review (Amplitude to identify top 20% of invoice flows accounting for 85% of traffic), and guerrilla usability testing—5 moderated sessions via Lookback targeting power users recruited from our customer Slack. I created a clickable Figma prototype and ran a 24-hour remote unmoderated Maze test (n=50) to validate task success and time-on-task. I instrumented the prototype with Hotjar heatmaps and set up feature flags in LaunchDarkly + A/B in Optimizely for a controlled rollout. Result: We shipped the MVP in the 2-week window, observed a 30% reduction in export time and a 12% lift in invoice export conversion in the first month, with zero major usability regressions identified.
Keywords
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