User Interface and User Experience Design Questions

Covers the principles and execution of designing intuitive, usable, and polished digital interfaces. Topics include visual design fundamentals such as layout, visual hierarchy, typography, color, spacing, and contrast; accessibility considerations including color contrast, keyboard navigation, labeling, and assistive technology support; component and pattern design for consistent reusable interfaces; form design, navigation, and information architecture that guide user flows; interaction design and microinteraction practices including states for hover, focus, active, disabled, loading, and error, as well as feedback patterns and motion to communicate system status; handling edge cases and error states gracefully; responsive and platform specific design considerations; prototyping, design to implementation handoff, and basic usability validation and metrics. Candidates should be prepared to explain design decisions, demonstrate familiarity with trade offs between aesthetics and usability, and discuss how interaction details improve task completion and user satisfaction.