UI/UX Designer interview questions & mock practice
What interview questions are asked for a UI/UX Designer?
A UI/UX Designer interview in 2026 runs across 4 rounds — portfolio review, design exercise / whiteboard, craft & tools, collaboration & behavioural. Below are the most-asked UI/UX Designer interview questions and a focused prep plan. Rehearse every answer with OnJob's free AI mock interview and get instant, specific feedback before the real one.
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The UI/UX Designer interview process
Design thinking, Figma, portfolios and usability — the product-design interview for startups, agencies and product companies.
Portfolio review
Walk through 2–3 case studies: problem, process, decisions, impact.
Design exercise / whiteboard
Solve a design problem live or as a take-home.
Craft & tools
Figma skills, design systems, prototyping and handoff.
Collaboration & behavioural
Working with PMs and engineers, handling feedback.
Most-asked UI/UX Designer interview questions
12 of the questions UI/UX Designer candidates are asked most often in India. Practise answering each one out loud in your AI mock interview.
- 1. Walk me through your favourite project in your portfolio.
- 2. What is the difference between UX and UI design?
- 3. Explain your design process from problem to final solution.
- 4. How do you conduct user research, and how does it shape your designs?
- 5. What is the difference between a wireframe, a mockup and a prototype?
- 6. How do you measure whether a design is successful?
- 7. How would you redesign [a common app] to improve a specific flow?
- 8. What is a design system and why does it matter?
- 9. How do you handle disagreement with a PM or developer about a design?
- 10. Explain accessibility and how you design for it (contrast, focus, screen readers).
- 11. How do you balance user needs with business goals?
- 12. Tell me about a design decision you made based on data or user feedback.
How to prepare for your UI/UX Designer interview
Your portfolio is the interview — frame each case study as a story: problem, constraints, process, decisions, measurable impact.
Be ready to defend design decisions with reasoning and data, not just 'it looked nice'.
Sharpen Figma craft: components, auto-layout, variants, prototyping and clean developer handoff.
Know UX fundamentals: heuristics, accessibility, information architecture and basic user-research methods.
Practice a live design exercise out loud — interviewers want to see how you think, not a polished pixel.
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Interview prep guides
UI/UX Designer interview — FAQs
What questions are asked in a UI/UX Designer interview?
Common UI/UX Designer interview questions include: Walk me through your favourite project in your portfolio. What is the difference between UX and UI design? Explain your design process from problem to final solution. How do you conduct user research, and how does it shape your designs? Interviews usually run across 4 rounds — Portfolio review, Design exercise / whiteboard, Craft & tools, Collaboration & behavioural. Practice all of them with instant AI feedback using OnJob's free mock interview.
How many rounds are in a UI/UX Designer interview?
A typical UI/UX Designer interview has 4 rounds: Portfolio review (Walk through 2–3 case studies: problem, process, decisions, impact.); Design exercise / whiteboard (Solve a design problem live or as a take-home.); Craft & tools (Figma skills, design systems, prototyping and handoff.); Collaboration & behavioural (Working with PMs and engineers, handling feedback.).
How do I prepare for a UI/UX Designer interview?
To prepare for a UI/UX Designer interview: Your portfolio is the interview — frame each case study as a story: problem, constraints, process, decisions, measurable impact. Be ready to defend design decisions with reasoning and data, not just 'it looked nice'. Sharpen Figma craft: components, auto-layout, variants, prototyping and clean developer handoff. Then run a full AI mock interview on OnJob to rehearse out loud and get instant, specific feedback before the real thing.
What skills do I need for a UI/UX Designer role?
Core UI/UX Designer skills tested in interviews include Figma, User Research, Wireframing, Prototyping, Design Systems, Usability, Accessibility. OnJob shows you exactly which of these skills stand between you and a 100% match on every live UI/UX Designer job.
Is OnJob's UI/UX Designer mock interview free?
Yes. OnJob's AI mock interview is free to start (₹0) and gives you instant feedback on your answers. Pro (₹99/month) adds unlimited interview-prep AI alongside recruiter tracking and unlimited applications.
Ace your UI/UX Designer interview
Rehearse every UI/UX Designer question out loud with OnJob's AI mock interview and get instant, specific feedback. Then apply to AI-matched jobs in one click — free to start.
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