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 out loud with the free timed practice below before the real one.
- Figma
- User Research
- Wireframing
- Prototyping
- Design Systems
- Usability
- Accessibility
Free interview practice · UI/UX Designer
Practise your UI/UX Designer interview now — free
Step through the 12 most-asked UI/UX Designer questions one at a time, under a timer, just like the real thing. Jot your answer, then reveal what a strong answer covers. No signup needed to practise.
The UI/UX Designer interview process
Design thinking, Figma, portfolios and usability — the product-design interview for startups, agencies and product companies.
1. Portfolio review
Walk through 2–3 case studies: problem, process, decisions, impact.
2. Design exercise / whiteboard
Solve a design problem live or as a take-home.
3. Craft & tools
Figma skills, design systems, prototyping and handoff.
4. 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 the timed practice above.
- 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. Practise them with the free timed practice on this page.
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 rehearse every question out loud with the timed practice on this page 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 the UI/UX Designer mock interview practice free?
Yes. The questions, the answer guidance and the timed practice on this page are free and need no signup. With a free OnJob account you can also take timed role tests and free certification tests. Personalised AI role and skill tests are part of the paid plans.
Ace your UI/UX Designer interview
Rehearse every UI/UX Designer question out loud on this page, then sign in to take a timed role test or a free certification in the OnJob practice hub.
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