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Stage 11 · Lesson 14 of 18

Product design interview preparation

Common rounds and questions.

  • Intermediate
  • 30 min
  • 3 check questions
  • Exercise: 1 h

By the end of this lesson you can

  • Prepare for the common stages of a design interview process.
  • Answer behavioural questions with structured stories.
  • Research the organisation and prepare good questions.

The idea

Design hiring processes usually include several stages: a screening call, a portfolio review or presentation, a design exercise (live or take-home), behavioural interviews and sometimes a meeting with leadership.

Behavioural questions

Questions like "Tell me about a time you disagreed with a product manager" are best answered with the STAR structure: Situation, Task, Action, Result. Prepare five to eight stories covering conflict, failure, influence, ambiguity, collaboration and impact.

Research the organisation

Use their product, read their job description closely and look for public information about their design team. Note one or two ideas or questions about their product.

Questions to ask

  • How is design involved in deciding what to build?
  • How does the team do research?
  • What would success look like in this role after six months?
  • What are the biggest challenges for the team right now?

Take-home exercises

Clarify the time expected and stick to it. Show your process and assumptions, not just polished screens.

Why it matters in real projects

Preparation turns interviews from stressful guesswork into confident conversations. Structured stories make your experience memorable and show reflection. Good questions show genuine interest and help you decide whether the job is right for you, since interviews work in both directions.

A realistic example

Asked about a failure, a candidate uses STAR: "Situation: we launched a new search feature. Task: I designed the results page. Action: we skipped testing to hit a deadline, and usage was low; I ran quick tests after launch and found the filters were hidden. Result: we moved filters into view and usage doubled. Since then I always push for at least one round of testing, even if it is small."

Step by step

  1. Map the process

    Ask the recruiter what stages to expect.

  2. Write STAR stories

    Prepare five to eight stories.

  3. Research

    Use the product and read about the team.

  4. Prepare questions

    Write four or five thoughtful questions.

  5. Practise

    Do a mock interview with a peer.

  6. Reflect afterwards

    Note what went well and what to improve.

Common mistakes

  • Mistake Rambling answers.

    Instead Use STAR and keep to two minutes.

  • Mistake No questions for the panel.

    Instead Prepare thoughtful questions.

  • Mistake Spending too long on take-homes.

    Instead Agree and respect the time limit.

Check your understanding

Choose an answer, then check it. There is an explanation either way.

Question 1 of 3What does STAR stand for?
Show answer

Situation, Task, Action, Result. A structure for behavioural answers.

Question 2 of 3Why ask questions at the end?
Show answer

To show interest and assess fit. Interviews go both ways.

Question 3 of 3What matters most in a take-home?
Show answer

Process and assumptions within the time limit. Show thinking.

Practice exercise

Exercise · about 1 h

Story bank

Build a bank of interview stories.

Steps

  1. List six themes: conflict, failure, influence, ambiguity, collaboration, impact.
  2. Write a STAR story for each.
  3. Practise telling two aloud in under two minutes.
  4. Write four questions to ask a design team.

Deliverable

A story bank and question list.

Self-assessment

Tick each item when it is true of your exercise. Be honest; this is for you.

4 items

Summary

  • Know the interview stages.
  • Use STAR for behavioural answers.
  • Research the organisation.
  • Ask good questions.

Further reading

Third-party sources, chosen for reliability. They open in a new tab.

Your notes

Marking complete updates your course and roadmap progress.

Back to Portfolio and career readiness Roadmap