Intern - User Centered Design (Summer 2027)
Posted Sep 1, 2026 · We last checked this listing on Oct 6, 2026
Likely interview questions for this role
Written from this job description, not a generic list. Each one notes what the interviewer is really checking.
About your past
Walk me through a design project from your portfolio. What problem were you solving and how did you learn about the users?
What they are checking: Whether they start from user research and can explain their reasoning, not just show finished screens.
Tell me about a time user feedback proved your design idea wrong.
What they are checking: Whether they welcome evidence against their ideas instead of defending their first design.
How do you explain a design decision to someone who isn't a designer?
What they are checking: Whether they can tie decisions to user needs and evidence rather than personal taste.
What do you hope to learn this summer?
What they are checking: Whether they have clear goals and curiosity that would help them get the most from the internship.
What would you do
An engineer says your design is too hard to build. How do you respond?
What they are checking: Whether they can work with engineering constraints and find a solution that still serves users.
How would you design a screen for a user wearing gloves in a busy environment?
What they are checking: Whether they think about real use conditions like touch targets, glare and distraction, not just desktop mockups.
About the work
Plexus helps design products like surgical systems and diagnostic instruments. What changes when you design for a medical device user?
What they are checking: Whether they understand that usability mistakes can harm patients, so safety and clarity come first.
How would you run a usability test on a prototype with five users?
What they are checking: Whether they know how to plan tasks, observe without leading and turn findings into changes.
What design and prototyping tools are you comfortable with?
What they are checking: Whether they have the hands-on skills to contribute quickly during a summer internship.
What do you know about accessibility, and how would you apply it to physical product interfaces?
What they are checking: Whether they think about users with different abilities across both screens and physical controls.
Practice this interview out loud.
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Practice this out loudThe full job description
As published by Plexus.