Welcoming questions
- Can you tell us about yourself and the front-end work you have shipped?
- Which interface you built are you most proud of, and why?
Role-specific / technical competencies
- How do you decide when to break UI into components, and how do you keep them reusable?
- Walk us through how you manage state in a medium-sized application.
- How do you find and fix a rendering performance problem?
- What is your approach to testing front-end code, and where do you draw the line?
- How do you handle an API that returns data in a shape awkward for the UI?
Behavioural & culture fit
- Tell us about a time you pushed back on a design for feasibility or UX reasons.
- Describe a bug that only happened in production. How did you track it down?
- How do you stay current with front-end tooling without chasing every trend?
Problem-solving / case
- Users on slow connections report the app feels broken. What do you investigate first?
- You inherit a component with 2,000 lines and no tests. It needs a new feature this sprint. What do you do?
- Design wants a complex animation that tanks performance on mid-range phones. How do you proceed?
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