React appears in 44.7% of Stack Overflow survey responses among web frameworks—still the default UI layer for many product teams (Stack Overflow 2025 Technology). Your interview should test component judgment, not whether they memorized hook rules.
These five questions align with themes Indeed lists for front-end developers: frameworks like React, DOM behavior, debugging, performance, and shipped experience (Indeed: Front-end developer interview questions).
1. “How do you decide what belongs in a component vs a hook vs shared utility?”
Strong candidates talk about cohesion, reuse, and test boundaries. Weak answers split files randomly or copy-paste JSX until it “feels right.”
2. “Walk me through state you lifted up—and state you regretted lifting.”
Indeed’s front-end guides emphasize real project experience. Listen for prop-drilling pain, context or store choices, and whether they can undo a bad abstraction.
3. “What made a React screen slow, and how did you fix it?”
Performance questions separate tutorial React from production React. Good answers mention profiling, memoization used sparingly, list virtualization, or data-fetch waterfalls—not premature useMemo everywhere.
4. “How do you test React behavior without brittle snapshot-only coverage?”
You want user-centric tests (Testing Library style), critical paths covered, and honest gaps. Snapshots alone are a yellow flag.
5. “What accessibility checks do you run before shipping a form or modal?”
Indeed lists accessibility among front-end expectations. Strong candidates mention labels, focus traps, keyboard paths, and screen-reader checks—not “we use a component library so it’s fine.”
Turn answers into comparable evidence
Capture one component-boundary example, one state decision, one performance fix, and one a11y habit. Keep notes on the candidate record for a fair debrief.
One scorecard for every finalist
Use the same five questions for each candidate for this opening. Consistent questions support consistent evaluation, which aligns with EEOC guidance for employers to apply the same standards to applicants for the same position (EEOC).
Use Canvider JobCraft to define React level and product context in the JD, InterviewGen for gap-based follow-ups, and DecisionHelper to compare finalists on the criteria you published.
Next step: Explore InterviewGen and DecisionHelper, then get started free.