What React questions do startups ask?
Practical building: building UIs from scratch under time, real API integration, auth and real-time features, and shipping. Machine coding rounds are common, and they value day-one productivity over deep fundamentals alone.
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More FAQs in React Interview Questions at FAANG vs Startups: What's Different
FAANG leans on fundamentals, depth, and DSA: hooks internals, performance, complex state, and architecture. Startups lean on practical building: machine coding, real API integration, auth, real-time, and deployment. Both test different skills.
Deep questions on hooks rules and internals, re-renders and performance with measurement, complex state management, library trade-offs like Redux vs Context, and architecture. FAANG values fundamentals and engineering judgment, plus DSA alongside React.
For FAANG, go deep on hooks, performance, and architecture, plus DSA. For startups, build real projects with auth, real-time, and deployment, and practice machine coding. Aim to be strong in both fundamentals and practical building.
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