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Startup interviews are fast, practical, and cover everything — from React to deployment.
Walk me through how you'd build a simple authentication system.
How to approach it
JWT vs sessions; bcrypt for passwords; refresh tokens.
What's the difference between SSR, SSG, and CSR?
How to approach it
Use Next.js as the example — you know it already.
How do you optimise a slow PostgreSQL query?
How to approach it
EXPLAIN ANALYZE, add indexes, avoid N+1 queries.
Describe a side project you're proud of.
How to approach it
Show curiosity and shipping — not just homework projects.
How would you handle a production outage at 2am?
How to approach it
Runbook, on-call rotation, postmortem culture.
Our AI mock interviewer asks you these exact questions, listens to your spoken answer, and scores you on confidence, clarity, and technical accuracy — exactly like the real thing.