Backend Engineer
Backend interview questions — answered from your CV
System design, data modeling, reliability — the backend interview canon. Paste your job link and get the 12 questions THIS company will ask, with target answers built from your real experience.
1
Design a rate limiter for a public API. What changes at 100x the traffic?
2
How do you decide between SQL and NoSQL for a new service?
3
Tell me about the most complex data migration you've run. What went wrong?
4
How do you make a critical endpoint idempotent?
5
Walk me through debugging a latency spike in production.
6
How do you version an API that external customers depend on?
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