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mock-interview/be · mid · 30 min · technicalREC
AI interviewer

Explain idempotency in REST. Which methods must be idempotent, and why does it matter for retries?

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AI interviewer

Follow-up: how would you make a payment endpoint idempotent in practice?

Live score84/100
Correctness9/10
Structure (STAR)7/10
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What is the difference between a process and a thread?

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AI interviewerTell me about a time you shipped something you were not sure about.
YouAt my last job we had three days to migrate the auth service…
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Correctness8/10
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Which HTTP status means the resource moved permanently?

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›3+ years with Node.js and PostgreSQL

›Designs REST APIs, owns CI/CD

›Mentors juniors, reviews code

12 tailored questions
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