InterviewDB Experience

Backend Practical Questions: Hands-On Debugging and API Design Round

Backend Onsite

Interview Experience

Format: Practical onsite round — mix of live debugging, REST API design, and SQL query writing. Expect a shared editor with pre-written code containing bugs. Section 1 — Debugging You are given a Flask endpoint that is returning 500 errors intermittently: Identify and fix all three bugs. Section 2 — API Design Design REST endpoints for a basic order management system: create order, update order status, list orders by customer with pagination. Discuss: idempotency keys, HTTP status code choices,…

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About This Question

This is a candidate experience report from a scale ai interview for a backend role during the onsite round.

It covers the following topics: Coding, Sql, Onsite .