Backend Developer Interview Questions

A backend interview is five or six different interviews wearing one name, and each stage fails you for a different reason. Pick the one you keep losing.

Call with HR7 chapters · 1 freeThe first call is a filter, not a formality. Salary expectations, the "tell me about yourself" trap, and how to sound human.
Technical Interview26 chapters · 1 freeACID, isolation levels, indexes, locking, concurrency, Kafka, Kubernetes, microservices — the follow-up questions that decide the room.
Coding Interview2 chapters · 1 freeWhat to do about LeetCode when you are interviewing for a backend role, and how much of it actually matters.
System Design11 chapters · 1 freeCAP, SQL vs NoSQL, protocols, back-of-the-envelope maths, and the universal patterns that fit most system design prompts.
Behavioral Interview9 chapters · 1 freeConflict, failure, testing habits, code smells — the soft questions that engineers underestimate and interviewers weight heavily.
AI4 chapters · 1 freeHow to talk about AI tooling in an interview in 2026 without sounding either terrified of it or dependent on it.