Senior Backend Developer Interview Questions

1,045 senior backend developer interview questions shared by candidates

1. CRUD over HTTPS: They asked questions about implementing RESTful endpoints (POST, GET, PUT, DELETE) and handling HTTP requests correctly. 2. Code organization: They emphasized writing clean code, making each function do one clear job. This tested my ability to structure code for maintainability. 3. Callback function challenge: There was a small coding exercise involving streams and callbacks, where I had to select a random element fairly from a stream of data.

Senior Backend Developer

Interviewed at Agentifai

4
Sep 10, 2025

1. CRUD over HTTPS: They asked questions about implementing RESTful endpoints (POST, GET, PUT, DELETE) and handling HTTP requests correctly. 2. Code organization: They emphasized writing clean code, making each function do one clear job. This tested my ability to structure code for maintainability. 3. Callback function challenge: There was a small coding exercise involving streams and callbacks, where I had to select a random element fairly from a stream of data.

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