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Lead Backend Developer Interview Questions

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15,484 lead backend developer interview questions shared by candidates

This interview had multiple smaller questions regarding my technical background and how I would respond in various situations. 1. What big problems have you solved in a backend in the past? 2. You receive an alert in pagerduty and its warning you that one of our database instances is getting a very high CPU load. What do you do? Where do you start looking? 3. API server is not responding any more. How do you debug that? 4. API server responds slower than usual. What then? 5. Your entire infra becomes slower in production. How do you deal with it? Canary deployments?
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Backend Engineer

Interviewed at Sysdig

3.5★
Mar 6, 2022

This interview had multiple smaller questions regarding my technical background and how I would respond in various situations. 1. What big problems have you solved in a backend in the past? 2. You receive an alert in pagerduty and its warning you that one of our database instances is getting a very high CPU load. What do you do? Where do you start looking? 3. API server is not responding any more. How do you debug that? 4. API server responds slower than usual. What then? 5. Your entire infra becomes slower in production. How do you deal with it? Canary deployments?

I was able to clear the aptitude round. In the technical interview-1, I was asked about the projects I have mentioned in my resume and a problem on binary trees. In next technical round, I was asked to explain any one algorithm I know and about me projects. The CTO round was a discussion based round in which I was asked basic technical questions.
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Backend Developer

Interviewed at Zopper

3.9★
Mar 4, 2024

I was able to clear the aptitude round. In the technical interview-1, I was asked about the projects I have mentioned in my resume and a problem on binary trees. In next technical round, I was asked to explain any one algorithm I know and about me projects. The CTO round was a discussion based round in which I was asked basic technical questions.

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