Lead Backend Developer Interview Questions

12,393 lead backend developer interview questions shared by candidates

First Interview: tell me about yourself? Second one: going through source code and trying to implement a business logic Third one: focus on how you work with the team like do you use story point in jira? what do you think about working onsite? what is your hobbies? did you use our app to practice?
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Backend Developer

Interviewed at Freeletics

3.8
Feb 8, 2025

First Interview: tell me about yourself? Second one: going through source code and trying to implement a business logic Third one: focus on how you work with the team like do you use story point in jira? what do you think about working onsite? what is your hobbies? did you use our app to practice?

- Tell me about yourself - Why do you want to work at AssemblyAI and how did you hear about us? - Have you had a chance to use our product, either via the API or our sandbox? - What is a programming language you have enjoyed using recently, and how would you convince people to use new language(s) in an enterprise setting? - How would you handle tech debt and what does tech debt mean to you?
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Junior Backend Engineer

Interviewed at AssemblyAI

3.6
Oct 10, 2022

- Tell me about yourself - Why do you want to work at AssemblyAI and how did you hear about us? - Have you had a chance to use our product, either via the API or our sandbox? - What is a programming language you have enjoyed using recently, and how would you convince people to use new language(s) in an enterprise setting? - How would you handle tech debt and what does tech debt mean to you?

Asked why I attended the university I graduated from, even though it had been 5+ years of me leaving college? While this could be asked, just was odd that there were no questions on any of my professional experience at all.
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Backend Engineer

Interviewed at Vannevar Labs

3.9
Jun 25, 2024

Asked why I attended the university I graduated from, even though it had been 5+ years of me leaving college? While this could be asked, just was odd that there were no questions on any of my professional experience at all.

Q1. A street contains few light lamps with given intensity, we need to tell minimum bulbs required to light up the street. No. denotes the intensity of light, how many blocks it can light up along with itself. 0 -> lights up only itself 1-> lights itself as well as 1 before it and 1 after it. and so on. -1-> faulty lamp e.g. Input [1,0,2,2,-1,1] output minimum 2 street lamps are required to light this up. Explanation , only street lamps at index 2 and 5 are required to light whole street as their intensity can light other blocks as well. Q2. maximum area under a historgram Input : 2,1,4,5,3,2 (height of bar) output : 8 block area is maximum created by 4,5 values at index 2,3. Area is 2*4 blocks wide.
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SDE-2 Backend

Interviewed at PayU

3.6
Aug 29, 2021

Q1. A street contains few light lamps with given intensity, we need to tell minimum bulbs required to light up the street. No. denotes the intensity of light, how many blocks it can light up along with itself. 0 -> lights up only itself 1-> lights itself as well as 1 before it and 1 after it. and so on. -1-> faulty lamp e.g. Input [1,0,2,2,-1,1] output minimum 2 street lamps are required to light this up. Explanation , only street lamps at index 2 and 5 are required to light whole street as their intensity can light other blocks as well. Q2. maximum area under a historgram Input : 2,1,4,5,3,2 (height of bar) output : 8 block area is maximum created by 4,5 values at index 2,3. Area is 2*4 blocks wide.

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