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Backend Software Engineer Interview Questions

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2,339 backend software engineer interview questions shared by candidates

Round 1: Basics of Javascript, like callback, promise, hoisting, async await etc. Make Sure to prepare Well the basics for this round. After 20 minutes, I was a given a coding Question in JS. A Paragraph was given to me, in which I have figure out the most repetitive and most longest word. Round 2: Advance Topics of Javascript like Event loop, Output Based Questions, Deep Copy and Shallow Copy, Objects etc. No Coding Question was given in this round. Round 3: This was a DSA Round, Coding Question was : Median of two Sorted Arrays. Interviewer asked me to solve this coding question in any programming language , I like. This was the overall process and the whole Process took less than a week to complete.

Software Engineer, Backend

Interviewed at Creative Galileo

4.4★
Mar 17, 2024

Round 1: Basics of Javascript, like callback, promise, hoisting, async await etc. Make Sure to prepare Well the basics for this round. After 20 minutes, I was a given a coding Question in JS. A Paragraph was given to me, in which I have figure out the most repetitive and most longest word. Round 2: Advance Topics of Javascript like Event loop, Output Based Questions, Deep Copy and Shallow Copy, Objects etc. No Coding Question was given in this round. Round 3: This was a DSA Round, Coding Question was : Median of two Sorted Arrays. Interviewer asked me to solve this coding question in any programming language , I like. This was the overall process and the whole Process took less than a week to complete.

Phone Screen Round - https://leetcode.com/discuss/interview-question/1572720/rubrik-phone-screen-majority-bandwidth-from-a-network/1179972 Onsite: Round 1 (System Coding) : Key-Value Pair Snapshot Mechanism Round 2 (Algorithm Coding): Given S (start coordinate), E (End coordinate) and a matrix with either 0 (busy slot) and 1 (empty slot), give the shortest distance between S & E Round 3 (System Design): Design Unique ID generation
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Software Engineer, Backend

Interviewed at Rubrik

3.3★
Dec 27, 2021

Phone Screen Round - https://leetcode.com/discuss/interview-question/1572720/rubrik-phone-screen-majority-bandwidth-from-a-network/1179972 Onsite: Round 1 (System Coding) : Key-Value Pair Snapshot Mechanism Round 2 (Algorithm Coding): Given S (start coordinate), E (End coordinate) and a matrix with either 0 (busy slot) and 1 (empty slot), give the shortest distance between S & E Round 3 (System Design): Design Unique ID generation

Tech: What happened if you added an index to every column? How to add a new column to a filled database without any downtime? What is dependency injection and why is it important? Like and dislike about Laravel? Behavioural How do you know about streamlabs and logitech? What do you like about streamlabs? What do you like to do? Tell us about your past experience and what was your favourite role and why? Do you have any experience in collaborating with the support team? What do you think is important in a code review? Special ability, what would you choose? What do you expect from the company? What are your strengths and weakness? What do you like to do in your free time? How do you believe your past employer would describe you? Can you tell us about a project which you are proud of What do you like the most about your job?
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Backend Software Engineer

Interviewed at Streamlabs

4.3★
Oct 19, 2022

Tech: What happened if you added an index to every column? How to add a new column to a filled database without any downtime? What is dependency injection and why is it important? Like and dislike about Laravel? Behavioural How do you know about streamlabs and logitech? What do you like about streamlabs? What do you like to do? Tell us about your past experience and what was your favourite role and why? Do you have any experience in collaborating with the support team? What do you think is important in a code review? Special ability, what would you choose? What do you expect from the company? What are your strengths and weakness? What do you like to do in your free time? How do you believe your past employer would describe you? Can you tell us about a project which you are proud of What do you like the most about your job?

It all started with a technical test where we were asked to render the given data using API, out of 36, 8 were shortlisted. Next was the interview where I was asked about various concepts of JAVA oops(as java is my main language) and the need for an interface. As it was a personal interview, I was given a coding problem to write on paper Fibonacci using recursion and one was to deal with a sentence(medium level) if you know how to deal with strings and the basic functions
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Software Engineer, Backend

Interviewed at Bajaj Finserv Health

3.8★
Mar 24, 2022

It all started with a technical test where we were asked to render the given data using API, out of 36, 8 were shortlisted. Next was the interview where I was asked about various concepts of JAVA oops(as java is my main language) and the need for an interface. As it was a personal interview, I was given a coding problem to write on paper Fibonacci using recursion and one was to deal with a sentence(medium level) if you know how to deal with strings and the basic functions

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