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13,485 software engineer front end interview questions shared by candidates

Please write test cases and the complexity of each code. Maximum time allowed is 30 minutes. Q1. Print all prime numbers between two given numbers. For example: Function is Prime(beg,end), for Prime(4,7) it will return {5,7}, for Prime(7,16) it will return {7,11,13} Feel free to code in any language of your choice
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Front End Developer

Interviewed at AdvantageClub.ai

4.3★
Feb 6, 2018

Please write test cases and the complexity of each code. Maximum time allowed is 30 minutes. Q1. Print all prime numbers between two given numbers. For example: Function is Prime(beg,end), for Prime(4,7) it will return {5,7}, for Prime(7,16) it will return {7,11,13} Feel free to code in any language of your choice

The interview question was an old-school JavaScript question that was VERY confusing. I explained that I hadn't worked with JavaScript for several years and had no interest. I don't understand why a technical interview is designed to stump a person, instead of truly seeing where their strengths are.
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Front End Developer

Interviewed at BlackLine

2.7★
Mar 3, 2022

The interview question was an old-school JavaScript question that was VERY confusing. I explained that I hadn't worked with JavaScript for several years and had no interest. I don't understand why a technical interview is designed to stump a person, instead of truly seeing where their strengths are.

Code up a calculator backend for a ui. Algorithms: maximize stock price on trading (leet coding problem). Backup question, distribute problem across multiple hosts, insight ordering is important for prices and the local maximum may be the best trade. Reverse a linked list (wasn't prepped - leet code question). Math: calculating area, displacement of water questions, earth warmer in summer over winter, why. Lots of stuff that may or may not apply to work but test for a certain personality type. Last coding exercise was more interesting, implement Promise.all type of code, involves semaphores, you can cheat because js is single threaded on firing callback when final task is finished.
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Front End Developer

Interviewed at Zoox

3.5★
Jul 31, 2021

Code up a calculator backend for a ui. Algorithms: maximize stock price on trading (leet coding problem). Backup question, distribute problem across multiple hosts, insight ordering is important for prices and the local maximum may be the best trade. Reverse a linked list (wasn't prepped - leet code question). Math: calculating area, displacement of water questions, earth warmer in summer over winter, why. Lots of stuff that may or may not apply to work but test for a certain personality type. Last coding exercise was more interesting, implement Promise.all type of code, involves semaphores, you can cheat because js is single threaded on firing callback when final task is finished.

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