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Senior Front End Developer Interview Questions

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1,430 senior front end developer interview questions shared by candidates

First round mainly focused on javascript, CSS, and algorithms. Few questions were- 1. Convert integer to roman. 2. Event loop. 3. Flex-layout The second round was based on advance javascript, one basic machine coding exercise, and some questions on web fundamentals. After these 2 rounds, 2 tech rounds were taken by Fynd internal team. In the third round, They basically included javascript, and react questions then the interviewer asked a lot of questions from Angular as I had more experience in that framework. The last tech round consisted of web fundamentals and a few output-based questions. Questions were about improving web performance, some questions were on web security. and a few on build and deployment process. After clearing all 4 tech rounds, there was a managerial round in which a senior person from the engineering team explained about Fynd. We discussed about the role they are hiring for, and the tech stack they are using. This was mainly a healthy discussion where they were checking if I am a good fit for the position based on my past experiences. The last round was co-founder round where he asked some basic questions like the reason for job switch, what keeps me motivated etc.
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Senior Front End Developer

Interviewed at Fynd

3.5★
May 15, 2022

First round mainly focused on javascript, CSS, and algorithms. Few questions were- 1. Convert integer to roman. 2. Event loop. 3. Flex-layout The second round was based on advance javascript, one basic machine coding exercise, and some questions on web fundamentals. After these 2 rounds, 2 tech rounds were taken by Fynd internal team. In the third round, They basically included javascript, and react questions then the interviewer asked a lot of questions from Angular as I had more experience in that framework. The last tech round consisted of web fundamentals and a few output-based questions. Questions were about improving web performance, some questions were on web security. and a few on build and deployment process. After clearing all 4 tech rounds, there was a managerial round in which a senior person from the engineering team explained about Fynd. We discussed about the role they are hiring for, and the tech stack they are using. This was mainly a healthy discussion where they were checking if I am a good fit for the position based on my past experiences. The last round was co-founder round where he asked some basic questions like the reason for job switch, what keeps me motivated etc.

1. General questions about JS and Async JS. 2. Some simple object manipulation and use of promises (with a fake backend emulated with the use of setTimeout). 3. A text based snake 4. Some basic CSS 5. A timer with a reset button
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Senior Front End Developer

Interviewed at Canva

3.9★
Jan 3, 2021

1. General questions about JS and Async JS. 2. Some simple object manipulation and use of promises (with a fake backend emulated with the use of setTimeout). 3. A text based snake 4. Some basic CSS 5. A timer with a reset button

Business requirements The app should use Pay On API to handle a basic payment transaction to the test bank account. Everything you need can be found in the docs. Also you can take a look at the examples All data should be validated. Do not allow to donate more than 100 eur or usd. Prevent form from submitting multiple times Store information about transaction in localstorage (amount, currency, buildNumber, timestamp, ndc, id) Same user can donate only 1 time in hour (if user already donated recently, show him a thanks page with donation info, else show form) Technical requirements It should be a single page application (SPA). In the end you should have one index.html file that includes one .js file and one .css file You need to develop the whole app that it could be placed in to AWS S3 bucket and served as a static website. (Ideally you could upload it to your own S3 bucket if you have one or use github pages) You can use any front-end framework you like (preferably Angular or React) Use ES2015 syntax (transpile it with babel) Use some css preprocessor like scss or stylus All logic should be developed using ajax calls to api and localstorage for storing temp data. No database is required.
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Senior Front End Developer

Interviewed at microapps

4.4★
Aug 31, 2016

Business requirements The app should use Pay On API to handle a basic payment transaction to the test bank account. Everything you need can be found in the docs. Also you can take a look at the examples All data should be validated. Do not allow to donate more than 100 eur or usd. Prevent form from submitting multiple times Store information about transaction in localstorage (amount, currency, buildNumber, timestamp, ndc, id) Same user can donate only 1 time in hour (if user already donated recently, show him a thanks page with donation info, else show form) Technical requirements It should be a single page application (SPA). In the end you should have one index.html file that includes one .js file and one .css file You need to develop the whole app that it could be placed in to AWS S3 bucket and served as a static website. (Ideally you could upload it to your own S3 bucket if you have one or use github pages) You can use any front-end framework you like (preferably Angular or React) Use ES2015 syntax (transpile it with babel) Use some css preprocessor like scss or stylus All logic should be developed using ajax calls to api and localstorage for storing temp data. No database is required.

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