Senior Front End Developer Interview Questions

1,305 senior front end developer interview questions shared by candidates

There were pieces of code and I was asked about scope and the resulting values of variables after the code was run. Scope, prototypes, different functions such as bind etc. For this role, you would need to know JavaScript inside and out.
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Senior Front End Developer

Interviewed at Workhuman

3
May 4, 2018

There were pieces of code and I was asked about scope and the resulting values of variables after the code was run. Scope, prototypes, different functions such as bind etc. For this role, you would need to know JavaScript inside and out.

After the take-home test there is the technical interview the first part of the technical interview will discuss your exercise, why you have chosen that technical solution or UX interface. Then they asked more direct javascript questions: es6 related topics, ways to manipulate objects, Two-way data binding with vanilla JavaScript
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Senior Front End Developer/Full Stack Engineer

Interviewed at GetYourGuide

3.1
Nov 6, 2018

After the take-home test there is the technical interview the first part of the technical interview will discuss your exercise, why you have chosen that technical solution or UX interface. Then they asked more direct javascript questions: es6 related topics, ways to manipulate objects, Two-way data binding with vanilla JavaScript

1. Multiple questions on this object like what is this, they asked me find the value of this on from the JS snippets. 2. Flatten a multidimensional array without using inbuilt function. 3. Debounce/Throttling, Closures, Arrow functions & how it is different from normal function, Web worker, Service worker, Webpack, Typescript 4. Difference between px, rem, em and write css for some problem(flex grow/shrink) 4. React all hooks, Redux, React design pattern, improve site security, improve site performance, how to override console log output, pure component, error boundaries 5. Solid principle, Unit testing
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Senior Front End Developer

Interviewed at EPAM Systems

4
Mar 9, 2022

1. Multiple questions on this object like what is this, they asked me find the value of this on from the JS snippets. 2. Flatten a multidimensional array without using inbuilt function. 3. Debounce/Throttling, Closures, Arrow functions & how it is different from normal function, Web worker, Service worker, Webpack, Typescript 4. Difference between px, rem, em and write css for some problem(flex grow/shrink) 4. React all hooks, Redux, React design pattern, improve site security, improve site performance, how to override console log output, pure component, error boundaries 5. Solid principle, Unit testing

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