Senior Front End Engineer Interview Questions

2,000 senior front end engineer interview questions shared by candidates

Implement application with sidebar by given mock-up in png using react, redux, typescript. It should have select, like/dislike and filtering + sorting. Add test coverage. Make it responsive and host on any platform.
avatar

Senior Front End Developer

Interviewed at AgencyAnalytics

3.4
Mar 14, 2023

Implement application with sidebar by given mock-up in png using react, redux, typescript. It should have select, like/dislike and filtering + sorting. Add test coverage. Make it responsive and host on any platform.

1 take home - 3 hours to complete, parsing some data and posting response to an endpoint 3 technicals - 1 vanilla Javascript, 1 systems design, 1 algorithms easy Leetcode 1 behavioral with hiring manager - basic behavioral questions but expected you to go into more technical detail
avatar

Senior Front End Engineer

Interviewed at HubSpot

3.4
Mar 27, 2025

1 take home - 3 hours to complete, parsing some data and posting response to an endpoint 3 technicals - 1 vanilla Javascript, 1 systems design, 1 algorithms easy Leetcode 1 behavioral with hiring manager - basic behavioral questions but expected you to go into more technical detail

1. Prototypal inheritance vs inheritance 2. Scoping (Multiple trick questions , scope chain) 3. Closure 4. Apply and Bind 5. Event Loop 6. Callback(asynchronus concepts in Javascript), Async,await 7. Promise 8. ES6(Arrow function , Classes,Object literals, Spread and Rest, destructuring ) 9. Diff bet map and set 10. Hoisting , (let/var/const) 11. What is prototype 1. Whats new in HTML5 compared to HTML 2. A few questions on canvas, header, nav 3. What are semantic elements in HTML 4. Name new form elements you used in HTML5 1. Diff bet external/internal/inline css 2. How to make page responsive using just css 3. Diff bet block and inline block 4. About position property, when to use what value 5. Whats a pseudo class 6. Flexbox
avatar

Senior Front End Developer

Interviewed at Accenture

3.7
Jun 4, 2021

1. Prototypal inheritance vs inheritance 2. Scoping (Multiple trick questions , scope chain) 3. Closure 4. Apply and Bind 5. Event Loop 6. Callback(asynchronus concepts in Javascript), Async,await 7. Promise 8. ES6(Arrow function , Classes,Object literals, Spread and Rest, destructuring ) 9. Diff bet map and set 10. Hoisting , (let/var/const) 11. What is prototype 1. Whats new in HTML5 compared to HTML 2. A few questions on canvas, header, nav 3. What are semantic elements in HTML 4. Name new form elements you used in HTML5 1. Diff bet external/internal/inline css 2. How to make page responsive using just css 3. Diff bet block and inline block 4. About position property, when to use what value 5. Whats a pseudo class 6. Flexbox

Viewing 1971 - 1980 interview questions

See Interview Questions for Similar Jobs

Glassdoor has 2,000 interview questions and reports from Senior front end engineer interviews. Prepare for your interview. Get hired. Love your job.