Senior Frontend Engineer Interview Questions

Senior Software Engineer (Frontend)

Interviewed at Anaplan

3.7★

Sep 17, 2019

Design an order placing and order tracking system.

Senior Frontend Engineer

Interviewed at Sendcloud

4.2★

Apr 3, 2024

If you had to implement a form, what would you do?

Senior Software Engineer - Frontend

Interviewed at Cvent

3.6★

Jan 29, 2025

Flatten Object using array reduce method , why arrow functions are used?

Senior Frontend Engineer

Interviewed at GitLab

3.4★

Jun 5, 2019

Explain how you would optimise a slow loading list.

Senior Frontend Software Engineer

Interviewed at Webflow

3.5★

Mar 14, 2025

I had to sign an NDA :) Brush up on react fundamentals and system design!

Senior Software Engineer - Frontend

Interviewed at Harness

3.8★

Oct 5, 2025

How do you fix a web-app that is very slow? List all the things you would do.

Senior Frontend Engineer

Interviewed at Salsify

3.8★

Sep 5, 2024

Interview questions are standard ones, about your previous experience and your goals. The technical steps are standard too, the take home exercise is very straight forward with some data manipulation.

Senior Frontend Engineer

Interviewed at Constant Contact

3.1★

Sep 16, 2025

Introduce yourself. What do you expect salary range?

Senior Frontend Engineer

Interviewed at Atlassian

3.2★

Mar 25, 2024

Q: Write code to call an async feature flag API Q: Write HTML/CSS/JS for JIRA issue view Q: (System Design) Design JIRA Kanban Board view

Senior Software Engineer (FrontEnd)

Interviewed at Disney+ Hotstar

3.5★

Oct 21, 2021

Round 1: 1. What is currying in Javascript and implement it? 2. Implement a function which behaves exactly like Promise.all without using Promise.all. Round 2: Design a frontend application to load the the data/tables from google sheets and display them in read only mode. There can be a huge number of sheets with huge number of rows in each sheet. Also assume that whatever api's you'll need are available. Round 3: Fist half Tell a story about your life starting from schooling days covering major events in your life. What all decisions did you make and story behind the reason. The interviewer wanted to understand the thought process involved in making a decision. Second half: Given a video on hotstar, design a layout which would display all the meta data of the video in the form of widgets. For eg. for a movie it could be trailer, directors cut shot video, cast etc. For a sporting video it could be score card, weather report, highlights etc