---
title: Salesforce Front End Interview Questions
sidebar_label: Salesforce interview questions
description: "Salesforce front end developer interview questions: coding challenges, JavaScript quiz on event loop, closures, CSS positioning. Real experiences & tips."
---

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:::

Not much is known about Salesforce's front end interview process.

## Coding

- Flatten a nested array.
  - [Practice question](https://www.greatfrontend.com/questions/javascript/flatten?utm_source=frontendinterviewhandbook&utm_medium=referral&gnrs=frontendinterviewhandbook) (Free)

## Quiz questions

- What is the event loop?
  - [Read answer](https://www.greatfrontend.com/questions/quiz/what-is-event-loop-what-is-the-difference-between-call-stack-and-task-queue?utm_source=frontendinterviewhandbook&utm_medium=referral&gnrs=frontendinterviewhandbook) (Free)
- What is a closure?
  - [Read answer](https://www.greatfrontend.com/questions/quiz/what-is-a-closure-and-how-why-would-you-use-one?utm_source=frontendinterviewhandbook&utm_medium=referral&gnrs=frontendinterviewhandbook) (Free)
- Positioning in CSS.
  - [Read answer](https://www.greatfrontend.com/questions/quiz/whats-the-difference-between-a-relative-fixed-absolute-and-statically-positioned-element?utm_source=frontendinterviewhandbook&utm_medium=referral&gnrs=frontendinterviewhandbook) (Free)

_Source: [Glassdoor Salesforce UI Developer Interview Questions](https://www.glassdoor.sg/Interview/Salesforce-UI-Developer-Interview-Questions-EI_IE11159.0,10_KO11,23.htm)_

## Insider tips from the GreatFrontEnd community

These tips were shared by [GreatFrontEnd](https://www.greatfrontend.com/?utm_source=frontendinterviewhandbook&utm_medium=referral&gnrs=frontendinterviewhandbook) users who have completed interviews with Salesforce.

**25th Apr 2025**:

> They rescheduled my interview. Finally got the opportunity to talk to them yesterday. 
> 
> Was asked 2 easy LC( !! ) 
> I was specifically asked if I would be comfortable coding in React, and after confirmation and 2 weeks of continuous React study, I was given 2 leetcode questions in the CoderPad 🤷🏼‍♀️ 
> A version of the high five problem was asked and one was about calculating the distance a robot has moved.

**18th Oct 2024**:

> Yes, I had a OA which had 2 medium/hard dynamic programming question 1 hour. It was pretty hard 🤕
> Ah, I had some grouping of CPU tasks which was 2D dp.
> Currently I'm on the final round, so I assume this round would be either system design or a class design round. I'm not sure which one though

For more insider tips, visit [GreatFrontEnd](https://www.greatfrontend.com/?utm_source=frontendinterviewhandbook&utm_medium=referral&gnrs=frontendinterviewhandbook)!