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Toptal Front end Developer Interview Questions and Answers

Updated 8 Oct 2024

Toptal Front end Developer Interview Experiences

1 interview found

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. How will you explain how ReactJS works for none technical person
  • Ans. 

    ReactJS is a JavaScript library for building user interfaces.

    • ReactJS is a library used for building interactive user interfaces on the web.

    • It allows developers to create reusable UI components that update automatically when data changes.

    • React uses a virtual DOM to efficiently update the actual DOM, resulting in faster performance.

    • Components in React can be nested within each other to create complex UI structures.

    • React ...

  • Answered by AI
  • Q2. Explain your solution for your team member
  • Ans. 

    I would explain my solution in a clear and concise manner, using visual aids if necessary.

    • Break down the problem into smaller parts

    • Use diagrams or flowcharts to illustrate the solution

    • Provide code snippets or examples to demonstrate implementation

  • Answered by AI

Skills evaluated in this interview

Interview questions from similar companies

Interview experience
2
Poor
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Recruitment Consulltant and was interviewed in May 2024. There was 1 interview round.

Round 1 - Technical 

(2 Questions)

  • Q1. Javascript object manipulation based coding question
  • Q2. React based verbal questions

I applied via Approached by Company and was interviewed in May 2022. There were 2 interview rounds.

Round 1 - Aptitude Test 

Aptitude, technical, coding test not sufficient time

Round 2 - Coding Test 

Coding you have to do 2 problems it is included in the first round

Interview Preparation Tips

Interview preparation tips for other job seekers - First-round will be MCQ, coding they will send you one link
you have 1:30 hrs time to complete the test
Aptitude - 20 Questions MCQ
Coding - 2 problems
Technical - 40 Questions MCQ
Interview experience
1
Bad
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all Resume tips
Round 2 - Aptitude Test 

One coding, 40 technical mcq, 20-30 aptitude

Round 3 - Technical 

(1 Question)

  • Q1. Js, react questions
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Naukri.com and was interviewed in Jan 2024. There was 1 interview round.

Round 1 - Aptitude Test 

General aptitude test, coding test, technical test questions

Interview Preparation Tips

Interview preparation tips for other job seekers - Try to solve at least one coding question with all test case pass.
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Completely frontend developer question session coookiess localstorage , shadow dom json and object difference event child children event
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Naukri.com and was interviewed in Apr 2024. There was 1 interview round.

Round 1 - Technical 

(5 Questions)

  • Q1. Caching Strategy
  • Q2. What is micro Frontend architecture
  • Ans. 

    Micro Frontend architecture is an approach to building front-end applications by breaking them down into smaller, independently deployable units.

    • Allows different teams to work on separate parts of the application

    • Each micro frontend can be developed using different technologies

    • Enables incremental upgrades and updates without affecting the entire application

    • Can improve performance by loading only the necessary components

    • ...

  • Answered by AI
  • Q3. Pure and impure pipes in angular
  • Ans. 

    Pure pipes in Angular are stateless and do not change the input data, while impure pipes can have side effects and change the input data.

    • Pure pipes are used for simple transformations like formatting dates or numbers.

    • Impure pipes are used for more complex transformations that require state or side effects.

    • Pure pipes are faster and more efficient as they only run when a pure change to the input data is detected.

    • Impure p...

  • Answered by AI
  • Q4. How to make singleton services multiton
  • Ans. 

    Singleton services can be made multiton by maintaining a map of instances with unique keys.

    • Create a map to store instances with unique keys

    • Use a factory method to retrieve instances based on keys

    • Ensure that only one instance is created per key

  • Answered by AI
  • Q5. What is dependency injection
  • Ans. 

    Dependency injection is a design pattern where components are given their dependencies rather than creating them internally.

    • Allows for easier testing by injecting mock dependencies

    • Promotes loose coupling between components

    • Improves code reusability and maintainability

    • Examples: AngularJS, Spring Framework

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Read Frontend system design also

Skills evaluated in this interview

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
-

I applied via Job Portal and was interviewed in Jan 2023. There were 3 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all Resume tips
Round 2 - Aptitude Test 

Reasoning logocial thing topics

Round 3 - Coding Test 

Coding text web developer development

Interview Preparation Tips

Interview preparation tips for other job seekers - a person who is unemployed and looking for a job its great
Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Company Website and was interviewed in Sep 2023. There were 5 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Don’t add your photo or details such as gender, age, and address in your resume. These details do not add any value.
View all Resume tips
Round 2 - Group Discussion 

Each and any point discuss

Round 3 - Aptitude Test 

Ans the every question

Round 4 - Technical 

(2 Questions)

  • Q1. All question for perticular field
  • Q2. All over concept are mandatory
Round 5 - HR 

(1 Question)

  • Q1. Self intro and family background and interested for this job role
Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Company Website and was interviewed in Sep 2023. There were 3 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Properly align and format text in your resume. A recruiter will have to spend more time reading poorly aligned text, leading to high chances of rejection.
View all Resume tips
Round 2 - Aptitude Test 

Logical, Problem solving

Round 3 - One-on-one 

(3 Questions)

  • Q1. Self introduction
  • Q2. General Questions
  • Q3. Technical questions
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Toptal Interview FAQs

How many rounds are there in Toptal Front end Developer interview?
Toptal interview process usually has 1 rounds. The most common rounds in the Toptal interview process are Technical.

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Toptal Front end Developer Interview Process

based on 1 interview

Interview experience

5
  
Excellent
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Toptal Front end Developer Salary
based on 4 salaries
₹12 L/yr - ₹72 L/yr
682% more than the average Front end Developer Salary in India
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