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TikTok Front end Engineer Interview Questions and Answers

Updated 17 Apr 2024

TikTok Front end Engineer Interview Experiences

1 interview found

Front end Engineer Interview Questions & Answers

user image Ronak Maheshwari

posted on 17 Apr 2024

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - One-on-one 

(1 Question)

  • Q1. 3 SUM, return array elements which sum to a target
  • Ans. 

    Find array elements that sum to a target value

    • Use a nested loop to iterate through all possible pairs of elements

    • Check if the sum of the pair equals the target value

    • Return the pair if found, otherwise return an empty array

  • Answered by AI

Skills evaluated in this interview

Interview questions from similar companies

Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
Not Selected
Round 1 - Coding Test 

Questions were crayon box ,the bot and the game and happy neighbourhood for 90 mins

Round 2 - Technical 

(2 Questions)

  • Q1. Array basics was asked
  • Q2. Segment tree,prefix sum
Round 3 - Technical 

(1 Question)

  • Q1. Low level design was asked
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Referral and was interviewed in Mar 2024. There were 3 interview rounds.

Round 1 - Technical 

(1 Question)

  • Q1. Js question with code snippets
Round 2 - Coding Test 

Given some ant ui design to reacreate from scretch

Round 3 - One-on-one 

(1 Question)

  • Q1. Asked system design for online movie booking plateform
Interview experience
2
Poor
Difficulty level
Easy
Process Duration
4-6 weeks
Result
Not Selected

I applied via LinkedIn and was interviewed in Nov 2023. There was 1 interview round.

Round 1 - Coding Test 

Easy and medium level questions on array linked list

Interview Preparation Tips

Interview preparation tips for other job seekers - dont waste time on this one
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
No response

I applied via Referral and was interviewed in Aug 2024. There was 1 interview round.

Round 1 - Coding Test 

I was asked question on sliding window on finding the largest subarray with all distinct numbers. The interviewer was very helpful.

Interview experience
2
Poor
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
No response

I applied via Approached by Company and was interviewed in Sep 2024. There was 1 interview round.

Round 1 - Technical 

(1 Question)

  • Q1. Create pagination component using an api show the data for the pages
  • Ans. 

    Create a pagination component using an API to display data for different pages.

    • Use API to fetch data for each page

    • Implement pagination logic to display data for each page

    • Allow users to navigate between pages

  • Answered by AI

Skills evaluated in this interview

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

I applied via Approached by Company and was interviewed in Sep 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 tips
Round 2 - One-on-one 

(2 Questions)

  • Q1. Replace all zeros to 1 which are surrounded by 1's
  • Ans. 

    Replace zeros surrounded by ones with ones in an array of strings

    • Iterate through each string in the array

    • Check for zeros surrounded by ones and replace them with ones

    • Return the modified array of strings

  • Answered by AI
  • Q2. Minimum jumps to reach end of an array
  • Ans. 

    The minimum number of jumps needed to reach the end of an array.

    • Use dynamic programming to keep track of the minimum jumps needed at each index.

    • At each index, calculate the maximum reachable index and update the minimum jumps accordingly.

    • Example: For array [2, 3, 1, 1, 2, 4, 2, 0, 1, 1], the minimum jumps needed is 4.

  • Answered by AI
Round 3 - Technical 

(2 Questions)

  • Q1. LLD Round:- Design classes for bidding system when new bid notifications shown to all users who already bided for it.
  • Ans. 

    Design classes for a bidding system with new bid notifications for users who have already bid.

    • Create a Bid class with attributes like bidder, amount, timestamp, etc.

    • Create a Notification class with attributes like message, recipient, timestamp, etc.

    • Create a BiddingSystem class to manage bids and notifications.

    • Implement a method in BiddingSystem to notify users who have already bid when a new bid is placed.

    • Consider usin...

  • Answered by AI
  • Q2. HLD:- Desing Post order service, or last mile like finding rider, notifications etc

Skills evaluated in this interview

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Design LLD of google calendar
  • Ans. 

    Design LLD of google calendar

    • Use microservices architecture for scalability and maintainability

    • Implement features like event creation, editing, deletion, reminders, and sharing

    • Utilize databases for storing user data and events

    • Include user authentication and authorization for security

    • Integrate with external APIs for syncing with other calendars

  • Answered by AI

Skills evaluated in this interview

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
-
Result
Not Selected

I applied via Referral and was interviewed in Jun 2024. There was 1 interview round.

Round 1 - Coding Test 

It was a DSA round with one medium and one hard question.

Interview experience
1
Bad
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Design Booking Management System
  • Ans. 

    Design a Booking Management System for handling reservations and scheduling.

    • Create a user-friendly interface for customers to make bookings

    • Implement a database to store booking information

    • Include features for managing availability, cancellations, and payments

  • Answered by AI

Skills evaluated in this interview

TikTok Interview FAQs

How many rounds are there in TikTok Front end Engineer interview?
TikTok interview process usually has 1 rounds. The most common rounds in the TikTok interview process are One-on-one Round.

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TikTok Front end Engineer Interview Process

based on 1 interview

Interview experience

4
  
Good
View more

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