4 ByteDance Software Engineer Interview Questions & Answers | Complete Prep Guide 2025

ByteDance Software Engineer Interview Experiences

1 interview found

Software Engineer Interview Questions & Answers

posted on 27 May 2022

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

Round 1 - Technical

(2 Questions)

Q1. Microservices in-depth (advantages/disadvantages, service mesh, communication protocol, monitoring, resilience pattern)

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Q2. Binary search (not joking)

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Round 2 - Technical

(2 Questions)

Q1. Programming Language in-depth

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Q2. Leetcode Hard Largest Miltiple of 3

Ans.

Given an array of digits, find the largest multiple of 3 that can be formed from the digits.

Sort the array in descending order.
If the sum of digits is divisible by 3, return the array as a string.
If the sum of digits modulo 3 is 1, remove the smallest digit that has a remainder of 1 when divided by 3, or the two smallest digits that have a remainder of 2 when divided by 3.
If the sum of digits modulo 3 is 2, remove the ...

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Interview Preparation Tips

Interview preparation tips for other job seekers - Just normal LeetCode question (Medium, Hard)

Skills evaluated in this interview

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timepasstiwari

A Digital Markter

Got Rejected In an Interview, Just Because I Didn’t Answer a Personal Question

So, I got invited for this interview, and they told me to be there at 9 AM. Of course, I get there early, like 8:30, because I don't want to be late. But then I end up waiting for 1.5 hours... read more

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Software Engineer Interview Questions & Answers

Facebook

Anonymous

posted on 15 Jan 2015

Interview Preparation Tips

Round: Test
Tips: Just try coding as much as you can in the four years of graduation.

Round: Interview
Experience: Three Coding Interview and a Behavioral Interview were conducted.
Tips: Try to get some prior knowledge about the company's infrastructure.w

General Tips: Practice as much problems as you can online or offline.
Skill Tips: Coding is the key for any software company.
Skills: Coding
College Name: IIT KHARAGPUR
Motivation: Its the best in business

Software Engineer Interview Questions & Answers

Facebook

Deepali Adlakha

posted on 16 Mar 2015

Interview Questionnaire

3 Questions

Q1. Some question on KMP

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Q2. Simulation Question

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Q3. Topological Sort Question

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Interview Preparation Tips

Round: Test
Experience: Simple
Tips: Online Coding Questions
Duration: 60 minutes

Round: Technical Interview
Experience: Moderately difficult
Tips: Thorough understanding of all the algorithms is required.

Round: Technical Interview
Experience: Easy
Tips: Need to start a question afresh without attacking it the way you have solved questions in the past

Round: Technical Interview
Experience: Easy/moderately difficult
Tips: The idea was not that easy to click.

Skills: Coding
College Name: IIT BOMBAY
Motivation: Facebook has revolutionised social networking.

Software Engineer Interview Questions & Answers

Uber

Anonymous

posted on 2 Dec 2016

I applied via Campus Placement and was interviewed in Dec 2016. There were 4 interview rounds.

Interview Questionnaire

4 Questions

Q1. Given a 2d matrix with some D doors and W walls, we need fill distance matrix with minimum distance to the nearest door

Ans.

Given a 2D matrix with doors and walls, fill distance matrix with minimum distance to the nearest door.

Iterate through the matrix and find the doors
Use Breadth-First Search (BFS) to calculate the minimum distance from each cell to the nearest door
Update the distance matrix with the minimum distances

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Q2. Given a read-only array we want to find kth smallest element in unordered array with O(1) space

Ans.

Find kth smallest element in unordered array with O(1) space

Use the QuickSelect algorithm to partition the array and find the kth smallest element
Choose a pivot element and partition the array into two subarrays
Recursively partition the subarray that contains the kth smallest element
Repeat until the pivot element is the kth smallest element
Time complexity: O(n) average case, O(n^2) worst case

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Q3. Design question

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Q4. Find friends of friend who already are not friends with you

Ans.

To find friends of friends who are not already friends with you, we can first find your friends and then their friends excluding yourself and your friends.

Get your list of friends
For each friend, get their list of friends
Exclude yourself and your friends from the final list of friends of friends

Answered by AI

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Interview Preparation Tips

Round: Technical Interview
Experience: It started with an informal talk after he gave his introduction. We talked about the cyclone that was going to be there and what I did in my internship and my previous projects. Then we moved to questions. After solving both questions he asked if I had questions.
Tips: Just walk the interviewer through the solution you're proposing.

Round: Other Interview
Experience: He started with a design question with how to stream an image such that all clients see the same image at the same time. You need to take care of delays, network problems. He kept on adding new elements like compression, streaming, utc time related issues, client rendering delays and so on.

Round: Other Interview
Experience: This was bar-raiser round.

Skills: Design, Algorithms And Data Structures, Graph Theory
College Name: IIT Madras

Skills evaluated in this interview

Software Engineer Interview Questions & Answers

Uber

Anonymous

posted on 4 Apr 2022

I was interviewed before Apr 2021.

Round 1 - Face to Face

(2 Questions)

Round duration - 60 minutes
Round difficulty - Medium

It started with an informal talk after he gave his introduction. We talked about the cyclone that was going to be there and what I did in my internship and my previous projects. Then we moved to questions. After solving both questions he asked if I had questions.

Q1.

Kth Largest Element Problem Statement

Given an array of distinct positive integers and a number 'K', your task is to find the K'th largest element in the array.

Example:

Input:

Array: [2,1,5,6,3,8], K ...

Ans.

Find the Kth largest element in an array of distinct positive integers.

Sort the array in non-increasing order
Return the Kth element from the sorted array
Handle multiple test cases

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Q2.

Orange Rotting Problem Statement

Consider a grid containing oranges. Each cell in this grid can hold one of three integer values:

Value 0: Represents an empty cell.
Value 1: Represents a fresh orang...

Ans.

The task is to determine the minimum time required for all fresh oranges to become rotten in a grid.

Create a queue to store the rotten oranges and their time of rotting.
Iterate through the grid to find the initial rotten oranges and add them to the queue.
Perform BFS by popping each rotten orange from the queue, rot adjacent fresh oranges, and add them to the queue with updated time.
Continue until the queue is empty, ke...

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Round 2 - Face to Face

Round duration - 45 minutes
Round difficulty - Easy

This was a design round.

Interview Preparation Tips

Eligibility criteriaAbove 8 CGPAUber interview preparation:Topics to prepare for the interview - Design, Algorithms And Data Structures, Graph Theory, System Design, Aptitude, OOPSTime required to prepare for the interview - 4 monthsInterview preparation tips for other job seekers

Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.

Application resume tips for other job seekers

Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.

Final outcome of the interviewRejected

Skills evaluated in this interview

Software Engineer Interview Questions & Answers

Uber

Anonymous

posted on 17 May 2022

I was interviewed before May 2021.

Round 1 - Face to Face

(1 Question)

Round duration - 60 Minutes
Round difficulty - Easy

Q1.

Find the k-th Node from the End of a Linked List

Given the head node of a singly linked list and an integer 'k', this problem requires you to determine the value at the k-th node from the end of the linke...

Ans.

To find the k-th node from the end of a linked list, iterate through the list to determine the size, then traverse again to reach the k-th node from the end.

Iterate through the linked list to determine its size.
Calculate the position of the k-th node from the end based on the size of the list.
Traverse the list again to reach the k-th node from the end.
Return a pointer to the k-th node from the end.

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Round 2 - Video Call

(1 Question)

Round duration - 60 Minutes
Round difficulty - Easy

High level System Design

Q1. Can you design a system like Uber, explaining the various components and architecture involved?

Ans.

Designing a system like Uber involves components like user app, driver app, server, database, and algorithms for matching and routing.

User app for booking rides and tracking
Driver app for accepting rides and navigation
Server for handling requests and communication between apps
Database for storing user, driver, and ride information
Algorithms for matching riders with drivers and routing

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Round 3 - HR

Round duration - 45 minutes
Round difficulty - Easy

Basic HR questions

Interview Preparation Tips

Professional and academic backgroundI applied for the job as Software Engineer in HyderabadEligibility criteriaAbove 7 CgpaUber interview preparation:Topics to prepare for the interview - Data Structures, React JS, JavaScript, DBMS, AlgorithmsTime required to prepare for the interview - 6 monthsInterview preparation tips for other job seekers

Tip 1 : Practise DSA/coding consistently
Tip 2 : Choose a tech stack and Make side hobby projects
Tip 3 : Give mock interviews for your preparation evaluation

Application resume tips for other job seekers

Tip 1 : Pointers about your current job responsibility
Tip 2 : Side Projects with Tech stack

Final outcome of the interviewSelected

Skills evaluated in this interview

Software Engineer Interview Questions & Answers

Google

Anonymous

posted on 14 Jan 2021

I applied via Company Website and was interviewed in Dec 2020. There was 1 interview round.

Interview Questionnaire

1 Question

Q1. They asked to calculate time complexity of any algorithm

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Interview Preparation Tips

Interview preparation tips for other job seekers - Practice is the only silver bullet to crack any interview!
Do coding of problem on notepad. Refer DS, ALGO related problem from GeeksOfGeeks site.

And 1 more thing coding is an art and please do not mug up the code, just try to understand the tricks, logic and solution and use those tricks and solution to solve any coding problem.

Do practice, Do practice and Do practice....nothing else

Software Engineer Interview Questions & Answers

Google

Anonymous

posted on 18 May 2021

I applied via Company Website and was interviewed in Nov 2020. There were 3 interview rounds.

Interview Questionnaire

1 Question

Q1. Questions on problem solving, data structures and algortithms

Add your answer

Interview Preparation Tips

Interview preparation tips for other job seekers - Be very thorough in data structures and algorithms, solve problems in Leetcode...

Software Engineer Interview Questions & Answers

Google

Anonymous

posted on 30 Sep 2021

I applied via Company Website and was interviewed before Sep 2020. There were 3 interview rounds.

Interview Questionnaire

2 Questions

Q1. How does you skills relate to this job

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Q2. Why should we hire you

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Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare and stay confident

Software Engineer Interview Questions & Answers

Facebook

Anonymous

posted on 15 Jan 2015

Interview Preparation Tips

Round: Resume Shortlist
Experience: You need to submit your CV and they shortlist you on this basis.Fast and accurate coding.
Tips: Clearly specify any technical achievement.

Round: Coding
Experience: You are given 4 hours to solve a few algorithmic questions.Start practicing for this from sometime earlier.
Tips: There are puzzles available on the Facebook page.

Round: Technical Interview
Experience: Three interviews. All almost exclusively technical with 1-2 HR questions.
The questions are mainly algorithmic in nature and you need to code online while talking to them.
Tips: Be as accurate and clean with your code as possible.

General Tips: Be creative while answering the questions. They might ask you questions like 'What changes would you want to make to Facebook?'.
Prepare algorithmic questions for the interviews. Most companies like Facebook, Google, Microsoft and others focus on this.
Technical projects or internships will be beneficial.
Qualifying for or winning programming contests like overnite is very beneficial. Involvement in Social/Cultural activities or sports is not really essential.
Skill Tips: Being good at writing fast and correct code in any language helps a lot.
Skills: Programming
College Name: IIT KHARAGPUR

ByteDance Interview FAQs

How many rounds are there in ByteDance Software Engineer interview?

ByteDance interview process usually has 2 rounds. The most common rounds in the ByteDance interview process are Technical.

How to prepare for ByteDance Software Engineer interview?

Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at ByteDance. The most common topics and skills that interviewers at ByteDance expect are Java, Algorithms, Android, Data Structures and Kafka.

What are the top questions asked in ByteDance Software Engineer interview?

Some of the top questions asked at the ByteDance Software Engineer interview -

Leetcode Hard Largest Miltiple o...read more
Microservices in-depth (advantages/disadvantages, service mesh, communication p...read more
Programming Language in-de...read more

Content Moderator 292 salaries	₹0 L/yr - ₹0 L/yr
Quality Analyst 225 salaries	₹0 L/yr - ₹0 L/yr
Content Reviewer 84 salaries	₹0 L/yr - ₹0 L/yr
SME 68 salaries	₹0 L/yr - ₹0 L/yr
Accounts Manager 48 salaries	₹0 L/yr - ₹0 L/yr

ByteDance Software Engineer Interview Questions and Answers

ByteDance Software Engineer Interview Experiences

1 interview found

(2 Questions)

(2 Questions)

Interview Preparation Tips

Skills evaluated in this interview

Interview questions from similar companies

Interview Preparation Tips

Interview Questionnaire

3 Questions

Interview Preparation Tips

Interview Questionnaire

4 Questions

Interview Preparation Tips

Skills evaluated in this interview

(2 Questions)

Kth Largest Element Problem Statement

Example:

Input:

Orange Rotting Problem Statement

Interview Preparation Tips

Skills evaluated in this interview

(1 Question)

Find the k-th Node from the End of a Linked List

(1 Question)

Interview Preparation Tips

Skills evaluated in this interview

Interview Questionnaire

1 Question

Interview Preparation Tips

Interview Questionnaire

1 Question

Interview Preparation Tips

Interview Questionnaire

2 Questions

Interview Preparation Tips

Interview Preparation Tips

ByteDance Interview FAQs

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