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ByteDance Backend Software Engineer interview questions

based on 39 ratings - Updated May 25, 2025

Average interview difficulty

Mostly positive interview experience

How others got an interview

63%
Applied online
Applied online
19%
Employee Referral
Employee Referral
11%
Recruiter
Recruiter
4%
Campus Recruiting
Campus Recruiting
4%
Staffing Agency
Staffing Agency

Interview search

39 interviews

Backend Developer Interview

Sep 17, 2020

Anonymous Interview Candidate

No offer

Positive experience

Difficult interview

Application

I interviewed at ByteDance

Interview

First round interview. Online. The interviewer was nice. Questions were not hard but needed a solid understanding of Java. Lasted for around 1 hour. First half was conversational, the second half were coding problems. The interviewer gave hint during the implementation. Also needed to speak out how the code was structured.

Interview questions [1]

Question 1

Resume questions, Java, hashmap. Sorting

Answer question

Backend Software Engineer Interview

Sep 3, 2020

Anonymous employee

Accepted offer

Positive experience

Average interview

Application

I applied online. I interviewed at ByteDance in Mar 2020

Interview

3 rounds in a row. Each round they will ask you a medium LC algorithm problem and some networking or databases fundamentals. First algorithm is form a binary tree with pre-order and in-order sequences. Second one is a sliding window. And third one is a tree traversal problem. Not that hard.

Interview questions [1]

Question 1

1. Algorithms. 2. Databases. Especially transactions. 3. Networking. Especially HTTPS.

1 Answer

Backend Developer Interview

Aug 25, 2020

Anonymous Interview Candidate

No offer

Positive experience

Average interview

Application

I interviewed at ByteDance

Interview

The interview was based on your resume, but asked many details and follow-ups. Also asked questions about data structures and algorithms. And also asked coding questions. The interviewer was nice.

Interview questions [1]

Question 1

Explain the implementation of Hashmap.

1 Answer

Viewing 36 - 39 of 39 Interviews

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ByteDance Backend Software Engineer interview questions

Average interview difficulty

Mostly positive interview experience

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Backend Developer Interview

Backend Software Engineer Interview

Backend Developer Interview

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