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ByteDance Backend Developer interview questions

based on 41 ratings - Updated Jul 10, 2026

Average interview difficulty

Mostly positive interview experience

How others got an interview

61%
Applied online
Applied online
21%
Employee Referral
Employee Referral
11%
Recruiter
Recruiter
4%
Campus Recruiting
Campus Recruiting
4%
Staffing Agency
Staffing Agency

Interview search

41 interviews

Backend Developer Interview

Oct 11, 2021

Anonymous employee

Accepted offer

Positive experience

Average interview

Application

I applied online. I interviewed at ByteDance (Shanghai, Shanghai) in Sep 2021

Interview

Campus recruitment. Three rounds of technical interviews and one optional round of HR interview depending on the business unit. Each round of tech interview took around 1 hour. There was no HR interview for the position I applied to.

Interview questions [1]

Question 1

Final round of tech interview: 1. Find the smallest palindrome number that is larger than a given n. 2. Why you study CS 3. Some other basic knowledge 4. Given an array of length n containing numbers from 1 to n, find the only duplicate value in the array. 5. Hash join

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Backend Developer Interview

Oct 7, 2021

Anonymous Interview Candidate

No offer

Negative experience

Average interview

Application

I applied online. I interviewed at ByteDance

Interview

The interviewer does not provide any feedback during the interview, feel not respected, and got directly refused while applying for other positions. Did not show enough respect to me. Algorithm questions work all the time even it is not needed for the position.

Interview questions [1]

Question 1

Algorithm problems and past experiences

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Backend Developer Interview

Sep 30, 2021

Anonymous Interview Candidate

No offer

Neutral experience

Difficult interview

Application

I interviewed at ByteDance

Interview

#1: One leetcode hard question followed by questions on network, os basics and some brain teasers. The interviewer was quite helpful in guiding me onto the right direction. #2: much like #1 #3: more focused on projects and experiences, got rejected after this round.

Interview questions [1]

Question 1

Describe what happens when you run an executable that retrieves data from a website on linux.

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Viewing 26 - 30 of 41 Interviews

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ByteDance Backend Developer interview questions

Average interview difficulty

Mostly positive interview experience

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Backend Developer Interview

Backend Developer Interview

Backend Developer Interview

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