Home / Company interviews / ByteDance · Updated October 2026

ByteDance interview questions and practice

giveinterview has mock interviews built from 1 ByteDance job post since October 2026, 1 of them still open. Each practice interview runs the loop below: a 10-minute voice screen, then 2 rounds (coding, then coding). The topics that come up most are C/C++, database kernel, distributed system, Golang, Java. 62 coding questions are known to come up in ByteDance interviews (4 easy, 51 medium, 7 hard), 4 of them in the last six months. The most common topics are Array, String, Hash Table, Dynamic Programming.

Practice interviews built from public job posts and question lists. Each open post links to the original so you can apply on ByteDance’s own site; ByteDance does not run, see or review your practice.

Start a full ByteDance mock interview →Add ByteDance to my plan Or one question first · 2 min

1Job posts to practise

1Posts still open

3Steps in a practice loop

100 minTypical total length

How the ByteDance practice interview runs

The most common loop across the mock interviews built from ByteDance job posts.

ScreenVoice screen10 min
Round 1Coding45 min
Round 2Coding45 min

What ByteDance interviews cover

Skills and topics, with the number of ByteDance job posts that list each one.

C/C++1
database kernel1
distributed system1
Golang1
Java1
multi-threaded programming1
optimization1
Python1
query processing1

Coding questions ByteDance asks

From public company-tagged interview question lists. Most recent and most frequent first.

Easy 4Medium 51Hard 7

Array32
String17
Hash Table14
Dynamic Programming13
Breadth-First Search10
Math9
Depth-First Search8
Stack8
Linked List7
Sorting7
Divide and Conquer5
Tree5

Question	Difficulty	Asked recently
LRU Cache	Medium	Yes
Number of Islands	Medium	Yes
Course Schedule	Medium	Yes
Longest Increasing Subsequence	Medium	Yes
Remove Duplicate Letters	Medium	No
Smallest Subsequence of Distinct Characters	Medium	No
First Day Where You Have Been in All the Rooms	Medium	No
Shortest Bridge	Medium	No
Basic Calculator II	Medium	No
Maximal Square	Medium	No
Merge Intervals	Medium	No
Combination Sum	Medium	No
Top K Frequent Elements	Medium	No
House Robber	Medium	No
Word Ladder	Hard	No
Regular Expression Matching	Hard	No
Two Sum	Easy	No
Design Memory Allocator	Medium	No
Longest Common Subsequence	Medium	No
Rotting Oranges	Medium	No
Accounts Merge	Medium	No
Maximum Width of Binary Tree	Medium	No
Decode String	Medium	No
Basic Calculator	Hard	No
Best Time to Buy and Sell Stock	Easy	No

ByteDance job posts you can practise for

Open a post to practise its interview and get the link to apply on ByteDance’s site.

Role	Where	Steps	Job post
Software Engineer Intern (Distributed NoSQL Database Systems) - 2027 Summer	On-site · San Jose, CA	3	Open	Practise Add to plan

Questions about ByteDance interviews

How many rounds are in a ByteDance interview?

The mock interviews built from ByteDance job posts usually run a 10-minute voice screen, then 2 rounds (coding, then coding), about 100 minutes in all.

What topics do ByteDance interviews cover?

The ones that come up most are C/C++, database kernel, distributed system, Golang, Java.

What coding questions does ByteDance ask?

62 questions are tagged to ByteDance in public interview lists: 4 easy, 51 medium and 7 hard. The most asked include LRU Cache, Number of Islands, Course Schedule.

How do I practise a ByteDance interview?

Answer a 2-minute question for free, then take a mock interview with an AI interviewer, voice and live coding. You get a review that marks the exact line that cost you. The screen and Round 1 of your first role interview are free.

Practise a ByteDance interview before it counts.

Talk it through while you code, and get a review that marks the exact line that cost you. Free to start.

Start a full ByteDance mock interview →Add ByteDance to my plan