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TikTok Senior Software Engineer Interview Questions and Answers

Updated 24 Oct 2024

TikTok Senior Software Engineer Interview Experiences

2 interviews found

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
Not Selected
Round 1 - Technical 

(2 Questions)

  • Q1. Interviewer asked introduction
  • Q2. After Introduction he will dig into my projects and after that one DSA Problem
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - One-on-one 

(1 Question)

  • Q1. Word search II from leetcode
  • Ans. 

    Word search II is a problem where you have to find all words from a given list in a 2D board of characters.

    • Use a trie data structure to efficiently search for words in the board.

    • Implement a backtracking algorithm to explore all possible paths in the board.

    • Optimize the search by pruning branches that cannot lead to a valid word.

  • Answered by AI

Skills evaluated in this interview

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Interview questions from similar companies

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - One-on-one 

(1 Question)

  • Q1. What design tool can be implemented to determine if A and B are friends, and if B and C are friends, subsequently making A and C friends automatically?
  • Ans. 

    A graph traversal algorithm like Depth First Search (DFS) can be implemented to determine if A and B are friends, and if B and C are friends, subsequently making A and C friends automatically.

    • Implement a graph where each person is a node and friendships are edges between nodes

    • Use Depth First Search (DFS) to traverse the graph and check for connections between A and B, and B and C

    • If both connections exist, then A and C

  • Answered by AI
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - HR 

(1 Question)

  • Q1. Basic questions about your CV
Round 2 - Coding Test 

Live coding on any platform - DSA round

Round 3 - Technical 

(1 Question)

  • Q1. DSA round - whiteboarding
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Not Selected

I was interviewed before Jul 2023.

Round 1 - Coding Test 

45 min round. Similar to Leetcode medium level question.

Round 2 - Coding Test 

45 min coding round, 2 question asked

Round 3 - Technical 

(1 Question)

  • Q1. System design of proximity service
  • Ans. 

    Design a system for proximity service

    • Utilize geolocation data to track user locations

    • Implement algorithms to calculate proximity between users

    • Use real-time updates to notify users of nearby contacts

  • Answered by AI
Round 4 - One-on-one 

(1 Question)

  • Q1. Behavioral questions

Skills evaluated in this interview

Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via LinkedIn and was interviewed in Nov 2024. There was 1 interview round.

Round 1 - Technical 

(2 Questions)

  • Q1. Minimum Knight Moves (LC Medium)
  • Q2. OS, CN, DB concepts like multithreading, semaphore, tcp vs udp, transaction and ACId properties. Java concepts like stack vs heap(memory), error vs exception. Any 1 Project discussion for 10 mins

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare all the fundamental concepts of operating systems and databases. Refer to the company-tagged questions from LC.
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Recruitment Consulltant and was interviewed before Oct 2022. 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 Resume tips
Round 2 - Technical 

(2 Questions)

  • Q1. Minimum cut problem
  • Ans. 

    Minimum cut problem involves finding the minimum number of edges that must be removed to disconnect a graph.

    • The minimum cut problem is typically solved using algorithms like Karger's algorithm or Ford-Fulkerson algorithm.

    • The result of the minimum cut problem is a partition of the graph into two sets of vertices.

    • The minimum cut problem is often used in network flow optimization and graph theory.

    • Example: In a network of ...

  • Answered by AI
  • Q2. Binary search tree
Round 3 - Coding Test 

Longest increasing subsequence sum problem

Skills evaluated in this interview

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Referral and was interviewed before Jul 2023. There were 3 interview rounds.

Round 1 - Coding Test 

Basic stack and array questions

Round 2 - One-on-one 

(2 Questions)

  • Q1. Design question on creating a funnel for referral approvals in company
  • Q2. Which DB is the best choice
  • Ans. 

    There is no one-size-fits-all answer to which DB is the best choice, as it depends on the specific requirements of the project.

    • Consider the type of data being stored (structured, unstructured, etc.)

    • Evaluate the scalability and performance needs of the project

    • Take into account the budget and resources available for maintenance and support

    • Look at the existing technology stack and compatibility with other systems

    • Consider ...

  • Answered by AI
Round 3 - One-on-one 

(1 Question)

  • Q1. Creating feed of fb with ads integrated
  • Ans. 

    Integrate ads into Facebook feed for monetization

    • Utilize Facebook Audience Network for ad integration

    • Implement native ads for seamless user experience

    • Use targeting options to display relevant ads to users

  • Answered by AI

Skills evaluated in this interview

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test 

DSA Problems from leetcode

Round 2 - Technical 

(1 Question)

  • Q1. Basics about Android and iOS
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Not Selected

I applied via Referral and was interviewed before May 2023. There were 3 interview rounds.

Round 1 - Coding Test 

It was a DSA ALGO Medium round

Round 2 - Technical 

(1 Question)

  • Q1. Design an analytics system
  • Ans. 

    Designing an analytics system for data analysis and visualization

    • Define the goals and objectives of the analytics system

    • Identify the data sources and types of data to be collected

    • Choose appropriate tools and technologies for data processing and analysis

    • Design a data model and architecture for storing and accessing data

    • Implement data visualization techniques for presenting insights to users

  • Answered by AI
Round 3 - HR 

(1 Question)

  • Q1. General HR questions about salary, workstyle, motivation etc

Skills evaluated in this interview

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TikTok Interview FAQs

How many rounds are there in TikTok Senior Software Engineer interview?
TikTok interview process usually has 1 rounds. The most common rounds in the TikTok interview process are Technical and One-on-one Round.
What are the top questions asked in TikTok Senior Software Engineer interview?

Some of the top questions asked at the TikTok Senior Software Engineer interview -

  1. Word search II from leetc...read more
  2. After Introduction he will dig into my projects and after that one DSA Prob...read more
  3. Interviewer asked introduct...read more

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