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LinkedIn Senior Engineer Interview Questions and Answers

Updated 26 Feb 2024

LinkedIn Senior Engineer Interview Experiences

1 interview found

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

(3 Questions)

  • Q1. What is ACID in DBs ?
  • Ans. 

    ACID stands for Atomicity, Consistency, Isolation, and Durability in databases.

    • Atomicity ensures that all operations in a transaction are completed successfully or none at all.

    • Consistency ensures that the database remains in a consistent state before and after the transaction.

    • Isolation ensures that multiple transactions can be executed concurrently without affecting each other.

    • Durability ensures that once a transaction...

  • Answered by AI
  • Q2. What is the difference in checked and unchecked exceptions ?
  • Ans. 

    Checked exceptions are checked at compile time while unchecked exceptions are not checked at compile time.

    • Checked exceptions are subclasses of Exception class except RuntimeException and its subclasses.

    • Unchecked exceptions are subclasses of RuntimeException and Error classes.

    • Checked exceptions must be caught or declared in the method signature using 'throws' keyword.

    • Unchecked exceptions do not need to be caught or decl...

  • Answered by AI
  • Q3. Find the min difference between any two integers of 2 sorted list
  • Ans. 

    To find the minimum difference between any two integers of 2 sorted lists, iterate through both lists simultaneously and keep track of the minimum difference.

    • Iterate through both sorted lists simultaneously

    • Keep track of the minimum difference found so far

    • Update the minimum difference if a smaller difference is found

  • Answered by AI

Skills evaluated in this interview

Interview questions from similar companies

Interview Questionnaire 

1 Question

  • Q1. What is name mangling?
  • Ans. 

    Name mangling is a technique used by compilers to give unique names to functions and variables to avoid naming conflicts.

    • Name mangling is used in C++ to support function overloading.

    • It is also used in Python to avoid naming conflicts in modules.

    • Name mangling can make it difficult to access variables and functions from outside the class in which they are defined.

    • In C++, name mangling can be seen by using the 'nm' comman

  • Answered by AI

Skills evaluated in this interview

Interview Questionnaire 

1 Question

  • Q1. Spring and SpringBoot

I applied via Job Fair and was interviewed before May 2021. There were 2 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 tips
Round 2 - HR 

(1 Question)

  • Q1. What is your job role

Interview Preparation Tips

Interview preparation tips for other job seekers - Be confident and strive hard to achieve what you desire

Interview Questionnaire 

6 Questions

  • Q1. Explain abstract factory design pattern ?
  • Ans. 

    Abstract Factory is a creational design pattern that provides an interface for creating families of related objects.

    • Abstract Factory is used when we need to create families of related objects without specifying their concrete classes.

    • It provides an interface for creating objects of related classes without specifying their concrete classes.

    • It encapsulates a group of factories that have a common theme.

    • It promotes loose c...

  • Answered by AI
  • Q2. How do you do range based map iteration
  • Ans. 

    Range based map iteration can be done using a for-each loop or iterators.

    • Use a for-each loop to iterate over the map elements.

    • Alternatively, use iterators to traverse the map.

    • The range-based for loop is preferred for its simplicity and readability.

    • Example: for(auto const& [key, value] : myMap) { //do something with key and value }

  • Answered by AI
  • Q3. What are detached and joined threads
  • Ans. 

    Detached threads are independent threads that run separately from the main thread. Joined threads are threads that wait for the main thread to finish.

    • Detached threads are created using pthread_detach() function

    • Joined threads are created using pthread_join() function

    • Detached threads do not need to be explicitly terminated

    • Joined threads must be explicitly terminated using pthread_exit() or return statement

    • Detached thread...

  • Answered by AI
  • Q4. What are static code analysis tools
  • Ans. 

    Static code analysis tools are software programs that analyze source code to find potential issues and improve code quality.

    • Static code analysis tools scan code without executing it

    • They can detect issues such as security vulnerabilities, coding errors, and performance problems

    • Examples of static code analysis tools include SonarQube, ESLint, and Checkstyle

  • Answered by AI
  • Q5. Command to list currently running threads in linux
  • Ans. 

    Command to list currently running threads in linux

    • Use the 'ps' command with the 'H' option to display threads in a hierarchy

    • Use the 'top' command to display threads in real-time

    • Use the 'htop' command for an interactive display of threads

  • Answered by AI
  • Q6. Can we perform arithmetic operation on Unique pointer
  • Ans. 

    No, arithmetic operations cannot be performed on unique pointers.

    • Unique pointers are used to manage the lifetime of dynamically allocated objects.

    • They cannot be copied or assigned, only moved.

    • Arithmetic operations are not defined for pointers, including unique pointers.

  • Answered by AI

Skills evaluated in this interview

Interview Questionnaire 

1 Question

  • Q1. Design facebook
  • Ans. 

    Designing Facebook is a complex task involving various components and technologies.

    • Identify the core features of Facebook such as user profiles, news feed, messaging, and groups.

    • Choose appropriate technologies for each component such as PHP for backend, React for frontend, and MySQL for database.

    • Ensure scalability and performance by implementing caching, load balancing, and database sharding.

    • Implement security measures...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Database, logical reasoning

Skills evaluated in this interview

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

Interview Questionnaire 

2 Questions

  • Q1. Linked list, data structure
  • Q2. Map,

Interview Preparation Tips

Interview preparation tips for other job seekers - Learn data structure and analysis

I applied via Naukri.com and was interviewed in May 2021. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. Programming

Interview Preparation Tips

Interview preparation tips for other job seekers - Interviewer had less knowledge on the current technologies and was more stereo type.
Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
Not Selected

I applied via Approached by Company and was interviewed in Sep 2023. There were 2 interview rounds.

Round 1 - Coding Test 

Traverse through a matrix of uppercase english alphabets to find a given word. you are allowed to make up to k jumps, and same position can be repeated too.

Round 2 - Technical 

(1 Question)

  • Q1. Compression of 0-1 matrix of particular size.
  • Ans. 

    Compression of 0-1 matrix involves reducing the size of the matrix by storing only the necessary information.

    • Use run-length encoding to compress the matrix by storing consecutive repeated values as a single value and count.

    • Identify patterns in the matrix that can be represented more efficiently.

    • Consider using sparse matrix representation if the matrix has a lot of zeros.

    • Implement efficient algorithms to compress and de...

  • Answered by AI

Skills evaluated in this interview

Senior Engineer Interview Questions & Answers

IBM user image Manali Latkar

posted on 30 May 2024

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
No response

I applied via Naukri.com and was interviewed in Apr 2024. There were 2 interview rounds.

Round 1 - Coding Test 

3 dsa questions and various golang concepts and 1 concurrency question

Round 2 - Technical 

(1 Question)

  • Q1. System design questions

LinkedIn Interview FAQs

How many rounds are there in LinkedIn Senior Engineer interview?
LinkedIn interview process usually has 1 rounds. The most common rounds in the LinkedIn interview process are Technical.
What are the top questions asked in LinkedIn Senior Engineer interview?

Some of the top questions asked at the LinkedIn Senior Engineer interview -

  1. What is the difference in checked and unchecked exception...read more
  2. Find the min difference between any two integers of 2 sorted l...read more
  3. What is ACID in DB...read more

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LinkedIn Senior Engineer Interview Process

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