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Meta Production Engineer Intern Interview Questions and Answers

Updated 4 Dec 2024

Meta Production Engineer Intern Interview Experiences

1 interview found

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Not Selected

I applied via Approached by Company and was interviewed in Nov 2024. There were 2 interview rounds.

Round 1 - MCQ Test 

(2 Questions)

  • Q1. Basic BGP Protocol Questions
  • Q2. Linux basics Questions
Round 2 - Coding Test 

Medium Leetcode Problems

Interview Preparation Tips

Interview preparation tips for other job seekers - Practice Easy and medium Leetcode for the coding round

Interview questions from similar companies

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

DSA round was there it was good

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

(1 Question)

  • Q1. Tell me about yourself
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
5
Excellent
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
No response

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

Round 1 - HR 

(2 Questions)

  • Q1. Why you want to join facebook?
  • Ans. 

    I want to join Facebook because of its innovative technology, global impact, and opportunities for growth.

    • Innovative technology: Facebook is known for its cutting-edge technology and constant innovation.

    • Global impact: Working at Facebook would allow me to contribute to a platform that connects billions of people worldwide.

    • Opportunities for growth: Facebook offers a dynamic and fast-paced work environment with ample opp...

  • Answered by AI
  • Q2. Whats the best feature you like in Facebook?
  • Ans. 

    I appreciate the personalized news feed feature on Facebook.

    • Personalized news feed shows content based on user interests

    • Helps users stay updated on relevant information

    • Allows users to engage with content they are interested in

  • Answered by AI

I was interviewed in Jul 2021.

Round 1 - Coding Test 

(2 Questions)

Round duration - 90 minutes
Round difficulty - Hard

This was an online coding round where we had 2 questions to solve under 90 minutes . Both the questions were preety hard according to me . One has to have a fair share of knowledge in Data Structures and Algorithms to pass this round .

  • Q1. 

    Longest Increasing Path in a 2D Matrix Problem Statement

    Given a matrix of non-negative integers of size 'N x M', where 'N' and 'M' denote the number of rows and columns respectively, find the length of t...

  • Ans. 

    The task is to find the length of the longest increasing path in a 2D matrix, where you can move in four directions: left, right, up, or down from each cell.

    • Traverse the matrix and for each cell, find the longest increasing path starting from that cell

    • Use dynamic programming to store the length of the longest increasing path for each cell

    • Recursively explore all four directions from each cell, checking if the next cell ...

  • Answered by AI
  • Q2. 

    Saving Money Problem Statement

    Ninja is adventurous and loves traveling while being mindful of his expenses. Given a set of 'N' stations connected by 'M' trains, each train starting from station 'A' and r...

  • Ans. 

    The task is to find the cheapest price from the given source to destination with up to K stops.

    • Read the number of test cases

    • For each test case, read the number of stations and trains

    • Read the details of each train (source, destination, ticket price)

    • Read the source station, destination station, and maximum number of stops

    • Implement a graph data structure to represent the stations and trains

    • Use a modified version of Dijkst...

  • Answered by AI
Round 2 - Video Call 

(2 Questions)

Round duration - 60 Minutes
Round difficulty - Medium

This Round was DS and Algo round and it started with formal introduction, followed by 2 problems. We first dicussed the
approach the time complexity and proper code covering all cases.

  • Q1. 

    K - Sum Path In A Binary Tree

    Given a binary tree where each node contains an integer value, and a value 'K', your task is to find all the paths in the binary tree such that the sum of the node values in ...

  • Ans. 

    The task is to print every path of a binary tree with the sum of nodes in the path as 'K'.

    • Traverse the binary tree and keep track of the current path and its sum

    • At each node, check if the sum of the current path equals 'K'

    • If yes, add the current path to the result

    • Continue traversing the left and right subtrees recursively

    • Remove the current node from the path before backtracking

  • Answered by AI
  • Q2. 

    Combination Sum Problem Statement

    Given an array of distinct positive integers ARR and a non-negative integer 'B', find all unique combinations in the array where the sum is equal to 'B'. Numbers can be c...

  • Ans. 

    The task is to find all unique combinations in an array whose sum is equal to a given target sum.

    • Use backtracking to generate all possible combinations

    • Sort the array in non-decreasing order to ensure elements in each combination are in non-decreasing order

    • Start with an empty combination and iterate through the array, adding each element to the combination and recursively calling the function with the remaining sum

    • If th...

  • Answered by AI
Round 3 - Video Call 

(3 Questions)

Round duration - 50 Minutes
Round difficulty - Medium

This Round was DS/Algo + Core round and it started with formal introduction, followed by 3 problems. We first dicussed
the approach the time complexity and proper code covering all cases for the 2 coding problems . The last question was
related to OS and was a bit theoretical .

  • Q1. 

    Merging Accounts Problem

    Given a list ACCOUNTS where each element consists of a list of strings, with the first element being the name of the account holder, and the subsequent elements being the email ad...

  • Ans. 

    The task is to merge accounts belonging to the same person based on common emails and return the merged accounts.

    • Iterate through each account and create a mapping of emails to account holders

    • Iterate through the mapping and merge accounts with common emails

    • Sort the merged accounts and return the result

  • Answered by AI
  • Q2. 

    Binary Tree Construction from Preorder and Inorder Traversal

    The goal is to construct a binary tree from given preorder and inorder traversal lists of the tree nodes.

    Example:

    Input:
    preorder = [1, 2, ...
  • Ans. 

    The task is to construct a binary tree using the given inorder and preorder traversals.

    • Use the preorder traversal to determine the root of the binary tree

    • Use the inorder traversal to determine the left and right subtrees of the root

    • Recursively construct the left and right subtrees

    • Return the root node of the constructed binary tree

  • Answered by AI
  • Q3. Can you explain the concept of demand paging?
  • Ans. 

    Demand paging is a memory management technique where pages are loaded into memory only when needed.

    • Demand paging allows for efficient memory utilization by loading pages into memory on demand.

    • It reduces the amount of initial memory required to start a process.

    • When a page is needed but not in memory, a page fault occurs and the required page is loaded from disk.

    • Demand paging allows for larger virtual memory space than p...

  • Answered by AI
Round 4 - Video Call 

(3 Questions)

Round duration - 60 minutes
Round difficulty - Medium

This was a preety intense round as I was grilled more on my System Design concepts but eventually I was able to
asnwers all the questions with some help from the interviewer.

General Tip : While preparing for Facebook Interviews , make sure you read and understand some of the most important features that Facebook incorporates like Graph Search , Adding a friend , Removing a friend , Storing Likes/Dislikes and so on. 
All these features are important to learn because at their core they are nothing but Data Structures used and implemented very elegantly . So before your next Facebook interview , do read these topics and be confident about your LLD as well as HLD skills.

  • Q1. How does Facebook store likes and dislikes?
  • Ans. 

    Facebook stores likes/dislikes using a combination of databases and caching systems.

    • Likes/dislikes are stored in a distributed database system like Cassandra or HBase.

    • Each like/dislike is associated with a user and the content being liked/disliked.

    • The database is sharded to handle the large volume of likes/dislikes.

    • Caching systems like Memcached or Redis are used to improve read performance.

    • Likes/dislikes can be stored...

  • Answered by AI
  • Q2. How does Facebook implement graph search?
  • Ans. 

    Facebook implements graph search by indexing user connections and content to enable efficient search queries.

    • Facebook indexes user connections and content to build a graph database.

    • The graph database is used to store and retrieve information about users, their relationships, and their content.

    • Graph search queries are executed by traversing the graph database to find relevant connections and content.

    • Facebook uses variou...

  • Answered by AI
  • Q3. How does Facebook Chat work?
  • Ans. 

    Facebook Chat is a real-time messaging system that allows users to send and receive instant messages.

    • Facebook Chat uses a client-server architecture.

    • It utilizes long polling or WebSockets for real-time communication.

    • Messages are stored in a message queue for delivery.

    • Chat messages are encrypted for security.

    • Facebook Chat supports features like read receipts, typing indicators, and group chats.

  • Answered by AI

Interview Preparation Tips

Eligibility criteriaAbove 7 CGPAFacebook interview preparation:Topics to prepare for the interview - Data Structures, Algorithms, System Design, Aptitude, OOPSTime required to prepare for the interview - 4 MonthsInterview preparation tips for other job seekers

Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.

Application resume tips for other job seekers

Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.

Final outcome of the interviewSelected

Skills evaluated in this interview

Interview experience
3
Average
Difficulty level
Hard
Process Duration
2-4 weeks
Result
-

I applied via Recruitment Consulltant and was interviewed in Apr 2023. There were 3 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Don’t add your photo or details such as gender, age, and address in your resume. These details do not add any value.
View all tips
Round 2 - Coding Test 

Leetcode question on DFS and BFS. Passed

Round 3 - Case Study 

Develop a ml model to predict pass/no pass decision.

Interview Preparation Tips

Interview preparation tips for other job seekers - case study needs to be well organized and you need to write down everything.
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test 

Implement boolean canConstruct(String targetString, String[] dict) which returns true if we can construct the targetString by concatenating the words given in the dictionary

Round 2 - Technical 

(1 Question)

  • Q1. Implement key value store
  • Ans. 

    Implement a key value store for storing and retrieving data efficiently.

    • Use a hash table or a balanced tree data structure to store key-value pairs.

    • Implement functions for inserting, updating, deleting, and retrieving key-value pairs.

    • Consider implementing features like transactions, concurrency control, and data persistence.

    • Example: Implement a simple key value store using a hash table in Python.

  • Answered by AI

Skills evaluated in this interview

Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
No response

I applied via Job Fair and was interviewed before Dec 2023. There was 1 interview round.

Round 1 - One-on-one 

(1 Question)

  • Q1. Strenghts/weaknesses

Interview Preparation Tips

Interview preparation tips for other job seekers - ez

I was interviewed before Sep 2020.

Round 1 - Coding Test 

(1 Question)

Round duration - 140 minutes
Round difficulty - Medium

Test timing was at 2:00 pm , it was conducted in a college and the environment was good for the test. Camera was a primary part of test, so no suspicious activity.

  • Q1. 

    Sum of Two Numbers Represented as Arrays

    Given two numbers in the form of two arrays where each element of the array represents a digit, calculate the sum of these two numbers and return this sum as an ar...

  • Ans. 

    Given two numbers represented as arrays, calculate their sum and return the result as an array.

    • Iterate through the arrays from right to left, adding digits and carrying over if necessary

    • Handle cases where one array is longer than the other by considering the remaining digits

    • Ensure the final sum array does not have any leading zeros

  • Answered by AI
Round 2 - Face to Face 

Round duration - 20 minutes
Round difficulty - Easy

The round was conducted at around 12 p.m. I was called at the college location and then it was conducted. The interviewer was quite polite and frank.

Round 3 - HR 

Round duration - 8 minutes
Round difficulty - Easy

This round was conducted right after finishing and clearing the technical round at the same place and on the same day.

Interview Preparation Tips

Eligibility criteriaAbove 60 %Wipro Limited interview preparation:Topics to prepare for the interview - OOPS, Data Structures, Database Concepts, Coding problemsTime required to prepare for the interview - 2-3 monthsInterview preparation tips for other job seekers

Tip 1 : Practice atleast 2-3 Coding problems daily so your logic building becomes stronger.
Tip 2 : Exercise problems based on OOPS concepts and others too.
Tip 3 : If you can have your own project built, then it's the major point and will act as a plus point.

Application resume tips for other job seekers

Tip 1 : Your resume should be in standard form, short and simple will be more effective.
Tip 2 : Whatever you have learned, you need to mention it in your resume as that will be your primary source of selection and having project on your resume is important.

Final outcome of the interviewSelected

Skills evaluated in this interview

Meta Interview FAQs

How many rounds are there in Meta Production Engineer Intern interview?
Meta interview process usually has 2 rounds. The most common rounds in the Meta interview process are Coding Test.
What are the top questions asked in Meta Production Engineer Intern interview?

Some of the top questions asked at the Meta Production Engineer Intern interview -

  1. Basic BGP Protocol Questi...read more
  2. Linux basics Questi...read more

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Meta Production Engineer Intern Interview Process

based on 1 interview

Interview experience

5
  
Excellent
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