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SurveyMonkey Interview Questions and Answers
SurveyMonkey Interview Experiences
4 interviews found
Anonymous
I applied via Company Website and was interviewed in Oct 2024. There was 1 interview round.
(2 Questions)
- Q1. Python code to calculate the sum
- Ans.
Python code to calculate the sum of elements in a list
Use the built-in sum() function in Python to calculate the sum of elements in a list
Create a list of numbers and pass it as an argument to the sum() function
Example: numbers = [1, 2, 3, 4, 5] total = sum(numbers) print(total)
- Q2. Terraform code debug and analysis
Skills evaluated in this interview
Senior Devops Engineer Interview Questions asked at other Companies
I applied via LinkedIn and was interviewed in Aug 2024. There was 1 interview round.
(3 Questions)
- Q1. Longest non-repeating substring
- Ans.
Find the longest substring without any repeating characters
Use a sliding window approach to track the longest substring without repeating characters
Keep track of the characters seen so far in a set to quickly check for repeats
Update the start index of the window when a repeat is found
- Q2. React basics, Virtual DOM, Pure Components, useMemo,
- Q3. Build a component to display concentric circles
- Ans.
Create a component to display concentric circles
Use HTML canvas element to draw circles
Calculate the radius and position of each circle
Use CSS for styling and positioning if needed
Skills evaluated in this interview
Senior Front end Developer Interview Questions asked at other Companies
Aquib Kadri
(1 Question)
- Q1. React/JS fundamentals
Senior Front end Developer Interview Questions asked at other Companies
(1 Question)
- Q1. Technical questions, coding questions, design related questions.
Senior Software Engineer 2 Interview Questions asked at other Companies
SurveyMonkey interview questions for popular designations
Jobs at SurveyMonkey
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Interview Preparation Tips
College Name: NA
Deepali Adlakha
Interview Questionnaire
3 Questions
- Q1. Some question on KMP
- Q2. Simulation Question
- Q3. Topological Sort Question
Interview Preparation Tips
Experience: Simple
Tips: Online Coding Questions
Duration: 60 minutes
Round: Technical Interview
Experience: Moderately difficult
Tips: Thorough understanding of all the algorithms is required.
Round: Technical Interview
Experience: Easy
Tips: Need to start a question afresh without attacking it the way you have solved questions in the past
Round: Technical Interview
Experience: Easy/moderately difficult
Tips: The idea was not that easy to click.
Skills: Coding
College Name: IIT BOMBAY
Motivation: Facebook has revolutionised social networking.
Interview Questionnaire
15 Questions
- Q1. Indexes in mysql
- Ans.
Indexes in MySQL are used to improve query performance by allowing faster data retrieval.
Indexes are created on one or more columns of a table.
They work by creating a separate data structure that allows for faster data retrieval.
Indexes can be created using the CREATE INDEX statement.
Indexes can also be dropped using the DROP INDEX statement.
Indexes can be used to speed up SELECT, UPDATE, and DELETE statements.
Indexes ...
- Q2. Difference between include_once and require_once?
- Ans.
include_once and require_once are PHP functions used to include files. The difference is in how they handle errors.
include_once will only include the file once, and will not throw a fatal error if the file is not found
require_once will also only include the file once, but will throw a fatal error if the file is not found
Both functions are used to include files that contain functions or variables that are needed in the
- Q3. Constructor and destrutor?
- Q4. Sessions vs cookie. Detailed discussion
- Ans.
Sessions and cookies are both used for maintaining user state, but sessions are server-side and cookies are client-side.
Sessions store user data on the server, while cookies store data on the client's browser
Sessions are more secure than cookies because the data is not accessible to the client
Cookies can be used for tracking user behavior and preferences
Sessions are typically used for authentication and authorization p...
- Q5. Some questions on lucene, solr as it was mentioned in my resume
- Q6. 8 ball puzzle
- Q7. Design patterns?
- Q8. Array of first n numbers.One number is missing.Find missing number?
- Ans.
To find missing number in an array of first n numbers.
Calculate the sum of first n numbers using formula n*(n+1)/2
Calculate the sum of given array using loop
Subtract the sum of array from sum of first n numbers to get the missing number
- Q9. What is memcache. Some discussion around it
- Q10. Design a database schema for a chat application where user can send message to an individual or in group
- Ans.
Design a database schema for a chat application with individual and group messaging.
Create a 'users' table with unique user IDs
Create a 'messages' table with message IDs, sender and receiver IDs, message content, and timestamp
Create a 'groups' table with unique group IDs and group names
Create a 'group_members' table with group ID and user ID to track group membership
Use foreign keys to link tables together
Consider inde
- Q11. Write sql to retrieve all unread messages when user sign in
- Ans.
SQL query to retrieve all unread messages upon user sign in
Use a JOIN statement to combine the messages and user tables
Filter the results to only show messages that have not been read by the user
Use the user's sign in information to identify which messages are unread
- Q12. Why do you want to join OLX?
- Ans.
I am excited to join OLX because of its innovative approach to online marketplaces and its commitment to customer satisfaction.
I am impressed by OLX's user-friendly platform and its ability to connect buyers and sellers from all over the world.
I am excited to work with a team of talented developers who are passionate about creating cutting-edge technology.
I believe that OLX's focus on customer satisfaction aligns with ...
- Q13. What difficulties have you faced
- Ans.
I have faced difficulties in debugging complex code and managing project timelines.
Debugging complex code with multiple dependencies
Managing project timelines with changing requirements
Working with legacy code and outdated technologies
Collaborating with team members in different time zones
Dealing with unexpected bugs and errors
- Q14. How is the Employee hierarchy in your current organization.Whom do you report to
- Ans.
I report to the Technical Lead and am part of the development team.
I report to the Technical Lead
I am part of the development team
- Q15. How much is the web traffic on your site etc
- Ans.
Our website receives an average of 10,000 unique visitors per day.
Our website has a steady flow of traffic with a consistent number of unique visitors per day.
We use Google Analytics to track our web traffic and analyze user behavior.
Our peak traffic times are during weekdays from 9am to 5pm.
We have noticed an increase in mobile traffic over the past year.
Our website's traffic is primarily driven by organic search and
Interview Preparation Tips
Experience: Round 4 with CTO :It was a normal discussion.
General Tips: I got a call through recruiter. My telephonic interview got scheduled. Overall process was very fast. It took not more than 3-4 days till I received offer letter.
Skills: Algorithm, Data structure, SQL
College Name: na
Skills evaluated in this interview
I appeared for an interview before Dec 2020.
(2 Questions)
Round duration - 60 Minutes
Round difficulty - Medium
This was a Data Structures and Algorithms round with preety good questions . I was expected to come up with an efficient approach and code it as well .
- Q1.
K Closest Points to Origin Problem Statement
Your house is located at the origin (0,0) of a 2-D plane. There are
Nneighbors living at different points on the plane. Your goal is to visit exactlyKneighb... - Ans.
Find the K closest points to the origin in a 2-D plane using Euclidean Distance.
Calculate the Euclidean Distance of each point from the origin
Sort the points based on their distances
Return the first K points as the closest neighbors
- Q2.
Power Set Generation
Given a sorted array of 'N' integers, your task is to generate the power set for this array. Each subset of this power set should be individually sorted.
A power set of a set 'ARR' i...
- Ans.
Generate the power set of a sorted array of integers with individually sorted subsets.
Use recursion to generate all possible subsets by including or excluding each element in the array.
Sort each subset before adding it to the power set.
Handle base cases for empty array and single element array.
Ensure the subsets are unique by using a set data structure.
Time complexity can be exponential due to the nature of generating
(2 Questions)
Round duration - 50 Minutes
Round difficulty - Hard
This was also a DSA round where I was asked to code only one of the questions but I eventually ended up coding both as I had some spare time and explained my approches very smoothly to the interviewer . This round went preety well .
- Q1.
Roman Numeral to Integer Conversion
Convert a string representing a Roman numeral into its integer equivalent and return the result.
Explanation:
Roman numerals are represented by seven different symbol...
- Ans.
Convert a Roman numeral string to its integer equivalent.
Create a mapping of Roman numeral symbols to their integer values.
Iterate through the input string and add the corresponding integer values.
Handle cases where subtraction is needed (e.g., IV = 4, IX = 9).
- Q2.
Pair Sum Problem Statement
You are given an integer array 'ARR' of size 'N' and an integer 'S'. Your task is to find and return a list of all pairs of elements where each sum of a pair equals 'S'.
Note:
... - Ans.
Find pairs of elements in an array that sum up to a given value, sorted in a specific order.
Iterate through the array and for each element, check if the complement (S - current element) exists in a hash set.
If the complement exists, add the pair to the result list.
Sort the result list based on the criteria mentioned in the question.
Return the sorted list of pairs.
(2 Questions)
Round duration - 50 Minutes
Round difficulty - Medium
This was also a DSA round with 2 questions . One was implementation heavy and the other was related to recursion and so I handled it carefully so that my code does not run into TLE or Segmentation Fault.
- Q1.
Arithmetic Expression Evaluation Problem Statement
You are provided with a string
expressionconsisting of characters '+', '-', '*', '/', '(', ')' and digits '0' to '9', representing an arithmetic express... - Ans.
Evaluate arithmetic expressions in infix notation with given operators and precedence rules.
Parse the infix expression to postfix using a stack.
Evaluate the postfix expression using a stack.
Handle operator precedence and parentheses while evaluating.
Ensure no division by zero cases and operands fit in 32-bit integer.
- Q2.
Remove Duplicates from Sorted Array Problem Statement
You are given a sorted integer array
ARRof sizeN. Your task is to remove the duplicates in such a way that each element appears only once. The outpu... - Ans.
Remove duplicates from a sorted array in-place with O(1) extra memory.
Use two pointers - one for iterating through the array and another for placing unique elements.
Compare current element with next element to identify duplicates and skip them.
Update array in-place by moving unique elements to the front.
Return the length of the array after removal of duplicates.
(2 Questions)
Round duration - 50 Minutes
Round difficulty - Medium
This was a typical System Design round where I was asked about the various features of Facebook and what sort of data structures and algorithms are used in implementing them .
- Q1. How does Facebook store likes and dislikes?
- Ans.
Facebook stores likes and dislikes using a combination of databases and algorithms.
Likes and dislikes are stored in databases such as MySQL or Cassandra.
Algorithms are used to analyze user behavior and recommend content based on likes and dislikes.
User interactions with posts, pages, and ads are tracked to determine likes and dislikes.
Likes and dislikes may also be used to personalize the user's feed and target ads mor
- Q2. How does Facebook implement graph search?
- Ans.
Facebook implements graph search using a graph database to efficiently search for connections between users and their interests.
Facebook uses a graph database to store connections between users, pages, groups, etc.
The graph search algorithm traverses the graph to find relevant connections based on user queries.
It takes into account factors like user relationships, interests, and interactions to provide personalized sea
(2 Questions)
Round duration - 50 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.
- Q1. What is Hadoop and why is it used?
- Ans.
Hadoop is a framework for distributed storage and processing of large data sets.
Hadoop is used for storing and processing big data across a distributed network of computers.
It is based on the MapReduce programming model, which allows for parallel processing of data.
Hadoop consists of HDFS for storage and YARN for resource management.
It is used for tasks like data warehousing, log processing, recommendation systems, and...
- Q2. How does Facebook Chat work?
- Ans.
Facebook Chat works by using a combination of websockets, long polling, and push technology to deliver real-time messaging.
Facebook Chat uses websockets for real-time communication between the client and server.
Long polling is used to check for new messages when websockets are not supported.
Push technology is used to notify users of new messages even when the chat window is not open.
Messages are stored in a database an...
Interview Preparation Tips
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.
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.
Skills evaluated in this interview
Interview Preparation Tips
Experience: In the coding round there were 3 questions to be solved in about 3 hrs.
Round: HR Interview
Experience: Expect the usual crazy questions like "Why LinkedIn?" and if you are already placed, be ready to give a proper justification for "Why LinkedIn and not XYZ?" so on. Be cool, you need not be accurate. Be well prepared with your resume and expect questions from them.
Tips: For the interview, just be confident and have a good resume ready with you.
Round: Other Interview
Experience: Coding Interview:
Simple coding questions. Make sure you first explain the logic to them and then you may be asked to write the code for it on the board using any language of your choice. Syntax is not a big deal, but don't make any logical errors. They are very friendly and may suggest certain solutions of their own. Make sure you can grasp them quickly. Find faults in your own code before they find it. Always try to give the best optimal solution. In case you are unable to do so then suggest possible improvements.
Round: Other Interview
Experience: Design Interview:
Some people may find this round a bit uneasy. But this round tests how good you are at designing solutions to problems. Most of the candidates were asked to build an online gaming system. And then they keep adding extra constraints and ideas and see if you can integrate them to your design. Database knowledge may be tested. They may also ask questions pertaining to you projects listed in your resume.
General Tips: An updated LinkedIn account with decent connections. ;)
Skill Tips: Be very strong with your coding ability. Whenever you code, do follow some standard procedures and make the code look simple and structured. Whenever you solve a coding question make sure you answer it completely for all the test cases. Partial results will only indicate that there is something wrong with the logic. Try to solve a complete question rather than multiple questions with partial results.
College Name: NIT SURATHKAL
Interview Preparation Tips
Experience: Three questions of increasing difficulty level. The first one was on string manipulation, the second was based on the iterative version of the merge sort algorithm and the last one on dynamic programming.
Total Questions: 3
Round: Other Interview
Experience: Eight students were selected for this stage which consisted of three separate interviews. The first one was on algorithms and programming, the second on system design and the third was HR. In the algorithms and programming interview I was asked two questions. The interviewer asked me to first explain the proposed algorithm and then I was expected to write the code on a white board they had provided. Three weeks after the interviews the selected candidates were informed through the concerned placement coordinator.
General Tips: Don't panic, the interviewers don't expect you to come up with the optimum result directly and they will give you enough time to refine your solution.
Skill Tips: No special preparation is required. Just make sure that you have understood the fundamentals
of Data Structures and Algorithms well.
College Name: NIT SURATHKAL
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