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Hiver Staff Engineer Interview Questions and Answers

Updated 9 May 2024

Hiver Staff Engineer Interview Experiences

1 interview found

Interview experience
3
Average
Difficulty level
Moderate
Process Duration
-
Result
Not Selected

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

Round 1 - Case Study 

System Design Chirp

User are able to view posts posted by other users in order of their location and then timestamp.
Everytime user location changes so does this feed

Staff Engineer Jobs at Hiver

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Interview questions from similar companies

Interview Questionnaire 

3 Questions

  • Q1. Algorithms on arrays and strings (coding)
  • Ans. 

    Algorithms for manipulating arrays and strings in coding

    • Use sorting algorithms like quicksort and mergesort for arrays

    • Use string manipulation functions like substring and replace for strings

    • Use dynamic programming for optimizing solutions to array and string problems

  • Answered by AI
  • Q2. Distributed Database Design
  • Q3. Large scale Ad Server Design
  • Ans. 

    Designing a large scale Ad Server

    • Use distributed systems for scalability

    • Implement caching for faster ad delivery

    • Ensure high availability and fault tolerance

    • Use real-time bidding for efficient ad placement

    • Implement fraud detection mechanisms

    • Ensure compliance with privacy regulations

  • Answered by AI

Interview Preparation Tips

Round: Interview
Experience: They tested on thought-process during design problems. What problems are with the current solution I suggested and how to improve it...
Tips: Hints from interviewer are very helpful
Keep talking while you are thinking

Skills: Algorithms, Thinking Skills, Coding
College Name: IIT KHARAGPUR

Skills evaluated in this interview

Interview Questionnaire 

9 Questions

  • Q1. Find Maximum sub sequence sum in an array ?
  • Ans. 

    Maximum sub sequence sum in an array

    • Use Kadane's algorithm

    • Initialize max_so_far and max_ending_here to 0

    • Iterate through the array and update max_ending_here and max_so_far

    • Return max_so_far

  • Answered by AI
  • Q2. What do you understand by the endianness of the system ? How do you find out the the type of endianness ?
  • Ans. 

    Endianness refers to the byte order of a system. It determines how multi-byte data types are stored in memory.

    • Little-endian systems store the least significant byte first, while big-endian systems store the most significant byte first.

    • Endianness can affect the way data is transmitted between systems.

    • To determine the endianness of a system, you can use the byte order mark (BOM) or write a test program that checks the by...

  • Answered by AI
  • Q3. Sort an array which consists of 0's and 1's only
  • Ans. 

    Sort an array of 0's and 1's only.

    • Use two pointers, one at the beginning and one at the end of the array.

    • Swap 0's from the beginning with 1's from the end until the pointers meet.

    • Alternatively, use a counting sort algorithm to count the number of 0's and 1's and then reconstruct the array.

  • Answered by AI
  • Q4. A question on applications of minimum spanning tree, apply prim's or kruskal's algorithm
  • Q5. What do you understand by Heaps, max and min heaps ?
  • Ans. 

    Heaps are data structures used to efficiently find the maximum or minimum element in a collection.

    • Max heap: parent nodes are always greater than or equal to child nodes

    • Min heap: parent nodes are always smaller than or equal to child nodes

    • Heaps are commonly used in priority queues and sorting algorithms

    • Heap operations include insert, delete, and extract max/min

    • Example: An array [3, 8, 2, 5, 1, 4, 6] can be represented a

  • Answered by AI
  • Q6. What do you understand by hashing ? questions on application of hashing
  • Q7. Find 3 nos a,b and c in an array where a+b = c
  • Ans. 

    Find 3 numbers in an array where a+b=c.

    • Loop through the array and check for all possible combinations of a and b.

    • Use a hash table to store the values of a and b, and check if c is present in the hash table.

    • Sort the array and use two pointers to find a and b, and then check if their sum equals c.

  • Answered by AI
  • Q8. Some puzzles, as the other interviewee said, but not asked to me
  • Q9. Questions on Dynamic programming

Interview Preparation Tips

College Name: NA

Skills evaluated in this interview

I applied via Campus Placement

Interview Questionnaire 

3 Questions

  • Q1. Tell me one thing about you that's not listed on your resume
  • Ans. 

    I am an avid traveler and have visited over 20 countries

    • I love experiencing new cultures and trying new foods

    • I have backpacked through Europe and Asia

    • I have volunteered in orphanages in Cambodia and Nepal

  • Answered by AI
  • Q2. When you hear InMobi, what's the first word that comes in your head?
  • Ans. 

    Mobile advertising platform

    • Adtech

    • Mobile marketing

    • App monetization

  • Answered by AI
  • Q3. The office of InMobi technologies has 10 floors, each with 300 employees. In the morning (7-8 AM), the building sees 3000 employees entering and waiting in a queue for 3 lifts. In the morning, everyone goe...

Interview Preparation Tips

Round: Resume Shortlist
Experience: The first round was a resume shortlist, which I think was on the basis of programming and coding courses (and projects) taken along with your CGPA. Out of 10 shortlisted people, I knew 4 and all of us were 9 pointers. The rest who I didn't know turned out to be 9 pointers as well! :P
Out of 10 shortlisted people, 3 (including me) were from ECE and the rest were from CS. Even though InMobi was open for Mathematics & Computing, no person from MnC dept. was in the shortlist. (Presumably due to their CGPAs or some other criterion that I'm not in the knowledge of.)
Tips: i) High CGPA is a must (We're talking above 9, at the end of 2nd year for CS/ECE and 3rd year for MnC)
ii)Taking programming and algorithm courses and projects is important, as that must be visible in your resume.

Round: Puzzle Interview
Experience: One special thing about the interviews, you're asked not to wear any formals! That actually helps in taking the tension off of things!
It's simple logic, after that. Increase the lift's speed (taking in mind of the safety), collecting usage data, optimising the lift's floor-stoppage according to that.
As told after the interview, the interviewer is just observing how you think and approach a problem.

One odd thing was not being asked about any coding/algorithm questions even though the profile was for a software engineer.

After this question, I was asked if I had any questions to ask. I simply stated that the work environment and culture affected me as much as the profile I'm applying for. Thus, the drive and motivation of the people who work there is also very important. So I asked what are the companies' values which the employees believe in, too.
Tips: Stay confident, don't let any tension get to your head.
In the future, InMobi may start asking coding questions too in the interviews. or change the selection procedure, which will be communicated in the PPT of InMobi.
Whatever may happen, the first round should show your zeal to solve problems, your creativity in trying different approaches, and applying logic to find the best solution.

Round: HR Interview
Experience: OK! There were a lot of questions asked since the interview was more like a conversation taking place. Like in ANY conversation, keep proper eye contact, smile and be approachable for any questions. Show enthusiasm in your voice and your answers. The interviewer asked me questions about
i)My resume, and all the activities that I'd listed there. (eg: Why did you enlist in this course? Do you like coding?)
ii)Why programming, how does it interest you?
iii)Basic questions about InMobi, like 'What do you know about us after attending the PPT?' and 'Why InMobi'

Since I had done quite a lot of marketing activities, I was also asked about that. Will you do an MBA in the future? What all did you do for marketing? I had a strong background in digital marketing, and we had a little chat about mobile marketing and what's the future of mobile advertising.
Tips: Smile, for god's sake! It's a conversation about you, do all the basic things to improve the conversational experience.
Small things like greeting the interviewer, smiling, proper eye contact, and speaking properly are paramount.

Like in any HR interview, make sure you know yourself and your resume properly, so that you don't phase out in the interview when asked some 'unexpected' question. (since that's when they know thatyou might be lying/exaggerating). Hence introspect enough before sitting the interviews.

General Tips: Make sure you're able to convince yourself and the interviewers for why do you want to work in Inmobi Technolgies.

I've already shared the rest in previous sections! :)

2 people out of 10 were selected for this internship experience, so make sure you prepare well! All the best! :D

Skill Tips: I don't think that this adds on as a skill, but InMobi wants to create a huge impact on the mobile world and the mobile advertising sector.
Your knowledge about this sector in general could help you strike good conversations (at least in the HR round).
Skills: Logic, Problem Solving Abilties, Creativity, Communication Skills
Duration: 2.5
College Name: IIT Kharagpur
Motivation: I'm a gadget geek from my childhood. The mobile industry amazes me as it's been the biggest change-bringer in the modern world. InMobi as a company wants to create a huge impact in the mobile advertising space and mobile advertising! And seeing their products that they offer in this domain had me thinking that they're doing something unique and awesome!
The work culture of InMobi is just amazing, right from flexible work hours to the epic office they have in Bangalore full of awesome people working towards that one goal! Also, InMobi offers their employees opportunities to shift between various verticals if they want to. All of this (along with a good compensation ;-) ) was enough motivation for me to apply!
Funny Moments: When I was asked whether I was in the third year, I said yes, and then said, usually people think that I'm still in high school!
We had a good laugh on that one! :P

Otherwise also, the entire procedure was relaxed and fun in general.

Interview Preparation Tips

Round: Test
Experience: PAPER DURATION: 3 hours
NO. OF QUESTIONS: 2 (20 marks each)
MAXIMUM MARKS: 20*2 = 40 marksQUESTION 1:
JSON Prettier:-Write a program which takes JSON as input and gives prettified JSONYou need to read JSON from STDIN. Input gives one line of uglified JSON.Output should be formatted JSON. Check the standard output link.Use 2 white spaces (not‘\t’) for one indentation.SAMPLE INPUT:{“group” : {list : [1,2,3]}, “list” : [“a”,”b”,”c”]}SAMPLE OUTPUT:{“group” : {List : [1,2,3]},“list” : [“a”,”b”,”c”]}EXPLANATION: Input will be uglifiedjson in one line and output will be prettified format of that. QUESTION 2:XML parse plus series computationEvaluate an expression given in XML format. Keys will be Expr- contains the entire expression. Elem – contains the digit, sum, Prod- contains two or more keys whose evaluation needs to be summed or multiplied respectively. Sub will contain 2 keys or more, where the second key onwards will have to be subtracted from the first one. Div- will contain 2 keys in which first key will need to be divided by second. SAMPLE INPUT:4673 SAMPLE OUTPUT:
20EXPLANATION:Input will be xml file through standard input. End of xml file marked by .
Duration: 180 minutes
Total Questions: 2

College Name: NA

Interview Questionnaire 

3 Questions

  • Q1. N a line where words are separated by spaces, , and capitalize first letter of the reversed word. Other letters of the word should be in small. Input : “how are you?” → Output: “Woh Era ?uoy”
  • Ans. 

    The program capitalizes the first letter of each reversed word in a sentence.

    • Split the sentence into an array of words using space as a delimiter.

    • Reverse each word in the array and capitalize the first letter.

    • Join the modified words back into a sentence.

  • Answered by AI
  • Q2. He second question reduced to finding maximum weight matching in a bipartite graph. Not many people would have done this (maybe none)
  • Q3. There are 2 sets of countries. One set will donate clothes (something of this sort) and anotherset will accept clothes. A country can be in only 1 of the sets. The amount of clothes donated is also given. ...

Interview Preparation Tips

Round: Test
Experience: There were about 20 MCQs (30 minutes) to be done after the coding section. MCQs were totally nonsense. Can be done in 10 mins.For coding section 60 mins.  It was hosted on Hackerrank.
Duration: 90 minutes
Total Questions: 2

Round: Technical Interview
Experience: After this, selected candidates were interviewed that consists of 4 rounds and discussion was mostly on your CV and data structure problems.

General Tips: Be honest with your interviewer. If you are not comfortable in 1 topic, tell your interviewer honestly. Do well in other areas. Look for hints from the interviewer if you get stuck. They want to see how you approach a problem.
Skills: Algortihm, Data structure
College Name: IIT DELHI

Interview Questionnaire 

1 Question

  • Q1. 1st round c mcq 2nd round short coding 3rd round advanced coding 4 and 5 technical hr and general hr

Interview Questionnaire 

1 Question

  • Q1. Simple basic c programing questions

I was interviewed before Mar 2021.

Round 1 - Coding Test 

(1 Question)

Round duration - 60 Minutes
Round difficulty - Easy

  • Q1. 

    Level Order Traversal Problem Statement

    Given a binary tree of integers, return the level order traversal of the binary tree.

    Input:

    The first line contains an integer 'T', representing the number of te...
  • Ans. 

    Return the level order traversal of a binary tree given in level order with null nodes represented by -1.

    • Create a queue to store nodes for level order traversal

    • Start with the root node and add it to the queue

    • While the queue is not empty, dequeue a node, print its value, and enqueue its children

    • Repeat until all nodes are traversed in level order

  • Answered by AI
Round 2 - Coding Test 

(1 Question)

Round duration - 45 minutes
Round difficulty - Easy

  • Q1. What is a deadlock in DBMS, and can you explain the concepts of join and query?
  • Ans. 

    A deadlock in DBMS occurs when two or more transactions are waiting for each other to release locks, causing them to be stuck indefinitely.

    • Deadlock is a situation where two or more transactions are unable to proceed because each is waiting for the other to release locks.

    • To prevent deadlocks, DBMS uses techniques like deadlock detection and prevention algorithms.

    • Joins in DBMS are used to combine rows from two or more ta...

  • Answered by AI
Round 3 - Coding Test 

(1 Question)

Round duration - 60 Minutes
Round difficulty - Medium

  • Q1. Design a system for Twitter, outlining the key components and architecture involved.
  • Ans. 

    Design a system for Twitter

    • Key components: user profiles, tweets, hashtags, timelines

    • Architecture: microservices, load balancers, databases, caching

    • Scalability: sharding, replication, CDN

    • Real-time processing: streaming APIs, push notifications

  • Answered by AI
Round 4 - Coding Test 

(2 Questions)

Round duration - 60 Minutes
Round difficulty - Medium

  • Q1. 

    Maximum Subarray Sum Queries

    You are provided with an array of ‘N’ integers and ‘Q’ queries. Each query requires calculating the maximum subarray sum in a specified range of the array.

    Input:

    The first ...
  • Ans. 

    Implement a function to calculate maximum subarray sum queries in a given range of an array.

    • Iterate through each query and calculate the maximum subarray sum within the specified range using Kadane's algorithm.

    • Keep track of the maximum sum found so far and update it as needed.

    • Return the maximum subarray sum for each query in the test case.

  • Answered by AI
  • Q2. 

    Sort 0 1 2 Problem Statement

    Given an integer array arr of size 'N' containing only 0s, 1s, and 2s, write an algorithm to sort the array.

    Input:

    The first line contains an integer 'T' representing the n...
  • Ans. 

    Sort an integer array containing only 0s, 1s, and 2s in linear time complexity.

    • Use a single scan over the array to sort it in-place.

    • Maintain three pointers for 0s, 1s, and 2s and swap elements accordingly.

    • Example: Input: [0, 2, 1, 2, 0], Output: [0, 0, 1, 2, 2]

  • Answered by AI
Round 5 - Coding Test 

Round duration - 20 Minutes
Round difficulty - Medium

Interview Preparation Tips

Professional and academic backgroundI applied for the job as SDE - 1 in ChennaiEligibility criteria7 CGPAFreshworks interview preparation:Topics to prepare for the interview - Algorithms, Data Structures, Dynamic Programming, OOPS, System DesignTime required to prepare for the interview - 2.5 MonthsInterview preparation tips for other job seekers

Tip 1 : Prepare DS and Algo
Tip 2 : Prepare Dynamic programming 

Application resume tips for other job seekers

Tip 1 : Good in DS and algo that will be help in the interview that is very neccassry
Tip 2 : Prepare DBMS

Final outcome of the interviewSelected

Skills evaluated in this interview

Interview Questionnaire 

1 Question

  • Q1. Strings, arrays, dp
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Hiver Interview FAQs

How many rounds are there in Hiver Staff Engineer interview?
Hiver interview process usually has 1 rounds. The most common rounds in the Hiver interview process are Case Study.
How to prepare for Hiver Staff Engineer interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at Hiver. The most common topics and skills that interviewers at Hiver expect are Python, MySQL, NoSQL, System Design and Architecture.

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AI Staff Engineer

Bangalore / Bengaluru

2-5 Yrs

Not Disclosed

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