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AtDrive Group Software Development Engineer Interview Questions and Answers

Updated 23 Mar 2021

AtDrive Group Software Development Engineer Interview Experiences

1 interview found

Interview Questionnaire 

1 Question

  • Q1. Just work on basics and keep up with the current company project as they will have a look at it.

Interview questions from similar companies

I appeared for an interview before Mar 2021.

Round 1 - Coding Test 

(2 Questions)

Round duration - 75 minutes
Round difficulty - Medium

This was an online coding round where we had 2 questions to solve under 75 minutes. I found both the questions to be of Easy to Medium level of difficulty.

  • Q1. 

    Line Reflection Problem Statement

    You are given several sets of points on a 2D plane, each set represented as a list of coordinates. Your task is to determine if there exists a line parallel to the Y-axis...

  • Ans. 

    The task is to determine if there exists a line parallel to the Y-axis that reflects given points symmetrically.

    • Iterate through each test case and check if a vertical reflection line exists for the given points

    • Calculate the midpoint of the x-coordinates and check if it reflects the points symmetrically

    • Consider edge cases where points are on the reflection line or have the same x-coordinate

  • Answered by AI
  • Q2. 

    Number of Islands Problem Statement

    You are provided with a 2-dimensional matrix having N rows and M columns, containing only 1s (land) and 0s (water). Your goal is to determine the number of islands in t...

  • Ans. 

    Count the number of islands in a 2D matrix of 1s and 0s.

    • Iterate through the matrix and perform depth-first search (DFS) to find connected 1s.

    • Mark visited cells to avoid redundant traversal.

    • Increment island count whenever a new island is encountered.

  • Answered by AI
Round 2 - Face to Face 

(4 Questions)

Round duration - 60 minutes
Round difficulty - Medium

This round had 2 coding questions followed by some questions from DBMS.

  • Q1. 

    Largest Rectangle in Histogram Problem Statement

    You are given an array/list HEIGHTS of length N, where each element represents the height of a histogram bar. The width of each bar is considered to be 1.

    ...
  • Ans. 

    Find the area of the largest rectangle that can be formed within the bounds of a given histogram.

    • Iterate through the histogram bars and calculate the area of the largest rectangle that can be formed using each bar as the height.

    • Use a stack to keep track of the indices of the bars in non-decreasing order of height.

    • Pop elements from the stack and calculate the area until a smaller height bar is encountered.

    • Update the max...

  • Answered by AI
  • Q2. 

    Valid Parentheses Problem Statement

    Given a string 'STR' consisting solely of the characters “{”, “}”, “(”, “)”, “[” and “]”, determine if the parentheses are balanced.

    Input:

    The first line contains an...
  • Ans. 

    The task is to determine if a given string consisting of parentheses is balanced or not.

    • Iterate through the characters of the string and use a stack to keep track of opening parentheses.

    • If an opening parenthesis is encountered, push it onto the stack.

    • If a closing parenthesis is encountered, check if it matches the top of the stack. If it does, pop the stack, else the string is not balanced.

    • At the end, if the stack is e...

  • Answered by AI
  • Q3. Can you explain the concept of ACID properties in DBMS?
  • Ans. 

    ACID properties in DBMS ensure data integrity and consistency in transactions.

    • Atomicity: All operations in a transaction are completed successfully or none at all.

    • Consistency: Data is always in a valid state before and after a transaction.

    • Isolation: Transactions are isolated from each other to prevent interference.

    • Durability: Once a transaction is committed, changes are permanent and survive system failures.

    • Example: If...

  • Answered by AI
  • Q4. Can you explain the different levels of data abstraction in a DBMS?
  • Ans. 

    Levels of data abstraction in a DBMS refer to the different views of data provided to users and applications.

    • Physical level: Deals with how data is stored on the storage media. Example: data blocks, pages, indexes.

    • Logical level: Focuses on how data is represented to users. Example: tables, views, constraints.

    • View level: Provides a customized view of the database for specific users or applications. Example: queries, rep

  • Answered by AI
Round 3 - Face to Face 

(4 Questions)

Round duration - 60 minutes
Round difficulty - Medium

Standard DS/Algo round with 2 coding questions followed by 2 interesting puzzles.

  • Q1. 

    Cycle Detection in Undirected Graph Problem Statement

    You are provided with an undirected graph containing 'N' vertices and 'M' edges. The vertices are numbered from 1 to 'N'. Your objective is to determi...

  • Ans. 

    Detect if an undirected graph contains a cycle by exploring all possible paths.

    • Use Depth First Search (DFS) algorithm to traverse the graph and detect cycles.

    • Maintain a visited set to keep track of visited vertices and a parent pointer to avoid visiting the same vertex twice.

    • If a visited vertex is encountered that is not the parent of the current vertex, a cycle is present.

    • Consider edge cases like disconnected graphs a

  • Answered by AI
  • Q2. 

    Maximum 1s in a Row Problem

    Given a matrix ARR with dimensions N * M, consisting only of 0s and 1s where each row is sorted, determine the index of the row that contains the highest number of 1s. If multi...

  • Ans. 

    Find the row with the maximum number of 1s in a sorted matrix.

    • Iterate through each row of the matrix and count the number of 1s in each row

    • Keep track of the row index with the maximum number of 1s

    • Return the index of the row with the highest count of 1s

  • Answered by AI
  • Q3. You have two wires of different lengths, each taking different amounts of time to burn completely. How can you use these wires to measure a specific duration of time?
  • Ans. 

    By lighting both wires at the same time, the shorter wire will burn out first, allowing you to measure a specific duration of time.

    • Light both wires at the same time

    • Measure the time it takes for the shorter wire to burn out completely

    • The remaining length of the longer wire will indicate the specific duration of time

  • Answered by AI
  • Q4. You have 3 ants located at the corners of a triangle. The challenge is to determine the movement pattern of the ants if they all start moving towards each other. What will be the outcome?

Interview Preparation Tips

Eligibility criteriaAbove 7 CGPASapient Corporation interview preparation:Topics to prepare for the interview - Data Structures, Algorithms, DBMS, OS, 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

I applied via Company Website and was interviewed before Dec 2020. There were 5 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. It was a 30 mins of discussion about my clg projects and oops concepts of Java

Interview Preparation Tips

Interview preparation tips for other job seekers - Learn oops concepts in java

I applied via Referral and was interviewed in Dec 2020. There were 5 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Selenium web driver, Testng, xpath, types of xpath, locators, agile model, select class, action class

Interview Preparation Tips

Interview preparation tips for other job seekers - Be technically prepared, give answer in concise and short manner.

I applied via Recruitment Consultant and was interviewed before Jul 2020. There were 7 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. 1. Question regarding Spring boot micro service and JPA, 2. Collections questions like contract between equals and hashcode, Array vs list etc

Interview Preparation Tips

Interview preparation tips for other job seekers - Nothing too hard. If you are bit well and springboot and core java you will definitely be able crack the interview.

Interview Questionnaire 

1 Question

  • Q1. Logical Programs

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare your self for MCQ and technical programs

I applied via Referral and was interviewed in Feb 2021. There were 5 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. There were 6 rounds for me: IQ, Coding, MCQ, 3 F2F. If still have queries, connect me on linkedin
  • Ans. For Coding practise on Leetcode, for MCQ be strong on your concepts as I have this round for around 3 hours and 180 questions which.were purely on C# and datavase divided into multiple sections and for F2F be what you know exactly and what you have worked on as mostly scenario based questions were there
  • Answered Anonymously

Interview Preparation Tips

Interview preparation tips for other job seekers - Always give your best and let the interviewer know what you know fairly. Even try to answer the questions instead of give up instantly

I applied via Naukri.com and was interviewed in Feb 2021. There were 4 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Core Java and Spring related

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare yourself well with Java concepts along with Spring framework

I applied via Monster and was interviewed in Aug 2019. There were 3 interview rounds.

Interview Questionnaire 

5 Questions

  • Q1. What is your Experience in current company?
  • Q2. What is the importance of job in your daily life?
  • Q3. What is you technical knowledge?
  • Q4. What is your highest strengths?
  • Q5. How long have you been working this company?

Interview Preparation Tips

Interview preparation tips for other job seekers - that is good dressing and confidence is the first key where we go for interview. and good knowledge in their domain that what we experienced.

Interview Preparation Tips

Round: Test
Experience: In the first round there was an online test. Questions were from aptitude, general English and a simple code( very simple if you have programming skills).
Tips: It was purely a knowledge based round so everything depends on your preparation level and a bit confidence.

Round: Technical Interview
Experience: In technical round interview the process was like this...
I entered in room and greeted interviewer and he asked me to sit down. I handed over my resume to him. His first question was tell me about yourself. Then my projects. After that he came on programming, He asked me very basic concept about C++. Questions were like what is polymorphism, What is encapsulation. He also asked program of fibonacci series. After all these question he again looked at my resume and asked me 'why your CGPA is low?' I said that when i was in my first year i had interest in electronics but later when i encountered with programming i decided to have my career in this field so i could not concentrate on my core subjects.
Tips: C++ is '''''must''''' for Virtusa if you are from electronics . I didn't know data structure but c++ was on my fingers. Answer question with confidence.

Round: HR Interview
Experience: HR interview was really cool. Interview asked me about myself, my family, real life applications of my project. After that he came on real stuff. He asked question like why do you want to join virtusa? I said virtusa is this .. virtusa is this.....and many more..and in last i said this is i want to join virtusa. Next question was ' what do think about dowry?'. At first i was surprised to hear this question but i realized that interview only want to check my ability to speak on random topic. I answered the question by criticizing dowry and he was pleased to hear my answer. After one or two general HR question like location preference , he told me that your interview is over please wait outside for result. It was really nice to meet you . Thank you.
Tips: Never stop speaking in HR interview. They only check your ability to speak on random topics and their general HR question. I was continuously speaking ...please do not bother about grammar while speaking ...just speak with confidence(relevant).

General Tips: prepare c , c++ and ability to speak in front of interviewer.
Skills: Basic Coding, Aptitude, 1)communication
College Name: NIT Jalandhar

AtDrive Group Interview FAQs

How to prepare for AtDrive Group Software Development 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 AtDrive Group. The most common topics and skills that interviewers at AtDrive Group expect are Ajax, JQuery, JSON, Multithreading and OOAD.

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