Vserv Infosystems Software Engineer Interview Questions and Answers

4 sections Quantitative Analysis, Programming Based (output analysis, error detection), Aptitude and ML Engineering ( activation functions, models etc basics)

• Q1. Merge Sort simple divide and conquer but a pain to execute they really just look for how logical you are and if your approach is correct
  Add Answer
• Q2. Talk about your projects previous experience etc
  Add Answer

• Q1. What do you think about Q
  Add Answer
• Q2. Personality based questions like what are your hobbies, what drives you etc
  Add Answer

• Q1. Basics of Java OOPS
  Add Answer

Basic java oops and coding question

• Q1. DSA and java basics
  Add Answer

• Q1. Again DSA and java advanced
  Add Answer

• Q1. Develop chat app
  View Answers (1)

It's aptitude and coding test they asked questions related to data interpretation mostly.and one coding question easy one and two SQL questions I got on joins

Topic given by them you have two minutes to think and then discuss with group for 5 minutes. At the end they ask for conclusion from everyone there is group of eight students and they select two or three from them

• Q1. Asked about testing
  Add Answer
• Q2. What are types of testing
  View Answers (1)
• Q3. Project related questions
  Add Answer
• Q4. Hr related questions
  Add Answer
• Q5. Whitebox vs black box testing
  View Answers (1)

• Q1. Oops concepts,interface and abstract class
  Add Answer

• Q1. Basic questions from oops, collections and springboot, basic queries.
  Add Answer

• Q1. Very detailed questioning on all Cs Concept
  Add Answer

• Q1. Again 1hr round with too many questions
  Add Answer

• Q1. Very poor round. First 2 rounds were taken for senior software engineer but offered software engineer post.
  Add Answer

• Q1. OOPS, C++, Data Structures, Algorithms, and Aptitude were asked in this round.
  Add Answer

This round had only one question and the time given was 60 mins, it was a medium-level Question based on Arrays. The question was given in the form of a story just like we get on platforms like Codechef and we had to provide an optimized solution with given and hidden test cases getting the correct output.

• Q1. Questions were based on LinkedList (Level – Easy) rest were asked questions based on Trees but again the level was Easy.
  Add Answer
• Q2. Two Questions based on Arrays
  Add Answer
• Q3. Questions on Sorting (Merge Sort implementation)
  Add Answer
• Q4. Questions on Inheritance, Pointers, Double Pointers.
  Add Answer
• Q5. 4 pillars of OOPS were asked
  Add Answer
• Q6. Encapsulation and its real-time examples
  View Answers (1)
• Q7. Inheritance and its disadvantages
  View Answers (1)
• Q8. What is Runtime polymorphism
  View Answers (1)
• Q9. Pair Sum Problem was asked
  Add Answer
• Q10. A tweak to the pair sum problem: there can be any number of elements that add up to the target
  View Answers (1)
• Q11. Max multiplication of 3 numbers in an array
  View Answers (1)
• Q12. Dutch national flag problem
  View Answers (1)
• Q13. Questions on the pointer, double-pointer, and LinkedList
  Add Answer
• Q14. Problem on stack implementation using linked list
  Add Answer
• Q15. Segregate 0's and 1's in array - Dutch National Flag Algo Again
  View Answers (1)
• Q16. Questions of CS fundamentals (databases, computer networks, operating systems) Average level questions like What are semaphores, Primary key vs Candidate Key, N...read more
  Add Answer
• Q17. Project explanation and a few questions on it.
  Add Answer
• Q18. Mongo which NoSQL database- document-based, other NoSQL databases, virtual dom
  Add Answer
• Q19. Redux, pass values in props, NoSQL vs SQL, nodejs to be used where event loop, async Javascript
  Add Answer

• Q1. Explain the diamond problem in Cpp, and how to solve it.
  View Answers (1)
• Q2. What are the Dynamic-link library (DLL) in Cpp and its use?
  View Answers (1)
• Q3. What are registers in Cpp?
  View Answers (1)
• Q4. Can you make a constructor private in Cpp, if not what error will you get (Compile Time Error or Runtime Error)
  View Answers (1)
• Q5. What are function pointers and the differences between normal function and function pointers?
  View Answers (1)
• Q6. What are the ways to prevent Instantiation of Class?
  View Answers (1)
• Q7. How to check for a loop in linked list?
  View Answers (1)
• Q8. Remove duplicates from Linked List. Both variants.
  View Answers (1)
• Q9. Reverse the linked list in groups of k
  View Answers (1)
• Q10. Asked to print the 2nd smallest element in bst
  Add Answer
• Q11. Equal Sum Partition along with print that 2 arrays (DP + matrix printing)
  View Answers (1)
• Q12. Delete Kth node from the end of the linked list in single iteration
  View Answers (1)
• Q13. Merge two sorted linked lists
  View Answers (1)
• Q14. Check if a linked list is circular or not
  View Answers (1)
• Q15. What is the difference between Binary Tree and Binary Search Tree
  View Answers (1)
• Q16. Separate negative and positive numbers in a linked list.
  View Answers (1)
• Q17. Calculating the depth of a tree
  View Answers (1)

• Q1. 1. Introduction and my family background.
  Add Answer
• Q2. 2. What are your Strengths and Weaknesses?
  View Answers (3)
• Q3. 3. Tell us about your hobbies
  View Answers (1)
• Q4. 4. What are you passionate about?
  View Answers (1)
• Q5. 5. The difference between hard work and smart work with an example.
  View Answers (1)
• Q6. 6. The problems faced by a person working in a team during my online internship and how would can you solve those problems if you were the team leader.
  View Answers (1)
• Q7. 7. Tell me in brief about yourself and why should we select you?
  View Answers (1)
• Q8. 8. If not engineering then what?
  View Answers (1)
• Q9. 9. Asked about past Internships if any and projects on my resume.
  Add Answer

• Q1. I was shortlisted for .Net Developer role. 1) Tell me about yourself. Your current company work and role. 2) What are OOPS concept? 3) Difference between interf...read more
  Add Answer

• Q1. 1) Tell me about yourself. Your current company work and role. 2) Tell me about your family background - Place, parents occupation, brother/sister role, etc. 3)...read more
  Add Answer

• Q1. What are your salary expectations?
  Add Answer
• Q2. What is your family background?
  Add Answer
• Q3. Share details of your previous job.
  Add Answer
• Q4. Why are you looking for a change?
  Add Answer
• Q5. Tell me about yourself.
  Add Answer