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Zaloni Associate Software Engineer Interview Questions and Answers
Zaloni Associate Software Engineer Interview Experiences
2 interviews found
Anonymous
Selected
I applied via Campus Placement and was interviewed before May 2022. There were 6 interview rounds.
First round was aptitude + core cs subjects proficiency test in a CBT MCQ format. Since it was during covid everything was online. Students from many campuses were part of this test.
There was a time limited coding test to test DSA skills. I forgot the platform used, but if the questions were quiet easy. Two questions, 45 mins. One was string based but I forgot the exact question.
There was a gd, where you are placed in a team and they gave us a topic to just talk through among ourselves. Again not remembering well but they were not concerned about the group to reach a conclusion, just wanted to see us interact and would ask us questions in between.
(4 Questions)
- Q1. This was again a technical round, but this time taken by engineers of their teams. Based on your interest and
- Q2. I remember being asked about VLAN, because I said I said I was interested in SDN.
- Q3. Asked basic idea about my project
- Q4. Asked quiet a bit of questions from Java and linux, mostly was testing how much I already know. Didn't ask me to whiteboard a problem.
(4 Questions)
- Q1. This was the final round, they were open to my questions. Generally talked about the company, and was mostly a vibecheck to see if i would be a culture fit.
- Q2. Tell me about yourself.
- Q3. Why do you want to Join our company.
- Q4. What are you expecting to get out of us.
Interview Preparation Tips
I applied via Campus Placement and was interviewed before Jul 2021. There were 3 interview rounds.
The first round was for Technical + Cognitive which went for 1.5 hours.
(1 Question)
- Q1. It was an online round that went for 30 mins with questions from specific domain
(3 Questions)
- Q1. Where do you see yourself in the next 5 years ?
- Q2. What are your hobbies?
- Q3. If you get an offer from another company, will you join ?
Interview Preparation Tips
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Interview Preparation Tips
Experience: Round 1: Online objective test.
There were questions from Operating Systems, C, Algorithms, Data Structures.
Round 2: Online and subjective (choose language C++ or JAVA). This round had 15 questions.
Data structures, C++ questions, Fibonacci optimisation, algorithms (DFS/BFS).
Round: Technical Interview
Experience: In the first round of interview they asked me questions about :1) My project (asked no. of classes and mention their responsibilities).
2) ACID properties of database and indexing in a database.
There were also questions related to OOPS concepts including polymorphism, composition, aggregation, inheritance, Abstract classes, interface; difference between usage of abstract class and interface, can abstract class be instantiated, how to access child class methods having reference of base class.
There was another question on run time and compile time binding and under which category do we classify method overloading and also questions on code for deleting the duplicate nodes in a sorted link list and printing root to leaf paths in a binary search tree.
Round: Technical Interview
Experience: This was the second round of the interview. They asked me the following questions,There is a tree (not binary) and all non-leaf nodes are RED in colour. Some leaf nodes are white in colour. If a node has all white coloured children then its colour can be changed into white. So we have to convert maximum number of nodes into white colour – write program for the same.
Code for checking whether a given binary tree balanced or not.
What are virtual functions, what is their role?
Questions related to virtual functions.
You are given the details of each transaction of each item i.e. item_name, quantity, price. So at the end of the day, you want top 50 items that have been sold. There are two cases:
In the first case you have fixed number of items.
In the second case very large number of items – so you need to decide what data structure to be used for this.
Round: Technical Interview
Experience: In the third round of the interview they asked questions like :
1) Types of tree traversals (breadth first and depth first (pre, post, in)
2) Determining width of binary tree i.e. using breadth wise traversal
3) Why files are preferred over databases?
College Name: IIT KANPUR
Interview Questionnaire
11 Questions
- Q1. Asked about my project? Also asked me questions about ACID properties of database and indexing in a database
- Q2. There were also questions related to OOPS concepts including polymorphism, composition, aggregation, inheritance, Abstract classes, interface; difference between usage of abstract class and interface, can ...
- Q3. There was another question on run time and compile time binding and under which category do we classify method overloading
- Q4. Code for deleting the duplicate nodes in a sorted link list?
- Ans.
Code to delete duplicate nodes in a sorted linked list
Traverse the linked list and compare adjacent nodes
If nodes are equal, delete one of them
Repeat until all duplicates are removed
- Q5. Printing root to leaf paths in a binary search tree
- Ans.
Printing all root to leaf paths in a binary search tree
Traverse the tree recursively and keep track of the current path
When a leaf node is reached, add the current path to the list of paths
Print all the paths in the list
Use an array of strings to store the paths
- Q6. Given an Array of Integers, Find two elements in the array whose sum is closest to zero?
- Ans.
Find two integers in an array whose sum is closest to zero.
Sort the array in ascending order.
Initialize two pointers at the beginning and end of the array.
Move the pointers towards each other until the sum is closest to zero.
- Q7. What are virtual functions, what is their role? Questions related to virtual functions?
- Q8. You are given the details of each transaction of each item i.e. item_name, quantity, price. So at the end of the day, you want top 50 items that have been sold. There are two cases: - In the first case you...
- Q9. How do you quickly count the number of set bits in a 32-bit integer in linear time (with respect to the number of set bits)?
- Ans.
Count set bits in a 32-bit integer in linear time
Use bit manipulation to count set bits
Divide the integer into 16-bit chunks and count set bits in each chunk
Use lookup tables to count set bits in each 8-bit chunk
Use parallel processing to count set bits in multiple integers simultaneously
- Q10. Determining width of binary tree i.e. using breadth wise traversal
- Ans.
To determine the width of a binary tree using breadth-wise traversal, we need to count the number of nodes at each level.
Perform a breadth-first traversal of the binary tree
Count the number of nodes at each level
Keep track of the maximum number of nodes seen at any level
Return the maximum number of nodes seen
- Q11. Why files are preferred over databases?
- Ans.
Files are preferred over databases for certain types of data and applications.
Files are faster for small amounts of data.
Files are easier to manage and backup.
Files are more flexible for certain types of data, such as images or videos.
Databases are better for complex data relationships and queries.
Databases are more secure and scalable for large amounts of data.
The choice between files and databases depends on the spec
Interview Preparation Tips
Experience: There were questions from Operating Systems, C, Algorithms, Data Structures
Round: Test
Experience: This round had 15 questions.Data structures, C++ questions, algorithms (DFS/BFS)
Skills: java, OOP, Algorithm
College Name: IIT KANPUR
Skills evaluated in this interview
I applied via Referral
Interview Questionnaire
6 Questions
- Q1. Your contribution in your projects?
- Ans.
I have contributed to my projects by developing and implementing new features, fixing bugs, and improving overall performance.
Developed and implemented new features
Fixed bugs and issues
Improved overall performance
Collaborated with team members to ensure project success
Provided technical support and troubleshooting assistance
- Q2. How you resolve problems within team?
- Ans.
I encourage open communication and collaboration to identify and solve problems within the team.
Encourage open communication and active listening
Identify the root cause of the problem
Brainstorm solutions as a team
Assign tasks and follow up on progress
Evaluate the effectiveness of the solution
Provide constructive feedback
Celebrate successes and learn from failures
- Q3. What are your expectations from the company?
- Ans.
I expect a company that values innovation, growth opportunities, and work-life balance.
Opportunities for professional development and growth
A culture that encourages innovation and creativity
A healthy work-life balance
Clear communication and transparency
Competitive compensation and benefits
Collaborative and supportive team environment
- Q4. Do you have any plans of higher studies?
- Ans.
Yes, I am planning to pursue a Master's degree in Computer Science.
I am interested in specializing in Artificial Intelligence.
I have already researched and shortlisted a few universities.
I plan to apply for the next academic year.
I believe higher studies will help me gain a deeper understanding of the field and advance my career.
- Q5. How flexible you are in professional life?
- Ans.
I am very flexible in my professional life and can adapt to changing situations easily.
I am open to learning new technologies and skills
I can work in different environments and with different teams
I am willing to take on new challenges and responsibilities
I can adjust my work schedule to meet project deadlines
I am comfortable with remote work and flexible work arrangements
- Q6. Tell me about your self?
- Ans.
I am a software engineer with experience in developing web applications and a passion for problem-solving.
Experienced in developing web applications using languages such as Java, Python, and JavaScript
Proficient in using frameworks such as Spring, Django, and React
Strong problem-solving skills and ability to work in a team environment
Passionate about learning new technologies and keeping up with industry trends
Interview Preparation Tips
Experience: 55 questions in 60 minutes of which 45 were technical and 10 were aptitude questions and there was no negative marking. The technical questions covered RDBMS, UNIX, C, C++, Java, Operating systems, Data structures and Algorithms. The questions were simple and the basics of each of the mentioned subjects were mainly asked.
Duration: 60 minutes
Total Questions: 55
Round: Test
Experience: Again mainly questions on the subjects covered in round 1 but bit more in deep questions required short but detailed answers.
Tips: Learn to write pretty good Unix Scripts and Know the Basics of Operating System & OOP
Duration: 40 minutes
Total Questions: 10
Round: Technical Interview
Experience: Questions mainly on UNIX & RDBMS. Interviewer will ask you to write UNIX scripts and SQL/JAVA-SQL queries/programs for some use cases.
Tips: Know how JOINS, INTERSECTION, UNION & Aggregation works in SQL.
Round: Technical Interview
Experience: Questions on Programming, Data Structure and algorithms.
You will be asked to write pseudo-program for some of the use cases.
Tips: Choose your programming language cleverly. ;)
Round: Other Interview
Experience: Round 5 is an interview with Technical Manager.
Questions are asked based on the content of your resume like projects, hobbies and traits.
Few puzzle questions are asked which usually can be answered with logical analysis.
Tips: Be prepared for questions on the answer you give for the previous question(s).
Round: HR Interview
Experience: Again question will be asked on the basis of your resume. Questions may also asked on your previous interview experience if you have any.
Tips: Clear your doubts before leaving the room.
General Tips: Be confident, be straight forward, do not try to bluff with answers and try to be creative with answers. Prepare well both technical and aptitude.
Skills: Algorithms And Data Structures, Operating Systems, Unix, SQL, Java Programming, Object-Oriented Programming (OOP), C Programming
College Name: JSS Mahavidyapeetha Sri Jayachamarajendra College Of Engineering, Mysore
Motivation: Work Environment of Informatica.
Selected
I applied via Company Website and was interviewed in Sep 2023. There were 3 interview rounds.
(3 Questions)
- Q1. Resume based question
- Q2. Coding round with logical test
- Q3. Skill test and technical questions.
Technically check on this.
I applied via Referral and was interviewed in Jun 2024. There were 3 interview rounds.
(1 Question)
- Q1. Indepth profile discussion and the tech stack that you know.
(2 Questions)
- Q1. Proper Techno managerial interview.
- Q2. He grilled me a lot on my resume and a bunch of technical questions and one code as well.
(2 Questions)
- Q1. Program to read messages from the stream and then orders the stream by records and print the output.
- Ans.
Program to read and order messages from a stream before printing the output.
Read messages from the stream
Order the stream by records
Print the ordered output
- Q2. It was coderbyte based question and pair programming needs to be done.
Interview Preparation Tips
I was interviewed before Sep 2020.
(3 Questions)
Round duration - 60 minutes
Round difficulty - Medium
4 coding questions on hackerrank.
- Q1.
Dice Throws Problem Statement
You are given
Ddice, each havingFfaces numbered from 1 toF. The task is to determine the number of possible ways to roll all the dice such that the sum of the face-up num... - Ans.
The task is to determine the number of possible ways to roll all the dice such that the sum of the face-up numbers equals the given 'target' sum.
Use dynamic programming to solve the problem efficiently.
Create a 2D array to store the number of ways to achieve each sum with the given number of dice.
Iterate through the dice and faces to calculate the number of ways to reach each sum.
Return the result modulo 10^9 + 7.
Optim...
- Q2.
Stack using Two Queues Problem Statement
Develop a Stack Data Structure to store integer values using two Queues internally.
Your stack implementation should provide these public functions:
Explanation:
... - Ans.
Implement a stack using two queues to store integer values with specified functions.
Use two queues to simulate stack operations efficiently.
Maintain the top element in one of the queues for easy access.
Ensure proper handling of edge cases like empty stack.
Example: Push elements 5, 10, 15; Pop elements; Check top element.
Example: Check if stack is empty; Get stack size.
- Q3.
Maximum Subarray Sum Problem Statement
Given an array 'ARR' of integers with length 'N', the task is to determine the sum of the subarray (including an empty subarray) that yields the maximum sum among al...
- Ans.
Find the maximum sum of a subarray in an array of integers.
Iterate through the array and keep track of the maximum sum subarray ending at each index.
Use Kadane's algorithm to efficiently find the maximum subarray sum.
Consider the case where all elements are negative to handle edge cases.
Example: For input [1, -2, 3, -1, 2], the maximum subarray sum is 4.
Round duration - 60 minutes
Round difficulty - Medium
My 1st technical round began with a small introduction and a discussion on my projects. After that, my complete interview revolved around Object-oriented principles and 1 basic coding question. The interviewer asked all the pillars of Object-oriented along with use cases and where have I implemented them in my projects.
(1 Question)
Round duration - 45 minutes
Round difficulty - Easy
In my 2nd technical round, the interviewer began with the complete discussion of my projects. He asked me everything about them like which technologies I have used, why I have used them, what are the alternatives, what are the real-life applications of these projects. After this, He asked questions on Computer Networks, Operating system, Database Management system and at the end, some of the SQL queries. SQL queries were quite easy, I found one of the queries tricky and harder as compared to other i.e print nth largest salary of the employees. The interviewer also asked me why I was not able to code one of the questions in the coding round. I explained the complete approach of that question and he was quite satisfied. This technical round was of 1 hour long.
- Q1. Print the nth largest salary from a given list of salaries.
- Ans.
Find the nth largest salary from a list of salaries.
Sort the list of salaries in descending order.
Remove duplicates from the sorted list.
Return the salary at index n-1 from the sorted list.
(1 Question)
Round duration - 35 minutes
Round difficulty - Easy
There were two panellists in this round and they began with a small introduction. One of them asked me about my capstone project which was based on object recognition task and deep learning. He just told me to explain deep learning in complete detail and how can it be used on my college campus. Then, He asked me what technologies are being used and how I trained my model as the model was quite heavy and computationally intensive. Then, they asked me how I cope up with my team members in the pandemic situation and how I managed to interact with them.
- Q1. What are the basic applications of deep learning, and how can I implement it in my college?
- Ans.
Deep learning has applications in image and speech recognition, natural language processing, autonomous vehicles, etc.
Image recognition - identifying objects in images, used in self-driving cars, medical imaging, etc.
Speech recognition - converting spoken language into text, used in virtual assistants like Siri, Alexa, etc.
Natural language processing - understanding and generating human language, used in chatbots, lang...
Interview Preparation Tips
Tip 1 : Practice at least 600 questions from leetcode.
Tip 2 : Make sure you participate in every long challenge of CodeChef.
Tip 3 : Focus more on your projects.
Tip 1 : Do not put false things on a resume.
Tip 2 : Have some projects on a resume.
Skills evaluated in this interview
Selected
I applied via Referral and was interviewed before Aug 2023. There were 3 interview rounds.
4 questions, 1 easy, 2 medium, 1 hard.
based on stack, DP and String.
(3 Questions)
- Q1. Based on OOPS 4 pillars.
- Q2. Based on spark and operating system as mentioned in my resume.
- Q3. Mostly on basic topics like DBMS, OOPS, OS, DSA (invert a binary tree, a medium string question).
(2 Questions)
- Q1. Explain the project done in internship.
- Q2. Explain spark architecture and related questions on architecture.
Interview Preparation Tips
Coding test was simple with 3 questions, 1 with SQL and other 2 with dsa questions
(2 Questions)
- Q1. Resume based questions
- Q2. Resume based question
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