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Navi Technologies Software Developer Interview Questions and Answers for Freshers
Navi Technologies Software Developer Interview Experiences for Freshers
2 interviews found
Anonymous
Selected
I applied via Campus Placement and was interviewed in Nov 2023. There were 4 interview rounds.
Mcqs based on cs fundamentals and 2_3 coding questions
(2 Questions)
- Q1. 2-3 DSA questions to be written on paper in the interview itself
- Q2. Merge 2 sorted Linked list into 1
- Ans.
Merge two sorted linked lists into one.
Create a new linked list to store the merged list.
Compare the values of the nodes from both lists and add the smaller value to the new list.
Move the pointer of the list with the smaller value to the next node.
Repeat the comparison and addition until one of the lists is empty.
Add the remaining nodes from the non-empty list to the new list.
Return the new merged list.
(1 Question)
- Q1. A full cv analysis interview round discussion on all the projects and team work experience
Interview Preparation Tips
Skills evaluated in this interview
I applied via Approached by Company and was interviewed in Sep 2022. There were 2 interview rounds.
Find number of group of 1s in a 2D array of Os and 1s, Second question is to design a data structure which can perform crud operation.
Design a Ride sharing app, lld question, in java
Interview Preparation Tips
Top trending discussions
Interview questions from similar companies
Pranav Bhat Thirthahalli
Interview Questionnaire
14 Questions
- Q1. What is race condition and how can it be eliminated
- Q2. What is JCube?
- Ans.
JCube is a Java library for creating and manipulating Rubik's Cube puzzles.
JCube provides classes for representing Rubik's Cube puzzles and algorithms for solving them.
It supports various cube sizes and can generate random scrambles.
JCube can be used in Java applications or as a standalone command-line tool.
It is open source and available on GitHub.
- Q3. What is regression testing?
- Q4. Discussion on different sorting techniques
- Q5. Discussion on SQL and SQL optimisaion
- Q6. Software engineering principles
- Ans.
Software engineering principles are the best practices and guidelines for developing high-quality software.
Software should be designed with modularity and scalability in mind.
Code should be well-documented and easy to read.
Testing and debugging should be an integral part of the development process.
Version control should be used to manage code changes.
Security and privacy should be considered throughout the development ...
- Q7. Java and OOP's question
- Q8. Define Singleton class
- Q9. Explain Testing principles and Design principles
- Ans.
Testing principles ensure software quality, while design principles guide software development.
Testing principles include unit testing, integration testing, and acceptance testing.
Design principles include SOLID, DRY, and KISS.
Testing principles ensure that software meets requirements and is free of defects.
Design principles guide software development to be modular, maintainable, and scalable.
- Q10. Types of machine learning and methods and examples, they may give you a situation and ask you which technique is good and why
- Q11. Why choose you for VISA?
- Ans.
I have the necessary skills, experience, and passion to contribute to VISA's success.
I have a strong background in software development and have worked on projects similar to those at VISA.
I am a quick learner and can adapt to new technologies and programming languages easily.
I am passionate about creating high-quality software that meets the needs of users and exceeds their expectations.
I am a team player and can work...
- Q12. Which profile is good for you?
- Ans.
A profile that challenges me to learn and grow while allowing me to contribute to a team.
A position that encourages continuous learning and development
A role that allows me to collaborate with a team and contribute to projects
A company culture that aligns with my values and work ethic
- Q13. About the work culture at VISA Inc
- Q14. If u already have a placement, why this company
Interview Preparation Tips
Experience: Online Test on mettl.com
- 2 coding questions ( 15*2 = 30 marks ) - Moderate level
- 10 MCQs on Programming and Java ( 1*10 = 10)
- 6 MCQs on Machine Learning and Hadoop ( 1*6 = 6 )
- 6 MCQs on Computer Networks ( 1*6 = 6 )
- 6 MCQs on Computer Infrastructure and Architecture ( 1*6 = 6)
- 6 MCQs on Application security and Cryptography ( 1*6 = 6)
15 shortlisted from here including 8 B.Techs and 7 M.Techs for F2F interviews, which were taken by VISA employees from their US and Singapore offices( since they don't have any office at India ).
Round: Technical Interview
Experience: They may give you a situation and ask you to explain which Software engineering principles will you use. They ask you how will you explain the concept of stacks and queues to a 7 year old, or to a granny, so as to encourage programming(like seriously ? )
General Tips: Nothing as such, since this was my second on-campus placement, I had good experience of interviews.
Keep your fundamentals in all computer science subjects open. Unlike other companies they don't focus much on coding alone. The only other company which also looks at perfection in all computer science aspects is Xerox Research Center India.
Challenging and Equally rewarding, but seriously a unique experience with no much tension
Skills:
College Name: NIT Surathkal
Skills evaluated in this interview
Interview Questionnaire
1 Question
- Q1. Tell me about your project ( written in language)?
- Ans.
Developed a web application using Python and Django framework for managing inventory and sales.
Used Python programming language for backend development
Implemented Django framework for building web application
Designed database schema for inventory and sales data
Integrated frontend using HTML, CSS, and JavaScript
Implemented user authentication and authorization features
Interview Preparation Tips
Experience: They asked 3 question on data structures .
1.Merging linekd list
2 and 3 BST related
Duration: 1 hour
Total Questions: 3
Round: Technical Interview
Experience: Interviewer asked me to explain projects which I had mentioned in Resume. Then He asked me to implement a problem on basis of my project.
It was telephonic round.
CGPA and my project mattered.
College Name: IIT Roorkee
Arpan Paul
I applied via Campus Placement and was interviewed in Sep 2016. There were 4 interview rounds.
Interview Questionnaire
7 Questions
- Q1. Tell me about yourself
- Q2. Explain your resume
- Ans.
My resume highlights my experience in software development and showcases my skills in various programming languages and technologies.
Worked on multiple projects using Java, Python, and C++
Developed web applications using HTML, CSS, and JavaScript
Experience with databases such as MySQL and MongoDB
Familiarity with Agile methodology and version control systems like Git
Participated in hackathons and coding competitions
- Q3. Questions on projects mentioned
- Q4. Why do you want to go for VISA?
- Q5. Code a basic binary tree
- Q6. Code a basic linked list
- Ans.
Code a basic linked list
Create a Node class with data and next pointer
Create a LinkedList class with head pointer
Implement methods to add, delete, and search nodes in the linked list
- Q7. Code a circular linked list
- Ans.
A circular linked list is a data structure where the last node points back to the first node, forming a loop.
Create a Node class with data and next pointer
Initialize the head node and set its next pointer to itself
To add a node, create a new node and set its next pointer to the head node's next pointer, then update the head node's next pointer to the new node
To traverse the circular linked list, start from the head nod...
Interview Preparation Tips
Experience: It was a programming test hosted on hackerrank. A total of 3 questions. I could solve only one of them. That too only a few test cases. Still got shortlisted for the next round. :)
Tips: Do practice a few challenges on programming platforms. Brush up your programming knowledge.
Total Questions: 3
Round: Technical Interview
Experience: It was an HR cum Technical round for me as I came from a non CS background. I was able to convince them I am a perfect fit for VISA
Tips: Do prepare your resume well. If you have coding projects, make sure you are clear with whatever you write. They might quiz you hard on them. Strong knowledge on Data structures and Algorithms will give you an edge.
Skills: Presentation Of Facts In Resume, Basic Coding, Communication, Algorithms And Data Structures
Duration: 2
College Name: IIT Madras
Funny Moments: I am a part of the sponsorship team of our technical and VISA was an associate sponsor for the same the previous year. Hence I had specified this fact in my interview. :P
Skills evaluated in this interview
RAJIVTEJA NAGIPOGU
I applied via Campus Placement and was interviewed in Dec 2016. There were 3 interview rounds.
Interview Questionnaire
6 Questions
- Q1. Given an array of numbers find the subset of numbers that give zero sum.
- Ans.
Find subset of numbers in array that sum up to zero.
Use a nested loop to iterate through all possible subsets.
Calculate the sum of each subset and check if it equals zero.
Store the subset if the sum is zero.
Optimize the solution by using a hash set to store the cumulative sum of elements.
- Q2. Explain how bfs works?
- Ans.
BFS (Breadth-First Search) is a graph traversal algorithm that explores all the vertices of a graph in breadth-first order.
BFS starts at a given vertex and explores all its neighbors before moving to the next level of vertices.
It uses a queue data structure to keep track of the vertices to be visited.
BFS guarantees that it visits all the vertices of a connected graph.
It can be used to find the shortest path between two...
- Q3. Discussion on the projects I have done.
- Q4. Question on Linked List.
- Q5. Project Discussion
- Q6. Strengths and weaknesses. Where do you see yourself in 5 years?
- Ans.
In 5 years, I see myself as a highly skilled software developer, leading a team and contributing to innovative projects.
Continuously improving my technical skills through learning and hands-on experience
Taking on leadership roles and mentoring junior developers
Contributing to the development of cutting-edge software solutions
Building strong relationships with clients and stakeholders
Staying updated with the latest indu...
Interview Preparation Tips
Experience: I couldn't find an optimal approach to the first question, so she skipped that question and proceeded to next questions. Remaining questions I have answered satisfactorily.
Round: Technical + HR Interview
Experience: I told that my strength is problem solving and I can always find a way when there is a bottle-neck. Gave some examples of my experiences while doing my assignments.
College Name: IIT Madras
Skills evaluated in this interview
I applied via Campus Placement
Interview Preparation Tips
Experience: Aptitude questions were logical, not tough. For coding, one question, not basic but very logical.
Tips: for coding part try practicing on hackerrank.
Duration: 45+30 minutes
Total Questions: 20+1
Round: Technical Interview
Experience: Interviewer asked all about Linked list and Data structures and algorithm.
Tips: Atleast try learning some basic concepts of linked list, stacks, queues and binary tree.
General Tips: Interview was fair, without any partiality for girls/boys or B.Tech/Dual.
Skill Tips: Be confident and reply frankly. Never let them know that you are nervous.
Skills: Confidence
Duration: 2.5
College Name: IIT Madras
Funny Moments: "Lets go for a walk". HR interviewer will take you for a round to ask you HR questions.
Please prepare for two questions "Tell me something about you" and "Why PayPal, why not any other company".
Interview Questionnaire
9 Questions
- Q1. Explain the concepts of Object Oriented Programming
- Ans.
Object Oriented Programming is a programming paradigm that uses objects to represent real-world entities.
Encapsulation: bundling data and methods that operate on that data within one unit
Inheritance: creating new classes from existing ones, inheriting their properties and methods
Polymorphism: ability of objects to take on multiple forms or behaviors
Abstraction: hiding complex implementation details and providing a simp...
- Q2. Give examples of abstraction and polymorphism
- Ans.
Abstraction is hiding implementation details while polymorphism is using a single interface for multiple types.
Abstraction: Encapsulation, Interfaces, Abstract classes
Polymorphism: Method Overloading, Method Overriding, Interfaces
Abstraction Example: Car - we don't need to know how the engine works to drive it
Polymorphism Example: Animal - different animals have different sounds but they all have a 'makeSound' method
- Q3. A simple design question to design classes
- Ans.
Design classes for a simple library management system with books and users.
Class Book: Attributes include title, author, ISBN, and availability status.
Class User: Attributes include name, user ID, and a list of borrowed books.
Class Library: Methods to add/remove books, register users, and manage book loans.
Example: Book class could have a method to check availability before loaning.
- Q4. What does PayPal do?
- Ans.
PayPal is an online payment system that allows individuals and businesses to transfer funds electronically.
Allows users to make payments and money transfers online
Offers a secure and convenient way to pay for goods and services
Provides a platform for businesses to accept payments online
Offers buyer and seller protection for eligible transactions
Can be used to send and receive money internationally
- Q5. A simple Machine learning question to use thresholding
- Ans.
Thresholding is a technique in machine learning used to classify data based on a defined cutoff value.
Thresholding converts continuous data into discrete classes.
Example: In image processing, pixels above a certain intensity are classified as 'foreground'.
In binary classification, a threshold can determine if an output is 'positive' or 'negative'.
Choosing the right threshold is crucial for model performance; it can aff...
- Q6. Questions about Software Defined Networking and my project in that field
- Q7. Questions about my internships at a startup and USC
- Q8. Am I considering going for masters
- Q9. What makes you want to join PayPal?
- Ans.
I am excited to join PayPal because of its innovative culture and impact on the global economy.
PayPal's commitment to innovation aligns with my passion for staying up-to-date with the latest technologies.
I am impressed by PayPal's global reach and impact on the economy, and I want to be a part of that.
I appreciate PayPal's focus on diversity and inclusion, and I believe in the importance of working for a company with s...
Interview Preparation Tips
Experience: The aptitude test consisted of about 20 questions and had just 20 minutes. The questions were tough and you need speed to solve them. People preparing for CAT and other such exams should be able to perform better. The max score among my batch was 7 or 8.
The coding question was paper based and you had to write C code for a simple question on paper, but design was also taken into account for evaluating the code.
Tips: Both get disheartened if you don't do well in the aptitude.
Duration: 60 minutes
Total Questions: 21
Round: Technical Interview
Experience: The interview was more like a discussion rather than a question answer round. The discussion always went quite off the topic and the interviewer went on to ask other concepts of OS and networks etc.
Tips: Be thorough with the core concepts in subjects like OS and networks
Round: Technical Interview
Experience: This interview was a little more of marketing PayPal to me than an interview. He however slipped in the questions given above. The machine learning question was a little too obvious to apply thresholding and I wasted time trying to get better algorithms when he expected only thresholding.
Tips: Do not tell you are the topper if you are, because I did and he clearly said they don't hire toppers!
Round: HR Interview
Experience: This interview was more to get the truth out of me. I have a very research oriented profile and that was evident from my resume. The interview was to find out whether I would really join their company if offered.
Tips: If you have a high CG and research experience but still want to go for a job, make sure you tune your resume to prune out the research and only market the side which the company looks for, otherwise the company will reject you.
Skills: Computer Science Concepts, OS, Networks, OOP, Machine Learning
College Name: IIT HYDERABAD
Motivation: Just as a backup since I was indeed planning for a masters program. Highest paying package among the companies at that time.
I appeared for an interview before Jan 2021.
(2 Questions)
Round duration - 60 minutes
Round difficulty - Easy
I couldn't find an optimal approach to the first question, so she skipped that question and proceeded to next questions. Remaining questions I have answered satisfactorily.
- Q1.
Subset Sum Equal To K Problem Statement
Given an array/list of positive integers and an integer K, determine if there exists a subset whose sum equals K.
Provide
trueif such a subset exists, otherwise r... - Q2.
BFS Traversal in a Graph
Given an undirected and disconnected graph G(V, E) where V vertices are numbered from 0 to V-1, and E represents edges, your task is to output the BFS traversal starting from the ...
(1 Question)
Round duration - 60 minutes
Round difficulty - Easy
I told that my strength is problem solving and I can always find a way when there is a bottle-neck. Gave some examples of my experiences while doing my assignments.
- Q1.
Replace Spaces in a String
Given a string
STRconsisting of words separated by spaces, your task is to replace all spaces between words with the characters "@40".Input:
The first line contains an integ...
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
I appeared for an interview before Jan 2021.
(3 Questions)
Round duration - 60 minutes
Round difficulty - Easy
Technical Interview Round with questions based on Data structures, OOPS and SQL.
- Q1.
Delete a Node from a Linked List
You are provided with a linked list of integers. Your task is to implement a function that deletes a node located at a specified position 'POS'.
Input:
The first line co... - Q2. Write an SQL query to find the nth highest salary.
- Q3. Can you explain the concepts of Object-Oriented Programming (OOP)?
- Ans.
OOP is a programming paradigm based on the concept of objects, which can contain data in the form of fields and code in the form of procedures.
OOP focuses on creating objects that interact with each other to solve problems.
Key concepts include encapsulation, inheritance, and polymorphism.
Encapsulation involves bundling data and methods that operate on the data into a single unit.
Inheritance allows classes to inherit at...
(4 Questions)
Round duration - 60 minutes
Round difficulty - Easy
Was asked me about my favorite technologies, What i liked about Facebook. And asked me to design a cinema ticket reservation web site like the one satyam has.
- Q1.
Kth Largest Element Problem
Given an array containing
Ndistinct positive integers and a numberK, determine the Kth largest element in the array.Example:
Input:
N = 6, K = 3, array = [2, 1, 5, 6, 3, ...
- Ans.
Find the Kth largest element in an array of distinct positive integers.
Sort the array in non-increasing order and return the Kth element.
Handle multiple test cases efficiently.
Ensure all elements in the array are distinct.
- Q2. What are virtual functions?
- Ans.
Virtual functions are functions in a base class that are overridden in derived classes to achieve runtime polymorphism.
Virtual functions are declared in a base class with the 'virtual' keyword.
They are overridden in derived classes using the 'override' keyword.
They allow a function to be called based on the runtime type of an object.
Virtual functions enable dynamic binding and late binding in C++.
Example: virtual void ...
- Q3. Design a Cinema Ticket Reservation System.
- Ans.
Design a Cinema Ticket Reservation System
Use a database to store movie information, showtimes, and seat availability
Allow users to search for movies, select showtimes, and choose seats
Implement a payment system for ticket purchases
Send confirmation emails with QR codes for ticket validation
- Q4. In how many attempts can you find a defective ball among 10 given balls using a two-pan balance scale?
- Ans.
You can find a defective ball among 10 given balls in 2 attempts using a two-pan balance scale.
Divide the 10 balls into two groups of 5 each.
Weigh the two groups on the balance scale.
If one group is heavier, it contains the defective ball. If they are equal, the defective ball is in the remaining 5 balls.
Divide the group of 5 balls with the defective one into two groups of 2 and 3 balls.
Weigh the two groups on the bala...
(1 Question)
Round duration - 30 minutes
Round difficulty - Easy
HR round that lasted for about 30 minutes. The interviewer asked me questions to know more about me and a puzzle.
- Q1. Can you tell me about your projects and your extracurricular activities?
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
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