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I applied via Job Portal and was interviewed in Aug 2022. There were 4 interview rounds.
One figma file was shared and asked to convert to html infront of senior developer and round took 1hr
I appeared for an interview in Dec 2017.
To find the maximum water pond formed between buildings.
Identify the lowest point between the buildings.
Calculate the area of the pond using the distance between the buildings and the depth of the pond.
Consider any obstacles or uneven ground that may affect the pond's shape.
Use a surveying tool or satellite imagery to get accurate measurements.
Take into account any drainage systems or natural water flow that may affect
Design a dictionary using trie with insert, update and delete operations.
Implement a Trie data structure with nodes containing a character and a boolean flag to indicate end of word
For insert operation, traverse the trie and add nodes for each character in the word
For update operation, delete the existing word and insert the updated word
For delete operation, mark the end of word flag as false and delete the node if it ...
I applied via Campus Placement and was interviewed in Sep 2016. There were 4 interview rounds.
I am a passionate software developer with experience in Java, Python, and web development.
Experienced in Java, Python, and web development technologies
Strong problem-solving skills
Team player with excellent communication skills
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
I want to go for VISA to explore new opportunities and gain international experience.
To gain exposure to different cultures and work environments
To expand my skill set and learn new technologies
To work on challenging projects and contribute to the growth of the company
To build a global network of professionals and enhance my career prospects
A binary tree is a data structure in which each node has at most two children.
Start with a root node
Each node has a left and right child
Nodes can be added or removed
Traversal can be done in-order, pre-order, or post-order
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
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...
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
Race condition is a situation where multiple threads/processes access and manipulate shared data simultaneously.
It can be eliminated by using synchronization techniques like locks, semaphores, and mutexes.
Another way is to use atomic operations that ensure the data is accessed and modified atomically.
Using thread-safe data structures can also prevent race conditions.
Example: Two threads trying to increment a shared var...
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.
Regression testing is the process of testing changes made to a software application to ensure that existing functionality still works.
It is performed after making changes to the software
It ensures that existing functionality is not affected by the changes
It helps to catch any defects or bugs that may have been introduced
It can be automated using testing tools
Examples include retesting after bug fixes, testing after new
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
A Singleton class is a class that can only have one instance at a time.
It restricts the instantiation of a class to a single object.
It provides a global point of access to that instance.
It is often used in situations where a single object is required to coordinate actions across a system.
Example: Database connection manager, Configuration manager, Logger manager.
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.
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...
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
I am interested in exploring new opportunities and challenges that this company can offer.
I am impressed with the company's reputation and growth potential.
I am excited about the projects and technologies this company is working on.
I believe this company can provide me with a better work-life balance and career growth opportunities.
I am looking for a company culture that aligns with my values and goals.
I am open to exp...
Find the odd repeating element from an array of strings
Use a hash table to count the frequency of each element
Iterate through the hash table to find the element with an odd count
Finding an element in a sorted 2D matrix
Start from the top right corner or bottom left corner
Compare the target element with the current element
Move left or down if the target is smaller, else move right or up
Repeat until the target is found or all elements are checked
SQL query to find Nth highest salary from table
Use ORDER BY and LIMIT clauses
Use subquery to get the Nth highest salary
Handle cases where there are less than N distinct salaries
Function to swap '3' and '4' without using if-else
Use XOR operator to swap the values
Convert the input to ASCII code and perform the swap
Use a lookup table to map the values
I am a software developer with experience in Java and Python.
Proficient in Java and Python programming languages
Experience in developing web applications using Spring framework
Familiarity with database management systems like MySQL and MongoDB
PAYTM is a leading digital payment platform in India with a wide range of services.
PAYTM has a user-friendly interface and offers a seamless payment experience.
It provides a variety of services like mobile recharges, bill payments, and online shopping.
PAYTM has a strong focus on security and fraud prevention measures.
It has a large user base and is widely accepted by merchants across India.
PAYTM is constantly innovatin...
Yes, I am open to pursuing further studies in the future.
I believe in continuous learning and staying updated with the latest technologies.
Further studies can help me specialize in a particular field and enhance my skills.
I may consider pursuing a master's degree in computer science or a related field.
However, my immediate focus is on gaining practical experience and contributing to the organization.
PAYTM grew fast due to its innovative approach and early adoption of digital payments.
Early adoption of digital payments in India
Innovative approach with features like mobile recharges, bill payments, and cashback offers
Expansion into e-commerce and financial services
Strategic partnerships with major companies like Uber and Alibaba
I applied via Naukri.com and was interviewed in Jul 2020. There were 4 interview rounds.
I applied via Referral and was interviewed before Oct 2020. There was 1 interview round.
based on 1 interview
Interview experience
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