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I applied via Approached by Company and was interviewed in Sep 2024. There was 1 interview round.
Maintaining security in Microservices involves implementing authentication, authorization, encryption, and monitoring.
Implement authentication and authorization mechanisms to control access to microservices.
Use encryption to secure communication between microservices.
Implement monitoring and logging to detect and respond to security incidents.
Regularly update dependencies and patches to address security vulnerabilities...
Kafka is a distributed streaming platform while RabbitMQ is a message broker.
Kafka is designed for high-throughput, fault-tolerant, real-time data streaming.
RabbitMQ is a traditional message broker that follows the AMQP protocol.
Kafka uses a publish-subscribe model while RabbitMQ uses a message queuing model.
Kafka is horizontally scalable and provides strong durability guarantees.
RabbitMQ supports multiple messaging pr...
CQRS pattern can be used in scenarios where read and write operations need to be separated for better scalability and performance.
CQRS can be used in applications with complex domain models that require different models for reading and writing data.
It can be beneficial in scenarios where read operations heavily outnumber write operations.
CQRS is useful when there is a need to optimize read and write operations independ...
Implementing eventual consistency in a relational DB involves careful design and use of techniques like conflict resolution and versioning.
Use timestamp-based conflict resolution to handle conflicting updates.
Implement versioning to track changes and resolve conflicts.
Consider using distributed transactions or distributed consensus algorithms like Paxos or Raft.
Use compensating transactions to rollback changes in case ...
I have led multiple software projects in various industries, focusing on team collaboration and delivering high-quality products.
Led cross-functional teams to develop a new mobile application for a retail company
Managed a project to upgrade a legacy system for a financial institution
Implemented agile methodologies to improve project efficiency and communication
Collaborated with stakeholders to define project requiremen
I have the necessary skills, experience, and qualifications to meet the requirements outlined in the job description.
I have a strong background in software engineering with X years of experience in leading teams and delivering successful projects.
I possess the technical skills and knowledge required for the role, including proficiency in programming languages, software development methodologies, and project management.
...
I applied via Recruitment Consulltant and was interviewed in Aug 2022. There were 5 interview rounds.
Top trending discussions
Autocomplete in IDEs helps developers write code faster by suggesting code snippets and completing code as they type.
Autocomplete should suggest code snippets based on the context of the code being written
Autocomplete should prioritize suggestions based on frequency of use
Autocomplete should also suggest variable and function names
Autocomplete should be customizable to allow for user-defined snippets and suggestions
Exa...
My weakness is public speaking.
I tend to get nervous when speaking in front of large groups.
I am working on improving my public speaking skills by practicing and seeking feedback.
I have taken courses and attended workshops to help me overcome my fear of public speaking.
Comparing 2 basketball game scenarios with different number of trials and baskets required to win
Calculate the probability of winning in each game scenario using binomial distribution formula
Compare the probabilities to determine which game scenario is preferable
In game1, the probability of winning is p. In game2, the probability of winning is the sum of probabilities of making 2 or 3 baskets
If p is high, game1 is pref...
I applied via Campus Placement and was interviewed in Dec 2016. There were 5 interview rounds.
Implement Binary Search Tree using given array of strings.
Sort the array in ascending order
Find the middle element and make it the root of the tree
Recursively create left and right subtrees using the left and right halves of the array
Repeat until all elements are added to the tree
Print the given Binary search tree in ascending order
Traverse the left subtree recursively
Print the root node
Traverse the right subtree recursively
Find buy and sell points for maximum profit in an array of stock prices in O(n)
Iterate through the array and keep track of the minimum price seen so far
Calculate the profit at each index by subtracting the minimum price from the current price
Update the maximum profit and buy/sell points accordingly
Return the buy and sell points for maximum profit
Chennai faces problems related to water scarcity, traffic congestion, and pollution.
Water scarcity due to inadequate rainfall and poor management of water resources.
Traffic congestion due to the increasing number of vehicles and poor road infrastructure.
Pollution caused by industries, vehicular emissions, and improper waste disposal.
Need more context on the question to provide an answer.
Please provide more information on the problem to be solved.
Without context, it is difficult to provide a solution.
Can you please provide more details on the problem statement?
Visa is a global payments technology company that connects consumers, businesses, banks and governments in more than 200 countries and territories.
Visa operates the world's largest retail electronic payments network.
VisaNet, the company's global processing system, handles more than 65,000 transaction messages a second.
Visa is constantly innovating to improve payment security and convenience, with initiatives such as Vi...
I was interviewed before Apr 2021.
Round duration - 45 minutes
Round difficulty - Easy
This was a technical interview round.
AJAX allows web pages to be updated asynchronously by exchanging data with a web server behind the scenes.
AJAX stands for Asynchronous JavaScript and XML.
It allows web pages to update content without reloading the entire page.
AJAX uses XMLHttpRequest object to send and receive data from a server.
Commonly used in web applications to provide a more responsive user experience.
SOAP is a protocol, while REST is an architectural style for web services.
SOAP is a protocol that uses XML for message format and relies on a request-response model.
REST is an architectural style that uses standard HTTP methods like GET, POST, PUT, DELETE.
SOAP is more rigid and requires more bandwidth, while REST is lightweight and flexible.
SOAP has built-in security features like WS-Security, while REST relies on exte...
GET is used to request data from a server, while POST is used to submit data to a server.
GET requests data from a specified resource, while POST submits data to be processed to a specified resource.
GET requests are cached by browsers, while POST requests are not.
GET requests can be bookmarked and shared, while POST requests cannot.
GET requests have length restrictions, while POST requests do not.
Example: Using GET to r...
The Observer Pattern is a behavioral design pattern where an object (subject) maintains a list of dependents (observers) that are notified of any state changes.
Allows for one-to-many dependency between objects
When the subject's state changes, all observers are automatically notified and updated
Commonly used in event handling systems and GUI frameworks
Round duration - 40 minutes
Round difficulty - Easy
This was the second technical interview round.
A singleton class is a class that can only have one instance created throughout the entire application.
Singleton classes have a private constructor to prevent multiple instances from being created.
They typically provide a static method to access the single instance.
Commonly used for logging, database connections, and configuration settings.
Immutability in Java refers to the property of objects whose state cannot be changed once they are created.
Immutability ensures that once an object is created, its state cannot be modified.
Immutable objects are thread-safe and can be shared without the risk of data corruption.
String class in Java is an example of an immutable class.
To create an immutable class, make the class final, all fields private, and provide only
Dependency injection is a design pattern where components are given their dependencies rather than creating them internally.
Allows for easier testing by providing mock dependencies
Promotes loose coupling between components
Improves code reusability and maintainability
Examples: Constructor injection, Setter injection, Interface injection
To create an immutable class in Java, make the class final, make all fields private and final, provide only getter methods, and do not provide any setter methods.
Make the class final to prevent inheritance.
Make all fields private and final to prevent modification.
Provide only getter methods to access the fields.
Do not provide any setter methods to modify the fields.
Round duration - 30 minutes
Round difficulty - Easy
HR round with typical behavioral problems.
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.
I was interviewed before Apr 2021.
Round duration - 60 minutes
Round difficulty - Easy
Technical Interview round with questions on DSA.
You are given an array of integers PRICES
where PRICES[i]
represents the price of a stock on the i-th day, and an integer K
representing the number of transactions you...
Determine maximum profit with at most K transactions by buying and selling stocks on given days.
Iterate through the array of prices while keeping track of the maximum profit achievable with at most K transactions.
Use dynamic programming to store the maximum profit at each day and transaction count.
Consider buying and selling stocks at each day to calculate the maximum profit.
Return the maximum profit achievable with at
Given a Binary Tree consisting of 'N' nodes with integer values, your task is to determine the in-order traversal of the Binary Tree.
The first line contains ...
The task is to determine the in-order traversal of a Binary Tree given in level order.
Implement a function to perform in-order traversal of a Binary Tree
Use recursion to traverse left subtree, visit root, and then traverse right subtree
Handle null nodes denoted by -1 in the input
Round duration - 30 minutes
Round difficulty - Easy
HR round with typical behavioral problems.
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.
I applied via Campus Placement and was interviewed in Dec 2016. There were 5 interview rounds.
Paypal is a leading online payment platform with a strong reputation and global presence.
Paypal is a well-established and trusted online payment platform used by millions of users worldwide.
It offers secure and convenient payment options for both individuals and businesses.
Paypal has a strong focus on innovation and technology, making it an exciting place to work for software engineers.
Working at Paypal provides opport...
Paypal is a digital payment platform that allows individuals and businesses to make online transactions.
Paypal provides a secure way to send and receive money online.
It allows users to link their bank accounts, credit cards, or debit cards to their Paypal account.
Users can make payments to merchants or individuals using their Paypal balance or linked payment methods.
Paypal offers buyer and seller protection, dispute re...
In 5 years, I see myself as a senior software engineer leading a team of developers on innovative projects.
Continuing to enhance my technical skills and knowledge through ongoing learning and certifications
Taking on more leadership responsibilities and mentoring junior team members
Contributing to the development of cutting-edge software solutions
Building strong relationships with colleagues and stakeholders to drive pr
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