Verifone Senior Software Engineer 2 Interview Questions and Answers

Q1. I went through 45 minutes java tech round. The main focus was microservices and deployment process. Code review and testing details. Not much of java questions were asked
Add your answer

Q1. Why microservices why not monolithic.
Ans. 
Microservices offer scalability, flexibility, and resilience compared to monolithic architecture.
• Microservices allow for independent development and deployment of services.

• Scalability is easier with microservices as individual components can be scaled independently.

• Microservices promote fault isolation, preventing a single service failure from bringing down the entire system.

• Flexibility is increased as different techno...read more
Answered by AI
Add your answer

Mainly Leet code easy to medium questions

Q1. Design Parking lot with working code.
Ans. 
Design a parking lot system with working code.
• Create classes for ParkingLot, ParkingSpot, Vehicle, etc.

• Implement methods for parking, unparking, checking availability, etc.

• Use data structures like arrays, lists, or maps to manage parking spots.

• Consider different types of vehicles and parking spot sizes.

• Handle edge cases like full parking lot, invalid inputs, etc.
Answered by AI
Add your answer

Q1. Design notification service.
Ans. 
Design a notification service for sending alerts to users.
• Use a scalable messaging system like Kafka or RabbitMQ for handling notifications.

• Implement different types of notifications such as email, SMS, push notifications.

• Allow users to customize their notification preferences and frequency.

• Include features like scheduling notifications and tracking delivery status.

• Ensure security measures are in place to protect user
Answered by AI
Add your answer

Q1. Question related to resume and different tech stack
Add your answer

A test that covers all fundamental topics, including networking, object-oriented programming (OOP), and data structures and algorithms (DSA).

Q1. Write code for quick sort
Add your answer
Q2. Puzzle
Add your answer

Java coding questions, basic Java questions.

Q1. Java basics questions.
Add your answer
Q2. Live coding.
Add your answer

Q1. Discussion on previous experience and projects.
Add your answer
Q2. System design question
Add your answer

Q1. Questions on SQL, Java advanced, personal projects, Java frameworks, UI based questions, Agile methodologies.
Add your answer
Q2. Interview discussion with the whole team.
Add your answer

Q1. Benefits discussion.
Add your answer
Q2. Salary discussion.
Add your answer

Q1. One leetcode easy-medium problem
Add your answer
Q2. Java, springboot and oops question
Add your answer

Q1. Project related questions
Add your answer
Q2. System design questions
Add your answer

Technical sql questions

Oops concept and sql db questions

Q1. Dependency injection
Add your answer

Q1. Explain the react lifecycle functions and how they work
Ans. 
React lifecycle functions are methods that are automatically called at specific points in a component's life cycle.
• Mounting: constructor, render, componentDidMount

• Updating: render, componentDidUpdate

• Unmounting: componentWillUnmount
Answered by AI
Add your answer
Q2. Css box model, difference between padding and margin
Ans. 
Padding is the space inside the border of an element, while margin is the space outside the border.
• Padding is used to create space between the content and the border of an element.

• Margin is used to create space between the border of an element and other elements.

• Padding affects the size of the content area, while margin affects the positioning of the element.

• Example: padding: 10px will create 10 pixels of space inside ...read more
Answered by AI
Add your answer

Q1. What are your salary expectations in CTC and variables?
Add your answer
Q2. Will you relocate to the location required?
Add your answer

Q1. Delete rows from table that are 6 months old from current date
Ans. 
Use SQL query with WHERE clause to delete rows older than 6 months from current date
• Use CURRENT_DATE() function to get current date

• Use DATE_SUB() function to subtract 6 months from current date

• Write a DELETE query with WHERE clause to delete rows older than calculated date
Answered by AI
Add your answer