FIS 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
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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
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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.
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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
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Q1. Question related to resume and different tech stack
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Q1. Machine coding round
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DSA, trees, linked list

Simple programs asked from java basics

Q1. About Automation process, testing cycle, defects and management
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Q1. About my previous roles and responsibility, how good m to taking the new role and salary discussion
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Q1. Array manipulation question
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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
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Q1. Java program on all data structures
Ans. 
Java program on all data structures
• Start by implementing basic data structures like arrays, linked lists, stacks, queues, trees, and graphs

• Use Java built-in classes like ArrayList, LinkedList, Stack, Queue, TreeMap, and HashMap

• Practice implementing algorithms like sorting, searching, and traversal on these data structures
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Take home assignment based on todo app. In memory application needs to be created.
Could not clear this round

Q1. Not appear as not shortlisted
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