Fiserv Software Development Engineer II Interview Questions and Answers

Medium level questions based on trees and dp

Q1. Design a todo application
Ans. 
A todo application to manage tasks and deadlines
• User can create, edit, delete tasks

• Tasks can have due dates and priorities

• Ability to mark tasks as completed

• Option to categorize tasks into different lists
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Easy leetcode questions

Q1. Design url shortener
Ans. 
Design a URL shortener service
• Use a unique identifier for each long URL to generate a short URL

• Implement a mapping system to redirect short URLs to long URLs

• Consider scalability and performance when designing the system
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Online Coding assessment with 2 questions
1 Leetcode easy
1 Leetcode medium

Implement HashMap and use that to solve a leet code medium problem

Implement your own heap and solve a problem with heap - leet code medium

Q1. System Design - Design Redis
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Q1. Past projects, Amazon leadership questions
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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
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Q2. Puzzle
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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
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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
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Q1. What are your salary expectations in CTC and variables?
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Q2. Will you relocate to the location required?
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Asked to write a bank application - which includes adding,removing,transferring of money