Cashfree Payments SDE-2 Interview Questions and Answers

Create separate modules and communicate between them

Q1. Basic android questions and assignment-related questions
Add your answer
Q2. MVVM, Room DB, Coroutines
Add your answer

Q1. Advanced android questions
Add your answer
Q2. Viewmodel Working, Work Manager, Versioning, Storage, Networking
Add your answer

Q1. Managerial questions
Add your answer

Q1. HR interview questions
Add your answer
Q2. General HR questions
Add your answer

Round duration - 60 Minutes
Round difficulty - Medium

Normal intro followed by 1 DSA question

Q1. 
Alien Dictionary Problem Statement
Ninja is mastering an unusual language called the Alien Language. Although it uses the same alphabets as English, the sequence of these alphabets is different. This sequ...read more
Ans. 
The task is to check whether the given words are sorted lexicographically in an alien language.
• Read the number of test cases

• For each test case, read the number of words, the words themselves, and the order string

• Check if the words are sorted lexicographically based on the given order string

• Print 'YES' if the words are sorted, else print 'NO'
Answered by AI
Add your answer

Round duration - 60 Minutes
Round difficulty - Easy

This round was based on checking the knowledge on component breaking of any web page and data flow

Q1. Can you discuss the components breakdown of the Play Store home page?
Ans. 
The play store home page consists of various components that provide a user-friendly interface for browsing and discovering apps.
• Header section displaying the app logo, search bar, and navigation options

• Featured apps section showcasing popular or recommended apps

• Categories section for browsing apps based on different genres

• Top charts section displaying the most downloaded or highest-rated apps

• New releases section highl...read more
Answered by AI
Add your answer

Round duration - 60 minutes
Round difficulty - Easy

This round was focused on how the developer is going to contribute to designing the better user experience

Q1. Can you design the wireframe of a ledger management user interface?
Ans. 
Design a wireframe for a ledger management user interface.
• Include a navigation bar for easy access to different sections of the ledger

• Design a table layout to display the ledger entries with columns for date, description, debit, credit, and balance

• Add filters and search functionality to easily find specific entries

• Include options to add, edit, and delete ledger entries

• Consider adding visual indicators for different typ...read more
Answered by AI
Add your answer

Dsa - medium leetcode will suffice

Dosa - medium leetcode will suffice

Q1. Db design questions - Swiggy like system design?
Add your answer
Q2. Past experience on projects
Add your answer
Q3. Answered suitably about past projects/ GitHub projects
Add your answer

Q1. Test cases on search option
Ans. 
Test cases for search option functionality
• Verify search results are displayed correctly

• Test search with different input types (text, numbers, special characters)

• Check search functionality with empty input

• Test search with long input strings

• Verify search results are sorted correctly
Answered by AI
Add your answer
Q2. Coding on string and patterns and Appium framework
Add your answer

Q1. Find the missing number in an array, , given the array conatins numbers form 1 to n and one number is missing
Ans. 
Find the missing number in an array containing numbers from 1 to n.
• Iterate through the array and calculate the sum of all numbers from 1 to n.

• Calculate the sum of all numbers in the given array.

• Subtract the sum of array from the sum of all numbers to find the missing number.
Answered by AI
Add your answer
Q2. And question on resume
Add your answer

Data structure and algo questions from leetcode

Machine coding assignment

Q1. Design Content Delivery Network
Ans. 
Designing a Content Delivery Network (CDN) for efficient content distribution.
• Identify target audience and content types

• Select appropriate CDN providers based on needs (e.g. Akamai, Cloudflare)

• Implement caching strategies for static and dynamic content

• Optimize network routing for faster delivery

• Monitor performance and adjust as needed
Answered by AI
Add your answer
Q2. Design notification service
Ans. 
Design a notification service for sending alerts to users.
• Identify types of notifications (email, SMS, push notifications)

• Implement a notification queue to handle high volume of notifications

• Allow users to customize notification preferences

• Include monitoring and logging for tracking delivery status

• Consider scalability and reliability of the service
Answered by AI
Add your answer

Regex generator- used dp

Q1. Merge two sorted arrays
Ans. 
Merging two sorted arrays into a single sorted array
• Create a new array to store the merged result

• Iterate through both arrays simultaneously, comparing elements and adding the smaller one to the result array

• Handle cases where one array is longer than the other by appending the remaining elements
Answered by AI
Add your answer
Q2. Put patch and post in api testing
Ans. 
Patch and post are HTTP methods used in API testing to update and create resources, respectively.
• PATCH method is used to update an existing resource in the API

• POST method is used to create a new resource in the API

• Both methods are commonly used in RESTful APIs for CRUD operations

• Example: PATCH /api/users/123 to update user with ID 123

• Example: POST /api/users to create a new user
Answered by AI
Add your answer
Q3. Explain your automation framework
Ans. 
My automation framework is a data-driven framework using Selenium WebDriver and TestNG for test execution and reporting.
• Uses Selenium WebDriver for interacting with web elements

• Utilizes TestNG for test execution and reporting

• Follows a data-driven approach for test data management
Answered by AI
Add your answer