PhonePe Interview Questions, Process, and Tips

They call it a Machine coding round where in a call they will provide you with the problem statement and then give you 90 mins to create an LLD patterns-based working solution in any language you are comfortable with.

2 Coding questions based on graphs and arrays. It was medium to hard leetcode and you need to solve both to proceed to the next round.

Q1. Improve revenue for Swiggy by 25%
Ans. 
To improve revenue for Swiggy by 25%, focus on increasing customer retention, expanding to new markets, optimizing pricing strategies, and enhancing the user experience.
• Increase customer retention through loyalty programs and personalized offers

• Expand to new markets or introduce new services to attract more customers

• Optimize pricing strategies by offering value bundles or discounts

• Enhance user experience through improv
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Q1. Create an insurance product for Phonepe
Ans. 
Phonepe Insurance: Protect your phone against theft, damage, and malfunctions with our comprehensive insurance plan.
• Coverage for theft, accidental damage, and mechanical/electrical breakdowns

• Option for extended warranty coverage

• 24/7 customer support for claims processing

• Affordable premiums based on phone model and value
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Q1. How to check suspecious activity in business setup
Ans. 
To check suspicious activity in a business setup, monitor financial transactions, conduct background checks, and implement security measures.
• Monitor financial transactions for any unusual patterns or discrepancies

• Conduct background checks on employees, vendors, and clients to identify any red flags

• Implement security measures such as surveillance cameras, access controls, and cybersecurity protocols

• Train employees on ho...read more
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Q2. Field visit, document check thoughness
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Q1. Write a Java Program to reverse a string
Ans. 
Java program to reverse a string
• Create a char array from the input string

• Use two pointers to swap characters at opposite ends

• Continue swapping until the pointers meet in the middle
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Q2. Write a program to find duplicate in given string and print the count of characters
Ans. 
Program to find duplicates in a given string and print the count of characters
• Iterate through each character in the string and store the count of each character in a hashmap

• Print the characters with count greater than 1 to find duplicates

• Handle both uppercase and lowercase characters separately if needed
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Q1. API test cases, API workflow
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Q2. Test cases for mobile recharge
Ans. 
Test cases for mobile recharge feature
• Verify user can successfully recharge their mobile with valid amount

• Verify user receives confirmation message after successful recharge

• Verify user cannot recharge with invalid amount

• Verify user cannot recharge with insufficient balance

• Verify user cannot recharge if network connection is lost
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Q1. Explain projects done in details
Ans. 
I have worked on various projects involving data analysis, predictive modeling, and decision making.
• Developed predictive models using machine learning algorithms

• Analyzed large datasets to identify trends and patterns

• Utilized statistical techniques to make data-driven decisions

• Collaborated with cross-functional teams to implement solutions

• Presented findings and recommendations to stakeholders
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Q2. A guesstimate of no of flights on Bengaluru airport
Ans. 
The number of flights at Bengaluru airport can vary depending on the day and time, but on average, there are around 400-500 flights per day.
• Consider the average number of flights per day at Bengaluru airport

• Take into account the peak hours and off-peak hours for flight operations

• Factor in the types of flights - domestic, international, cargo, etc.

• Look at historical data or industry reports for more accurate estimates
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Leetcode medium to hard level

Q1. Dfs bfs in a graph
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