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RapiPay Software Developer Interview Questions and Answers
RapiPay Software Developer Interview Experiences
5 interviews found
UJJWAL SONI
I applied via Campus Placement and was interviewed in Jun 2024. There were 2 interview rounds.
It was of 3 hours including coding questions as well as computer science fundamentals
(2 Questions)
- Q1. Questions about the project that i made
- Q2. Find the subsets with sum K from array having duplicates
- Ans.
Find subsets with sum K from array with duplicates
Use backtracking to generate all possible subsets
Keep track of the sum of each subset as you generate them
Check if the sum of a subset is equal to K and add it to the result
Skills evaluated in this interview
Tushar Jain
(1 Question)
- Q1. Mostly around resume
(1 Question)
- Q1. Resume walkthrough and a coding question(leetcode easy)
(1 Question)
- Q1. Cultural Fitment round
Anonymous
Mostly focus in leetcode easy, medium questions.
(1 Question)
- Q1. Vertical order traversal of tree.
- Ans.
Vertical order traversal of tree is a method to traverse a binary tree in a vertical order.
Use a map to store the nodes at each vertical level
Perform a level order traversal of the tree and keep track of the horizontal distance of each node from the root
Store nodes at each horizontal distance in the map and then print the nodes in each vertical level
Interview Preparation Tips
Skills evaluated in this interview
They mostly asked leetcode easy, medium level.
(1 Question)
- Q1. Dry run and implement merge sort.
Interview Preparation Tips
RapiPay interview questions for designations
Two general Questions about the DSA.
(2 Questions)
- Q1. How did you get to know about us?
- Q2. Tell me about yourself?
Interview Preparation Tips
Interview questions from similar companies
Mohit Gupta
I appeared for an interview in Dec 2017.
Interview Questionnaire
3 Questions
- Q1. You need to find the maximum water pond formed in bw the building
- Ans.
To find the maximum water pond formed between buildings.
Identify the lowest point between the buildings.
Calculate the area of the pond using the distance between the buildings and the depth of the pond.
Consider any obstacles or uneven ground that may affect the pond's shape.
Use a surveying tool or satellite imagery to get accurate measurements.
Take into account any drainage systems or natural water flow that may affect
- Q2. On mars you have to place n robots and they are connected via GPS. now you need to move each robot such that the whole mars is visited and each robot visit the minimum area(meaning no overlapping of area)...
- Q3. Design dictionary using trie....having operations of inserting a word, updating and deleting (needed to write full running code)
- Ans.
Design a dictionary using trie with insert, update and delete operations.
Implement a Trie data structure with nodes containing a character and a boolean flag to indicate end of word
For insert operation, traverse the trie and add nodes for each character in the word
For update operation, delete the existing word and insert the updated word
For delete operation, mark the end of word flag as false and delete the node if it ...
Interview Preparation Tips
Experience: Simple questions
Duration: 1 hour 10 minutes
Total Questions: 3
College Name: IIT Guwahati
Skills evaluated in this interview
MAYANK DEEP
Interview Preparation Tips
Experience: There were 3 Questions . One on String manipulation and two were on Binary Trees. All were easy but there was time constraint.
Tips: Practice as many question as possible.
Duration: 60 minutes
Total Questions: 3
Round: Technical Interview
Experience: I was given the problem to design a car pooling system complete with the required classes .. data structures which would be used ... how the database would look like etc..
Tips: General understanding of databases and OOP concepts would do.
Round: Technical Interview
Tips: Be thorough and have in-depth knowledge of each and every point of your resume.
College Name: BITS Pilani
Interview Questionnaire
21 Questions
- Q1. Discussion of previous written test questions
- Q2. Find the odd repeating element from a set of repeating elements
- Ans.
Find the odd repeating element from an array of strings
Use a hash table to count the frequency of each element
Iterate through the hash table to find the element with an odd count
- Q3. A 2D matrix is given which is row wise and column wise sorted. Find a particular element from it
- Ans.
Finding an element in a sorted 2D matrix
Start from the top right corner or bottom left corner
Compare the target element with the current element
Move left or down if the target is smaller, else move right or up
Repeat until the target is found or all elements are checked
- Q4. SQL Query to find Nth highest salary from table
- Ans.
SQL query to find Nth highest salary from table
Use ORDER BY and LIMIT clauses
Use subquery to get the Nth highest salary
Handle cases where there are less than N distinct salaries
- Q5. Another basic SQL query
- Q6. Write a function that returns '3' when '4' is passed as an input and vice versa without using if-else condition
- Ans.
Function to swap '3' and '4' without using if-else
Use XOR operator to swap the values
Convert the input to ASCII code and perform the swap
Use a lookup table to map the values
- Q7. Question on Suffix trees
- Q8. Question on Tries
- Q9. Question on Ternary search trees
- Q10. Question on hash maps
- Q11. Question on complexity of an algorithm
- Q12. 3-4 SQL queries
- Q13. Question on SQL joins
- Q14. JAVA questions on static block,static function and static variables
- Q15. JAVA questions on memory initialization and references
- Q16. Puzzle on measuring exactly half a glass of water
- Q17. Introduce yourself
- Ans.
I am a software developer with experience in Java and Python.
Proficient in Java and Python programming languages
Experience in developing web applications using Spring framework
Familiarity with database management systems like MySQL and MongoDB
- Q18. Why PAYTM?
- Ans.
PAYTM is a leading digital payment platform in India with a wide range of services.
PAYTM has a user-friendly interface and offers a seamless payment experience.
It provides a variety of services like mobile recharges, bill payments, and online shopping.
PAYTM has a strong focus on security and fraud prevention measures.
It has a large user base and is widely accepted by merchants across India.
PAYTM is constantly innovatin...
- Q19. Will you go for further studies?
- Ans.
Yes, I am open to pursuing further studies in the future.
I believe in continuous learning and staying updated with the latest technologies.
Further studies can help me specialize in a particular field and enhance my skills.
I may consider pursuing a master's degree in computer science or a related field.
However, my immediate focus is on gaining practical experience and contributing to the organization.
- Q20. Why do you think has PAYTM grown so fast?
- Ans.
PAYTM grew fast due to its innovative approach and early adoption of digital payments.
Early adoption of digital payments in India
Innovative approach with features like mobile recharges, bill payments, and cashback offers
Expansion into e-commerce and financial services
Strategic partnerships with major companies like Uber and Alibaba
- Q21. (looking at my CGPA of 9) You can get a better company. Then Why PAYTM only?
Interview Preparation Tips
Experience: there were 20 mcqs and 2 coding questions. It was a pen and paper test. We were given 1 hour to solve it. The mcqs were of average difficulty. The 2 coding questions were:
1. A variation of the standard Josephus Problem
2. Find the 'x' largest elements from 'n' input elements without using sorting.
Tips: They focus on algorithms not on complete solutions. Do not leave any question unattempted. If you do not know the exact approach then use Brute-Force approach.
Round: Technical Interview
Experience: The Interviewer was very nice. He was focussing on the approach used not on codes.
Tips: Be calm and think by basics :)
Round: Technical Interview
Experience: The interviewer asked high level data structures in this round. But again he saw the approach used and not exact solution
Tips: Don't give up. Tell whatever you know
Round: Technical Interview
Experience: JAVA questions were based on very detailed concepts. Study OOP properly.
Tips: Maintain your calm :)
Round: HR Interview
Experience: Overall the experience was nice and smooth.
Tips: If they allow you to ask them any question then ask them something about the company. They should find you interested in the company :)
General Tips: Just be cool. Show them you are enthusiastic to learn and work. While prepration focus on Basics and Algorithms. Prepare DBMS nicely too :)
Skill Tips: Have full knowledge about your projects
Skills: JAVA, Data Structures, Operating systems, Network Programming, DBMS
College Name: NIT Jalandhar
Motivation: PAYTM is a perfect mix for the dynamic startup culture and stability of a big organiztaion. PAYTM has an amazing work culture and excellent opportunities for growth
Skills evaluated in this interview
Interview Preparation Tips
College Name: na
I applied via Naukri.com and was interviewed in Mar 2021. There was 1 interview round.
Interview Questionnaire
2 Questions
- Q1. Write a program to Create a spiral array using 2D-array
- Ans.
Program to create a spiral array using 2D-array
Create a 2D-array with given dimensions
Initialize variables for row, column, and direction
Fill the array in a spiral pattern by changing direction when necessary
Return the spiral array
- Q2. Write a program to find Minimum length of string in 'bdcabdcbaabbbac' containing substring 'abc'
Interview Preparation Tips
Skills evaluated in this interview
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RapiPay Interviews By Designations
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RapiPay Software Developer Interview Process
based on 5 interviews
2 Interview rounds
- Resume Shortlist Round
- Coding Test Round
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RapiPay Software Developer Reviews and Ratings
based on 11 reviews
Rating in categories
|
Territory Sales Manager
145
salaries
|  ₹2.2 L/yr - ₹5.5 L/yr |
|
Software Engineer
102
salaries
| ₹4.3 L/yr - ₹16.5 L/yr |
|
Area Sales Manager
58
salaries
| ₹3.7 L/yr - ₹7 L/yr |
|
Assistant Manager
44
salaries
| ₹2.5 L/yr - ₹7 L/yr |
|
Software Developer
33
salaries
| ₹5.8 L/yr - ₹13 L/yr |
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