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Razorpay Software Developer Intern Interview Questions and Answers

Updated 5 Oct 2024

Razorpay Software Developer Intern Interview Experiences

3 interviews found

Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
Not Selected
Round 1 - Coding Test 

There were DSA questions and time limit was 1 hr

Round 2 - Technical 

(2 Questions)

  • Q1. Calculate factorial using tabulation
  • Ans. 

    Factorial calculation using tabulation in dynamic programming

    • Create an array to store factorial values up to n

    • Initialize the array with base cases (0! = 1, 1! = 1)

    • Iterate from 2 to n and calculate factorial using previous values in the array

    • Return the factorial value at index n

  • Answered by AI
  • Q2. Wildcard matching question

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare DSA well

Skills evaluated in this interview

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Campus Placement and was interviewed in Jul 2023. There was 1 interview round.

Round 1 - Technical 

(2 Questions)

  • Q1. There were basic DSA questions
  • Q2. Few questions based on Resume and Projects

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Interview experience
5
Excellent
Difficulty level
Hard
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Referral and was interviewed before Sep 2023. There were 3 interview rounds.

Round 1 - Aptitude Test 

Basic apti test including topics from dbms cn oop os and 2 coding q

Round 2 - Coding Test 

Leetcode hard hashmap problem was given in this round

Round 3 - Group Discussion 

1 on 1 with director with discussions on dbms etc

Interview questions from similar companies

I applied via Company Website and was interviewed in Oct 2020. There was 1 interview round.

Interview Questionnaire 

2 Questions

  • Q1. Rate Limiter Design, Code Hash map from scratch, Integer to roman, rectangle overlap, repeating non overlapping subsequence in a given string
  • Q2. Few questions related to SQL, Merchant Onboard ing design, Restaurant design

Interview Preparation Tips

Interview preparation tips for other job seekers - Leetcode, Interviewbit PayPal questions

I appeared for an interview before Dec 2020.

Round 1 - Video Call 

(1 Question)

Round duration - 60 Minutes
Round difficulty - Easy

The interview was held in the evening on a weekday, Interview was nice and quite experienced, he asked me about my previous experience in the area and they told me about the team and work for which they were hiring, we did some discussion on that. Meanwhile, I was also asked a few questions on Database and SQL.

  • Q1. 

    Find Magic Index in Sorted Array

    Given a sorted array A consisting of N integers, your task is to find the magic index in the given array, where the magic index is defined as an index i such that A[i] = i...

  • Ans. 

    Find the magic index in a sorted array where A[i] = i.

    • Iterate through the array and check if A[i] = i for each index i

    • Utilize binary search for a more efficient solution

    • Handle cases where there are multiple magic indices or none at all

  • Answered by AI
Round 2 - Coding Test 

(1 Question)

Round duration - 60 minutes
Round difficulty - Medium

The interview was in the afternoon. There were some glitches with the teams meeting but it got sorted out in a few minutes. This round was purely coding based. He started with questions on arrays, linked lists, and string manipulation with an increasing level of hardness. The tricky part was that the online editor I was given for writing the code was not an IDE but a simple text editor, so I wasn't getting any help in terms of code completion or syntax errors or syntax highlighting.

  • Q1. 

    Find All Pairs Adding Up to Target

    Given an array of integers ARR of length N and an integer Target, your task is to return all pairs of elements such that they add up to the Target.

    Input:

    The first line ...
  • Ans. 

    The task is to find all pairs of elements in an array that add up to a given target.

    • Iterate through the array and for each element, check if the difference between the target and the element exists in a hash set.

    • If it exists, add the pair to the result. If not, add the element to the hash set.

    • Handle cases where the same element is used twice in a pair.

    • Return (-1, -1) if no pair is found.

  • Answered by AI

Interview Preparation Tips

Professional and academic backgroundI applied for the job as Software Engineer in BangaloreEligibility criteriaNone, as I am experienced professionalPaypal interview preparation:Topics to prepare for the interview - Data structures, Algorithms, System Design, Javascript, Database, OOPsTime required to prepare for the interview - 3 monthsInterview preparation tips for other job seekers

Tip 1 : Always keep your focus on learning the basics, they should be rock solid
Tip 2 : Don't try to cram things days or weeks before interviews, that never helps. Try to learn little by little every day incrementally.
Tip 3 : Don't try to target any specific company, it almost never works out, just stay true to yourself and keep doing the hard work, opportunity will come to you eventually.
Tip 4 : If you need to prepare in a short time, I would suggest doing the 30-day interview challenge on Leetcode

Application resume tips for other job seekers

Tip 1 : Keep it short and simple, don't clutter with lots of text, try to convey things using bullet points instead of paragraphs
Tip 2 : Don't use fancy graphics and make sure the resume is not more than 1 page (or maybe 2 in case you have more experience)

Final outcome of the interviewSelected

Skills evaluated in this interview

Interview Questionnaire 

2 Questions

  • Q1. Coding skills checked
  • Q2. Get the 3rd highest salary from the table

Interview Questionnaire 

1 Question

  • Q1. How is MongoDB scalable?
  • Ans. 

    MongoDB is scalable due to its ability to horizontally partition data across multiple servers.

    • MongoDB uses sharding to distribute data across multiple servers.

    • Sharding allows for horizontal scaling by adding more servers to the cluster.

    • MongoDB also supports replica sets for high availability and fault tolerance.

    • Indexes can be created on any field in a MongoDB document, allowing for efficient querying of large datasets.

  • Answered by AI

Skills evaluated in this interview

Interview Questionnaire 

6 Questions

  • Q1. Strings
  • Q2. Java 8 features like lamba expressions stream API
  • Q3. Collections
  • Q4. Autoboxing and Unboxing
  • Q5. Generics
  • Q6. String manipulation problems
  • Ans. 

    String manipulation problems involve modifying or analyzing strings of characters.

    • Use built-in string methods like substring, replace, and split.

    • Regular expressions can be powerful tools for pattern matching and manipulation.

    • Be mindful of edge cases like empty strings and null values.

    • Consider the time and space complexity of your solution.

    • Practice with coding challenges on websites like LeetCode and HackerRank.

  • Answered by AI

Skills evaluated in this interview

Software Developer Interview Questions & Answers

Visa user image Pranav Bhat Thirthahalli

posted on 3 Dec 2015

Interview Questionnaire 

14 Questions

  • Q1. What is race condition and how can it be eliminated
  • Ans. 

    Race condition is a situation where multiple threads/processes access and manipulate shared data simultaneously.

    • It can be eliminated by using synchronization techniques like locks, semaphores, and mutexes.

    • Another way is to use atomic operations that ensure the data is accessed and modified atomically.

    • Using thread-safe data structures can also prevent race conditions.

    • Example: Two threads trying to increment a shared var...

  • Answered by AI
  • Q2. What is JCube?
  • Ans. 

    JCube is a Java library for creating and manipulating Rubik's Cube puzzles.

    • JCube provides classes for representing Rubik's Cube puzzles and algorithms for solving them.

    • It supports various cube sizes and can generate random scrambles.

    • JCube can be used in Java applications or as a standalone command-line tool.

    • It is open source and available on GitHub.

  • Answered by AI
  • Q3. What is regression testing?
  • Ans. 

    Regression testing is the process of testing changes made to a software application to ensure that existing functionality still works.

    • It is performed after making changes to the software

    • It ensures that existing functionality is not affected by the changes

    • It helps to catch any defects or bugs that may have been introduced

    • It can be automated using testing tools

    • Examples include retesting after bug fixes, testing after new

  • Answered by AI
  • Q4. Discussion on different sorting techniques
  • Q5. Discussion on SQL and SQL optimisaion
  • Q6. Software engineering principles
  • Ans. 

    Software engineering principles are the best practices and guidelines for developing high-quality software.

    • Software should be designed with modularity and scalability in mind.

    • Code should be well-documented and easy to read.

    • Testing and debugging should be an integral part of the development process.

    • Version control should be used to manage code changes.

    • Security and privacy should be considered throughout the development

  • Answered by AI
  • Q7. Java and OOP's question
  • Q8. Define Singleton class
  • Ans. 

    A Singleton class is a class that can only have one instance at a time.

    • It restricts the instantiation of a class to a single object.

    • It provides a global point of access to that instance.

    • It is often used in situations where a single object is required to coordinate actions across a system.

    • Example: Database connection manager, Configuration manager, Logger manager.

  • Answered by AI
  • Q9. Explain Testing principles and Design principles
  • Ans. 

    Testing principles ensure software quality, while design principles guide software development.

    • Testing principles include unit testing, integration testing, and acceptance testing.

    • Design principles include SOLID, DRY, and KISS.

    • Testing principles ensure that software meets requirements and is free of defects.

    • Design principles guide software development to be modular, maintainable, and scalable.

  • Answered by AI
  • Q10. Types of machine learning and methods and examples, they may give you a situation and ask you which technique is good and why
  • Q11. Why choose you for VISA?
  • Ans. 

    I have the necessary skills, experience, and passion to contribute to VISA's success.

    • I have a strong background in software development and have worked on projects similar to those at VISA.

    • I am a quick learner and can adapt to new technologies and programming languages easily.

    • I am passionate about creating high-quality software that meets the needs of users and exceeds their expectations.

    • I am a team player and can work...

  • Answered by AI
  • Q12. Which profile is good for you?
  • Ans. 

    A profile that challenges me to learn and grow while allowing me to contribute to a team.

    • A position that encourages continuous learning and development

    • A role that allows me to collaborate with a team and contribute to projects

    • A company culture that aligns with my values and work ethic

  • Answered by AI
  • Q13. About the work culture at VISA Inc
  • Q14. If u already have a placement, why this company
  • Ans. 

    I am interested in exploring new opportunities and challenges that this company can offer.

    • I am impressed with the company's reputation and growth potential.

    • I am excited about the projects and technologies this company is working on.

    • I believe this company can provide me with a better work-life balance and career growth opportunities.

    • I am looking for a company culture that aligns with my values and goals.

    • I am open to exp...

  • Answered by AI

Interview Preparation Tips

Round: Test
Experience: Online Test on mettl.com
- 2 coding questions ( 15*2 = 30 marks ) - Moderate level
- 10 MCQs on Programming and Java ( 1*10 = 10)
- 6 MCQs on Machine Learning and Hadoop ( 1*6 = 6 )
- 6 MCQs on Computer Networks ( 1*6 = 6 )
- 6 MCQs on Computer Infrastructure and Architecture ( 1*6 = 6)
- 6 MCQs on Application security and Cryptography ( 1*6 = 6)
15 shortlisted from here including 8 B.Techs and 7 M.Techs for F2F interviews, which were taken by VISA employees from their US and Singapore offices( since they don't have any office at India ).

Round: Technical Interview
Experience: They may give you a situation and ask you to explain which Software engineering principles will you use. They ask you how will you explain the concept of stacks and queues to a 7 year old, or to a granny, so as to encourage programming(like seriously ? )

General Tips: Nothing as such, since this was my second on-campus placement, I had good experience of interviews.
Keep your fundamentals in all computer science subjects open. Unlike other companies they don't focus much on coding alone. The only other company which also looks at perfection in all computer science aspects is Xerox Research Center India.
Challenging and Equally rewarding, but seriously a unique experience with no much tension
Skills:
College Name: NIT Surathkal

Skills evaluated in this interview

Software Engineer Interview Questions & Answers

Visa user image Pranali Yawalkar

posted on 14 Dec 2015

Interview Questionnaire 

7 Questions

  • Q1. Discussion on my internships and course projects.
  • Q2. My field of interest, how well have I fared in it.
  • Q3. Design a mvc controller system where given a url, I am able to invoke the right controller. Eg, given "xyz.com/a/b/c", I should be able to invoke c controller by going through a and b
  • Q4. Design autocomplete in IDEs
  • Ans. 

    Autocomplete in IDEs helps developers write code faster by suggesting code snippets and completing code as they type.

    • Autocomplete should suggest code snippets based on the context of the code being written

    • Autocomplete should prioritize suggestions based on frequency of use

    • Autocomplete should also suggest variable and function names

    • Autocomplete should be customizable to allow for user-defined snippets and suggestions

    • Exa...

  • Answered by AI
  • Q5. What is my weakness
  • Ans. 

    My weakness is public speaking.

    • I tend to get nervous when speaking in front of large groups.

    • I am working on improving my public speaking skills by practicing and seeking feedback.

    • I have taken courses and attended workshops to help me overcome my fear of public speaking.

  • Answered by AI
  • Q6. Given 2 game scenarios for basketball, and given p as the probability of making a basket in an attempt, I have to understand the condition where game1 would be preferable over game2. In first game, I have ...
  • Ans. 

    Comparing 2 basketball game scenarios with different number of trials and baskets required to win

    • Calculate the probability of winning in each game scenario using binomial distribution formula

    • Compare the probabilities to determine which game scenario is preferable

    • In game1, the probability of winning is p. In game2, the probability of winning is the sum of probabilities of making 2 or 3 baskets

    • If p is high, game1 is pref...

  • Answered by AI
  • Q7. Given a dictionary of words, I have to go from one word to another in least number of transitions where a transition is a defined as changing any letter of the current word such that the new word is also i...

Interview Preparation Tips

Round: Test
Experience: The test was on hackerrank.
Tips: * Fast coding and problem solving required
* Time crunch
* The test is valued a LOT in the hiring process
Duration: 120 minutes
Total Questions: 4

Round: Technical Interview
Experience: Question 1 : He tried to take the discussion to web based technologies to which I straightly told I don’t know. Not sure if that was a good decision. Nevertheless, he went over my resume a lot of times and asked about various projects.
Question 2 : Discussed the various projects related to it.
Question 3 : He asked this question because I had worked on django during my FB internship. I proposed a tree based structure. xyz.com/a/b/c ---> b is child of a, c is child of b.

Question 4 : Next he moved to a very interesting question. Given a simple text editor, I want to facilitate autocomplete feature. We discussed about syntactic methods using language specific keywords. I suggested a trie based implementation which he liked. Later he asked me to improve and redirected me to using scope of the variables, and grammar of the language. We discussed about all the steps I did in language translators lab (macrojava -> minijava -> typechecking -> miniIR -> microIR -> miniRA ->Mips) where we built a Java compiler in Java. We later hopped back to original question and I suggested that we can use grammar to to store multiple (nested kind of) tries for different scope. He asked me how would I define “scope”. He gave me a scenario which helped me come up with the nested trie structure
int a;
{
int b;
{
int c; //a b c can be used
}
{
int d; //a b d can be used
}
}
He then asked me details of how I would code. I said we could use the respective visitors and maintain the current trie root for scope. He liked it but I missed at 2 places :
1. He asked me about token generation used in a compiler and I said flex and bison. I was expected to elaborate a bit.
2. He asked me how the grammar is generated and how the visitors are invoked. I couldn’t explain properly because I was not thorough with it.
Tips: * Keep smiling in the interviews.
* My interviewer had hopped from Microsoft to Visa. We had a short detailed discussion on how the transition was and what drove him to do that.
* It’s always good to know about the company to pick up interesting discussions, read up latest articles and news
* The interviewers want to see if you are passionate about what they are building. Their PPT (Pre Placement Talk) was also focussed majorly on the technologies they are building.
* If you take a question in a direction, make sure you are very very thorough with it. I took it in the direction of compilers, but couldn't make the transition seamlessly because I wasn't thorough with a lot of things (like token generation, visitor invocation).
* Not sure if telling upfront that you don't know about web technologies when you are applying for a profile that might need it is a good idea or not.


Round: Technical Interview
Experience: I think he was a senior person and spoke very passionately about the work that is happening in visa Bangalore office.

Question 1 : I said maybe I should have learnt a little about web based technologies. I think he was looking for a more generic answer.
Question 2 : I went ahead with calculating the expected score where my score random variable = 1 with probability p, and 0 with probability (1-p). I conditioned that expected score of game1 > game2 which would give me the range of p. I goofed up the equations twice but he said he liked my approach and I was just there

Question 3 : I suggested building a graph where a node is a word and an edge means a transition, and then performing BFS. He said that was obvious and that he was more interested in knowing how I build the graph. I suggested a method to reduce the number of string comparisons by storing a count vector with each word. Count vector is a 26 length vector where count[i] = number of times that letter occurs in the word. I would do string comparison to identify neighbours only if the difference in count vectors in 2. Eg, cot = cat - a + o. String comparison is still needed because of false positives. Eg, oct = cat - a + o but cat -> oct is not a valid transition. He liked my approach and asked me to code, discussed the complexity.
Tips: * Don't be naive around a senior engineer. Be confident.
* Explain your approach before going ahead solving it. I missed that in Q1 and for a long time he didn't know what I was heading towards.
* Write clean code, practice coding on paper to make sure you write compilable code. Shabby code is a turn off.
* Show passion for the company you are applying for.

General Tips: * Be friendly and keep smiling.
* Know about the company, well in detail. Recent news, articles, acquisitions, organisational changes, new offices, new product, etc.
* Know about the volume the company handles, certain mind boggling figures, what the company *does not* do
* If you are introducing yourself as an expert in a certain field, be prepared for questions like "How will you contribute to our company with your expertise" type of questions.
* Be very very thorough with every single thing you write on your resume. A small point you weren't sure about might become the basis of your whole interview. Don't write things you are unsure of, or have worked very little on.
Skill Tips: * I think I didn’t take Visa very seriously. I was assuming they won’t take a undergrad and they won’t take me because I have 0 knowledge in web based technologies. I might have acted a little cocky.
* They had nice pie diagrams which shows that they had done thorough research about each and every candidate based on resume and the coding test.
* They value the coding test a lot.
* Be very thorough with the projects you write on resume. They will give you a problem which won't be straightforward and will map onto one of your course projects. You are expected to do the mapping seamlessly. Every bit of the discussion you have with the interviewer can be your next problem.
* Brush up on web based technologies if you can.
* There will be a HR round as well if you clear the technical interviews.

Skills: Maths(esp Probability), Design, Passion, Web Technologies, Technical Skill And Speaking Skill, Coding Skills
College Name: IIT Madras
Motivation: * Been the leader since more than half a century, been through the technological revolution.
* Revolutionising payments architecture. Building something of greatest need, so elegant and optimised, yet producing such consistent performance.
* Keeping up with the need of the generation by introducing features which are brand new. Eg, “all-purpose credit card”.
* Loved their PPT (Pre Placement Talk). Volume of the data and processing is IMMENSE. Billions of transactions in a year voluming up to trillions. More than 200 countries in the world --> these stats are HUGE.
* Fraud detection is a space I would have loved to work on given that I come from a Data Mining background.

Funny Moments: Chucked out before HR round :P

Skills evaluated in this interview

Razorpay Interview FAQs

How many rounds are there in Razorpay Software Developer Intern interview?
Razorpay interview process usually has 2 rounds. The most common rounds in the Razorpay interview process are Technical, Coding Test and Aptitude Test.
What are the top questions asked in Razorpay Software Developer Intern interview?

Some of the top questions asked at the Razorpay Software Developer Intern interview -

  1. Calculate factorial using tabulat...read more
  2. There were basic DSA questi...read more
  3. Wildcard matching quest...read more

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Razorpay Software Developer Intern Interview Process

based on 3 interviews

Interview experience

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Join Razorpay Revolutionize the FinTech space with groundbreaking solutions
Razorpay Software Developer Intern Salary
based on 4 salaries
₹8 L/yr - ₹72 L/yr
276% more than the average Software Developer Intern Salary in India
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Razorpay Software Developer Intern Reviews and Ratings

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5.0/5

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5.0

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4.0

Work-life balance

3.0

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4.0

Job security

4.0

Company culture

3.0

Promotions

4.0

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