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Chargebee Software Engineer Interview Questions and Answers

Updated 23 Oct 2024

Chargebee Software Engineer Interview Experiences

4 interviews found

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. Edit distance problem
  • Ans. 

    The edit distance problem involves finding the minimum number of operations required to transform one string into another.

    • The edit distance problem can be solved using dynamic programming.

    • Common operations include insertion, deletion, and substitution of characters.

    • Example: Given strings 'kitten' and 'sitting', the edit distance is 3 (substitute 'k' with 's', insert 'g', substitute 'n' with 'g').

  • Answered by AI
  • Q2. Light switch puzzle

Skills evaluated in this interview

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test 

2 Medium level DSA question

Round 2 - Technical 

(2 Questions)

  • Q1. Mirror binary tree
  • Q2. Optimally find n^m
  • Ans. 

    Use the exponentiation by squaring algorithm to optimally find n^m.

    • Use the exponentiation by squaring algorithm to reduce the number of multiplications needed.

    • Divide the exponent by 2 and recursively calculate the result.

    • Handle the cases when the exponent is even or odd separately.

    • Example: n^5 = n * n^2 * n^2

  • Answered by AI

Skills evaluated in this interview

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Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test 

A coding test on hackerrank with some basic graph problems

Round 2 - Technical 

(1 Question)

  • Q1. The interviewer asked about my projects

I applied via LinkedIn and was interviewed in Sep 2022. There were 3 interview rounds.

Round 1 - Coding Test 

2 coding , 2 SQL with some quants

Round 2 - Technical 

(1 Question)

  • Q1. Remove redundant parentheses in a expression
  • Ans. 

    Remove redundant parentheses in a expression

    • Identify the innermost parentheses

    • Evaluate the expression inside the innermost parentheses

    • Replace the innermost parentheses with the evaluated expression

    • Repeat until no more redundant parentheses exist

  • Answered by AI
Round 3 - HR 

(1 Question)

  • Q1. Why do you want to join Chargebee?

Interview Preparation Tips

Interview preparation tips for other job seekers - Be confident and focus on your strength and if you screw up a part don’t feel bad

Skills evaluated in this interview

Chargebee interview questions for designations

 QA Engineer

 (1)

 Mechanical Engineer

 (1)

 Senior Sdet Engineer

 (1)

 QA Lead

 (1)

Interview questions from similar companies

I was interviewed 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

  • Answered by AI
  • 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 ...

  • Answered by AI

Interview Preparation Tips

Round: Test
Experience: Simple questions
Duration: 1 hour 10 minutes
Total Questions: 3

College Name: IIT Guwahati

Skills evaluated in this interview

Interview Preparation Tips

Round: Test
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

  • Answered by AI
  • 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

  • Answered by AI
  • 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

  • Answered by AI
  • 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

  • Answered by AI
  • 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

  • Answered by AI
  • 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...

  • Answered by AI
  • 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.

  • Answered by AI
  • 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

  • Answered by AI
  • Q21. (looking at my CGPA of 9) You can get a better company. Then Why PAYTM only?

Interview Preparation Tips

Round: Test
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

Skills: Algorithm, Java, Data structure
College Name: na

Interview Questionnaire 

1 Question

  • Q1. 1st round c mcq 2nd round short coding 3rd round advanced coding 4 and 5 technical hr and general hr

Interview Questionnaire 

1 Question

  • Q1. Simple basic c programing questions
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Chargebee Interview FAQs

How many rounds are there in Chargebee Software Engineer interview?
Chargebee interview process usually has 2-3 rounds. The most common rounds in the Chargebee interview process are Technical, Coding Test and Resume Shortlist.
How to prepare for Chargebee Software Engineer interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at Chargebee. The most common topics and skills that interviewers at Chargebee expect are Agile Coaching, C++, Card Payments, Data Structures and Algorithms and Design Patterns.
What are the top questions asked in Chargebee Software Engineer interview?

Some of the top questions asked at the Chargebee Software Engineer interview -

  1. Remove redundant parentheses in a express...read more
  2. edit distance prob...read more
  3. optimally find ...read more

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Chargebee Software Engineer Interview Process

based on 3 interviews

Interview experience

4.7
  
Excellent
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Chargebee Software Engineer Salary
based on 65 salaries
₹10 L/yr - ₹26 L/yr
116% more than the average Software Engineer Salary in India
View more details

Chargebee Software Engineer Reviews and Ratings

based on 9 reviews

4.3/5

Rating in categories

3.3

Skill development

4.2

Work-life balance

4.2

Salary

3.5

Job security

4.5

Company culture

3.4

Promotions

3.7

Work satisfaction

Explore 9 Reviews and Ratings
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