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Freecharge Web Developer Interview Questions and Answers

Updated 9 Jan 2025

Freecharge Web Developer Interview Experiences

1 interview found

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

Nice one details with

Round 2 - Technical 

(2 Questions)

  • Q1. Java script based wuestionss
  • Q2. Dsa based questions
Round 3 - HR 

(2 Questions)

  • Q1. Normal infect arc toon and breifing
  • Ans. 

    The question is asking about the normal infection arc in cartoons and providing a briefing on it.

    • Normal infection arc in cartoons typically involves a character getting sick or infected with a virus or bacteria.

    • The character may exhibit symptoms such as sneezing, coughing, or feeling unwell.

    • Other characters may try to help the infected character by providing remedies or seeking medical help.

    • The infection arc usually re...

  • Answered by AI
  • Q2. Nirmal interaction and briefing

Interview questions from similar companies

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

  • 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

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

  • Answered by AI
  • Q2. Write a program to find Minimum length of string in 'bdcabdcbaabbbac' containing substring 'abc'

Interview Preparation Tips

Interview preparation tips for other job seekers - I recently got interviewed at PAYTM.I felt paytm will check your programming skills rather than your conceptual skills .In beginning they asked few questions related to concepts then they continued with only DS and algo.

Skills evaluated in this interview

I appeared for an interview before Sep 2020.

Round 1 - Coding Test 

(1 Question)

Round duration - 90 mins
Round difficulty - Hard

There were questions related to DP and DFS.

 

  • Q1. 

    Trapping Rain Water Problem Statement

    You are given a long type array/list ARR of size N, representing an elevation map. The value ARR[i] denotes the elevation of the ith bar. Your task is to determine th...

  • Ans. 

    Calculate the total amount of rainwater that can be trapped between given elevations in an array.

    • Iterate through the array and calculate the maximum height on the left and right of each bar.

    • Calculate the amount of water that can be trapped at each bar by taking the minimum of the maximum heights on the left and right.

    • Sum up the trapped water at each bar to get the total trapped water for the entire array.

  • Answered by AI
Round 2 - Video Call 

(3 Questions)

Round duration - 60 mins
Round difficulty - Medium

At first, I was asked about the different projects that I have done so far. We had a detailed discussion on the same.
He also checked my OOP concepts

  • Q1. Can you describe the process of designing an LRU Cache from scratch during your System Design Round?
  • Ans. 

    Designing an LRU Cache involves implementing a data structure that stores a fixed number of items and removes the least recently used item when full.

    • Start by defining the data structure for the cache, typically using a combination of a hashmap and a doubly linked list.

    • Implement methods for getting and setting key-value pairs in the cache.

    • When a new item is added to the cache, check if it exceeds the maximum capacity. I...

  • Answered by AI
  • Q2. 

    Reverse Linked List Problem Statement

    Given a Singly Linked List of integers, your task is to reverse the Linked List by altering the links between the nodes.

    Input:

    The first line of input is an intege...
  • Ans. 

    Reverse a singly linked list by altering the links between nodes.

    • Iterate through the linked list and reverse the links between nodes

    • Use three pointers to keep track of the current, previous, and next nodes

    • Update the links between nodes to reverse the list

    • Return the head of the reversed linked list

  • Answered by AI
  • Q3. 

    Middle of a Linked List

    You are given the head node of a singly linked list. Your task is to return a pointer pointing to the middle of the linked list.

    If there is an odd number of elements, return the ...

  • Ans. 

    Return the middle element of a singly linked list, or the one farther from the head if there are even elements.

    • Traverse the linked list with two pointers, one moving twice as fast as the other

    • When the fast pointer reaches the end, the slow pointer will be at the middle

    • If there are even elements, return the one that is farther from the head node

    • Handle edge cases like linked list of size 1 or empty list

  • Answered by AI
Round 3 - Video Call 

Round duration - 60 mins
Round difficulty - Medium

It is HR + Technical round
asked about the Behavioural questions and how you justify yourself in an argument .questions related to current technology.
They gave me feedback on how well I had performed so far and gave me suggestions on what more can I do to further improve myself.

Interview Preparation Tips

Professional and academic backgroundI applied for the job as SDE - 1 in BangaloreEligibility criteriaGood ProjectsRazorpay interview preparation:Topics to prepare for the interview - Projects, Development, NoSQL, Data Structure, OOPS, DBMS, Algorithm.Time required to prepare for the interview - 4 monthsInterview preparation tips for other job seekers

Tip 1 : Be thorough about your projects
Tip 2 : Prepare Ds and Algo and Practice all standard questions 
Tip 3 : Know the complexities of the code that you’ve written.

Application resume tips for other job seekers

Tip 1 : Mention at least 2 projects.
Tip 2 : Don't make any silly spelling mistakes on resume

Final outcome of the interviewSelected

Skills evaluated in this interview

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

I applied via Instahyre and was interviewed in Oct 2024. There were 3 interview rounds.

Round 1 - Coding Test 

Basic Nodejs questions

Round 2 - Technical 

(2 Questions)

  • Q1. Live peer coding interview
  • Q2. Fundamental of JS and clean code architecture
Round 3 - HR 

(2 Questions)

  • Q1. Salary expectation
  • Q2. Joining date and

Interview Preparation Tips

Interview preparation tips for other job seekers - Experience was good
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test 

1 hour test conducted by the company

Round 2 - Group Discussion 

Data structure and all

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
4-6 weeks
Result
Selected Selected

I applied via Approached by Company and was interviewed before Sep 2023. There was 1 interview round.

Round 1 - Technical 

(1 Question)

  • Q1. Project discussion

Freecharge Interview FAQs

How many rounds are there in Freecharge Web Developer interview?
Freecharge interview process usually has 3 rounds. The most common rounds in the Freecharge interview process are Aptitude Test, Technical and HR.
What are the top questions asked in Freecharge Web Developer interview?

Some of the top questions asked at the Freecharge Web Developer interview -

  1. Normal infect arc toon and breif...read more
  2. Nirmal interaction and brief...read more
  3. Java script based wuestio...read more

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Freecharge Web Developer Interview Process

based on 1 interview

Interview experience

5
  
Excellent
View more

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