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Paytm Android Developer Interview Questions, Process, and Tips

Updated 21 Dec 2024

Top Paytm Android Developer Interview Questions and Answers

  • Q1. BST Iterator Problem Statement You are tasked with creating a class named BSTIterator that acts as an iterator for the inorder traversal of a binary search tree. Impleme ...read more
  • Q2. Cube Sum Pairs Problem Statement Given a positive integer N , find the number of ways to express N as a sum of cubes of two integers, A and B , such that: N = A^3 + B^3 ...read more
  • Q3. Colorful Knapsack Problem You are given a set of 'N' stones, each with a specific weight and color. The goal is to fill a knapsack with exactly 'M' stones, choosing one ...read more
View all 9 questions

Paytm Android Developer Interview Experiences

4 interviews found

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected
Round 1 - Technical 

(2 Questions)

  • Q1. DSA: Put zeroes to end in an array
  • Ans. 

    Move all zeroes to the end of an array of strings.

    • Iterate through the array and keep track of the count of zeroes encountered.

    • Swap non-zero elements with the first zero encountered to move zeroes to the end.

  • Answered by AI
  • Q2. What is context? Type of context in android, what are the differences
  • Ans. 

    Context in Android refers to the current state of the application. There are different types of context in Android with varying scopes and lifecycles.

    • Context is an abstract class in Android that allows access to application-specific resources and classes.

    • There are three main types of context in Android: Application Context, Activity Context, and Service Context.

    • Application Context is tied to the lifecycle of the applic...

  • Answered by AI
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
Selected Selected
Round 1 - Technical 

(1 Question)

  • Q1. Data structures and kotlin basics to advance

Android Developer Interview Questions Asked at Other Companies

asked in Paytm
Q1. BST Iterator Problem Statement You are tasked with creating a cla ... read more
asked in Hike
Q2. Design an photo viewing app which will show images from the disk ... read more
asked in Paytm
Q3. Cube Sum Pairs Problem Statement Given a positive integer N, find ... read more
asked in Rupeek
Q4. Majority Element Problem Statement Given an array/list 'ARR' cons ... read more
asked in Paytm
Q5. Colorful Knapsack Problem You are given a set of 'N' stones, each ... read more

I was interviewed in Aug 2021.

Round 1 - Coding Test 

(2 Questions)

Round duration - 45 Minutes
Round difficulty - Easy

  • Q1. 

    BST Iterator Problem Statement

    You are tasked with creating a class named BSTIterator that acts as an iterator for the inorder traversal of a binary search tree. Implement the following functions:

    1. BST...
  • Ans. 

    Create a BSTIterator class for inorder traversal of a binary search tree.

    • Implement a constructor that takes the root of the binary search tree and initializes the iterator.

    • Implement next() function to return the next smallest element in the inorder traversal.

    • Implement hasNext() function to check if there is a next element in the inorder traversal.

    • Traverse the binary search tree in inorder to get the desired output.

  • Answered by AI
  • Q2. 

    Integer to Roman Conversion

    Given an integer N, convert it to its corresponding Roman numeral representation. Roman numerals comprise seven symbols: I, V, X, L, C, D, and M.

    Example:

    Input:
    N = 2
    Outp...
  • Ans. 

    Convert an integer to its corresponding Roman numeral representation.

    • Create a mapping of integer values to Roman numeral symbols.

    • Iterate through the mapping in descending order of values and build the Roman numeral representation.

    • Subtract the largest possible value from the integer at each step and append the corresponding Roman numeral symbol.

    • Repeat until the integer becomes 0.

  • Answered by AI
Round 2 - Video Call 

(2 Questions)

Round duration - 45 Minutes
Round difficulty - Medium

  • Q1. 

    Cube Sum Pairs Problem Statement

    Given a positive integer N, find the number of ways to express N as a sum of cubes of two integers, A and B, such that:

    N = A^3 + B^3

    Ensure you adhere to the following c...

  • Ans. 

    The problem involves finding the number of ways to express a given positive integer as a sum of cubes of two integers.

    • Iterate through all possible values of A and B within the given constraints.

    • Check if A^3 + B^3 equals the given N, increment the count if true.

    • Handle the case where A = B separately to avoid counting duplicates.

  • Answered by AI
  • Q2. 

    Colorful Knapsack Problem

    You are given a set of 'N' stones, each with a specific weight and color. The goal is to fill a knapsack with exactly 'M' stones, choosing one stone of each color, so that the to...

  • Ans. 

    The Colorful Knapsack Problem involves selecting one stone of each color to fill a knapsack with a given weight capacity, minimizing unused capacity.

    • Iterate through the stones and keep track of the minimum weight for each color.

    • Use dynamic programming to find the optimal solution by considering all possible combinations.

    • Handle cases where the knapsack cannot be filled under the given conditions by returning -1.

    • In the g...

  • Answered by AI
Round 3 - HR 

Round duration - 15 Minutes
Round difficulty - Easy

Interview Preparation Tips

Professional and academic backgroundI applied for the job as Android Developer in NoidaEligibility criteriaAbove 7 CGPA , Previous Android Development Experience RequiredPaytm (One97 Communications Limited) interview preparation:Topics to prepare for the interview - Data structures, Algorithms, OOPS, Android, OSTime required to prepare for the interview - 1 MonthInterview preparation tips for other job seekers

Tip 1 : Clear all the topics related to Android with deep details about every topics.
Tip 2 : Practice DSA and algorithms from GFG, CodeStudio daily.
Tip 3 : Dry run code before running the code.

Application resume tips for other job seekers

Tip 1 : Mention your open source contributions/ participation in hackathons.
Tip 2 : Provide links to your projects.

Final outcome of the interviewRejected

Skills evaluated in this interview

I applied via Naukri.com and was interviewed in Apr 2020. There was 1 interview round.

Interview Questionnaire 

4 Questions

  • Q1. Why dagger is required?
  • Ans. 

    Dagger is required for dependency injection in Android development.

    • Dagger helps in managing dependencies and reduces boilerplate code.

    • It provides compile-time safety and improves code readability.

    • Dagger also helps in testing and modularizing the codebase.

    • It is widely used in Android development for building scalable and maintainable apps.

  • Answered by AI
  • Q2. How garbage collector works?
  • Ans. 

    The garbage collector in Android automatically manages memory by reclaiming unused objects.

    • Garbage collector identifies objects that are no longer referenced by the program.

    • It frees up memory occupied by these objects, making it available for future use.

    • The process involves marking objects as reachable or unreachable, and then reclaiming memory from unreachable objects.

    • Garbage collection can be triggered automatically ...

  • Answered by AI
  • Q3. How to set equal spacing between childs of constraint layout?
  • Ans. 

    To set equal spacing between childs of constraint layout, use the chain style property.

    • Create a chain of the views that need equal spacing using the chain style property.

    • Set the chain style to spread inside the constraint layout.

    • Adjust the margins of the views to control the spacing.

    • Use the layout_constraintHorizontal_chainStyle or layout_constraintVertical_chainStyle attribute to set the chain style.

    • Example: app:layou

  • Answered by AI
  • Q4. Fragment life cycle

Interview Preparation Tips

Interview preparation tips for other job seekers - Be prepared and confident, keep practicing

Skills evaluated in this interview

Paytm interview questions for designations

 Developer

 (1)

 Software Developer

 (35)

 Backend Developer

 (3)

 Wordpress Developer

 (1)

 Java Developer

 (1)

 Full Stack Developer

 (6)

 Software Developer Intern

 (4)

 Senior IOS Developer

 (2)

Interview questions from similar companies

I was interviewed before Jan 2021.

Round 1 - Coding Test 

(2 Questions)

Round duration - 90 minutes
Round difficulty - Medium

It was conducted in Hacker rank which consisted of 10 aptitude questions that included C, C++, Java MCQ. 2 programming questions were also given.

  • Q1. 

    Minimum Cost Path Problem Statement

    Given an N x M matrix filled with integers, determine the minimum sum obtainable from a path that starts at a specified cell (x, y) and ends at the top left corner of t...

  • Ans. 

    The problem involves finding the minimum sum path from a specified cell to the top left corner of a matrix.

    • Start from the specified cell and calculate the minimum sum path to reach the top left corner using dynamic programming.

    • Consider the three possible moves: down, right, and down-right diagonal.

    • Keep track of the minimum sum at each cell and update it based on the minimum of the three possible moves.

    • Finally, the mini...

  • Answered by AI
  • Q2. 

    Balanced Parentheses Combinations

    Given an integer N representing the number of pairs of parentheses, find all the possible combinations of balanced parentheses using the given number of pairs.

    Explanati...

  • Ans. 

    Generate all possible combinations of balanced parentheses for a given number of pairs.

    • Use backtracking to generate all possible combinations of balanced parentheses.

    • Keep track of the number of open and close parentheses used in each combination.

    • Recursively generate combinations by adding open parentheses if there are remaining, and closing parentheses if the number of open parentheses is greater than the number of clo...

  • Answered by AI
Round 2 - Face to Face 

(4 Questions)

Round duration - 60 minutes
Round difficulty - Medium

Technical round with questions based on data structures, oops and networking.

  • Q1. 

    Character Counting Challenge

    Create a program that counts and prints the total number of specific character types from user input. Specifically, you need to count lowercase English alphabets, numeric digi...

  • Ans. 

    Create a program to count lowercase alphabets, digits, and white spaces from user input until '$' is encountered.

    • Read characters from input stream until '$' is encountered

    • Count lowercase alphabets, digits, and white spaces separately

    • Print the counts of each character type as three integers separated by spaces

  • Answered by AI
  • Q2. 

    K Largest Elements Problem Statement

    Given an unsorted array containing 'N' integers, you are required to find 'K' largest elements from the array and return them in non-decreasing order.

    Input:

    The fir...
  • Ans. 

    Find K largest elements in an unsorted array and return them in non-decreasing order.

    • Sort the array in non-decreasing order.

    • Return the last K elements of the sorted array.

  • Answered by AI
  • Q3. How can you check whether you have an internet connection on your system?
  • Ans. 

    To check internet connection on a system, you can use various methods like pinging a website or checking network status.

    • Use ping command to check connectivity to a website (e.g. ping www.google.com)

    • Check network status using network settings or command line tools

    • Try accessing a website or online service to verify internet connection

  • Answered by AI
  • Q4. What happens when you type a URL in a web browser?
  • Ans. 

    When you type a URL in a web browser, the browser sends a request to the server hosting the website, which then responds with the necessary files to display the webpage.

    • Browser checks cache for DNS resolution

    • If not found, browser sends a DNS query to resolve the domain name to an IP address

    • Browser establishes a TCP connection with the server

    • Browser sends an HTTP request to the server for the webpage

    • Server processes the...

  • Answered by AI
Round 3 - Face to Face 

(2 Questions)

Round duration - 60 minutes
Round difficulty - Medium

Technical round with questions based on data structures, oops and networking.

  • Q1. 

    Counting Sort Problem Statement

    Ninja is learning about sorting algorithms, specifically those that do not rely on comparisons. Can you help Ninja implement the counting sort algorithm?

    Example:

    Input:
    ...
  • Ans. 

    Implement counting sort algorithm to sort an array of integers without comparisons.

    • Count the frequency of each element in the input array.

    • Calculate the prefix sum of frequencies to determine the position of each element in the sorted array.

    • Place each element in its correct position based on the prefix sum.

    • Time complexity of counting sort is O(n+k), where n is the number of elements and k is the range of input.

    • Example: ...

  • Answered by AI
  • Q2. What are the applications of the Fibonacci series in real life?
  • Ans. 

    The Fibonacci series has applications in various fields such as mathematics, computer science, art, and nature.

    • Used in algorithms for optimization problems and dynamic programming.

    • Found in nature, such as the arrangement of leaves on a stem, the branching of trees, and the spiral shapes of shells.

    • Applied in financial markets for predicting stock prices and analyzing market trends.

    • Utilized in art and design for creating

  • Answered by AI
Round 4 - HR 

Round duration - 30 minutes
Round difficulty - Easy

HR round where the interviewer asked questions to know more about me.

Interview Preparation Tips

Eligibility criteriaAbove 7 CGPAPaypal interview preparation:Topics to prepare for the interview - Data Structures, Algorithms, System Design, Aptitude, OOPSTime required to prepare for the interview - 6 monthsInterview preparation tips for other job seekers

Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.

Application resume tips for other job seekers

Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.

Final outcome of the interviewSelected

Skills evaluated in this interview

I was interviewed before Jan 2021.

Round 1 - Face to Face 

(3 Questions)

Round duration - 60 minutes
Round difficulty - Easy

Technical Interview Round with questions based on Data structures, OOPS and SQL.

  • Q1. 

    Delete a Node from a Linked List

    You are provided with a linked list of integers. Your task is to implement a function that deletes a node located at a specified position 'POS'.

    Input:

    The first line co...
  • Ans. 

    Implement a function to delete a node from a linked list at a specified position.

    • Traverse the linked list to find the node at the specified position.

    • Update the pointers of the previous and next nodes to skip the node to be deleted.

    • Handle edge cases such as deleting the head or tail of the linked list.

    • Ensure to free the memory of the deleted node to avoid memory leaks.

  • Answered by AI
  • Q2. Write an SQL query to find the nth highest salary.
  • Ans. 

    SQL query to find the nth highest salary

    • Use the ORDER BY clause to sort salaries in descending order

    • Use the LIMIT and OFFSET clauses to skip the first n-1 highest salaries

    • Combine the above steps in a single query to find the nth highest salary

  • Answered by AI
  • Q3. Can you explain the concepts of Object-Oriented Programming (OOP)?
  • Ans. 

    OOP is a programming paradigm based on the concept of objects, which can contain data in the form of fields and code in the form of procedures.

    • OOP focuses on creating objects that interact with each other to solve problems.

    • Key concepts include encapsulation, inheritance, and polymorphism.

    • Encapsulation involves bundling data and methods that operate on the data into a single unit.

    • Inheritance allows classes to inherit at...

  • Answered by AI
Round 2 - Face to Face 

(4 Questions)

Round duration - 60 minutes
Round difficulty - Easy

Was asked me about my favorite technologies, What i liked about Facebook. And asked me to design a cinema ticket reservation web site­ like the one satyam has.

  • Q1. 

    Kth Largest Element Problem

    Given an array containing N distinct positive integers and a number K, determine the Kth largest element in the array.

    Example:

    Input:
    N = 6, K = 3, array = [2, 1, 5, 6, 3, ...
  • Ans. 

    Find the Kth largest element in an array of distinct positive integers.

    • Sort the array in non-increasing order and return the Kth element.

    • Handle multiple test cases efficiently.

    • Ensure all elements in the array are distinct.

  • Answered by AI
  • Q2. What are virtual functions?
  • Ans. 

    Virtual functions are functions in a base class that are overridden in derived classes to achieve runtime polymorphism.

    • Virtual functions are declared in a base class with the 'virtual' keyword.

    • They are overridden in derived classes using the 'override' keyword.

    • They allow a function to be called based on the runtime type of an object.

    • Virtual functions enable dynamic binding and late binding in C++.

    • Example: virtual void ...

  • Answered by AI
  • Q3. Design a Cinema Ticket Reservation System.
  • Ans. 

    Design a Cinema Ticket Reservation System

    • Use a database to store movie information, showtimes, and seat availability

    • Allow users to search for movies, select showtimes, and choose seats

    • Implement a payment system for ticket purchases

    • Send confirmation emails with QR codes for ticket validation

  • Answered by AI
  • Q4. In how many attempts can you find a defective ball among 10 given balls using a two-pan balance scale?
  • Ans. 

    You can find a defective ball among 10 given balls in 2 attempts using a two-pan balance scale.

    • Divide the 10 balls into two groups of 5 each.

    • Weigh the two groups on the balance scale.

    • If one group is heavier, it contains the defective ball. If they are equal, the defective ball is in the remaining 5 balls.

    • Divide the group of 5 balls with the defective one into two groups of 2 and 3 balls.

    • Weigh the two groups on the bala...

  • Answered by AI
Round 3 - HR 

(1 Question)

Round duration - 30 minutes
Round difficulty - Easy

HR round that lasted for about 30 minutes. The interviewer asked me questions to know more about me and a puzzle.

  • Q1. Can you tell me about your projects and your extracurricular activities?

Interview Preparation Tips

Eligibility criteriaAbove 7 CGPAPaypal interview preparation:Topics to prepare for the interview - Data Structures, Algorithms, System Design, Aptitude, OOPSTime required to prepare for the interview - 3 monthsInterview preparation tips for other job seekers

Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.

Application resume tips for other job seekers

Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.

Final outcome of the interviewSelected

Skills evaluated in this interview

I was interviewed before Jan 2021.

Round 1 - Face to Face 

(2 Questions)

Round duration - 60 minutes
Round difficulty - Easy

I couldn't find an optimal approach to the first question, so she skipped that question and proceeded to next questions. Remaining questions I have answered satisfactorily.

  • Q1. 

    Subset Sum Equal To K Problem Statement

    Given an array/list of positive integers and an integer K, determine if there exists a subset whose sum equals K.

    Provide true if such a subset exists, otherwise r...

  • Ans. 

    Given an array of positive integers and an integer K, determine if there exists a subset whose sum equals K.

    • Use dynamic programming to solve this problem efficiently

    • Create a 2D array to store if a subset with a particular sum exists

    • Iterate through the array and update the 2D array accordingly

    • Check if the value at the end of the iteration is true for the given K

  • Answered by AI
  • Q2. 

    BFS Traversal in a Graph

    Given an undirected and disconnected graph G(V, E) where V vertices are numbered from 0 to V-1, and E represents edges, your task is to output the BFS traversal starting from the ...

  • Ans. 

    BFS traversal in a disconnected graph starting from vertex 0.

    • Implement BFS algorithm to traverse the graph starting from vertex 0.

    • Use a queue to keep track of visited nodes and their neighbors.

    • Ensure to print the traversal sequence in the correct order.

    • Handle disconnected components by checking for unvisited nodes.

    • Follow the BFS approach of exploring neighbors before moving to the next level.

  • Answered by AI
Round 2 - HR 

(1 Question)

Round duration - 60 minutes
Round difficulty - Easy

I told that my strength is problem solving and I can always find a way when there is a bottle-neck. Gave some examples of my experiences while doing my assignments.

  • Q1. 

    Replace Spaces in a String

    Given a string STR consisting of words separated by spaces, your task is to replace all spaces between words with the characters "@40".

    Input:

    The first line contains an integ...
  • Ans. 

    Replace spaces in a string with '@40'.

    • Iterate through each character in the string

    • Replace spaces with '@40'

    • Return the modified string

  • Answered by AI

Interview Preparation Tips

Eligibility criteriaAbove 7 CGPAPaypal interview preparation:Topics to prepare for the interview - Data Structures, Algorithms, System Design, Aptitude, OOPSTime required to prepare for the interview - 6 monthsInterview preparation tips for other job seekers

Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.

Application resume tips for other job seekers

Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.

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

Software Developer Interview Questions & Answers

PayPal user image RAJIVTEJA NAGIPOGU

posted on 3 Dec 2016

I applied via Campus Placement and was interviewed in Dec 2016. There were 3 interview rounds.

Interview Questionnaire 

6 Questions

  • Q1. Given an array of numbers find the subset of numbers that give zero sum.
  • Ans. 

    Find subset of numbers in array that sum up to zero.

    • Use a nested loop to iterate through all possible subsets.

    • Calculate the sum of each subset and check if it equals zero.

    • Store the subset if the sum is zero.

    • Optimize the solution by using a hash set to store the cumulative sum of elements.

  • Answered by AI
  • Q2. Explain how bfs works?
  • Ans. 

    BFS (Breadth-First Search) is a graph traversal algorithm that explores all the vertices of a graph in breadth-first order.

    • BFS starts at a given vertex and explores all its neighbors before moving to the next level of vertices.

    • It uses a queue data structure to keep track of the vertices to be visited.

    • BFS guarantees that it visits all the vertices of a connected graph.

    • It can be used to find the shortest path between two

  • Answered by AI
  • Q3. Discussion on the projects I have done.
  • Q4. Question on Linked List.
  • Q5. Project Discussion
  • Q6. Strengths and weaknesses. Where do you see yourself in 5 years?
  • Ans. 

    In 5 years, I see myself as a highly skilled software developer, leading a team and contributing to innovative projects.

    • Continuously improving my technical skills through learning and hands-on experience

    • Taking on leadership roles and mentoring junior developers

    • Contributing to the development of cutting-edge software solutions

    • Building strong relationships with clients and stakeholders

    • Staying updated with the latest indu...

  • Answered by AI

Interview Preparation Tips

Round: Technical Interview
Experience: I couldn't find an optimal approach to the first question, so she skipped that question and proceeded to next questions. Remaining questions I have answered satisfactorily.

Round: Technical + HR Interview
Experience: I told that my strength is problem solving and I can always find a way when there is a bottle-neck. Gave some examples of my experiences while doing my assignments.

College Name: IIT Madras

Skills evaluated in this interview

Interview Questionnaire 

9 Questions

  • Q1. Explain the concepts of Object Oriented Programming
  • Ans. 

    Object Oriented Programming is a programming paradigm that uses objects to represent real-world entities.

    • Encapsulation: bundling data and methods that operate on that data within one unit

    • Inheritance: creating new classes from existing ones, inheriting their properties and methods

    • Polymorphism: ability of objects to take on multiple forms or behaviors

    • Abstraction: hiding complex implementation details and providing a simp...

  • Answered by AI
  • Q2. Give examples of abstraction and polymorphism
  • Ans. 

    Abstraction is hiding implementation details while polymorphism is using a single interface for multiple types.

    • Abstraction: Encapsulation, Interfaces, Abstract classes

    • Polymorphism: Method Overloading, Method Overriding, Interfaces

    • Abstraction Example: Car - we don't need to know how the engine works to drive it

    • Polymorphism Example: Animal - different animals have different sounds but they all have a 'makeSound' method

  • Answered by AI
  • Q3. A simple design question to design classes
  • Q4. What does PayPal do?
  • Ans. 

    PayPal is an online payment system that allows individuals and businesses to transfer funds electronically.

    • Allows users to make payments and money transfers online

    • Offers a secure and convenient way to pay for goods and services

    • Provides a platform for businesses to accept payments online

    • Offers buyer and seller protection for eligible transactions

    • Can be used to send and receive money internationally

  • Answered by AI
  • Q5. A simple Machine learning question to use thresholding
  • Q6. Questions about Software Defined Networking and my project in that field
  • Q7. Questions about my internships at a startup and USC
  • Q8. Am I considering going for masters
  • Q9. What makes you want to join PayPal?
  • Ans. 

    I am excited to join PayPal because of its innovative culture and impact on the global economy.

    • PayPal's commitment to innovation aligns with my passion for staying up-to-date with the latest technologies.

    • I am impressed by PayPal's global reach and impact on the economy, and I want to be a part of that.

    • I appreciate PayPal's focus on diversity and inclusion, and I believe in the importance of working for a company with s...

  • Answered by AI

Interview Preparation Tips

Round: Test
Experience: The aptitude test consisted of about 20 questions and had just 20 minutes. The questions were tough and you need speed to solve them. People preparing for CAT and other such exams should be able to perform better. The max score among my batch was 7 or 8.
The coding question was paper based and you had to write C code for a simple question on paper, but design was also taken into account for evaluating the code.
Tips: Both get disheartened if you don't do well in the aptitude.
Duration: 60 minutes
Total Questions: 21

Round: Technical Interview
Experience: The interview was more like a discussion rather than a question answer round. The discussion always went quite off the topic and the interviewer went on to ask other concepts of OS and networks etc.
Tips: Be thorough with the core concepts in subjects like OS and networks

Round: Technical Interview
Experience: This interview was a little more of marketing PayPal to me than an interview. He however slipped in the questions given above. The machine learning question was a little too obvious to apply thresholding and I wasted time trying to get better algorithms when he expected only thresholding.
Tips: Do not tell you are the topper if you are, because I did and he clearly said they don't hire toppers!

Round: HR Interview
Experience: This interview was more to get the truth out of me. I have a very research oriented profile and that was evident from my resume. The interview was to find out whether I would really join their company if offered.
Tips: If you have a high CG and research experience but still want to go for a job, make sure you tune your resume to prune out the research and only market the side which the company looks for, otherwise the company will reject you.

Skills: Computer Science Concepts, OS, Networks, OOP, Machine Learning
College Name: IIT HYDERABAD
Motivation: Just as a backup since I was indeed planning for a masters program. Highest paying package among the companies at that time.

Paytm Interview FAQs

How many rounds are there in Paytm Android Developer interview?
Paytm interview process usually has 1 rounds. The most common rounds in the Paytm interview process are Technical.
How to prepare for Paytm Android Developer 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 Paytm. The most common topics and skills that interviewers at Paytm expect are Kotlin, MVVM, Android, Java and Android SDK.
What are the top questions asked in Paytm Android Developer interview?

Some of the top questions asked at the Paytm Android Developer interview -

  1. How to set equal spacing between childs of constraint layo...read more
  2. What is context? Type of context in android, what are the differen...read more
  3. How garbage collector wor...read more

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Paytm Android Developer Interview Process

based on 2 interviews

1 Interview rounds

  • Technical Round
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Paytm Android Developer Salary
based on 34 salaries
₹16.4 L/yr - ₹28.4 L/yr
212% more than the average Android Developer Salary in India
View more details

Paytm Android Developer Reviews and Ratings

based on 2 reviews

4.2/5

Rating in categories

2.0

Skill development

1.0

Work-life balance

3.0

Salary

2.0

Job security

2.0

Company culture

3.0

Promotions

2.0

Work satisfaction

Explore 2 Reviews and Ratings
Team Lead
2.3k salaries
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₹0 L/yr - ₹0 L/yr

Senior Software Engineer
1.4k salaries
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₹0 L/yr - ₹0 L/yr

Software Engineer
1.4k salaries
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₹0 L/yr - ₹0 L/yr

Sales Executive
974 salaries
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₹0 L/yr - ₹0 L/yr

Senior Associate
915 salaries
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₹0 L/yr - ₹0 L/yr

Explore more salaries
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