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Paytm Sdet Interview Questions, Process, and Tips

Updated 30 Nov 2024

Top Paytm Sdet Interview Questions and Answers

Paytm Sdet Interview Experiences

4 interviews found

Sdet Interview Questions & Answers

user image Anonymous

posted on 30 Nov 2024

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

I was interviewed in May 2024.

Round 1 - Technical 

(2 Questions)

  • Q1. Strings anagram
  • Q2. Array sorting and remove duplicate

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare for java and backend api testing

Sdet Interview Questions & Answers

user image Anjani Gupta

posted on 12 Oct 2023

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via LinkedIn and was interviewed in Apr 2023. There were 3 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all Resume tips
Round 2 - Technical 

(4 Questions)

  • Q1. Swap two numbers without using a third integer.
  • Ans. 

    Swap two numbers without using a third integer

    • Use XOR operation to swap two numbers without using a third integer

    • Example: a = 5, b = 7. a = a XOR b, b = a XOR b, a = a XOR b

    • After swapping: a = 7, b = 5

  • Answered by AI
  • Q2. Overloading & Overriding
  • Q3. TestNG annotation
  • Q4. Jenkins Setup and how to configure a job and update the report to the team.
  • Ans. 

    Jenkins setup involves configuring jobs and updating reports for the team.

    • Install Jenkins on a server or local machine

    • Create a new job by selecting 'New Item' and choosing the job type

    • Configure the job by setting up build triggers, source code management, build steps, and post-build actions

    • Add plugins for reporting tools like JUnit or HTML Publisher to generate reports

    • Update the report by viewing the job's build histor...

  • Answered by AI
Round 3 - Technical 

(1 Question)

  • Q1. Reverse a integer
  • Ans. 

    Reverse an integer by converting it to a string and then reversing the string

    • Convert the integer to a string

    • Reverse the string

    • Convert the reversed string back to an integer

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Practice more coding

Skills evaluated in this interview

Sdet Interview Questions Asked at Other Companies

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Sdet Interview Questions & Answers

user image Anonymous

posted on 5 Mar 2024

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

(1 Question)

  • Q1. OOPS concepts, Framework Question
Round 2 - Coding Test 

API Scenarios, Java DSA questions,

Sdet Interview Questions & Answers

user image Anonymous

posted on 26 Jul 2024

Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Naukri.com and was interviewed before Jul 2023. There were 3 interview rounds.

Round 1 - Aptitude Test 

Medium level aptitude test

Round 2 - Coding Test 

Hard level coding test

Round 3 - HR 

(3 Questions)

  • Q1. Salary expectations
  • Q2. Preferred location
  • Ans. 

    Preferred location is Seattle, WA

    • Seattle, WA offers a great tech industry

    • Beautiful scenery and outdoor activities in the Pacific Northwest

    • Close proximity to mountains and water for outdoor enthusiasts

  • Answered by AI
  • Q3. Education qualifications

Paytm interview questions for designations

 Sdet-I

 (2)

 Sdet Lead

 (2)

 Sdet Automation Test Engineer

 (2)

 Software Engineer

 (51)

 Senior Software Engineer

 (37)

 Software Developer

 (35)

 QA Engineer

 (15)

 Devops Engineer

 (7)

Interview questions from similar companies

Sdet Interview Questions & Answers

PhonePe user image Anonymous

posted on 29 Aug 2024

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

(2 Questions)

  • Q1. JAVA String Anagram with O(n)
  • Q2. DSA Question Based on Linked List

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare Basic DSA well. String, Array, Hashing

Sdet Interview Questions & Answers

PhonePe user image Anonymous

posted on 29 Oct 2023

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

I applied via LinkedIn and was interviewed before Oct 2022. There were 4 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all Resume tips
Round 2 - Coding Test 

Automation, Backend Automation, API Test Automation.

Round 3 - Coding Test 

Java, OOPS concepts. Interfaces, Inheritance

Round 4 - One-on-one 

(2 Questions)

  • Q1. Previous role Discussion
  • Q2. What was the role of yours in last company? Explain your projects in detials?

Interview Preparation Tips

Topics to prepare for PhonePe Sdet interview:
  • API Test Automation
  • SQL
  • Java
  • Rest AUssured
Interview preparation tips for other job seekers - Prepare your resume well

I applied via HackerEarth and was interviewed in Apr 2022. There were 4 interview rounds.

Round 1 - Coding Test 

Online coding round which was based on dynamic programming and hashing

Round 2 - Coding Test 

Coding round based on data structure and algorithm like binary search ,hashing and string

Round 3 - One-on-one 

(1 Question)

  • Q1. Hiring manager round a bit hr question also has been covered
Round 4 - Automation 

(1 Question)

  • Q1. To design a automation framework what could be approach
  • Ans. 

    Approach for designing an automation framework

    • Identify the scope and requirements of the framework

    • Choose a suitable programming language and tools

    • Design the framework architecture and modules

    • Implement the framework and write test scripts

    • Integrate the framework with CI/CD pipeline

    • Continuously maintain and update the framework

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - To prepare on automation framework, project and binary search hashing string array

Skills evaluated in this interview

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

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Paytm Interview FAQs

How many rounds are there in Paytm Sdet interview?
Paytm interview process usually has 2-3 rounds. The most common rounds in the Paytm interview process are Technical, Coding Test and Resume Shortlist.
How to prepare for Paytm Sdet 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 Agile Methodology, Android, Automation Framework, Eclipse and Financial Services.
What are the top questions asked in Paytm Sdet interview?

Some of the top questions asked at the Paytm Sdet interview -

  1. Jenkins Setup and how to configure a job and update the report to the te...read more
  2. Swap two numbers without using a third integ...read more
  3. Reverse a inte...read more

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Paytm Sdet Interview Process

based on 5 interviews

Interview experience

3.8
  
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