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Paytm Senior Software Engineer Interview Questions, Process, and Tips
Top Paytm Senior Software Engineer Interview Questions and Answers
- Q1. Search In Rotated Sorted Array Problem Statement Given a sorted array of distinct integers that has been rotated clockwise by an unknown amount, you need to search for a ...read more
- Q2. Reverse Alternate K Nodes Problem Statement You are given a singly linked list of integers along with a positive integer 'K'. The task is to modify the linked list by re ...read more
- Q3. What are the best and worst solutions for the coding problem "Longest Substring Without Repeating Characters," including a detailed explanation of each solution along wit ...read more
Paytm Senior Software Engineer Interview Experiences
37 interviews found
Anonymous
Selected
I applied via Approached by Company and was interviewed before Mar 2023. There were 4 interview rounds.
Easy to medium | LC problem on array strings
(1 Question)
- Q1. Easy to medium | Java concept
(1 Question)
- Q1. Design round | Design a notification service
- Ans.
Design a notification service for sending real-time alerts to users.
Use a scalable messaging system like Kafka or RabbitMQ to handle high volume of notifications.
Implement a user preference system to allow users to choose their preferred notification channels (email, SMS, push notifications, etc).
Include a scheduling feature to send notifications at specific times or intervals.
Ensure notifications are personalized and ...
(1 Question)
- Q1. HR for salary negotiation
Interview Preparation Tips
Skills evaluated in this interview
Selected
I applied via Naukri.com and was interviewed before Feb 2023. There were 3 interview rounds.
(1 Question)
- Q1. Oops concepts explanation with framework
- Ans.
Explanation of OOP concepts with framework
OOP concepts include encapsulation, inheritance, and polymorphism
Encapsulation allows bundling of data and methods into a single unit
Inheritance enables the creation of new classes based on existing ones
Polymorphism allows objects of different classes to be treated as the same type
Frameworks provide a structure and set of tools for developing software applications
Frameworks oft...
(1 Question)
- Q1. Framework explantion and implementation
(1 Question)
- Q1. Techno managerial questions asked
Skills evaluated in this interview
Prabhat Ahar
Selected
I applied via Referral and was interviewed before Mar 2023. There were 4 interview rounds.
Android topics and basics of DSA. Coding question related to DSA medium level.
Android topics and basics of DSA. Coding question related to DSA medium level.
This was taken by manager and included topics related to security and few concepts/practices implementation in Android/ Google architecture like firebase messaging deep diving, crashlytics deep diving and its working, etc. Coding question related to DSA medium level.
(1 Question)
- Q1. Pure salary bargaining round.
Interview Preparation Tips
What people are saying about Paytm
Selected
I applied via Approached by Company and was interviewed before Feb 2023. There were 3 interview rounds.
Leetcode medium question
(2 Questions)
- Q1. HLD Design along with LLD
- Ans.
HLD (High-Level Design) and LLD (Low-Level Design) are two stages in software design process.
HLD focuses on system architecture and overall design.
LLD focuses on detailed design of individual components.
HLD defines the structure and behavior of the system.
LLD defines the implementation details of each component.
HLD is more abstract and conceptual.
LLD is more concrete and specific.
HLD helps in understanding the system's...
- Q2. Design movie ticket system
- Ans.
Design a movie ticket system
Create a database to store movie details, showtimes, and seat availability
Implement a user interface for customers to select movies, seats, and purchase tickets
Develop a ticketing algorithm to handle seat reservations and prevent double bookings
Include features like seat selection, payment processing, and ticket confirmation
Consider scalability and performance for handling high traffic durin
(1 Question)
- Q1. Basic HR Questions
Skills evaluated in this interview
Paytm interview questions for designations
Garima Mangal
Selected
I applied via Naukri.com and was interviewed before Jul 2023. There were 2 interview rounds.
Coding test
java question were asked
(1 Question)
- Q1. Project related question
Get interview-ready with Top Paytm Interview Questions
I applied via Approached by Company and was interviewed in May 2022. There were 3 interview rounds.
(1 Question)
- Q1. Mvvm, Design patterns, Java, Kotlin, Solid principal, Agile.
Array Based coding questions.
(1 Question)
- Q1. It was techno managerial round he asked for some technical and basic details.
Interview Preparation Tips
Concise and complete.
Be confident about your concepts.
I applied via Naukri.com and was interviewed in Oct 2021. There were 3 interview rounds.
Interview Questionnaire
6 Questions
- Q1. Find transpose of given square matrix
- Ans.
Transpose of a square matrix
Iterate through each row and column of the matrix
Swap the elements at (i,j) and (j,i) positions
Return the transposed matrix
- Q2. Rotate Given 2D matrix 90' anticlockwise.
- Ans.
Rotate a 2D matrix 90' anticlockwise
Transpose the matrix
Reverse each row of the transposed matrix
Alternatively, swap elements in each row with their corresponding elements in the opposite row
Time complexity: O(n^2), Space complexity: O(1)
- Q3. Explain streams in java
- Ans.
Streams in Java are a sequence of elements that can be processed in parallel or sequentially.
Streams are used to perform operations on collections of data.
They can be used to filter, map, reduce, and sort data.
Streams can be processed in parallel to improve performance.
Examples include using streams to filter a list of names or map a list of numbers to their squares.
- Q4. Explain lambda expression in java
- Ans.
Lambda expression is a concise way to represent anonymous functions in Java.
Lambda expressions were introduced in Java 8.
They are used to implement functional interfaces.
They reduce the amount of boilerplate code needed for anonymous classes.
Syntax: (parameters) -> expression or (parameters) -> { statements; }
Example: (x, y) -> x + y or (x, y) -> { return x + y; }
- Q5. What is mean by indexing in database
- Ans.
Indexing in database is a way to optimize search queries by creating a data structure that allows for faster retrieval of data.
Indexing involves creating a separate table that contains the indexed columns and their corresponding row locations.
Indexes can be created on one or multiple columns.
Indexes can be clustered or non-clustered.
Examples of indexing include primary keys, foreign keys, and unique constraints.
- Q6. Disadvantages of indexing
- Ans.
Indexing can lead to increased storage requirements and slower write performance.
Indexing can increase the size of the database as additional data structures are created to support the index.
Indexes can slow down write operations as the database must update both the data and the index.
Indexes can become fragmented over time, leading to decreased performance.
Indexes can also lead to increased memory usage and CPU overhe...
Interview Preparation Tips
1st round online assessment which will be having 2 questions.
2nd round will be technical round basically focuses on DSA.
3rd round also will be technically which focuses on basics of java,system design and DSA
4th round will be hr
Skills evaluated in this interview
I applied via LinkedIn and was interviewed in Apr 2022. There was 1 interview round.
(2 Questions)
- Q1. Rooms and keys leetcode
- Q2. Agents and village range based
Interview Preparation Tips
Selected
I was interviewed before Feb 2023.
(1 Question)
- Q1. Leetcode 2 sum question and simple selenium question like taking a screenshot
Interview Preparation Tips
I applied via LinkedIn and was interviewed in Jan 2022. There were 4 interview rounds.
(1 Question)
- Q1. Coding and scenario based questions were there
(1 Question)
- Q1. Scenario Based questions
(1 Question)
- Q1. HR discuss......
Interview Preparation Tips
Paytm Interview FAQs
Some of the top questions asked at the Paytm Senior Software Engineer interview -
The duration of Paytm Senior Software Engineer interview process can vary, but typically it takes about less than 2 weeks to complete.
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Paytm Senior Software Engineer Interview Process
based on 33 interviews
4 Interview rounds
- Technical Round - 1
- Technical Round - 2
- Technical Round - 3
- HR Round
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Paytm Senior Software Engineer Reviews and Ratings
based on 132 reviews
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Team Lead
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Senior Software Engineer
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Software Engineer
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