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Paytm Full Stack Developer Interview Questions, Process, and Tips
Top Paytm Full Stack Developer Interview Questions and Answers
- Q1. Sub Sort You are given an integer array ‘ARR’. You have to find the length of the shortest contiguous subarray such that, if you sort this subarray in ascending order, th ...read more
- Q2. Sort 0 1 2 You have been given an integer array/list(ARR) of size 'N'. It only contains 0s, 1s and 2s. Write a solution to sort this array/list. Note : Try to solve the p ...read more
- Q3. LCA In A BST You are given a binary search tree of integers with N nodes. You are also given references to two nodes P and Q from this BST. Your task is to find the lowes ...read more
6 Paytm Full Stack Developer Interview Experiences
36 questions found
CodingNinjas
I was interviewed in Aug 2021.
4 Interview Rounds
Coding Test Round (2 Questions)
Round duration - 70 minutes
Round difficulty - Medium
There were 3 problems 1 was easy and 2 were of medium types.
- Q1. Odd even level Given a binary tree. Find and return the modulus of the difference between the sum of odd level nodes and the sum of even level nodes. Input form...read more View Answers (2)
- Q2. Rotting Oranges You have been given a grid containing some oranges. Each cell of this grid has one of the three integers values: Value 0 - representing an empty...read more View Answers (2)
Video Call Round (1 Question)
Round duration - 50 minutes
Round difficulty - Medium
the interviewer was very polite and straightforward, he didn't ask me to introduce myself and he directly jumps to the coding problems.
What is new about the relationship between the and tags in HTML5?
Explain Components, Modules and Services in Angular
- Q1. Circular Move You have a robot currently standing at the origin (0, 0) of a two-dimensional grid and facing north direction. You are given a sequence of moves f...read more View Answers (1)
Video Call Round (2 Questions)
Round duration - 70 minutes
Round difficulty - Easy
What is a View in sql? What are the TRUNCATE, DELETE and DROP statements?
- Q1. Rotate matrix by 90 degrees You are given a square matrix of non-negative integers 'MATRIX'. Your task is to rotate that array by 90 degrees in an anti-...read more View Answers (2)
- Q2. Minimum Characters For Palindrome Given a string STR of length N. The task is to return the count of minimum characters to be added at front to make the string ...read more View Answers (2)
HR Round (1 Question)
Round duration - 20 minutes
Round difficulty - Easy
- Q1. Basic HR Questions
Tell me about yourself?
What do you know about Paytm?
What are your strength and weaknesses?
Job location preference?Add Answer
Interview Preparation Tips
Tip 1 : Deep knowledge of the projects mentioned in your resume is a must.
Tip 2 : Practice as many problems as you can from leetcode.
Tip 1 : mention 1 or 2 projects in your resume.
Tip 2 : don't put false things in your resume.
Skills evaluated in this interview
I was interviewed in Aug 2021.
4 Interview Rounds
Coding Test Round (3 Questions)
Round duration - 70 minutes
Round difficulty - Medium
The test started around 3 pm and was of 70 minutes. 3 coding questions were asked which were mainly on trees and number theory.
- Q1. Factorial of a Number Write a program to find the factorial of a number. Factorial of n is: n! = n * (n-1) * (n-2) * (n-3)....* 1 Output the factorial of 'n...read more View Answers (2)
- Q2. Next Greater Element For a given array/list of integers of size N, print the Next Greater Element(NGE) for every element. The Next Greater Element for an elemen...read more View Answers (2)
- Q3. Ceil from BST Ninja is given a binary search tree and an integer. Now he is given a particular key in the tree and returns its ceil value. Can you help Ninja so...read more View Answers (1)
Video Call Round (2 Questions)
Round duration - 60 minutes
Round difficulty - Medium
Interviewer was very friendly and supportive. My interview happened on google meet. What is a View? What is Denormalization? Difference between “==” and “===” operators in js.
- Q1. Sub Sort You are given an integer array ‘ARR’. You have to find the length of the shortest contiguous subarray such that, if you sort this subarray in ascending...read more View Answers (4)
- Q2. Sort 0 1 2 You have been given an integer array/list(ARR) of size 'N'. It only contains 0s, 1s and 2s. Write a solution to sort this array/list. Note : ...read more View Answers (3)
Video Call Round (2 Questions)
Round duration - 60 minutes
Round difficulty - Medium
What are some of the advantages of Angular over other frameworks?
- Q1. Check If Two Nodes Are Cousins You are given an arbitrary binary tree consisting of N nodes, where each node is associated with a certain value, and two node va...read more View Answers (2)
- Q2. OS Questions
What is spooling?
What are the conditions for deadlock to occur?Add Answer
HR Round (3 Questions)
Round duration - 10 minutes
Round difficulty - Easy
I got a call from HR in the evening around 6:30 pm.
- Q1. Basic HR Question
Tell me about yourself?
View Answers (1) - Q2. Basic HR Question
How was your experience with previous two tech rounds?
View Answers (1) - Q3. Basic HR Question
What do you know about Paytm?
View Answers (1)
Interview Preparation Tips
Tip 1 : Practice at least 350 questions to have good hold on data structures
Tip 2 : Practice at least 100 - 150 company specific coding questions.
Tip 3 : Try to give timing contests to build up your speed.
Tip 1 : Keep your resume only of 1 page
Tip 2 : Showcase your major projects on the top
Skills evaluated in this interview
Get interview-ready with top interview questions
I was interviewed before Mar 2021.
1 Interview Round
Coding Test Round (2 Questions)
Round duration - 70 minutes
Round difficulty - Easy
there was some coding questions and some mcqs related to js, html, css, java and aptitude.
- Q1. Bridges In A Graph Given an undirected graph of V vertices and E edges. Your task is to find all the bridges in the given undirected graph. A bridge in any grap...read more View Answers (2)
- Q2. House Robber Mr. X is a professional robber planning to rob houses along a street. Each house has a certain amount of money hidden. All houses along this street...read more View Answers (2)
Interview Preparation Tips
Tip 1 : Do 300+ questions on IB or leetcode or gfg
Tip 2 : Must do DSA course of coding ninjas for clear understanding
Tip 3 : Must complete CS subjects also
Tip 1 : not add too much things
Tip 2 : be confident that you write in CV
I was interviewed before Mar 2021.
4 Interview Rounds
Coding Test Round (3 Questions)
Round duration - 90 minutes
Round difficulty - Medium
It was in the evening, at around 3 - 4 PM. There were 3 coding questions. One easy, two moderate ones. The platform had autocomplete feature too.
- Q1. Parity Move Ninja recently studied odd and even numbers but he is more interested in even numbers. He has an array ‘A’ containing ‘N’ integers. He will transfor...read more View Answers (2)
- Q2. Anagram Pairs Pre-requisites: Anagrams are defined as words or names that can be formed by rearranging letters of another word. Such as "spar" can be ...read more View Answers (2)
- Q3. LCA In A BST You are given a binary search tree of integers with N nodes. You are also given references to two nodes P and Q from this BST. Your task is to find...read more View Answers (3)
Video Call Round (3 Questions)
Round duration - 50 Minutes
Round difficulty - Medium
They asked 2 coding questions and 2 sql queries in this round
- Q1. Longest Palindromic Substring Given a string ’S’ consisting of lower case English letters, you are supposed to return the longest palindromic substring of ‘S’. ...read more View Answers (3)
- Q2. Trapping Rain Water You have been given a long type array/list 'ARR' of size 'N'. It represents an elevation map wherein 'ARR[i]' denote...read more View Answers (3)
- Q3. SQL Question
A nested SQL query
Add Answer
Video Call Round (2 Questions)
Round duration - 50 Minutes
Round difficulty - Medium
This round was about OS, networking and my projects. What are the different ways to style a React component?
Name a few techniques to optimize React app performance.
- Q1. OS Questions
Theory questions about OS . Multithreading, Scheduling Algorithms
Add Answer - Q2. Puzzle There are 12 coins. 11 of them have same weight and one is light in weight than others. We have a weighing balance. Find the minimum times we have to bal...read more Add Answer
HR Round (1 Question)
Round duration - 30 Minutes
Round difficulty - Easy
It was a fun round, in which they ask about your preferences about programming languages, technologies or your hobbies. If you reach this round, it means that your chances of selection are 99%.
- Q1. Basic HR Question
What was the biggest hurdle you faced while developing a project
View Answers (1)
Interview Preparation Tips
Tip 1 : If weak in coding, enroll for Coding Ninjas eminence course
Tip 2 : Practice everyday, atleast 2- 3 questions
Tip 3 : Participate in weekly coding contests on leetcode
Tip 1 : Keep in One page
Tip 2 : Don't mention your hobbies, recruiters are not interested in them and moreover hobbies take up space
Tip 3 : Have some unique projects on your resume. The projects should be self made, not from code-along sessions from youtube.
Skills evaluated in this interview
Paytm interview questions for designations
I was interviewed before Mar 2021.
4 Interview Rounds
Coding Test Round (1 Question)
Round duration - 90 Minutes
Round difficulty - Easy
MCQ based on web and oops.
- Q1. Subtree of Another Tree Given two binary trees T and S, check whether tree S has exactly the same structure and node values with a subtree of T, i.e., check if ...read more View Answers (3)
Video Call Round (1 Question)
Round duration - 50 Minutes
Round difficulty - Easy
This round involved a discussion of a project I had undertaken recently and a coding problem. How does an Angular application work? List out differences between AngularJS and Angular
- Q1. Count Ways To Reach The N-th Stairs You have been given a number of stairs. Initially, you are at the 0th stair, and you need to reach the Nth stair. Each time ...read more View Answers (5)
Video Call Round (5 Questions)
Round duration - 80 Minutes
Round difficulty - Medium
The interview mostly focused on coding problems and Java-related concepts.
- Q1. Java Question
How is Linked List Implemented in java and when will you prefer it over ArrayList
Add Answer - Q2. Prerequisite Task You are given a positive integer ‘N’ denoting the number of tasks you need to finish. You can directly start performing any task, but some tas...read more View Answers (2)
- Q3. OOPS Questions
OOPs Questions,
Discussion on Singelton Design PatternAdd Answer - Q4. DBMS Questions
What is Normalisation and different Normal Forms for a Relational Table?
What is Indexing?
A discussion on Fn. dependenciesAdd Answer - Q5. Kth Smallest and Largest Element of Array You are given an array ‘Arr’ consisting of ‘N’ distinct integers and a positive integer ‘K’. Find out Kth smallest and...read more View Answers (4)
Video Call Round (1 Question)
Round duration - 30 Minutes
Round difficulty - Easy
This was the Hiring Manager Round. What is a Primary Key? What is a Cross-Join? What is the difference between Clustered and Non-clustered index?
- Q1. Search In A Row Wise And Column Wise Sorted Matrix You are given an N * N matrix of integers where each row and each column is sorted in increasing order. You a...read more View Answers (3)
Interview Preparation Tips
Tip 1 : Practice Standard Dynamic Programming and Graph Theory Questions
Tip 2 : If you know Java, Be well versed with Fundamentals
Tip 3 : Have atleast one Good Project you can talk about
Tip 1 : Keep it Concise
Tip 2 : Only Mention Stuff you know
Skills evaluated in this interview
I was interviewed in Sep 2020.
4 Interview Rounds
Interview Questions
- Q1. At first round, its programming round. It will be easy to solve. next will be a technical round, they concentrate on data structure and indepth concepts in the ...read more
Add Answer
Interview Preparation Tips
Top trending discussions
Interview questions from similar companies
Full Stack Developer Interview Questions
Broadridge Financial Solutions
Anonymous
posted on 1 Oct 2024
I applied via Approached by Company and was interviewed in Sep 2024.
1 Interview Round
Technical Round (2 Questions)
- Q1. Sal queries simeple data structure question finding largest number in am array. Add Answer
- Q2. Solid principal Add Answer
Interview Preparation Tips
5 Interview Rounds
Aptitude Test Round
It will be a basic maths questions.
Group Discussion Round
As a general topic of trend in world.
Coding Test Round
To be known for programming knowledge about us.
Technical Round (2 Questions)
- Q1. Programming oridanited Add Answer
- Q2. Skill knowledge questions Add Answer
HR Round (2 Questions)
- Q1. Tell me about your self. Add Answer
- Q2. Family background . Add Answer
Interview Preparation Tips
1 Interview Round
One-on-one Round (2 Questions)
- Q1. What are the java 1.8 features? View Answers (1)
- Q2. Write program to print element sorting by using java 8 feature. View Answers (1)
Skills evaluated in this interview
I was interviewed in Jul 2021.
4 Interview Rounds
Coding Test Round (2 Questions)
Round duration - 120 Minutes
Round difficulty - Medium
This was a coding round conducted from 12 PM to 2 PM and it was not proctored but we could not switch the tabs. There were 2 coding questions each of 100 marks. The MCQ had HTML,CSS, JS, SQL, Coding and aptitutude questions.
- Q1. N Queens You are given an integer 'N'. For a given 'N' x 'N' chessboard, find a way to place 'N' queens such that no queen can a...read more View Answers (2)
- Q2. Rearrange String You are given a string “S”. Your task is to rearrange the characters of a string “S”, such that it does not contain any two adjacent characters...read more View Answers (4)
Video Call Round (2 Questions)
Round duration - 60 minutes
Round difficulty - Easy
There were two interviewers. They started by asking me to introduce myself and asked me to explain any one of my projects in my resume and after that, they asked me about the ML algorithms used in my project and about the difficulties faced. What is NaN property in JavaScript? This took around 10 minutes. They also asked 2 coding questions.
It was conducted at 10 AM on CodePair and MS Teams. Interviewers were friendly.
- Q1. Group Anagrams Together You have been given an array/list of strings 'STR_LIST'. You are supposed to return the strings as groups of anagrams such that ...read more View Answers (3)
- Q2. Friends Pairing Problem You are given an integer ‘N’, which denotes there are ‘N’ friends. You are supposed to form some pairs them satisfying the following con...read more View Answers (4)
Video Call Round (2 Questions)
Round duration - 60 Minutes
Round difficulty - Medium
There were 2 questions based on data structures, the round started from 1.15 PM .Some SQL questions like What is a Subquery? What are its types? What are UNION, MINUS and INTERSECT commands?
- Q1. Vertical Order Traversal The Ultimate Ninja Ankush is a straightforward, no-nonsense guy and loves binary Trees, and he has given you a binary tree, and you hav...read more View Answers (1)
- Q2. Divide Two Integers You are given two integers ‘dividend’ and ‘divisor’. You are required is to divide the integers without using multiplication, division and m...read more View Answers (2)
HR Round (1 Question)
Round duration - 30 Minutes
Round difficulty - Easy
The round was at 7.30 PM and I was asked to introduce myself and we had basic talk on where I live and my interests. I asked about the work culture and about the role at the end.
- Q1. Puzzle
He showed a puzzle where n-balloons were there and I had to burst maximum balloons using an arrow.
View Answers (1)
Interview Preparation Tips
Tip 1 : Practice atleast 400 questions of leetcode topics wise.
Tip 2 : Participate in hackathons.
Tip 3 : Have 2 good projects atleast and be very good in project concepts.
Tip 1 : Have good projects in your resume and have clear idea of what you have done in those.
Tip 2 : Mention languages, frameworks, subjects only when you have proper hold on them, don't mention things you don't know properly.
Skills evaluated in this interview
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