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JUSPAY Software Developer Interview Questions and Answers
JUSPAY Software Developer Interview Experiences
5 interviews found
Anonymous
I applied via Campus Placement and was interviewed in Feb 2024. There were 3 interview rounds.
They have their own coding platform. The questions are basically from tree.
Tree of space question
(2 Questions)
- Q1. Previous round question solution
- Q2. System design was asked.
Interview Preparation Tips
- tree
- graph
- system design
3 Graph Questions Were asked of difficulty medium to hard.
Hackathon round which revolved around multithreading
CodingNinjas
I was interviewed in Apr 2021.
(2 Questions)
Round duration - 90 minutes
Round difficulty - Hard
Timing was late evening. Platform was good.
- Q1. Largest Cycle
You are given a maze consisting of N cells numbered from 0 to N - 1 and an array ‘arr’ of N integers in which arr[i] contains the cell number that can be reached from ‘i’th cell in one step. ...
- Ans. DFS
The idea is to do a depth-first search to find all the cycles which are formed and calculate the length of the largest cycle. We are treating the array as a graph of directed edges. Whenever we get into any of the cells in the cycle, using dfs we will visit all the subsequent cells in the cycle. Out of all the cycles, we will return the cycle of maximum length.
The steps are as follows:
- Initialize a boolean array ‘vis...
- Q2. Ninja and the Maze
Ninja went to an amusement park and visited a maze. Now, he is stuck in the maze. He can go in any direction(Up, Down, Left, or Right) from this point, but he cannot change his direction...
- Ans. Depth First Search
- Ninja can move in at most four directions i.e left, right, up, and down.
- We will take a 2-D array ‘directions’ of size 4 x 2 in which the first column denotes the shift in the horizontal direction and the second column denotes a shift in the vertical direction.
We will store all the four directions { (0,1) (0,-1) ( 1,0) ( -1,0 ) )} in 2-d array.
- In each direction, Ninja continues to m...
Interview Preparation Tips
Tip 1 : Do some projects.
Tip 2 : Practice dynamic programming.
Tip 1 : Keep it short.
Tip 2 : Do not put false things on resume.
Skills evaluated in this interview
I was interviewed in Apr 2021.
(1 Question)
Round duration - 90 minutes
Round difficulty - Hard
Timing was late evening . Platform was good.
- Q1. Largest Cycle
You are given a maze consisting of N cells numbered from 0 to N - 1 and an array ‘arr’ of N integers in which arr[i] contains the cell number that can be reached from ‘i’th cell in one step. ...
- Ans. DFS
The idea is to do a depth-first search to find all the cycles which are formed and calculate the length of the largest cycle. We are treating the array as a graph of directed edges. Whenever we get into any of the cells in the cycle, using dfs we will visit all the subsequent cells in the cycle. Out of all the cycles, we will return the cycle of maximum length.
The steps are as follows:
- Initialize a boolean array ‘vis...
Interview Preparation Tips
Tip 1 : Do some projects
Tip 2 : Be good in data structure
Tip 1 : Keep it short
Tip 2 : Don't try to add false things.
JUSPAY interview questions for designations
I was interviewed in Mar 2021.
(1 Question)
Round duration - 90 minutes
Round difficulty - Medium
The coding round was 90 minutes with 2 question and the difficulty was mid-range and both were graph question
- Q1. Rat In A Maze
You are given a starting position for a rat which is stuck in a maze at an initial point (0, 0) (the maze can be thought of as a 2-dimensional plane). The maze would be given in the form of a...
- Ans. Bactracking
Approach: We can start the traversal of the paths from the rat’s starting position, i.e. (0,0) keeping track of the visited cells during the traversal. We will recursively go through all the paths possible until the last index of the grid (destination) is reached, and add the path information using which the rat successfully reached the end.
Algorithm is as follows:
- Take the starting position of th...
Interview Preparation Tips
Tip 1 : Practice question and try to understand with using javascript
Tip 2 : The Elm Architecture.
Tip 3 : Project matters
Tip 1 : Have web development project
Tip 2 : learn purescript and node.js
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Interview questions from similar companies
I applied via Campus Placement and was interviewed in Aug 2024. There were 2 interview rounds.
Computer Fundamentals
(1 Question)
- Q1. Flatten a binary tree
- Ans.
Flatten a binary tree by converting it into a linked list in-place.
Use a recursive approach to flatten the binary tree.
Traverse the tree in a pre-order manner and keep track of the previous node.
Set the left child of each node to null and the right child to the next node in the linked list.
Example: Input: 1 -> 2 -> 5 -> 3 -> 4 -> null, Output: 1 -> null -> 2 -> null -> 3 -> null -> 4 -> null -> 5 -> null
Skills evaluated in this interview
Selected
I applied via LinkedIn and was interviewed in Oct 2024. There were 2 interview rounds.
Solving normal Puzzles to test aptitude.
Sample app was asked to create.
Interview Preparation Tips
Leecode medium level question
Leetcode Hard level Question
(1 Question)
- Q1. This is cto round asked some interview questions
Selected
I applied via LinkedIn and was interviewed before May 2023. There were 3 interview rounds.
That would be online Test with 12 questions MCQ and 1 coding question. 12 MCQ questions would be related to technology and bascis, coding question would alos be basic
(5 Questions)
- Q1. All Technical related, mostly related to swift ARC, Queues, Threading, unit test cases
- Q2. Concepts of memory ARC in Swift
- Ans.
Memory ARC in Swift manages memory by automatically deallocating objects when they are no longer needed.
ARC stands for Automatic Reference Counting
ARC keeps track of how many references exist to an object
When the reference count drops to zero, the object is deallocated
Weak references are used to avoid retain cycles
- Q3. Generics in Swift
- Ans.
Generics in Swift allow you to write flexible, reusable functions and types that can work with any type.
Generics enable you to write functions and types that can work with any type, without specifying the actual type until the function or type is used.
You can define generic functions, methods, classes, structures, and enumerations in Swift.
Example: func swapTwoValues
(_ a: inout T, _ b: inout T) { let temp = a; a = b; b...
- Q4. MVC vs MVVM in swift
- Ans.
MVC focuses on separating data, presentation, and user interaction, while MVVM adds a ViewModel to handle logic and data binding.
MVC stands for Model-View-Controller, where the controller handles user input, the model manages data, and the view displays the data. Example: UIKit in iOS development.
MVVM stands for Model-View-ViewModel, where the ViewModel acts as an intermediary between the model and view, handling data ...
- Q5. Optionals, Protocols and Delegates, LifeCycle
An app with Login screen with authentication in MVVM
Selected
I applied via campus placement at National Institute of Technology,(NIT), Delhi and was interviewed before Mar 2023. There were 3 interview rounds.
Kadance algorithm and find the middle of the linklist
More on java and Python based coding questions
(4 Questions)
- Q1. Behavioural questions were asked
- Q2. What are your expectations from this job
- Q3. What are your plans ahead
- Q4. Where do you see yourself in 5 years ahead
Interview Preparation Tips
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