Vyapar Software Developer Interview Questions and Answers

Q1. Questions were completely based on data structures and algorithm
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Q2. SQL based questions were also asked
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Java internals, coding questions 2sum

Q1. Hld of your previous project
Ans. 
Developed a web-based project management tool for tracking tasks and deadlines.
• Used React.js for front-end development

• Implemented RESTful APIs for backend using Node.js and Express

• Utilized MongoDB for database storage

• Incorporated authentication and authorization features for user security
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Q2. Question related to self build projects
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Q1. Salary negotiation
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Q2. Location constrain if any
Ans. 
Open to relocation for the right opportunity
• Willing to relocate for the right job opportunity

• Flexible with location for the right role

• Open to considering different locations for the right position
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Q1. To print all permutation of a string
Ans. 
Use recursion to generate all possible permutations of a given string.
• Use recursion to swap characters in the string to generate permutations

• Keep track of visited characters to avoid duplicates

• Base case: when the length of the string is 1, add it to the result array
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Q1. Coin change Problem of finding number of ways to achieve K value
Ans. 
The coin change problem involves finding the number of ways to make a certain value using a given set of coins.
• Use dynamic programming to solve the coin change problem efficiently.

• Create a 1D array to store the number of ways to make each value from 0 to the target value.

• Iterate through the coins and update the array based on the current coin's value.

• The final answer will be stored in the last element of the array.

• Exam...read more
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Q1. Suduko solver question is given to me
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Basics of aptitude questions like relation,train,boat, probability,number series , and so on...

String occurrence, array list

Q1. Man crossing a bridge
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Q2. Wrong label on the boxes
Ans. 
The wrong label on the boxes can cause confusion and errors in the software development process.
• Ensure proper labeling of boxes to avoid confusion

• Double check labels before using them in the development process

• Communicate with team members to clarify any discrepancies in labeling
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It was the ask mostly about DSA

There were 5 question out of which 2 were coding Data Structure problems , 1 was SQL based , 1 was AI based Problem ( Machine Learning ) and 1 was to create UML Diagram.
First Coding question was pretty easy , other one was kinda tough , UML Diagram was also easy and SQL query was of moderate level.