GAIN Credit Software Engineer Interview Questions and Answers

It consist of 4 DSA ques and few quiz and opps concept based ques
1st was string based Medium level ques.
2nd was a ques based on 2 pointer
And other 2 was from Vector and Linked list easy ques

Q1. It was stock buy and sell ques on leetcode where we need to find Max profit and what day to buy and sell
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Q2. 2d array ques to print natural numbers in spiral form
Ans. 
Print natural numbers in spiral form using a 2D array.
• Create a 2D array with dimensions n x n.

• Initialize variables for row and column boundaries.

• Iterate through the array in a spiral pattern, filling in natural numbers.
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Q3. Hard level linked list ques
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Technical sql questions

Oops concept and sql db questions

Q1. Dependency injection
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Coding simple problem

Q1. Prepare for normal system design questions and you are good to go
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Q1. Sql unix transactions flow
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Q2. Sql Java ATM POS transactions flow
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Q1. Introduce yourself
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Q2. Describe your project and the tools and technologies you have used in your project.
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Q3. What is multitenancy in your project? How did you handle it?
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Q4. Question about stored procedures and how parameters are used
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Q5. Questions about spring framework and MVC.
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Q6. Have you used jQuery? What is $ in Jquery?
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Q1. What is your current CTC?
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Q2. What is your Expected CTC?
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Q3. Why are you willing to join us?
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Q4. Are you willing to relocate?
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Easy coding questions DSA

Q1. Reverse a linked list
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Q2. Find middle of linked list
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Q1. Pick from a basket of oranges
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Q1. Question was related to Java like difference between abstract class and interface,how linked list ,hash map ,arraylist work internally
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Q2. Question related to spring boot like @autowired annotations, how spring boot is different from spring
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Q3. Coding questions: reverseString ,factorial using Recursion only,how to find middle element in LL
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Q1. Some basic questions related to JS and Java both
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Q2. Managerial related questions,
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Q1. Promises ,async and await related questions
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Q2. Question related to API ,and scenario based questions
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Exam to test reasoning and aptitude, and speed to answer them

Dsa question easy to medium level

Q1. Just culture fit question, and medium dsa questions
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Q2. Print pyramid from Fibonacci sequence
Ans. 
Print pyramid from Fibonacci sequence
• Generate Fibonacci sequence up to a certain number

• Use the Fibonacci numbers to create the pyramid structure

• Print each row of the pyramid with appropriate spacing
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Q3. Linked list sort
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Q4. Design SQL tables for library management system
Ans. 
Design SQL tables for library management system
• Create tables for books, authors, members, transactions, etc.

• Use primary and foreign keys to establish relationships between tables

• Include columns like book title, author name, member ID, due date, etc.
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Q5. Valid bracket dsa question
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