Airdit Software Services Software Engineer Trainee Interview Questions and Answers

Data structure and aptitude

10 mins given for prepare for the problem and after completing the problem (program ) they asked to explain and asked to upgrade the program by reduce time complexity

Q1. Topic given and want to explain
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Q2. Reverse string without buildin funtion and for loop
Ans. 
Reverse a string without using built-in functions or for loops
• Use recursion to reverse the string

• Pass the substring excluding the first character to the recursive function

• Base case: return the character itself if the length of the string is 1

• Concatenate the last character of the string with the result of the recursive call
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Q1. Introduce your self
Ans. 
I am a passionate software developer with experience in Java, Python, and web development.
• Experienced in Java and Python programming languages

• Skilled in web development technologies like HTML, CSS, and JavaScript

• Worked on projects involving database management with SQL
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Q2. Are you ok with agreement
Ans. 
Yes, I am okay with agreement.
• I am comfortable with signing agreements related to software development projects.

• I understand the importance of agreements in protecting both parties involved in a project.

• I am willing to review and negotiate agreements to ensure they are fair and reasonable.
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Q1. Basic questions on PHP
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Q2. Some difficult questions and program to write in online editor
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Q1. Asked a few Hard questions and project related questions
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Q2. Program to write on online editor Parenthesis matching and flight ticket booking
Ans. 
Program to write on online editor with parenthesis matching and flight ticket booking functionality.
• Create a program that allows users to write and edit text online.

• Implement a feature to match parentheses in the text.

• Include functionality for users to book flight tickets.

• Ensure the program is user-friendly and efficient in handling both tasks.

• Example: Use HTML, CSS, and JavaScript to create the online editor with pare...read more
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Q1. Normal managerial round, go through company website before this round
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Q1. Find in rotated sorted array
Ans. 
Search for a target value in a rotated sorted array.
• Use binary search to find the pivot point where the array is rotated.

• Determine which half of the array the target value lies in based on the pivot point.

• Continue binary search in the appropriate half of the array to find the target value.
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Q2. Design IMDB. how will you manage concurrent ratings
Ans. 
Design IMDB with concurrent ratings management
• Implement a locking mechanism to ensure only one user can update a rating at a time

• Use a queue system to handle multiple rating requests in an orderly manner

• Consider using distributed systems to handle high concurrency levels
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Q1. Design vehicle rental system. Api design
Ans. 
Design a vehicle rental system API
• Create endpoints for listing available vehicles, booking a vehicle, and returning a vehicle

• Include authentication and authorization mechanisms for users and admins

• Implement payment gateway integration for processing rental payments

• Include features like vehicle search, filtering, and reviews/ratings

• Consider scalability and performance optimizations for handling high traffic
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Asked some medium level SQL questions

Q1. Everything that the HR asks
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Frontend development with react

Q1. Few basic question on python
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Q2. Some coding questions
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Based on your CV and basic python questions and coding test and few HR questions

Q1. About ur self some technical problem
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Basic multiple choice questions based on c# ,sql serve, pseudo code all are basics

Q1. Oops concepts,SQL query based on joins,sub query ,basic javascript
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