Aurigo Senior Software Engineer Interview Questions and Answers

Q1. Mimic Dataframe Merge
Ans. 
Implement a function to mimic the functionality of merging two DataFrames in Python.
• Create a function that takes two DataFrames as input.

• Merge the two DataFrames based on a common column or index.

• Handle different types of joins like inner, outer, left, and right joins.

• Return the merged DataFrame as output.
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Q2. Improve above case by case
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1 hour - Find longest palindromic substring

Array and Java related questions

Hacker rank test. Basic coding questions on arrays, list etc.

Q1. Interactive session. Theoritical questions on oops, multithreading, springboot, java8 and few coding questions.
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Q1. Design round. Questions on system design and best practices to be followed while developing any service. Few managerial questions as well.
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Q1. Profile related questions and salary discussion.
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2 Leetcode medium - LRU Cache and sliding window question

Q1. Design Whatsapp
Ans. 
Design a messaging app like Whatsapp
• Implement end-to-end encryption for secure messaging

• Allow users to send text messages, images, videos, and documents

• Include features like group chats, voice and video calls, status updates

• Provide option for users to share their location

• Develop a user-friendly interface with customizable settings
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Q1. Basics .net , c#, sql
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Q1. Current Project Details, Roles and some technical questions too
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Q1. Package Discussion and Other basic details
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Discussion about OOPS concepts and String related program

Program on Recursion and Array

Q1. Strength and Weakness
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Q2. Reason for joining with company
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Good technical round, you can manage, mainly Java questions used to come

Q1. HR round is also good package discussion will happen
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Q2. Company personal so kept secret
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Coding test and technical skills evaluation with an interviewer

Q1. Cultural Fitment
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Q1. Design round HLD and LLD
Ans. 
High Level Design (HLD) and Low Level Design (LLD) for a software system
• Identify the major components and their interactions in HLD

• Define the modules, classes, and functions in LLD

• Consider scalability, performance, and security in both designs

• Use UML diagrams to visualize the design

• Document the design decisions and rationale
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Q1. Managerial Discussion round with the hiring manager
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Q1. Managerial round with another team’s hiring manager
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Q1. HR discussion on location and joining date
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