ConveGenius Data Engineer Interview Questions and Answers

Q1. Basic interview questions with project related questions
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Q1. Detailed Questions on projects
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Q1. Normal HR interview questions with casual talks
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Q1. About previous experience and some basic questions.
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Q1. About basic to advance level of Excel, power bi
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Easy Lettcode questions multiple

Q1. Lld round with java
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Q1. Create APIs for a Quiz platform
Ans. 
Create APIs for a Quiz platform
• Design RESTful APIs for creating, updating, deleting, and retrieving quizzes

• Include endpoints for managing quiz questions, answers, and user responses

• Implement authentication and authorization mechanisms for secure access

• Utilize JSON format for data exchange between client and server
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Design and code a parking lot application

Q1. Past work and digging around that. few changes in past work and how to implement them.
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Q1. How to ensure that there is no data corruption when data is being streamed and processed asynchronously
Ans. 
To ensure no data corruption during asynchronous streaming and processing, use data validation, error handling, and checksums.
• Implement data validation techniques to check the integrity of the streamed data.

• Handle errors and exceptions properly to prevent data corruption.

• Use checksums or hash functions to verify the integrity of the data.

• Implement reliable communication protocols like TCP/IP to ensure data integrity.

• Co...read more
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Longest substring without repetition

Q1. About Binary search
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Q1. About project and ER diagram
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Q1. Machine coding round design drivezy app. It should be demoable.
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Q1. Add 2 linked list and return final linked list
Ans. 
Add 2 linked lists and return final linked list
• Create a new linked list to store the sum

• Traverse both linked lists simultaneously and add the corresponding nodes

• Handle carry over while adding nodes

• If one linked list is longer than the other, add the remaining nodes to the sum list
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Q2. Find a Element in rotated sorted array
Ans. 
Finding an element 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 element is in.

• Perform binary search on that half of the array to find the target element.

• Handle edge cases such as when the target element is at the pivot point.
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Q1. Matrix chain multiplication
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Q2. Find word in matrix.
Ans. 
Given a matrix of characters and a word, find if the word exists in the matrix.
• Traverse the matrix and check if the first letter of the word matches any cell.

• If it does, check if the adjacent cells match the next letter of the word.

• Repeat until the entire word is found or no match is found.
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Q1. Stock buy sell problem to maximize profit.
Ans. 
Algorithm to maximize profit by buying and selling stocks.
• Iterate through the array of stock prices

• Keep track of the minimum price seen so far

• Calculate the profit if sold at current price

• Update maximum profit seen so far

• Return maximum profit
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