Tazapay Senior DBA and Data Engineer Interview Questions and Answers

DS, Algo, DP, Greedy, Stack, Heap

Q1. System Design a DropBox
Ans. 
Design a scalable cloud storage system similar to DropBox.
• Use distributed file system for storing files across multiple servers.

• Implement data deduplication to save storage space.

• Use client-side encryption for security.

• Implement file synchronization across devices.

• Utilize load balancing to distribute user requests.

• Implement version control for files.

• Use metadata for efficient file organization.
Answered by AI
Add your answer
Q2. Design a Linked List
Ans. 
A linked list is a linear data structure where each element is a separate object with a reference to the next element.
• Start with a Node class that has data and a reference to the next node

• Create a LinkedList class that manages the nodes and provides methods like insert, delete, and search

• Example: Node class - data, next; LinkedList class - head, insert(data), delete(data), search(data)
Answered by AI
Add your answer

Q1. About yourself. Projects worked upon
Add your answer
Q2. Why want to join Ocrolus?
Add your answer

Q1. Tell me something about your self
Add your answer
Q2. Why should i hire u
Add your answer

Q1. Minimum 30 word per min typing speed with 95+ accuracy
Add your answer
Q2. How did i spent your yesterday
Add your answer

Q1. Normal questions by operation manager
Add your answer

There was an online aptitude test duration of 30 mins and topics covered (maths,stats,tech)

Hacathon test with java and python

Q1. Discussion about projects
Add your answer
Q2. Discussion about code skills
Add your answer

Q1. What is your job role
Ans. 
I am responsible for assisting in various tasks and projects within the company.
• Supporting team members in daily operations

• Completing assigned tasks in a timely manner

• Assisting in research and analysis

• Participating in meetings and discussions
Answered by AI
Add your answer
Q2. What is the ctc
Ans. 
CTC stands for Cost to Company, which includes all expenses related to an employee's compensation.
• CTC includes salary, bonuses, benefits, and any other perks provided by the company

• It is the total amount of money a company spends on an employee in a year

• CTC is often used to negotiate job offers and understand the full value of a compensation package
Answered by AI
Add your answer

Basic python, sql and pandas questions

Q1. Case study (Probability questions)
Add your answer
Q2. Resume projects
Add your answer

Test was based on arrays and some dsa concepts.

Q1. SQL questions and logical reasoning questions
Add your answer

Q1. Give a brief Introduction
Add your answer