Airtel Payments Bank Senior Data Engineer Interview Questions and Answers

Q1. Self introduction
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Q2. Details about previous job role
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Q3. Can you handle manpower
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Q4. How much manpower you can handle
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Q5. Are you having the knowledge inSAP
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Duration: 1Hour 30 Minutes, 2 Coding Questions of Total 175 Marks. 1st Question has 75 marks and 2nd Question has 100 marks.

Q1. 1. Find the smallestMissingNumber in given array using Bitwise OR operation alone 2. Based on Array data Manipulation.
Ans. 
Using Bitwise OR operation to find the smallest missing number in an array.
• Iterate through the array and perform Bitwise OR operation with each element to set corresponding bit in a bitmask

• Iterate through the bitmask to find the first unset bit, which represents the smallest missing number

• Example: Array [0, 1, 3, 4, 6] would have a bitmask of 10101, smallest missing number is 2
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Q2. Q2: Customized Data Extraction From Given Dynamic Array & Perform Some Math Operations On the Extracted Data
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Q1. Write a Pseudo code for given scenario?
Ans. 
Pseudo code for a scenario
• Define variables and data structures needed

• Write the main logic using conditional statements and loops

• Handle edge cases and error conditions

• Test the pseudo code with sample inputs
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Q1. System Design & Design Pattern based questions
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Q1. Not Applicable (Yet to be scheduled)
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Q1. Design and code a zoo management system.
Ans. 
A zoo management system to track animals, enclosures, staff, and visitor information.
• Create classes for animals, enclosures, staff, and visitors

• Implement functions for adding, updating, and deleting records

• Include features for scheduling feeding times, cleaning enclosures, and managing staff shifts
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Standard DSA questions

Q1. Standard HR stuff.
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Q1. C programming and its basic question like memory segments, compilation stages, structure and semaphore. Single linked list implementation.
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Q1. There were two managers in this interview. Asked about my roles and responsibilities in current project and gave some scenario in C programming to solve. Questions on embedded systems like process, thread...read more
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Q1. Salary discussion
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Tableau intensive assignment with few questions on SQL and basic Python

Q1. Discussion on submitted assignment and current job role
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Q2. What kind of analysis have you done in your current role?
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Q1. Basic discussion on why I am switching from my current company and salary discussion
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Q1. Array Reduce polyfill
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Q1. Vlookup, Advance Excel concepts
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Q1. Tell me about yourself.
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